Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration and tracheal tubes (A61M16)
A61M16 Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; tracheal tubes (stimulating the respiratory movement by mechanical, pneumatic or electrical means, iron lungs combined with gas breathing means a61h0031000000)(778)
FIELD: medicine.SUBSTANCE: after patient admission to the operating room dexmedetomidine administration starts at a dose of 0.6-0.8 mcg/kg/h. Then epidural space catheterization is perform lying on the side. Analgesic mixture administration starts at a rate of 5 ml/hour and continued throughout the operation. During denitrogenation, intravenous dexmedetomidine sedation is performed at an dose of 0.6-0.8 mcg/kg/hr, after repeated denitrogenation and transition to closed circuit, oxygen supply is stopped. The breathing bag is completely emptied, then Xe is fed rapidly, once filling the breathing bag, ventilation by pure Xe flow of 150-300 ml per minute is begun under the control of FiO2 to reduce the oxygen concentration in the breathing circuit to 40% and Xe concentration to 60%, and then oxygen is supplied at a dose of 4 ml/kg, maintaining the balance in the ratio of Xe:O2 60:40. Xe flow is reduced to 0-100 ml/min intravenous administering of dexmedetomidine is continued throughout the operation at a dose of 0.3-0.6 mcg/kg/hr. Prior to surgical wound suturing Xe supply is stopped. After surgery, anesthesia machine is converted to a semi-open circuit, oxygen flow is increased to 5 l/min, sodium sugammadex is introduced at the rate of used bromide rocuronium. The patient extubated, in the early postoperative period analgesic mixture administration is continued at a rate of 5 ml/hr and intravenous dexmedetomidine administration is continued at a dose of 0.3-0.6 mcg/kg/h under the control of sedation level and hemodynamics.EFFECT: method allows to obtain an efficient multimodal anesthetic protection, reduce xenon and narcotic analgesics consumption during extended and highly-traumatic cancer surgery.2 ex
FIELD: medicine.SUBSTANCE: device comprises a rigid tube, substantially J-shaped, having a longitudinal hole along its entire length, a flexible tube also J-shaped, intended to be placed into the longitudinal opening of the rigid tube and detachable. The flexible tube has an inflatable or gel laryngeal ring at its distal end. The rigid tube has a rigid projection in the form of tab at its distal end. The Flexible tube has a flexible sheath at its distal end intended to receive rigid protrusion in the form of the rigid tube tab. The rigid protrusion is located in the interior of the flexible sheath when the rigid tube and flexible tube are connected.EFFECT: increased stability of mask position and airway passage blocking exception.21 cl, 16 dwg
FIELD: medicine.SUBSTANCE: CPAP therapy is conducted using a nasal or mouth-nose mask. In case of single-level CPAP therapy using the RESMART CPAP apparatus without automated upper inspiratory limit, the therapeutic exhalation pressure (EPAP) comfortable for the patient is selected. When the RESMART CPAP Auto apparatus with automated upper inspiratory limit is used, the exhalation pressure is set to 5-8 centimeters H2O, the maximum pressure is 20 centimeters H2O. In case of a two-level CPAP therapy, if the RESMART BPAP 25 Auto apparatus has the automated upper inspiratory limit, the exhalation pressure is set to 5-10 centimeters H2O, pressure support is 12-17 centimeters H2O, the maximum pressure is 25 centimeters H2O. The humidifier operating temperature is 37°C. CPAP therapy is performed outside bronchial asthma exacerbation in the morning and evening for 30-60 minutes. At an exacerbation - prior to bronchospasm arresting from 5 to 16 times a day.EFFECT: method allows to effectively treat bronchial asthma by reducing pressure accumulated inside the alveolus with the use of optimal regimens of CPAP therapy.2 cl, 1 tbl, 4 ex
FIELD: medicine.SUBSTANCE: breathing system containing a patient interface and a CPAP pneumoelement, in accordance with which, a damp air-oxygen breathing mixture is made up and supplied to the breathing system. The desired value of the breathing mixture constant overpressure at the respiratory circuit output is specified, the actual pressure of the breathing mixtures on the output of this circuit is measured, the measured and the specified pressure values are compared, the value of misalignment is determined, then breathing mixture flow control signals are formed continuously and output to control the flow until the said misalignment is eliminated. At that, the control signals frequency is significantly higher than the frequency of patient's respiratory cycles. At that, it is supplemented with the following new operations: for a specific interacting breathing system, this system is automatically tested and during the testing process, values of the two correction factors are calculated and stored: the first factor characterizing the time constant of the CPAP pneumoelement and the second factor characterizing the air resistance of the breathing system. Then, taking into account the calculated values of the correction factors, the required value of the constant excess pressure at the breathing system output is clarified and stored, proceeding from the requirement that during the entire respiratory cycle, including during inspiration, it should not fall below atmospheric pressure, then the flow rate of the breathing mixture is controlled, such that the value of the excess pressure at breathing system output is maintained substantially constant and equal in magnitude to the refined predetermined value during the entire respiratory cycle. The device for method implementation includes a breathing mixture flow control module comprising the first controllable valve, a control unit, an information input and display module, a pressure pneumatic duct with a breathing mixture humidifier of the, and the first and second pressure sensors, the output of each of which is connected to a corresponding input of the control unit. Moreover, the breathing mixture flow control module is equipped with a pneumatic channel for air supply, a pneumatic channel for oxygen supply and a pneumatic output connected to the delivery pneumatic channel input, the output of which is intended for connection to the breathing system. At that, the first pressure sensor is provided with a pneumatic port for connection to the breathing system output, and the control unit output is connected to the control input of the first controllable valve, and the information input and display unit and the control unit are interconnected by a bidirectional communication line. In addition, a pressure stabilization module including a stabilization circuit and a preset pressure memory cell connected to this circuit and a correction factor unit comprising the first and second calculators connected to the stabilization circuit by information lines are added to the control unit. The pneumatic port of the second pressure sensor is connected to the discharge pneumatic channel output, and the electrical output of this sensor is connected to the corresponding input of the control unit.EFFECT: method and device allow to use any kind of breathing systems with various CPAP pneumoelements and patient interface devices for the IVL procedure.4 cl, 1 dwg
FIELD: medicine.SUBSTANCE: respiratory therapy system contains a pressure generator, sensors for generation of output signals transmitting information related to one or more gas parameters for a pressurized gas stream; and processors for computer program modules execution. Computer program modules contain a trigger module; a muscle strain module determine the subject's muscular tension based on the output signals; an error detection module, a sensitivity module for trigger parameters adjustment, and a control module. The control module controls the pressure generator to adjust the gas parameters for the pressurized breathing gas flow as a function of time in accordance with the respiratory therapy regimen. The respiratory therapy regimen determines the adjustment of gas parameters based on the detected trigger events.EFFECT: provision of a respiratory therapy regimen adjusted in accordance with the detected trigger events.5 cl, 4 dwg
FIELD: medicine.SUBSTANCE: hypoxic and hyperoxic mixtures for medical procedures are produced by air compression, its subsequent filtering, moisture separation and division by passing through a separator, made of a hollow fiber polymer membrane. Next, for therapeutic procedures, hypoxic and hypercapnic hyperoxic mixtures are alternately supplied to the consumer's respiratory mask, providing intake of the mixture coming from the separator and release of the patient's exhaled air. The atmospheric air is compressed after mixing with the exhaled air coming from the respiratory mask. The device for method implementation comprises serially installed compressor, air preparation system made as a heat exchanger with a condensate collector, gas separating membrane module configured as a set of groups of single membrane elements placed in a casing provided with air inlet fittings, hypercapnic- and hyperoxic mixtures outlet fittings; humidifier, receivers, patient connection unit comprising a respiratory mask with inlet and outlet valves and patient condition monitoring means including an oxygen analyzer and a pulse oximeter; hypoxic and hypercapnic-hyperoxic mixture supply system, provided with automatically switching valves providing hypoxic and hypercapnic hyperoxic mixture supply to the patient and exhaled air removal, as well as control system, is characterized by the outlet valve of the respiratory mask connected by a hose at theexhalation air mask outlet to the fittings for atmospheric air supply to the compressor which is equipped with a device for regulation of the incoming gas mixture flow. The air preparation system is equipped with a quick-detachable filter to absorb harmful impurities and microorganisms contained in the exhaled air, and the hollow fibers of the membrane module are made of a polymer highly selective to oxygen and carbon dioxide gas - polyimide.EFFECT: method allows to simultaneously obtain hypoxic and hyperoxic mixtures with increased carbon dioxide concentration in the latter without switching the flow direction of the incoming atmospheric air flow, reduce the loss of hypoxic and hyperoxic mixtures, as well as carbon dioxide during medical procedures.5 cl, 4 dwg
FIELD: medicine.SUBSTANCE: invention relates to medical equipment. The airway device comprises an airway tube with the first end and the second end, the first end of the airway tube is surrounded by a laryngeal cuff and the laryngeal cuff includes a rear dorsal portion, a front face portion and a tip portion, the front face portion of the laryngeal cuff has a shape suitable to form an anatomical fit over the laryngeal inlet of the patient - a person or an animal, and to form a seal with the laryngeal inlet of the patient, wherein the tip portion includes an annular sealing bead. The annular sealing bead is adapted to be secured by a wedge in the top part of the patient's (a person or an animal) esophagus. The annular sealing bead is provided for improved sealing of the laryngeal cuff tipin the top part of the patient's (a person or an animal) esophagus. The annular sealing bead is preferably made of soft plastic polymer or other material.EFFECT: annular sealing bead allows better sealing with greater variability of the upper esophageal area anatomical characteristics.12 cl, 48 dwg
FIELD: medicine.SUBSTANCE: high-frequency mechanical ventilation is provided. At that, high-frequency ventilation is performed using oxygen in catheter ventilation mode at a frequency of 90-95 cycles per 1 min at gas flow rate of 5-7 l per 1 min. Additionally, via a micro pump nebulizer, embedded into the breathing system, Spiriva bronchial spasmolytic is injected into the independent lung during the main phase of surgical intervention at a dose of 18 g, dissolved in 4 ml of physiological solution, in two steps by 2 ml of the prepared solution for 15 min with 60 min intervals between introductions.EFFECT: method allows to increase the effectiveness of ventilation support in patients with lung cancer and COPD due to bronchospasm reduction and improvement of capillary-alveolar gas exchange.1 ex, 2 tbl, 1 dwg
FIELD: medicine.SUBSTANCE: device for lung function improvement comprises the first gas flow path for inhalation, a housing and a space for fluid formed in the housing. The second gas path communicates with the housing and is designed to transfer the exhaled gas to the space for fluid. Vapour space is configured to receive vapour formed in the space for fluid, and the first gas path communicates with the vapour space. The mouthpiece for airflow direction from the first gas path to the user during inhalation, and for reception of gas exhaled by the user. Means to transfer the exhaled gas flow from the mouthpiece to the housing along the second gas path provides resistance to the exhaled gas flow passing through the second gas path, and increases the pressure in the space for fluid and vapour. The relief valve prevents an excessive rise in pressure inside the device during exhalation. The air replacement valve supplies air during inhalation of to replace air in the vapour space. Means for gas flow transfer during inhalation from the vapour space to the mouthpiece along the first gas path comprises the first valve to prevent gas from entering through the first gas path into the vapour space during inhalation, and to provide air supply from the vapour space to the mouthpiece through the first gas path. Means for exhaled gas flow transfer comprises the second valve capable of blocking the air flow in the second gas path during inhalation and allowing the exhaled gas to flow through the second gas flow path into the space for fluid. A method for lung function improval by the device and device and method application for hampered exhalation and inhalation.EFFECT: combined hampered exhalation and vapour inhalation.17 cl, 8 dwg
FIELD: medicine.SUBSTANCE: high frequency oscillatory fan contains an oscillating piston control system comprising a self-centering oscillating piston configured to maintain a neutral position; mean airway pressure control system comprising a mean airway pressure controller and an exhalation valve and configured to control the exhalation valve, the oscillating piston control system and the mean airway pressure control system are closed loop control systems. The oscillating piston control system is independent on the said mean airway pressure control system. The oscillating pressure amplitude control system with feedback is adapted to facilitate control of oscillating pressure amplitude and is a closed loop control system, independent on the said oscillating piston control system and the said mean airway pressure control system. Each system is capable of independent parameter adjustment. A method for controlling a high-frequency oscillating fan is disclosed.EFFECT: simplified adjustment process and avoiding of automated change of related parameters.9 cl, 4 dwg
FIELD: medicine.SUBSTANCE: patient interface device includes an elastomeric contact portion configured to engage directly with the user's skin. The contact portion has an engineered surface comprising a plurality of predetermined non-random surface elements configured to reduce friction and improve comfort for the user. For one option, the pitch between each pair of immediately adjacent surface elements is less or equal to the predetermined maximum pitch, wherein the height of each surface element is less than or equal to the predetermined maximum height value.EFFECT: reduced mask friction on the user's skin.18 cl, 18 dwg, 1 tbl
FIELD: medicine.SUBSTANCE: group of inventions relates to medical equipment. Versions of device for respiratory therapy include at least one chamber, chamber inlet, designed to receive exhaled air in it, at least one chamber output formed for release of exhaled air from at least one chamber and exhalation circuit defined between chamber inlet and at least one chamber outlet. Limiting element is placed in exhalation circuit, wherein it moves between closed position, when exhaled air flow is limited along exhalation circuit, and open position, in which exhaled air flow is less limited along exhalation circuit. Blade in liquid connection with exhalation circuit is operatively connected with limiting element and is made with possibility of reciprocal displacement between first position and second position in response to exhaled air flow along exhalation circuit.EFFECT: group of inventions enables higher clinical effectiveness.48 cl, 74 dwg
FIELD: medical equipment.SUBSTANCE: group of inventions relates to medical equipment. Gas generator for therapeutic application comprises device for electrolysis for electrolysis of water and formation of gas mixture, which contains hydrogen and oxygen. Gas generator for therapeutic application also has system for gas mixing, connected to device for electrolysis, containing gas mixture. System for gas mixing is intended for mixing of gas mixture with water vapor, sprayed medicinal fluid, volatile ether oil or their combination in order to form therapeutic gas inhalation for user.EFFECT: group of inventions improves patient's relaxation in treating.14 cl, 3 dwg
FIELD: medicine, sport.SUBSTANCE: invention relates to medicine, namely to physiotherapy and sport physiology, and can be used to increase person's workability. Influence on compensatory-adaptive reactions of their organs and systems is performed. For this purpose 30 minutes before beginning physical exercise neuropeptide for intranasal impact is introduced. After that, breathing with hyperoxic oxygen-helium mixture, containing 30-70% of oxygen is performed one time. Simultaneously 15-minute impact with pulse rectangle-shaped electric current on frontomastoid zone of head is performed. Pulse duration constitutes 0.2-0.3 ms, electric current is 1-2 mA, and pulse repetition rate is 1200-1500 Hz.EFFECT: method provides expressed and fast improvement of organism/s functional state, mental and physical workability due to the total effect of the provided impact.3 tbl
FIELD: medicine.SUBSTANCE: invention refers to medicine, namely cardiology. First, the patient is connected to the one-level CPAP therapy device. Nasal mask or oral-nasal mask is attached and expiratory pressure level is selected to the maximum possible comfortable positive end expiratory pressure (PEEP). In case if no saturation level increase relative to the initial pressure is seen in 5-10 minutes, or expiratory pressure exceeds 10-12 mm water column, or ventilation is uncomfortable for the patient, the two-level CPAP therapy device is connected. The device is adjusted by raising the level of PEEP to the maximum possible comfort pressure while raising the pressure on inspiration Inspiratory Positive All Pressure (IPAP) and controlling the rise in oxygen saturation level in capillary blood, and raising the level of saturation by 92-98% treatment is carried out based on the patient's state of health.EFFECT: invention allows to improve treatment efficiency by reducing the pressure in pulmonary arteries, which improves tolerance to physical activity due to the opening of redundant alveoli in the lungs and increase of their perfusion.1 tbl, 2 ex
FIELD: medicine.SUBSTANCE: invention refers to medicine, particularly to cardiology, therapy. During sleep, brief nasal non-invasive auxiliary respiratory support with constant positive air pressure (nCPAP) is provided for at least 4 hours every night. Before and at the background of nCPAP, HRV is run to define very lo frequency (VLF) and low frequency (LF) variability of heart rate. Excessive sympathetic influence on heart is considered reduced upon decrease of VLF and LF by 4 times or more.EFFECT: fast correction of vegetative imbalance for men with combined arterial hypertension and obstructive apnea-hypopnea syndrome by elimination of excessive sympathetic influence on heart and increased saturation of arterial blood haemoglobin with oxygen.4 tbl, 1 ex
FIELD: medicine.SUBSTANCE: invention relates to medical equipment. Device for pressure relief for respiratory support system comprises casing with outlet hole arranged in valve casing and sound damper. Valve has undeformed and elastically-deformable states. In undeformed state valve blocks outlet hole and air flow passes through casing. In elastically deformed state valve in response to specified pressure air flow passes through outlet hole and casing. Valve creates sound, when valve is elastically deformed and when it passes from undeformed to deformed state. Sound damper comprises centering element for centering of sound damper in pressure relief device. Sound damper is in contact with valve when valve is elastically deformed to neutralize sound created by valve. Auxiliary respiration system comprises gas source, patient's interface configured to direct gas flow from gas source to patient, and device for pressure relief. Artificial pulmonary ventilation system by constant positive airway pressure (APCPA) with variable flow comprises drive to create flow made with possibility to direct gas flow to patient's interface, patient’s interface containing APCPA generator configured to direct gas flow from drive to patient, and device for pressure relief made with possibility to provide pressure in APCPA with variable flow not exceeding specified pressure.EFFECT: reduced noise created by deformable valve, and reduction of standard deviation of valve operation pressure are achieved.23 cl, 4 dwg
FIELD: medicine.SUBSTANCE: series of inventions relates to medicine. Compressed breathing gas flow is created for delivery into individual's airway at insufflation pressure level before the time of transition. Transition time is identified based on one or more parameters of insufflation. In response to identification of transition time breathing gas flow pressure is reduced from insufflation pressure to exsufflation pressure. Value of flow during exhalation by patient is determined, where flow rate indicates flow from patient’s lungs during exsufflation. Desired level indicator of flow rate is obtained. Determined value of flow rate is compared with desired level indicator of flow rate, which corresponds to desired speed of gas flow from patient’s lungs. One or more exsufflation pressures are controlled, one or more parameters of insufflation or one or more parameters of insufflation/exsufflation transition are also controlled, based on comparison of determined value of flow rate with desired level of flow rate. Wherein value of adjustment is determined on basis of difference between determined value of flow rate and desired level of flow rate. Wherein value of pressure adjustment of exsufflation increases with increase of said difference and decreases at reduction of said difference. They implement adjusted exsufflation pressure, one or more adjusted insufflation parameters and/or one or more adjusted parameters of insufflation/exsufflation transition during subsequent breathing. Method is implemented by means of system.EFFECT: group of inventions enables to optimize insufflation and exsufflation in specific patient.15 cl, 5 dwg
FIELD: medicine.SUBSTANCE: group of inventions relates to medical equipment. Device comprises a patient sealing assembly including a cushion and a frame member, and an adjustable forehead support assembly provided at the distal end of the frame member. Assembly includes an adjustment mechanism coupled to a forehead cushion. Adjustment mechanism includes a housing, a forehead cushion support member having a base portion and an elongated post member. In the locked condition, the locking member engages the elongated post member and prevents the elongated post member from moving relative to the housing, and in the unlocked condition the locking member does not engage the elongated post member such that the elongated post member and the housing are freely linearly movable with respect to one another. Structural version of the patient interface device for transporting a gas mixture is disclosed.EFFECT: inventions provide the mask component of the device in a tight enough seal against the patient's face without discomfort.11 cl, 33 dwg
FIELD: medicine.SUBSTANCE: invention relates to medical devices. Intermittent flow of oxygen containing gas is provided in a method of forming oxygen containing gas flow, with the first pulse and the second pulse of oxygen containing gas, wherein between the first pulse and the second pulse of oxygen containing gas at least one gap is provided. First pulse of inert gas is provided during the first part of the gap, which follows directly downstream of the first pulse of oxygen containing gas. Pulse of gas containing nitrogen oxide is provided, during the second part of a gap, which follows immediately downstream of the first part. Second pulse of inert gas is provided during the third part of the gap, which follows immediately downstream of the second part, and the second pulse of oxygen containing gas is provided immediately downstream of the third part so, that the first pulse of oxygen containing gas, the first pulse of inert gas, pulse of gas containing nitrogen oxide, second pulse of inert gas and the second pulse of oxygen containing gas are provided for formation of gas flow. Device for supply of gas flow is disclosed.EFFECT: invention allows to minimize formation of toxic nitrogen dioxide.10 cl, 5 dwg
FIELD: medicine.SUBSTANCE: group of inventions relates to medical equipment. Nasal continuous positive airway pressure device includes an inlet, configured for receiving a single gas jet flow and connected with a high-pressure chamber and a flow splitter configured for proportionally splitting said gas jet flow into two channels for the both nares. Flow divider is used for proportional separation of gas jet flow along curved edge transition to the first channel and the second channel. Each channel is connected to the first and the second port, respectively. Flow direction divider is further configured to supply separated single gas jet flow for each of both nares in compliance with one or more anatomy of nares and/or resistance to flow path of at least one of two nares. Flow direction divider is communicated by the fluid medium with inlet by means of the nozzle. Outlet port is communicated with the first channel and the second channel and is configured to collect excess flow intended for inhalation, and to deflect, if necessary, flow of exhalation. Separated single gas jet flow is controlled in accordance with resistance to flow path, at least into one of two nares. Method for separation of gas jet flow is disclosed.EFFECT: inventions solve a problem of improving ease of use at maintenance of continuous positive airway pressure of infants.17 cl, 3 dwg
FIELD: medical equipment.SUBSTANCE: invention relates to medical devices. Method of decreasing condensation of humidifying agent in humidifying system comprises steps which provide humidifying system containing respiratory apparatus to supply a volume of gas to patient, and humidification section to feed a humidifying agent in the volume of gas . In pulse mode in the range of pulse is supplied in volume of gas humidifying agent through humidifying section. Pulse interval starts immediately after patient's exhalation or during patient's inhalation. Volume of gas is heated closer to the discharge line of respiratory apparatus in downflow direction. In the interval of pulse absence condensed humidifying agent staying in discharge line is evaporated to reduce condensation humidifying agent present in humidifying system, interval of pulse absence starts immediately after patient's inhalation or during patient's exhalation. Evaporation stage includes passage of heated gas volume through the discharge line.EFFECT: invention simplifies the process of reducing condensation.14 cl, 4 dwg
FIELD: medicine.SUBSTANCE: invention refers to medicine, namely to endocrine surgery, and can be applied in intraoperative diagnosis of recurrent laryngeal nerves. Laryngeal mask is used as anaesthetic mean. During subfascial extraction of thyroid gland by blunt and sharp ways, simultaneous stimulation of anatomical formation, assumed as recurrent laryngeal nerve, and identification of vocal folds mobility, are conducted. Stimulation of anatomical formation is performed by application of galvanic forceps. Identification of vocal folds mobility is conducted by graphic recording on display of artificial pulmonary ventilation apparatus in mode of value controlled venting of peak inspiratory pressure to Pawinit and at the moment of Paw irritation of anatomical formation assumed as recurrent laryngeal nerve. At higher Paw unlike Pawinit more than 2 cm of water column, mobility of vocal folds is diagnosed that testifies the above anatomical formation as return laryngeal nerve.EFFECT: method simplifies intraoperative topical diagnosis of recurrent laryngeal nerves, reducing rate of treatment-induced injuries of recurrent laryngeal nerves and complications of anesthesia care, owing to use of laryngeal mask, galvanic forceps, and evaluation of difference of peak inspiratory pressure before and after irritation of anatomical formation assumed as recurrent laryngeal nerve.1 cl, 1 ex
FIELD: medical equipment.SUBSTANCE: group of inventions relates to medical equipment. Method for forming high-speed NO-containing gas flow for action on biological object comprises forming high-speed air flow by creating certain excess air pressure in a high-pressure chamber and its flowing through the nozzle which forms the flow. High-speed air flow and NO-containing gas flow is mixed in a mixing chamber, through which the high-speed air flow passes and NO-containing gas flow is supplied with monitoring of its supply. Device for forming high-speed NO-containing gas flow for action on biological object comprises a pressure sensor which is connected in series to the input of the mixing chamber and output of the device for forming high-speed NO-containing gas flow.EFFECT: technical result is forming mixed air and NO flow with monitoring the supply of the second component.2 cl, 1 dwg
FIELD: medicine.SUBSTANCE: group of inventions includes three versions of respiratory simulators, refers to medical equipment, to drug-free means of obtaining general therapeutic exposure and increase of human physical capacities through the respiratory system, in particular to devices for respiratory hypoxic-hypercapnic mixtures of different compositions with variable resistance inhalation/exhalation. According to first version, respiratory trainer comprises first chamber connected with connection of training device to user's airways, second chamber communicated with first chamber, third chamber communicated with second chamber, respired gas composition control means, control means of inhalation/exhalation resistance, installed in communication channel of first chamber to second chamber. Second chamber is communicated with atmosphere, third chamber is made elastic, respired gas composition control means are made as adjustable throttle device installed in communication channel of second chamber with third chamber, and adjustable throttle device installed in communication channel of second chamber with atmosphere. Control means of inhalation/exhalation resistance are made with possibility of separate and independent control of inhalation resistance and exhalation resistance.EFFECT: respiratory trainer adjustment (changing) composition of hypoxic-hypercapnic respiratory mixture in wide range using simple equipment, using special breathing mixtures, as well as separate and independent control of resistance (obstacle) to inhalation and exhalation, which broadens possibility of selecting modes of use of training device and possibility of its health-improving impact on organism.32 cl, 43 dwg
FIELD: medical equipment.SUBSTANCE: group of inventions relates to medical equipment. Valve for controlling pressure in a ventilation system comprises an electromagnet, including coil and magnet; rod connected with electromagnet; diaphragm, connected with rod, and a controller to receive electric signal from pressure sensor, configured to feed input signal to valve based on electric signal, wherein electromagnet is configured to apply force to diaphragm via rod based on input signal. Controller is configured to change direction of current in coil to lift diaphragm of valve to provide for air release into environment via hole in connection with patient's circuit if pressure in patient's circuit exceeds threshold of positive pressure and lifting diaphragm of valve to feed air from outside through hole in connection when pressure falls in circuit of patient below threshold of negative pressure. Disclosed is a pulmonary ventilation system using valve.EFFECT: invention enables to change threshold pressure during ventilation.10 cl, 3 dwg
FIELD: medical equipment.SUBSTANCE: group of inventions relates to medical equipment. System for gas delivery of under pressure into anatomical airways comprises a pressure generator, sensors made to generate output signals carrying information related to respiratory force of subject, processors configured to execute computer program modules. Respiratory volume determination module determines target average respiratory volume. Control module is configured to control pressure generator so that average respiratory volume is maintained during respiration for the individual. Inspiratory pressure module is configured to determine pressure level after inhalation, which will maintain target average respiratory volume. Module for determining frequency is configured to dynamically determining current respiratory rate subject. Expiratory pressure module is configured to determine the expiratory pressure level, which will maintain target average respiratory volume. Control module is configured to control pressure generator so that breath is adjusted to maintain it for therapeutic breathing frequency. Invention discloses a method for determining levels of pressure gas flow and version of the system for delivery of gas flow.EFFECT: inventions allow to treat hypoventilation syndrome in obesity.15 cl, 4 dwg
FIELD: medicine.SUBSTANCE: invention refers to medicine, namely to anaesthesiology and resuscitation, and can be used for general controlled hyperthermia of human organism. This is ensured by planned infusion preparation. Before immersing the patient in hot water 1 mg/ml of Dalargin is administered intravenously. Then patient's body is totally heated up by immersion, except the head, in hot water with temperature of 42-47 °C at the rate of body heating equal to 0.5-1.5 °C for 5 minutes with saturation within normal limits up to temperature increase in esophagus till 42.5-44 °C. Temperature is measured in the middle one-third part of oesophagus. Additionally temperature is measured on the eardrum. Besides, anaesthesiology protection is provided by introducing relaxing agents, anesthetics and hypnotic drugs. Hyperthermia is carried out with monitoring of pulse frequency, heart, blood pressure values, saturation. BIS-monitoring is carried out. According to BIS-monitoring with simultaneous reduction of heating rate a biological critical point is determined. During hyperthermia Dalargin is introduced in the above dose at each degree starting from 40 °C being measured in esophagus, as well as at biological critical point. For 5-20 minutes effective warming is maintained not extending beyond the biological critical point. Pathogenetically substantiated drugs are administered depending on the available pathology. Then the patient is removed from the bath and normal temperature is restored.EFFECT: method provides higher clinical effectiveness due to selection of reliable criteria reaching maximum heating, establishing exposure time and peak hyperthermia, as well as a result of administration of drug preventing possible development of thermal shock.1 cl, 1 ex
SUBSTANCE: humidifying system for humidifying gas delivered to a patient comprises a source of liquid and a humidifying unit, located in patient's circuit, which provides gas to patient. Humidification unit comprises: a liquid chamber that receives liquid from liquid source wherein liquid chamber includes a concave shaped bottom portion, a nebuliser that nebulises liquid from liquid chamber, wherein nebuliser is located at bottom portion ofliquid chamber so that liquid introduced into liquid chamber is funneled towards nebuliser; an aerosol chamber that receives aerosolised particles from nebuliser; a heat source located in aerosol chamber that converts aerosolised particles into a vapour that humidifies gas in patient circuit, and a hydrophobic membrane that separates aerosol chamber from patient circuit, and wherein hydrophobic membrane prevents liquid from entering the patient circuit from aerosol chamber but permits vapour to enter patient circuit from aerosol chamber. Nebuliser comprises an aperture plate with holes, aperture plate being coupled to a vibrational element, wherein vibration of vibrational element causes aperture plate to vibrate, which causes liquid to move through aperture plate holes for nebulising fluid into aerosolised particles. Method includes steps of operating said system.
EFFECT: using given group of inventions will allow to reduce power consumption, elimination of condensation or water in tubes humidifier or circuits of patient.
6 cl, 4 dwg
FIELD: medical equipment.
SUBSTANCE: group of inventions relates to medical equipment. Respiratory valve device comprises a catheter balloon, configured for being disposed in a respiratory gas pathway and valving said respiratory gas pathway so that said catheter balloon occludes said respiratory gas pathway when inflated allows air flow through said respiratory gas pathway when deflated. Connector comprises nozzle. Catheter balloon is disposed around said connector and said nozzle, and is sealed by fluid relative to said connector with help of a bushing. Base is configured to be arranged above said catheter balloon inside said respiratory gas pathway. Connector protrudes from said base. Pumping of said catheter balloon is performed by air flow, fed via said gas connection, said connector base, said connector and leaving nozzle. Connector base has an aerodynamic shape so that when air flow passes through said respiratory gas pathway in said direction from bushing towards said base and through it, said connector base provides low resistance to said air flow. Disclosed is a respiratory system including a valve, and a method valving a respiratory system.
EFFECT: technical result is providing valving by means of a catheter balloon.
11 cl, 4 dwg
FIELD: medical equipment.
SUBSTANCE: invention refers to medical equipment, specifically to oxygen respiratory apparatus for treating divers in hyperbaric chambers under high pressure (oxygen barotherapy) in underwater units and can be used in treating individuals poisoned by carbon monoxide. Respiratory apparatus for oxygen barotherapy in pressure hyperbaric chamber comprises an breathing bag for inhalation, breathing bag for exhalation with a safety valve, valve box with an adapter under a full mask, corrugated tubes for inhalation and exhalation, absorption cartridge with carbon dioxide absorbent, two cylinders with oxygen, a reducer and pipeline.
EFFECT: respiratory apparatus additionally has a cartridge with low-temperature catalyst, connected by corrugated tubes with absorption cartridge and respiratory bag for inhalation, wherein respiratory bag for inhalation is connected by a pipeline in series with a breathing valve, reduction gear and two cylinders with oxygen, and absorbing cartridge filled regenerative substance.
1 cl, 1 dwg
SUBSTANCE: group of inventions is used in systems for artificial pulmonary ventilation. Compressor unit comprises the first compressor head, creating the first gas flow; the second compressor head being in fluid communication with the first compressor head to create the second gas flow. Output connector is in fluid communication with the first and second compressor heads and provides alternate output on a permanent basis of the first gas flow and the second gas flow generated by the first compressor head or the second compressor head, respectively. Shuttle bypass component is in fluid communication with the first and second compressor heads and provides alternating flow of gas between the first compressor head and the second compressor head so that a part of the first gas flow is directed from the first compressor head to the second compressor head, and a part of the second gas flow is directed from the second compressor head to the first compressor head alternately. Invention discloses a method of using a compressor plant and a method of manufacturing of the compressor plant.
EFFECT: stable gas flow at higher and lower gas flow rates.
19 cl, 7 tbl, 11 dwg
SUBSTANCE: invention relates to experimental medicine and can be used for improvement of functional control systems, responsible for cognitive functions of human brain. Method comprises exposing subject to barochamber action. Subject is exposed to hypoxic action at air pressure equivalent to an altitude of 5,000 m above sea level, with a duration of 2 hours with interval of 24 hours in 3 days. Pressure reduction from normal to limit, corresponding to "ascent", and an increase in pressure in opposite direction - "descent" - is carried out stepwise and/or continuously. "Ascent" and "descent" is carried out at a rate of no more than 4 m/s, in turn, "ascent" is accompanied by one-, two-, four- and six-minute stoppages at "altitude" of 1,000 m, 2,000 m, 3,000 m 4,000 m, respectively. Total ascent and descent time is approximately 60 minutes.
EFFECT: method allows improves safety and efficiency of procedure aimed at improving cognitive functions due to hypobaric hypoxia, equivalent to a rise in mountains with a moderately rarefied atmosphere and same ratio of concentrations of its components.
6 cl, 3 dwg, 1 ex
FIELD: medical equipment.SUBSTANCE: group of inventions relates to medical equipment. System comprises an artificial ventilation device adapted for signal detection, which is volumetric or related to pressure parameter. Processor in functional connection with artificial ventilation device is adapted for adjustment of volumetric or related to pressure parameters. User interface in functional connection with processor allows adjustment of volumetric or related to pressure parameters. Processor is configured to automatically adjust at least another one or more parameters of volumetric or related to pressure parameters based on detected signal. Processor is also configured for quick start mode. Quick start mode enables to automatically initiate pulmonary ventilation by means of single-step operation without preliminary action from a specialist. In quick start mode, processor defines respiratory volume continuously detects change of respiratory volume and controls flow rate in response to changes of respiratory volume. Disclosed is a method of using a pulmonary ventilation system.EFFECT: invention solves task of enabling control by non-specialist in different modes and providing smooth settings.20 cl, 8 dwg
FIELD: medical equipment.SUBSTANCE: group of inventions relates to medical equipment. System comprises pressure generator configured to generate forced breathing gas flow for delivery to subject's lungs and of selective control of content of oxygen inhaled by adjusting oxygen concentration in breathing gas flow; a user interface; one or more processors. Computer program modules comprise a module for determining oxygen content in blood, a module for determining fraction of oxygen, configured for dynamic determination of a therapeutically significant fraction of inhaled oxygen of subject according to mode of treatment, an interface module, configured to obtain restrictions on fraction of oxygen from user by means of user interface, and a control module configured to control pressure generator for adjustment of oxygen concentration in breathing gas flow for automatic and dynamic change of fraction of oxygen inhaled by subject. Disclosed is an alternative version of a system for monitoring fraction of expired oxygen in discharge flow of breathing gas.EFFECT: invention enables to adapt treatment to individual features of patient.10 cl, 4 dwg
FIELD: medical equipment.SUBSTANCE: group of inventions relates to medical equipment. Humidifier system comprises a humidifier unit, including chamber to receive water from a water source, a valve configured to control fluid between water source and chamber, a heat source arranged inside chamber, a flow sensor, a temperature sensor and a controller, operably connected with valve, heat source, flow sensor and temperature sensor. Controller comprises a processor configured to receive, from flow sensor, flow data relating to water being provided to chamber from water source, receive, from temperature sensor, temperature data relating to temperature of humidified gas within patient circuit, and control valve actuation for controlling flow of water into chamber by water source based on flow data and temperature data. Disclosed is an alternative version of system, characterised by implementing a humidifying agent.EFFECT: technical result consists in improvement of user comfort due to optimisation of humidity and temperature.10 cl, 8 dwg
FIELD: medicine.SUBSTANCE: in one case ventilation system includes: inhalation hole for connection with pipe inhalation dual-limb patient circuit and exhalation hole for connection dual-limb patient circuit; gas supply device, connected with a hole of inhalation for supply of compressed gas flow to hole of inhalation for creation of positive pressure; and an air blower, having an inlet coupled with a hole exhalation and configured to control for selective supply of negative pressure at level from 4 to 120 cm of water column to hole of exhalation, and outlet for gas outlet, received from hole of exhalation. In another case of artificial pulmonary ventilation system includes an air blower for creation of positive pressure/flow to augment flow with non-invasive ventilation.EFFECT: disclosed is a system for pulmonary ventilation, including integrated air blower.10 cl, 4 dwg
FIELD: medical equipment.SUBSTANCE: invention relates to medical devices. System for delivery of pressurized breathing gas flow in the individual's respiratory tract comprises pressure generator configured to generate pressurized breathing gas flow, interface circuit of individual having possibility of delivering breathing gas flow under pressure from pressure generator in individual's respiratory tract, and mechanism for pressure fluctuations, configured to generate stochastic fluctuations of pressure in pressurized breathing gas flow in individual's respiratory tract or nearby it. Mechanism for pressure fluctuations has processor which executes fluctuation module, as well as element selected from group consisting of valve for pressure fluctuations, component pressure generator, and valve for pressure fluctuations and component pressure generator. Fluctuation module is configured to control said selected element.EFFECT: technical result consists in creation of oscillations to support respiratory tract in open state in patient's respiration.4 cl, 8 dwg
FIELD: medicine.SUBSTANCE: secondary line purging system comprises a blower for pressurising a flow of gas, a secondary line communicating with blower and a subject circuit, a first pressure sensor for measuring a first pressure of flow of gas at or near blower, as well as a second pressure sensor for measuring second pressure of flow of gas inside a secondary line. Valve system is operable in a first mode of operation to isolate the blower from secondary line and a second mode of operation to permit communication between blower to secondary line to purge secondary line of obstructions with pressurised flow of gas.EFFECT: invention discloses a system and method of purging pressure line for an artificial pulmonary ventilation apparatus.15 cl, 3 dwg
FIELD: medicine.SUBSTANCE: nasal interface comprises a rigid base and soft lining segment with angled butterfly sections. The soft lining segment is connected to the rigid base segment, and in some configurations, may be removed from the rigid base segment. The soft lining segment comprises a corrugated portion arranged between the lower edge and the butterfly sections.EFFECT: group of inventions enables reducing snoring.22 cl, 9 dwg
FIELD: medicine.SUBSTANCE: invention relates to medicine, specifically to sports medicine. Method comprises performing at least one inhalation of a gas mixture of xenon and oxygen. Inhalation is carried out in complex medical and rehabilitation activities, correcting disorders of homeostasis, adaptation or fatigue from intense exercise. Inhalation is carried out based on individual parameters of xenon concentration in gas mixture as well as exposure time of gas mixture - for 0.75-5 minutes or by using a CO2 adsorber - for 0.75-25 minutes. In a closed breathing circuit, a gas mixture is fed in a volume of 2-6 litres in a concentration: xenon - 20-70 %, oxygen - 70-20 %. In particular, after inhalation, person is placed in a lying position for not less than 3 minutes. Before inhalation denitrogenation of human body is carried out, according to which a person for 20-60 seconds breathes pure oxygen or performs 3-4 deep inhale-exhale breathing cycles. During inhalation using CO2 adsorber, an additional amount of oxygen is fed into closed breathing circuit via an additional gas supply channel. Method includes carrying out inhalation courses based on duration of upcoming physical and psycho-emotional stress, and health-restorative effect - no more than 84 hours and not less than 2 hours prior to exercise on human body.EFFECT: method speeds up body recovery and enables to obtain record results in rehabilitation practice to enhance functionality and resistance of body during stress adaptation.8 cl, 2 dwg, 5 ex
FIELD: medicine.SUBSTANCE: invention refers to medical equipment. A device comprises a pillow, a frame and a pipeline for fluid connection. The pillow is connected to the frame. The frame has a hole in the fluid connection to the pillow. The pipeline comprises a feed end and a delivery end in the fluid connection to the feed end. The feed end is configured so as to receive the breathing gas flow. The feed end is configured so as to be fluid connected to the hole in the frame. A part of the central chamber is arranged between the feed end and the delivery end. The part of the central chamber has an external wall configured opposite the frame hole when the delivery end is in the fluid connection with the hole. The number of exhaust gas holes is arranged on the external wall and extend through it. A number of separation elements are connected to and extend from an internal surface of the external wall and comprise a number of surfaces configured to reflect sound waves connected to the exhaust gas flow through the frame hole, wherein each separation element comprises a region of a guide edge, which has a number of arched parts.EFFECT: presented device reduces the noise connected to the exhaust gas flow.5 cl, 33 dwg
FIELD: medical equipment.SUBSTANCE: group of inventions relates to medical equipment. System with float valve comprises first and second valve seat, flexible partition passing between first valve seat and second valve seat; first driving element configured to deflect flexible partition for opening and closing of first valve seat. Second driving element is designed to deflect flexible partition for opening and closing of second valve seat. First float is connected to first driving element so that it closes first valve seat when in first preset level; and second float is connected to second driving element to close second valve seat when second preset level is achieved. Disclosed are versions of chamber for use in a respiratory moistening and system and method of liquid level control.EFFECT: inventions ensure higher reliability of respiratory moistening.32 cl, 5 dwg
FIELD: medicine.SUBSTANCE: invention refers to medical equipment, particularly to apparatus for generating bioactive respiratory medium from exhaled and atmospheric air with possibility of controlling content of carbon dioxide and oxygen. According to invention forming bioactive respiratory medium from exhaled and atmospheric air involves bellows coaxially to which there is bellow of larger diameter, bellows at ends tightly fixed indicator containing controlled along section of hole and plug containing shut-off hole connected with bellows volume, and respiratory tube.EFFECT: higher adaptive and compensatory body capabilities due to normalisation of homeostasis in part of arterial blood gas composition in carbon dioxide gas.1 cl, 1 dwg
FIELD: medicine.SUBSTANCE: group of inventions refers to medical equipment. A system for detecting patient's wake-sleep transition comprises a pressure generator supplying into the patient's airway, a sensor for forming output signals conveying pressure or gas flow information inside or nearby the patient's airway, a processor for executing programming modules. The programming modules comprise a control module for controlling the generator to create respiratory stimuli so that the patient is able to vary inhalation onset, exhalation gas flow and respiratory capacity, a matching module for detecting the time matching of the patient's respiration with the respiratory stimuli. The above detection is based on output signals formed by the sensor, and the respiratory stimuli created by the discharge respiratory gas mix flow. A sleep module is configured to detect if the patient is awake or sleeps. The detection is based on detecting the time matching of the patient's respiration and the respiratory stimuli for the patient that is executed by the matching module. Disclosed are a version of the system and a method for detecting patient's wake-sleep transition.EFFECT: inventions provide reducing discomfort of sleep onset.12 cl, 5 dwg
FIELD: medicine.SUBSTANCE: invention refers to medicine. A coupling device for a patient for connecting gas flow to patient's airway comprises a support element, a sealing element and a sleeve element operatively connected to the sealing element. The support element comprises a central support portion and a pair of buccal supports extending from respective opposite sides of the central support portion. The central support portion and buccal supports represent a single structure generally made of a rigid material consisting of metal, plastic or a combination thereof. The central support portion specifies a socket for the sealing element. Each buccal support is configured so as to apply a force to the side of the user's cheek-bone, and apply substantially no force above the apex of the user's cheek-bone in response to the above coupling device used. Each buccal support comprises one element applicable to extend above the apex of the cheek-bone in response to the above coupling device used. The sealing element is inserted in coupled or mated relation into the socket for the sealing element so as to hold the sealing element on the above support element. The sealing element is configured to adjoin tightly the user's surface to connect the gas flow and user's airway.EFFECT: invention provides preventing user's discomfort caused by a relatively high tightening force required to ensure a reliable adherence to the user, and fills less the user's requirements.14 cl, 16 dwg
FIELD: medicine.SUBSTANCE: 10 minutes after artificial one-lung ventilation starts, before a lung is removed, partial pressure of oxygen arterial blood (PaO2), arterial blood pH value (pH) and average pressure in the pulmonary artery are measured. That is combined with assessing the artificial one-lung ventilation parameters. Airway plateau pressure (Pplato) generated by an artificial lung ventilation apparatus and oxygen percentage in respiratory gas (FiO2) supplied to the lungs are measured. The value (X) is calculated by formula: , wherein Z is an arterial blood pH level (pH) in points according to the following provisions: if pH is more than 7.3, the pH level is 0 points; if pH falls within the range from 7.3 to 7.25, the pH level is 5 points; pH from 7.24 to 7.2 stands for 10 points, and pH less than 7.2 requires 15 points; Y is an average pressure in the pulmonary artery (avPPA) in points according to the following provisions: if avPPA is less than 40 mm Hg, 0 points are assigned; avPPA from 40 to 50 mm provides 5 points; 10 points are added if avPPA is from 51 to 60 mm Hg, and avPPA exceeding 60 mm Hg means 15 points. If X is 35 or more, using the extracorporeal oxygenation techniques is considered to be unavoidable. If X is less than 35, it is supposed to be determined at the following transplantation stages.EFFECT: method enables the accurate determination if it is necessary to start complete substitution of the pulmonary ventilation and to support the blood flow by means of extracorporeal membrane oxygenation during a lung transplantation surgery.4 cl, 11 tbl, 3 ex
FIELD: medicine.SUBSTANCE: invention relates to medical equipment, namely to air-conducting devices for application in people or animals. Device contains breathing tube, which has first end and second end. Device additionally includes arm, which extends in transverse direction from breathing tube, and has leading surface, located at angle ±15° relative to perpendicular to breathing tube. Arm is made with possibility of contact with palatine arches of patient - human or animal - to prevent excessive insertion of device in the process of application.EFFECT: application of invention makes it possible to prevent excessive insertion of device.25 cl, 97 dwg
FIELD: medicine.SUBSTANCE: device for creation of nasal constant positive airway pressure contains inspiratory tubes, connected with nasal cannulas; expiratory tubes and generator case, connected with inspiratory and expiratory tubes. Generator case contains nozzles, made in configuration for obtaining gas from said inspiratory tubes and direction of said gas by jet flow to nasal cannulas and flow enhancer, made with possibility of re-direction of said jet flow. Flow enhancer contains device for gas control, made with possibility of channelling said jet flow to point of collision of jets by ways of jets; switch of jet reflection, made with possibility of switching jet reflection of channelled gas back to said expiratory tubes and device for control of separate way. Disclosed are: device version, flow enhancer for application in device and method of supplying nasal constant positive pressure.EFFECT: reduction of patient's respiration work.19 cl, 3 dwg
FIELD: medicine.SUBSTANCE: group of inventions relates to medicine. System for pressure maintenance for generation and supply of respiratory gas flow into patient's airway contains pressure generator; gas pressure sensor; sensor of gas consumption and controller, connected with possibility of interaction with pressure sensors and consumption and control of pressure generator operation. Controller automatically identifies interface device by supplying multitude of pressures to interface device with application of system for pressure maintenance and determination of multitude of rates of output flow from interface device, determination of zero or minimal changes of output flow rate, corresponding to changes of level of supplied pressures, when multitude of pressures are higher than specified initial pressure, and comparison of particular rate of output flow and specified initial pressure with multitude of preliminarily determined rates of output flow and pressure points for identification if interface device. Particular flow rate corresponds to one of multitude of pressures, which is higher than particular specified initial pressure. Controller is made with possibility of regulating operation parameters of system for pressure maintenance or providing possibility of functioning of system for pressure maintenance on the basis of identification of interface device type. Method for identification of interface device is disclosed.EFFECT: technical result consists in minimisation of inadvertent leak of respiratory gas taking into account of interface type.17 cl, 3 dwg