CN214761431U - Liquid nitrogen freezing treatment device - Google Patents

Abstract

The liquid nitrogen cryotherapy device comprises a liquid nitrogen bottle, wherein a bottle opening of the liquid nitrogen bottle is in threaded connection with a communicating pipe, a handle is fixed on the outer wall of the communicating pipe, the top of the communicating pipe is in sealed connection with a circular plate, and a cryotherapy part is arranged at the upper part of the communicating pipe; the cryotherapy part comprises an upper ring body and a lower circular plate, and two through holes are formed in the circular plate; in conclusion, the novel technology can perform cryotherapy from the center and the surface, has good treatment effect, can repeatedly puncture and freeze when a plurality of lesions of the same patient are detected, and is convenient to use.

Description

Liquid nitrogen freezing treatment device

Technical Field

The utility model belongs to the technical field of the medical treatment, concretely relates to liquid nitrogen cryotherapy device.

Background

Under normal atmospheric pressure, liquid nitrogen is formed at a temperature lower than 196 ℃ below zero, and the liquid nitrogen freezing treatment utilizes the extremely low temperature of the liquid nitrogen, so that normal cells can be irreversibly damaged in an extremely frozen state. The liquid nitrogen freezing treatment is to rapidly kill cells in a diseased area under an extreme freezing state so as to normally recover the diseased area, and is widely applied to the treatment of skin diseases, and the main indications comprise verruca plana, molluscum contagiosum, keloid, chronic eczema, neurodermatitis, helosis, lichen planus, prurigo of arthritis, seborrheic dermatitis and the like. At present, liquid nitrogen is mostly directly smeared and sprayed on the surface of a diseased tissue to achieve the effect of low-temperature freezing, but skin diseases such as flat wart, corn and the like are often lumpy objects, and the effect of freezing treatment on deep lesions cannot be achieved only by smearing liquid nitrogen on the surface of the skin diseases, so that incomplete lesion treatment and easy repetition are easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a liquid nitrogen freezing treatment device which can carry out freezing treatment from the center and the surface for solving the defects in the prior art.

In order to solve the technical problem, the utility model adopts the following technical scheme: the liquid nitrogen cryotherapy device comprises a liquid nitrogen bottle, wherein a bottle opening of the liquid nitrogen bottle is in threaded connection with a communicating pipe, a handle is fixed on the outer wall of the communicating pipe, the top of the communicating pipe is in sealed connection with a circular plate, and a cryotherapy part is arranged at the upper part of the communicating pipe;

the cryotherapy part comprises an upper ring body and a lower circular plate, wherein two through holes are formed in the circular plate, the two through holes are symmetrically arranged around the circle center of the circular plate, the circular plate is positioned between the upper ring body and the lower circular plate, two guide rods are fixed between the upper ring body and the lower circular plate and correspondingly penetrate through the two through holes, a sealing ring is arranged in each through hole, a compression spring is sleeved on each guide rod, two ends of the compression spring are connected to the bottom surface of the upper ring body and the top surface of the circular plate, a main plug is fixed at the circle center of the upper surface of the lower circular plate, a plurality of auxiliary plugs are arranged on the upper surface of the lower circular plate, all the auxiliary plugs are arranged in an annular array around the main plug, a circular hole is formed in the upper center of the circular plate, a needle head is fixedly installed at the circular hole, the main plug is positioned right below the lower end of the needle head and used for plugging the lower end port of the needle head, and a plurality of leak holes are also formed in the circular plate, the leakage holes and the auxiliary plugs are arranged up and down in one-to-one correspondence, and the auxiliary plugs are used for plugging the corresponding leakage holes; a rubber sleeve is connected between the outer edge of the upper ring body and the circular plate, a cylindrical sponge is fixed at the central hole of the upper ring body, and the needle head vertically penetrates out of the sponge upwards through the axis of the sponge.

Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has: the novel technology can carry out cryotherapy from the center and the surface, has good treatment effect, can repeatedly puncture and freeze for a plurality of lesions of the same patient, and is convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the structure of the cryotherapeutic member.

Detailed Description

As shown in fig. 1 and 2, the liquid nitrogen cryotherapy device of the present invention comprises a liquid nitrogen bottle 1, wherein a bottle mouth of the liquid nitrogen bottle 1 is connected with a communicating pipe 2 by screw thread, a handle 3 is fixed on the outer wall of the communicating pipe 2, the top of the communicating pipe 2 is connected with a circular plate 4 in a sealing manner, and a cryotherapy part is arranged on the upper part of the communicating pipe 2;

the cryotherapy part comprises an upper ring body 5 and a lower circular plate 6, two through holes 7 are formed in the circular plate 4, the two through holes 7 are symmetrically arranged around the circle center of the circular plate 4, the circular plate 4 is positioned between the upper ring body 5 and the lower circular plate 6, two guide rods 8 are fixed between the upper ring body 5 and the lower circular plate 6, the two guide rods 8 correspondingly penetrate through the two through holes 7, a sealing ring is arranged in each through hole 7, a compression spring 9 is sleeved on each guide rod 8, two ends of the compression spring 9 are connected to the bottom surface of the upper ring body 5 and the top surface of the circular plate 4, a main plug 10 is fixed at the circle center of the upper surface of the lower circular plate 6, a plurality of auxiliary plugs 11 are arranged on the upper surface of the lower circular plate 6, all the auxiliary plugs 11 are arranged in an annular array around the main plug 10, a circular hole is formed in the center of the circular plate 4, a needle head 12 is fixedly installed at the circular hole, and the main plug 10 is positioned right below the lower end of the needle head 12, the main plug 10 is used for plugging the lower port of the needle 12, the circular plate 4 is also provided with a plurality of leakage holes 13, the leakage holes 13 and the auxiliary plugs 11 are arranged in a one-to-one up-and-down correspondence manner, and the auxiliary plugs 11 are used for plugging the corresponding leakage holes 13; a rubber sleeve 14 is connected between the outer edge of the upper ring body 5 and the circular plate 4, a cylindrical sponge 15 is fixed at the central hole of the upper ring body 5, and the needle head 12 vertically penetrates out of the sponge 15 through the axis of the sponge 15.

The utility model has the initial state that the communicating pipe 2 is connected with the bottle mouth of the liquid nitrogen bottle 1 by screw thread, the lower circular plate 6 is tightly attached to the bottom surface of the circular plate 4 under the elasticity of the compression spring 9, the main plug 10 is correspondingly inserted into the lower port of the needle head 12, the lower port of the needle head 12 is plugged, the auxiliary plug 11 is correspondingly inserted into the leak hole 13, and the corresponding leak hole 13 is plugged; the utility model discloses when using, put the central point with syringe needle 12 disect insertion pathological change tissue, there is cylindricality sponge 15 around the upper portion of syringe needle 12, in the insertion process, the top pressure through pathological change tissue surface makes upper ring body 5 move backward, and promote down plectane 6 through guide bar 8 and move backward, compression spring 9 further compresses, finally make main stopper 10 break away from syringe needle 12 lower port, vice stopper 11 breaks away from small opening 13, syringe needle 12 lower port and small opening 13 open, liquid nitrogen flows into communicating pipe 2 in the liquid nitrogen bottle 1, finally get into syringe needle 12 from the round hole on the circular plate 4 at communicating pipe 2 top, liquid nitrogen in the syringe needle 12 freezes pathological change tissue center, in addition liquid nitrogen flows into rubber sleeve 14 from small opening 13 on circular plate 4, flow into sponge 15 by rubber sleeve 14 again, sponge 15 freezes the surface of pathological change tissue; after the freeze introduction, the needle 12 is withdrawn, the lower circular plate 6 is reset under the elastic force of the compression spring 9, the lower port of the needle 12 is plugged again by the main plug 10, and the corresponding leakage hole 13 is plugged again by the auxiliary plug 11.

The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.

Claims (1)

1. Liquid nitrogen cryotherapy device, its characterized in that: the device comprises a liquid nitrogen bottle, wherein a bottle opening of the liquid nitrogen bottle is in threaded connection with a communicating pipe, a handle is fixed on the outer wall of the communicating pipe, the top of the communicating pipe is in sealed connection with a circular plate, and a freezing treatment part is arranged at the upper part of the communicating pipe;

the cryotherapy part comprises an upper ring body and a lower circular plate, wherein two through holes are formed in the circular plate, the two through holes are symmetrically arranged around the circle center of the circular plate, the circular plate is positioned between the upper ring body and the lower circular plate, two guide rods are fixed between the upper ring body and the lower circular plate and correspondingly penetrate through the two through holes, a sealing ring is arranged in each through hole, a compression spring is sleeved on each guide rod, two ends of the compression spring are connected to the bottom surface of the upper ring body and the top surface of the circular plate, a main plug is fixed at the circle center of the upper surface of the lower circular plate, a plurality of auxiliary plugs are arranged on the upper surface of the lower circular plate, all the auxiliary plugs are arranged in an annular array around the main plug, a circular hole is formed in the upper center of the circular plate, a needle head is fixedly installed at the circular hole, the main plug is positioned right below the lower end of the needle head and used for plugging the lower end port of the needle head, and a plurality of leak holes are also formed in the circular plate, the leakage holes and the auxiliary plugs are arranged up and down in one-to-one correspondence, and the auxiliary plugs are used for plugging the corresponding leakage holes; a rubber sleeve is connected between the outer edge of the upper ring body and the circular plate, a cylindrical sponge is fixed at the central hole of the upper ring body, and the needle head vertically penetrates out of the sponge upwards through the axis of the sponge.

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