Device for needle instalation

IPC classes for russian patent Device for needle instalation (RU 2359654):

A61H39/06 - Devices for heating or cooling such points within cell-life limits

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FIELD: medicine.

SUBSTANCE: invention relates to medical equipment and is used in physiotherapy for acupuncture. Device contains case with guiding opening, needle pusher and holder of needle in case. As needle pusher, used is reservoir with possibility of expansion under impact of temperature and connected to it thermodrive, sensor of biological feedback of body region subjected to impact, current regulator, temperature sensor, controller. Thermodrive is connected with its inlet to current regulator, whose inlet is connected to controller outlet, whose first inlet is connected to temperature sensor, the second - to sensor of biological feedback.

EFFECT: increase of accuracy of place and depth of needle introduction, and reduction of pain sensation from physiotherapeutic procedure.

6 cl, 2 dwg

The device relates to medical equipment and used in physical therapy at acupuncture.

A device for installation of the needles in acupuncture, you can reduce the pain with the introduction of needle - RF patent №2098075. This device is adopted for the prototype contains the feeder needle, made of spring piston pusher guides the needle into the feed channel, the needle holder in the form of a permanent magnet. When exposed to the plunger, the needle is directed into the channel and the spring loaded piston type it into biologically active point (BAP). To regulate the depth of needle entry pre-screw mechanism to adjust the position of the spring piston relative to the housing of the device.

Common essential features of the prototype and the proposed solutions are as follows: device install needle includes a housing with a guiding hole, the plunger of the needle and the needle holder in the case.

The disadvantage of this device is the need to manually adjust the depth of penetration of the needle into BAT by trial and error.

The invention solves the technical problem of the exclusion process manual adjustment of the insertion depth of the needle in the BAHT, a decrease of pain from physiotherapy.

To achieve the mentioned technical result in the device installation the needle, comprising a housing with a guide hole, the plunger of the needle and the needle holder in the housing as the plunger of the needle used capacity expandable from the effects of temperature and coupled with thermo.

The most rational execution capacity is elastic bellows, and thermo - Peltier element, with one of the bases of the bellows is a pusher needle, and the second connected to one of the working surfaces of the Peltier element. For more effective control of the drive current regulator is made reversible (coupled with the bellows working surface of the Peltier element gives a wide range of temperatures).

In addition, to improve the accuracy of the location and depth of insertion of the needle device may contain a sensor biofeedback part of the body, which is the impact of the current controller, the temperature sensor, the controller, while thermo input connected to the current regulator, the input connected to the output of the controller, the first input of which is connected to the temperature sensor and the second sensor biofeedback. This sensor biofeedback may be made in the form of sensor impedance containing AC bridge, three shoulder which is composed of RLC chains (electrical circuits composed of placentas is positive-parallel connected inductive element, capacitive element and the resistance), and the fourth shoulder is a part of the body, to which is fed to the exposure device, and a bridge connected the input diagonal to the generator of the reference frequency and the output diagonal to the out phase-sensitive rectifier whose output is the output of the sensor.

In addition, to further reduce pain and subsequent swelling (in the case of use as a thermo-Peltier element), as well as additional aromassage, part of the housing in contact with the surface of the body, connected by a thermal bridge from the opposite needle working surface of the Peltier element.

The distinguishing characteristics of the proposed device are the following: as a follower needle used capacity expandable from the effects of temperature and coupled with thermo, as capacity used elastic bellows, and as thermo - Peltier element, with one of the bases of the bellows is a pusher needle, and the second connected to one of the working surfaces of the Peltier element, the current regulator can be made reversible. In addition, the device may include a sensor biofeedback body part that is exposed, the regulator that is a, the temperature sensor, the controller, while thermo input connected to the current regulator, the input connected to the output of the controller, the first input of which is connected to the temperature sensor and the second sensor biofeedback. This sensor biofeedback may be made in the form of sensor impedance containing AC bridge, three shoulder which is composed of RLC chains, and the fourth shoulder is a part of the body, to which is fed to the exposure device, and a bridge connected the input diagonal to the generator of the reference frequency and the output diagonal to the out phase-sensitive rectifier whose output is the output of the sensor. In addition, to further reduce pain and subsequent swelling (in the case of use as a thermo-element Peltier) part of the body in contact with the surface of the body, connected by a thermal bridge from the opposite needle working surface of the Peltier element.

Due to the presence of these distinctive features in conjunction with the known specified in the restrictive part of the formula, is achieved by the following technical result: thanks to the possibility of introducing a needle with ultra-low speed significantly reduce pain in addition, the needle can be entered on the need what are the physiological depth and location that increases the effectiveness. In addition, a large part of the process is automated.

The proposed solution is illustrated by the drawings.

Figure 1 shows a schematic diagram of a device.

Figure 2 shows a diagram of the sensor impedance.

Depicted in figure 1, the device for setting the needle 1 includes a housing 2 with the guide hole 3, the plunger of the needle 1, made in the form of an elastic bellows 4, the needle holder in the housing 1, made in the form of the magnet 5, thermo-made in the form of a Peltier element 6, with one of the bases of the bellows 4 is the direct follower of the needle 1, and the second connected to one of the working surfaces of the Peltier element 6. The controlling device includes a sensor impedance 7 (sensor biofeedback part of the body that is impact), reverse current controller 8, the temperature sensor 9, the controller 10 with the screen, and the Peltier element 6 input connected to the current controller 8, an input connected to the output of the controller 10, the first input of which is connected to the temperature sensor 9 and the second input to the sensor impedance 7.

Shown in figure 2, the sensor impedance 7 contains AC bridge, three shoulder which is composed of RLC chains 11, and the fourth shoulder is a part of the body, to which is supplied the damage which their device the bridge connected the input diagonal to the generator reference frequency 12, and the output diagonal to the out phase-sensitive rectifier 13, the output of which is the sensor output.

The device operates as follows. The apparatus is installed on the body so that its guide hole 3 roughly coincided with the biologically active point. If the unit is heated and accordingly, the cooling of the working surfaces of the Peltier element 6. While heating the surface of the Peltier element 6, in contact with the base of the bellows 4, heats it to air, the bellows 4 is increased in size and needle 1 slowly penetrates under the skin. The signal from the sensor impedance 7 displayed on the screen of the controller 10, judge the value of the "response" of the body on the mechanical needle 1. When you reach this "response" of a certain boundary value, the controller 10 changes the polarity of the voltage regulator 8, the current of the Peltier element 6. Previously nagrevaya its working surface begins to cool down, and the needle 1 begins to rise, thus reducing the depth of its penetration into the skin. The value of the "response" of the body on the penetration needle 1 is expressed in the amplitude of the pulse from the sensor output impedance 7 and depends not only on the depth of penetration of the needle 1, but also on the accuracy of localization of biologically active tochkin movement of the device within narrow limits by controlling the value of "response" allows you to pinpoint the active point and start the periodic influence of the reversing mechanism for moving the needle 1, and by summing the alternating temperatures from the opposite bellows 4 working surface of the Peltier element 6 through the housing 1 in the area of acupuncture points to set temperature wave infra low frequency, further reduce pain and improve efficiency.

In the sensor of the skin impedance 7 (2) RLC chains 11 are assembled so that, together with part of the body, on which the measured impedance, form AC bridge. Depending on the skin impedance at the output of the bridge appears mismatch potentials that with out phase-sensitive rectifier 13 is converted into a DC signal. When reaching a certain level of this current, defined on the basis of statistical data, the controller 10 switches the current regulator 8 of the Peltier element 6 in the state of the reverse. In the absence of a signal from the sensor impedance 7 reversal of current through the Peltier element 6 is effected by a signal from the temperature sensor 9.

1. Device installation needles for acupuncture, comprising a housing with a guide hole, the plunger of the needle and the needle holder in the housing, characterized in that as the pusher needle used capacity expandable from the effects of temperature and coupled with thermo-sensor biofeedback part of the body, to the which made an impact, the current regulator, temperature sensor, the controller, while thermo input connected to the current regulator, the input connected to the output of the controller, the first input of which is connected to the temperature sensor and the second sensor biofeedback.

2. The device according to claim 1, characterized in that as the pusher needle used elastic bellows, and as thermo - Peltier element, with one of the bases of the bellows is a pusher needle, and the second connected to one of the working surfaces of the Peltier element.

3. The device according to claim 2, wherein the current regulator is made reversible.

4. The device according to claim 1 or 3, characterized in that the sensor biofeedback in the form of sensor impedance containing AC bridge, three shoulder which is composed of RLC-chains, and the fourth shoulder is a part of the body, to which is fed to the exposure device, and a bridge connected the input diagonal to the generator of the reference frequency and the output diagonal to the out phase-sensitive rectifier whose output is the output of the sensor.

5. The device according to claim 2, characterized in that the sensor biofeedback in the form of sensor impedance containing AC bridge, three shoulder which is composed of RLC-chains, and the fourth shoulder Pres who is a part of the body, to which is fed to the exposure device, and a bridge connected the input diagonal to the generator of the reference frequency and the output diagonal to the out phase-sensitive rectifier whose output is the output of the sensor.

6. Device according to any one of p, 5, characterized in that the part of the body in contact with the surface of the body, connected by a thermal bridge from the opposite needle working surface of the Peltier element.