Thermoelectric device for thermal impact on person's arm
SUBSTANCE: thermoelectric device for the thermal impact on a person's arm contains a temperature irritant. Thermoelectric modules of the temperature irritant are built into a flexible elastic base with holes for their installation and are connected to a programmable power source by means of electric cables. The holes are located in one row along the base length. The base is provided with the Velcro fastener on edges and is made in the form of two cloths from a synthetic elastic fabric, sewn to each other with capron thread on the perimeter of the installed in them thermoelectric modules at a 2-3 mm distance from their edges. A part of the fabric overlaps surfaces of the thermoelectric modules, covering 2-3 mm of the latter on the perimeter. Internal thermocouple junctions of the thermoelectric modules face the person's arm and are brought into thermal contact with a flexible heat-equalising plate through heat-conductive paste. External thermocouple junctions of the thermoelectric modules through the heat-conductive paste contact with thin-walled flexible reservoirs, filled with a melting working substance with the melt point of 35-45°C. The reservoirs play the role of heat removal and are sewn to the base on their angles with the capron thread. The base from the side of location of the external thermocouple junctions of the thermoelectric modules on its entire area is brought into tight mechanical contact with a cuff, connected with a blower by means of a tube.
EFFECT: application of the invention will make it possible to simplify the device construction and reduce its overall dimensions and weight.
The invention relates to medicine and is intended for local contrast thermal effects on one's hand.
The prototype of the invention is the device described in . The device includes a temperature stimulus, including a set of serially connected elements of heat, connected to a programmable DC electric current and installed thermal contact with an elastic layer, each of which consists of a thermoelectric battery, located near the inner elastic layer battery junction has a thermal contact with teplovidelyaushy plate and the external finned heat sink. Elastic interlayer is arranged to ensure a tight contact at the site of a human hand, and each element of thermal effects is provided with a device pairing comprising a hinge with a fixed guide plate are formed with a longitudinal groove of a trapezoidal shape and a first contact pad on its surface connected to the first output of thermoelectric battery by means of a metal spring and a second spring-loaded contact pad placed on the insulation layer of the element temperature effects with the possibility of heavy contact and education electrical connection betwee�communicating with the first contact pad of another element thermal effects. The fin located on the side of the guide plate of the other element temperature effects, has a projection of the same trapezoidal shape, made with the possibility of the formation of a mechanical connection by means of dense occurrence in a longitudinal groove of the guide plate adjacent element by heat.
The disadvantage of this device is the complexity and bulkiness of the structure.
The aim of the invention is to simplify the design of the device, and reducing its overall dimensions and mass.
This object is achieved in that the device thermoelectric modules (TEM) are embedded in a flexible elastic base, the edges provided with a Velcro fastener, with the holes to install them, arranged in one row along its length. The base is made in the form of two webs of synthetic elastic of cloth sewn together with nylon thread around the perimeter of the TEM at a distance from their edges 2-3 mm so that a portion of matter is on the surface of the TEM, closing the last 2-3 mm around the perimeter. Internal junctions TAM, facing the man's hand, is provided in thermal contact with a flexible teplovidelyaushy plate using thermally conductive paste, the opposite external to internal junctions TEM also using heat-conducting paste are in contact with thin gibtelecom, filled with a consumable refrigerant, which has a melting point lies in the range of 35-45°C, performing the role of cooling, these containers are sewn to the base, back to your corners with nylon thread. Base by finding external junctions of thermoelectric modules along their entire surface area is shown in tight mechanical contact with the sleeve, connected to the blower tube.
Block diagram of the device shown in Fig.1-2.
The device comprises a flexible elastic base 1 with holes arranged in one row along the length of the base, to install the TEM 2. The base 1 is made in the form of two webs 3 of synthetic elastic of cloth sewn together with nylon thread around the perimeter of the TEM 2 at a distance from their edges 2-3 mm so that a portion of matter is on the surface TEM 3, closing the last 2-3 mm around the perimeter. Internal junctions 4 TEM 2 facing the human hand shown in thermal contact with a flexible teplovidelyaushy plate 5 through thermally conductive paste 6. The opposite outer junctions 7 TEM 2 through thermally conductive paste 6 are in contact with the thin-walled flexible containers 8 filled with a consumable refrigerant, which has a melting point lies in the range of 35-45°C, performing the role of heat removal. Capacity 8 are sewn to based�se 1 to your corners with nylon thread. TEM electric wires 2 are connected to a programmable power source (not shown) that implements different modes of operation of the modules (cooling, heating, alternation). The base 1 along the edges provided with Velcro-type fasteners 9. The base 1 by finding external junctions TEM 2 over its entire area is indicated in tight mechanical contact with the sleeve 10 connected to the compressor 11 of the tube 12.
The device operates as follows.
Before beginning the procedure, the device is fixed on the section of the human hand subjected to heat, ensuring tight contact due to the elastic properties of the base 1 and the presence of the Velcro fasteners 9. The procedure begins with the inclusion of a programmable power supply, for a given program powering the electric current of the required magnitude and polarity TEM 2. Dose and duration of heat exposure is determined by the attending physician, it is monitoring the patient's condition. The tank 8 filled with a consumable refrigerant, designed for the removal of excess heat from the external junctions 7 TEC 2 cooling area of the hand and teplovidelyaushaya plate 5 provides a uniform temperature distribution. To ensure a tight contact by means of the blower 11 through the tube 12, pumped the air in the cuff 10. For with�et generated inside of the cuff 10, the pressure contact area of the hand and teplovidelyaushy plate 5 is improved, which increases the efficiency of heat transfer from the inner junctions 4 TEM 2 to the impact zone.
The structural simplicity of the device and the possibility of regime change in wide temperature range ensures its application in various fields of medicine.
1. RF patent for the invention №2299711. Thermoelectric semiconductor device for local thermal effects on the human hand / Ismailov T. A", Avdulov O. V., G. I. Amines, Hasanova M. A., publ. 27.05.2007, bull. No. 15.
Thermoelectric device for thermal effects on the person's hand, containing a thermal stimulus is provided in thermal contact with a human hand, made on the basis of thermoelectric modules brought into contact with teplovidelyaushy plate and the heat removal device and connected to a programmable power source electrical wires, characterized in that thermoelectric modules are integrated into a flexible elastic base, the edges provided with a Velcro fastener, with the holes to install them, arranged in one row along its length, wherein the base is made in the form of two webs of synthetic elastic matter, sewn together with nylon thread around the perimeter of thermoelectric modules at a distance from their edges 2-3 mm in such a way that cha�th matter is on the surface of thermoelectric modules closing the last 2-3 mm around the perimeter, and the internal junctions of thermoelectric modules facing the human hand shown in thermal contact with a flexible teplovidelyaushy plate using thermally conductive paste, the opposite external to internal junctions of thermoelectric modules are also using heat-conducting paste are in contact with the thin-walled flexible containers filled with a consumable refrigerant, which has a melting point lies in the range of 35-45°C, performing the role of cooling, these containers are sewn to the base, back to your corners with nylon thread, and the basis from finding external junctions of thermoelectric modules along their entire surface area is shown in tight mechanical contact with the sleeve, connected to the blower tube.
SUBSTANCE: invention relates to thermoelectric modules. Essence of the invention is as follows: preferable implementations versions include two-piece (high-temperature part and low-temperature part) cellular structure and segmented N-racks and R-racks consisting of thermoelectric materials in three segments selected by principles of their chemical compatibility or their good quality at various differences of temperatures between the hot and cold sides of the module. Racks comprise metal grids which are partially built in thermoelectric segments for assistance to sustain electric contacts irrespective of considerable temperature variation. The cast cellular structure in preferable versions fixes thermoelectric N-racks and R-racks and provides for them isolation and electric contacts. The high-temperature part of the cellular structure consists of ceramic material capable to be operated at temperatures above 500°C, and the low-temperature part consists of the thermoplastic material with very low heat conductivity.
EFFECT: design improvement.
25 cl, 1 tbl, 12 dwg
SUBSTANCE: invention relates to the conversion of thermal energy into electrical one. Essence: a thermoelectric generator system comprises a control unit (202) and a thermoelectric cell (204) with a heat-absorbing surface (212) and a cooled surface (214). Heat (216) is supplied from a heater (208) through a thermoelectric generator (204). Depending on electric power transferred to load (232), the control unit (202) regulates current generated by the thermoelectric generator (204). Through the thermoelectric cell (204) current is used to limit the operating temperature of the heat-absorbing surface (212).
EFFECT: extended service life and improved reliability of the thermoelectric generator.
10 cl, 7 dwg
SUBSTANCE: AC voltage converter consists of an ohmic area to which alternating voltage is supplied through the insulation area connected with a good thermal contact to a thermoelectric structure, from which direct voltage is collected. At that heat source made as a flow-through vessel with geothermal water is matched to the ohmic area surface opposite to the surface contacting the thermoelectric structure. Surface of the thermoelectric structure opposite to the surface contacting the ohmic area is matched to a heat accumulator made as a vessel with solution of salt having low cryohydric solution temperature, and this salt is added to the respective vessel by a special dosing unit.
EFFECT: increased value of direct voltage generated by the device.
SUBSTANCE: group of inventions relates to medicine. Device for estimating thermalgetic and vibration sensitivity contains first unit for application of stimulating impact to localised points on patient's body, representing vibration and temperature changes, and second data-collecting unit. First unit contains outer case, means for vibration impact and means for creation of cold/warmth for direct impact on patient, as well as mans for switching on/switching off and control for bringing first unit into action and changing vibration intensity and temperature. Means for vibration impact and means for creation of cold/warmth are located inside outer case and move with respect to case for extending from it in the process of stimulating impact application. Second unit contains means for data input, means for data display, means for indication of different modes of first unit operation, as well as means for quantitative estimation of data, obtained from means for data input. Exchange by data between first and second units is realised by means of two-way wireless transmission. Means for vibration impact contain tuning fork with two antennae, converging in the central point. Vibration applicator, on butt end of which Teflon or polynil tip is put on, extends from said point. Applicator represents lever, deviating from the main axis of first unit by 30° angle, and is connected with outer case by means of rubber gasket. Piezoelectric element or loudspeaker with inductance coil for creation of vibration is fixed on free end of each antenna in immobile way. Cables, extending from means for vibration impact, pass through the central part of first unit case. First and second units are switched on and their self-diagnostics if carried out by the following parameters: battery charge, the environment temperature, skin temperature and state of infrared connection. Applicator is extended from one of case sides. Butt end of applicator is placed on localised part of skin of nail bed of right hallux, on second and all following toes of said foot, then procedures are repeated on left foot, and after that on upper extremities. Insulating rubber plate is placed under cushion of each examined toe/finger. Vibrations of different intensity are supplied to each toe/finger in alternating way for specified period of time. After each vibration patients presses first button of second unit, if they feel vibration, or second button, if they do not feel anything. Percentage of vibrations, felt by patient, is determined quantitatively to calculate sensitivity degree. Peltier cell is extended from one of case sides. One of Peltier cell sides is placed on localised part of skin of right foot sole, then procedure is repeated on left sole, and then on upper extremities. Cold/hot stimulating pulses are supplied to each extremity in alternating way for definite time period. After each cold/hot/pain stimulating impact patient presses first button, if they felt stimulating impact, or second button, if they do not feel anything. Percentage of changes of temperature and pain, caused by cold/hot, which patients felt, is quantitatively determined by means of second unit to calculate sensitivity degree.
EFFECT: application of inventions will make it possible to realise self-diagnostics of impairment of sensitivity in distal parts of patient's body.
13 cl, 7 dwg
SUBSTANCE: AC voltage converter consists of an ohmic area to which alternating-current voltage is supplied through the insulation area connected with a good thermal contact to a thermoelectric structure, from which direct voltage is collected. At that an exhaust heat receiver is matched to the surface of ohmic area opposite to the surface contacting with the thermoelectric structure. Surface of the thermoelectric structure opposite to the surface contacting with the ohmic area is matched to a thermal accumulator made as a container with melting working substance.
EFFECT: increased value of direct voltage generated by the device.
SUBSTANCE: invention relates to thermoelectric devices and can be used in devices of different purpose, in which thermoelectric modules are used. Essence: a thermoelectric module includes semiconductor branches 3 and 4 of N- and P-types of conductivity, which are connected with switching buses 5 to an electrical circuit, and protective polymer coating 8. Protective polymer coating 8 is applied onto branches 3, 4 and buses 5, which are connected to each other. The coating is obtained by a method of cathodic or anodic electrodeposition from polymer paint water composition with addition of Sintanol of 1-2 wt %, polyethylene glycol 1.5-3 wt % and latex of fluorine rubber with content of a functional monomer consisting of fluorine of up to 70 wt %. The coating has a thickness of 5-23 mcm and content of fluorine of 1-25 wt %.
EFFECT: improvement of the design.
6 cl, 2 dwg
SUBSTANCE: thermoelectric cooling module (TECM) includes cold and hot substrates with a matrix unit of thermoelectric elements, which is arranged between them and includes multiple semiconductor branches of n- and p-types of conductivity, which are connected in pairs by switching buses to an electric circuit. Between the cold substrate and the cold side of the matrix unit an arrangement is made for an elastic heat-conducting device for the connection of switching buses of cold junctions of the thermoelements to the cold substrate. Between the hot substrate and the hot side of the matrix unit an arrangement is made for a device for the connection of switching buses of hot junctions of the thermoelements to the hot substrate. TECM is provided with silicone primers, each of which is made in the form of a flattened four-sided pyramid and attached with its lower base to a free surface of each switching bus of all the cold junctions of the thermoelements. TECM is equipped with an adhesive element for the cold junctions, which is made in the form of an elastic heat-conducting microrelief film repeating the microrelief of the inner surface of the cold substrate and fixed on it. The connection device of the switching buses of the cold junctions of the thermoelements to the cold substrate is made in the form of a protector with a relief pattern arranged on the inner surface of the cold substrate above its adhesive element. The relief pattern of the protector is made in the form of alternating projections having a shape of flattened four-sided pyramids. To each smaller base of the pyramids of the protector there connected is the silicone primer on the corresponding switching bus on the cold side of the matrix unit of the thermoelements with a possibility of formation inside each pyramid of pits for the arrangement in them of the corresponding switching buses. The connection device of the switching buses of hot junctions of the thermoelements to the hot substrate is made in the form of a matrix of adhesive elements, each of which is made in the form of a flattened four-sided pyramid from a conducting material resistant to oxidation, for example silver. The above pyramids of the matrix of adhesive elements are fixed with their larger bases on the inner surface of the hot substrate in pairs. Each pair of the above pyramids of the matrix of adhesive elements is connected with its lower bases to the corresponding switching bus of the hot side of the matrix unit of the thermoelectric elements.
EFFECT: increasing the strength, improving reliability, endurance, providing the stable reception of design output parameters, a long failure-free operating life at operation under severe extreme conditions.
SUBSTANCE: invention is related to electric engineering, in particular, to converters of alternating current voltage. The AC voltage converter consists of an ohmic area to which alternating-current voltage is supplied through the insulation region connected with a good thermal contact to a thermoelectric structure, from which direct voltage is collected.At that a heat source made as a continuous flow vessel with geothermal water is coupled to the surface of the ohmic region opposite to the region contacting the thermoelectric structure, and surface of the thermoelectric structure opposite to the region contacting to the ohmic region is coupled to a heat accumulator made as a container with melting working agent.
EFFECT: increased value of direct voltage generated by the device.
SUBSTANCE: invention is related to electronic engineering, in particular, to converters of alternating current voltage. The AC voltage converter consists of an ohmic area to which alternating-current voltage is supplied through the insulation region connected with a good thermal contact to a thermoelectric structure, from which direct voltage is collected. At that at a certain distance from the ohmic area surface there is a solar concentrator fixed at a holder for the purpose of additional heating provided to the ohmic area, while the distance between the ohmic area and solar concentrator corresponds to focal distance between lenses included into composition of the solar concentrator, at that surface of the thermoelectric structure opposite to the are contacting the ohmic area is coupled to an air cooler.
EFFECT: goal of the invention is to increase value of direct voltage generated by the device.
SUBSTANCE: invention relates to thermoelectrical instrument making, particularly to the design of thermoelectric batteries (TEB). The invention concept is as follows: thermal elements branches are arranged inclined in one of the coordinate planes. Branches made from p-type semiconductors are located at the angle opposite to the inclination angle of the branches made from n-type semiconductor. Inclination angle between branches lies within
EFFECT: improved effectiveness of heat elimination from TEB switch plates.
SUBSTANCE: heat exchange device consists of air and water heat exchangers tightened with screws, between which thermoelectric coolers located in the form of a rectangle and enclosed with a safety barrier are installed in a thermal contact. The device differs by the fact that retainers located along the perimeter and in the centre of the rectangle are additionally introduced; height of the above retainers exceeds height of thermoelectric coolers, and a heat-conducting material layer is applied onto the surface of the thermoelectric coolers which contact the heat exchangers. The retainers are made from low heat-conducting material.
EFFECT: improving reliability due to creation of a uniform compressive force of heat exchange surfaces; increasing operating life.
5 cl, 3 dwg
SUBSTANCE: heat exchange unit consisting of air and water heat exchangers tightened with screws, between which there installed in thermal contact are thermoelectric coolers located in the form of a rectangle and enveloped with a safety barrier; in addition, it is equipped with a terminal box that is located on the outer side of the water heat exchanger and connected to a cavity in which thermoelectric coolers and temperature sensors are located by means of passages made in the wall of the water heat exchanger. In the above passages there located are electrical wires of coolers and sensors, the outputs of which are fixed on the terminal plate installed in the terminal box, to which a cable for external connections is connected through a packing seal.
EFFECT: increasing air tightness of the structure, improving reliability and service life, increasing control efficiency due to possible variation of current-carrying circuits of coolers.
4 cl, 3 dwg
SUBSTANCE: invention represents a quick freezer comprising a refrigerator with a hydraulic main which is connected to a pump through parallel heat exchanges contacting with one surface of thermoelectric modules, the second surface of which contacts with thermally conductive plates. The thermally conductive plates contact in their turn with a cooling pack placed in between. The thermoelectric modules are provided with a power supply isolated from the thermally conductive plates, with the cooling packs placed in between, by an insulating wall with power cables of the thermoelectric modules passing therethrough. A cavity formed by the thermally conducting plates is filled with a fluid wherein cooling model sets are placed; a freezing temperature of the fluid is below that of cold junctions of the thermoelectric modules placed on the outer side of the sealed cavity.
EFFECT: quicker freezing of products and solutions, particularly plasma and blood.
2 cl, 2 dwg
SUBSTANCE: control system of temperature fluid comprises two sets of elements of temperature control, located opposite each other and forming between them an area of temperature control. The piping system in the area of temperature control forms a single fluid flow path, which may have alternating first and second parts of the fluid. One or more first parts are located adjacent the first set and have a heat conducting connection with it and one or more second parts are located adjacent the second set and have a heat conducting connection with it. The temperature control system can be used as a module of cooling or heating fluid in the device or the system of supplying cold fluid, such as drinking water or the device of supplying other beverage.
EFFECT: use of this group of inventions enables to improve cooling efficiency.
20 cl, 22 dwg
SUBSTANCE: thermoelectric cooling unit is applied in refrigerating engineering. A thermoelectric cooling unit includes two or more thermoelectric modules (2) arranged in sealed chamber (4) pre-vacuumised and filled with dry gas. Hot junctions of thermomodules are connected to liquid radiator (6) of the sealed chamber, and cold junctions are connected to condensers (7). Into each condenser there built are three independent thermosyphons (8) with internal steam lines (10); besides, evaporation zone (9) of thermosyphons is in the housing of air radiator (3) separated with heat-insulating insert (5) from the liquid radiator of the sealed chamber, which provides unidirectional heat transfer in case of power interruption of thermoelectric modules. Heat-insulated housing (1) forms internal and external thermal circuits. Fan (11) and electric heater (12) are installed on the air radiator housing.
EFFECT: use of the invention provides electric energy cost reduction.
SUBSTANCE: device includes a thermoelectric battery used as a thermal pump and connected to an AC network through a rectifier and a temperature regulator and consisting of thermoelectric modules, the plates of which are thermally connected to heat exchangers respectively for supply of low-potential heat and removal of heat to the heated room. The thermoelectric battery is made of one or several parallel connected electrical circuits, each of which is formed with series connected thermoelectric modules, the number of which in the circuit is determined by the following ratio: n=KUo/Umax, where Uo - supply voltage of thermoelectric battery at the rectifier outlet, Umax - maximum allowable supply voltage of one module of the circuit, K=2-5 - electric load reduction factor of one module.
EFFECT: increasing the ratio of generated thermal power to consumed electrical power.
SUBSTANCE: in a thermoelectric module, the space enclosed between inner surfaces of heat exchange plates is filled with waterproof heat insulating coating that is inert to materials of elements of the thermoelectric module, with heat conductivity equal to and less than 0.001 W/m·K to volume V, where Vmin is restricted with outer surfaces of peripheral branches of peripheral rows of thermal elements of a thermoelectric module and end surfaces of heat exchange plates, and Vmax is restricted with inner surfaces of heat exchange plates of hot and cold joints, switching buses and end surfaces of heat exchange plates. Technical result of the invention is increase in maximum temperature difference of cold and hot joints at the module hot side temperature of Thot=27°C and increase in maximum cooling capacity.
EFFECT: avoiding heat transfer due to emission, heat conductivity and convection through air between the plates of cold and hot joints.
SUBSTANCE: system comprises a control unit and a thermoelectric unit, comprising a base with a heat insulation gasket with one or more through holes for installation of one or more thermoelectric assemblies, comprising a thermoelectric battery installed between the joined external radiator-heat exchanger, which is directly pressed to the plate of the thermoelectric battery and the inner radiator-heat exchanger, which is pressed to its other plate via a heat conductor, extended to formation of a gap with the value of 1-5 mm between the base and the surface of the external radiator. On radiators there are DC fans installed, at the same time minus terminals of both fans of basic assembly via a control unit switch are connected to a minus terminal of its source of supply, a plus terminal of the inner radiator fan is connected to the plus terminal of the source of supply, and the plus terminal of the external radiator fan is connected with the output terminal of the switchboard, onto which during operation of the unit in the heating mode the negative polarity of thermoelectric battery supply is installed.
EFFECT: increased cold efficiency in the mode of cooling and increased reliability in the heating mode, reduced consumption of power, dimensions.
SUBSTANCE: invention refers to medical equipment and aims at producing apparatuses implementing an optimum program of reverse thermal exposure on a human body area. The device comprises a control element in the form of series or parallel connected groups with series or parallel connected thermocouples, temperature sensors arranged on the thermally exposing surface of the control element, a direct current source, a first switch with its input connected to a DC source and with its output connected to the groups of thermocouples, a program control unit, a control unit of thermal power of the thermocouples contacts of which are in a supply circuit of the thermocouples, a two-temperature selector, a comparison unit, a second switch a control input of which is connected to an output of a program control unit. Outputs of the two-temperature selector are connected to input of the second switch an output of which and an output of the temperature sensors are connected to inputs of the comparison unit connected to a control input of a control unit.
EFFECT: use of the invention provides the higher performance of the device.
SUBSTANCE: invention refers to medical equipment, more specifically to diagnostic systems based on temperature skin sensitivity detection. A patient skin cold and warm receptor sensor comprises a thermode (3), a thermode temperature sensor and metre (7), a heat module (1), which implements the Peltier effect and containing heat exposure (2) and heat exchanger (4) surfaces, radiator system (5), a direct current source (10), a first switch (11), a second switch (13), a control signal generator (14), a dual-channel temperature metre controller (12), a pulse counter (16), a patient-controlled pulse generator (15). The thermode (3) is equipped on the heat exposure surface (2) of the heat module (1); the radiator system (5) is placed on the heat exchange surface (4) of the heat module (1); a temperature sensor (7) is positioned in the thermode channel (3). Outputs of the direct current source (10) are connected to inputs of the first switch (11); outputs of the first switch (11) are connected to poles of the heat module (1); outputs of the temperature sensor (7) are connected to inputs of the dual-channel temperature metre controller (12). Each switching output of the dual-channel temperature metre controller (12) is connected to one of the two inputs of the second switch (13); output contacts of the second switch (13) are in a circuit of the power supply of the heat module (1). An output of the control signal generator (14) is connected in parallel to control inputs of the first and second switches (11, 13), and an output of the pulse generator (15) is connected to an input of the pulse counter (16).
EFFECT: invention shall simplify the heat circuit of temperature skin sensitivity detectors.
4 cl, 3 dwg
SUBSTANCE: invention relates to medical equipment, namely to devices for cryoextreme impact on skin. A cryotherapeutic device contains a vertically located cabin with a door, a system for a cryogenic gas preparation and devices for its supply to the cabin, and a control unit. When the door is closed, the cabin forms a closed thermally insulated cavity with a hole on the lateral surface in the form of a window for the patient's face, edged with a soft elastic material to provide hermetic contact with the patient's face. Means for supplying the cryogenic gas to the cabin include nozzles and channels placed in the cabin in at least two vertical rows, connecting the said nozzles with the system for the cryogenic gas preparation, with a pressure relief valve being installed in the upper part of the cabin.
EFFECT: application of the invention makes it possible to provide the uniform temperature gradient inside the cabin, increase the area of cryogenic impact and eliminate the possibility of penetration of the cryogenic gas into the patient's upper airways and lungs.
10 cl, 4 dwg