CN216021342U

CN216021342U - Cryosurgery device with temperature display function

Info

Publication number: CN216021342U
Application number: CN202122150343.4U
Authority: CN
Inventors: 连光
Original assignee: Hebei Jianzhiyi Medical Technology Co ltd
Current assignee: Hebei Jianzhiyi Medical Technology Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-03-15
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a cryosurgery device with a temperature display function, which comprises a handle, wherein the handle is connected with a hose and a probe pipe, the hose is communicated with the probe pipe, the other end of the hose is provided with a pressure reducing valve, the front end of the probe pipe is provided with a metal probe through a mounting seat, the mounting seat consists of a functional part fixed at the front end of the probe pipe and a connecting part extending out of the front end of the probe pipe, and the connecting part is in threaded connection with the metal probe; a temperature detection conduit and a thawing conduit are arranged in the probe tube, a temperature sensor capable of monitoring the temperature of the functional part is arranged at the front end of the temperature detection conduit, and an electric heater capable of heating the functional part is arranged at the front end of the thawing conduit; the display screen is arranged on the handle. The cryosurgical device can display the temperature of the metal probe in real time through the display screen, so that medical staff can know the temperature of the metal probe during freezing and thawing, the medical staff can perform accurate treatment conveniently, medical accidents are avoided, the treatment effect is improved, and the safety of patients is ensured.

Description

Cryosurgery device with temperature display function

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a cryosurgical device with a temperature display function.

Background

Cryotherapy or cryosurgery is widely used in various clinical departments, such as dermatology, obstetrics and gynecology, stomatology, ophthalmology, otorhinolaryngology, oncology, and the like, and can be used for treating various superficial neoplasms, hemangiomas and certain benign and malignant tumors. The freezing shell device comprises a storage tank for storing the refrigerant, an operation end for controlling the release of the refrigerant and a metal probe for releasing the refrigerant.

The refrigeration medical treatment is widely applied to gynecology and becomes a novel treatment method for cervical lesions. The cervical freezing treatment is to make local lesion tissue pass through 2 times of freezing and intermediate 1 time of thawing by using refrigerant, so that the tissue is necrotized or denatured and then falls off, and then the therapeutic purpose is achieved through tissue repair. The cryotherapy does not harm the elasticity of the cervix, does not produce scars and does not influence the fertility.

When the cervix is subjected to cryotherapy, the temperature of the metal probe is 60 ℃ below zero, medical staff cannot know the specific temperature of the metal probe, and can only roughly judge the temperature of the metal probe according to the frosting condition of the surface of the metal probe, so that the phenomenon of over-short or over-long cryotherapy time is easy to occur, the therapy accuracy is insufficient, and the therapy effect is influenced; when thawing, if the thawing is accelerated by an electric heating mode, the situation that the patient is scalded due to overhigh temperature of the metal probe caused by overlong thawing time can occur, medical accidents are easy to occur, and the health of the patient is endangered.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and designs a cryosurgical device with a temperature display function.

The technical scheme of the utility model is that the cryosurgical device with the temperature display function comprises a handle, wherein the handle is connected with a hose and a probe pipe, the hose is communicated with the probe pipe, the other end of the hose is provided with a pressure reducing valve, the front end of the probe pipe is provided with a metal probe through a mounting seat, and a cavity for communicating the probe pipe with the metal probe is arranged in the mounting seat; the mounting seat consists of a functional part fixed at the front end of the probe tube and a connecting part extending out of the front end of the probe tube, and the connecting part is in threaded connection with the metal probe; the temperature detection catheter and the unfreezing catheter are arranged in the probe tube, the front ends of the temperature detection catheter and the unfreezing catheter are fixedly connected with the functional part in a sealing mode, the front end of the temperature detection catheter is provided with a temperature sensor, the temperature sensor is attached to the surface of the functional part and used for detecting the surface temperature of the functional part, and the front end of the unfreezing catheter is provided with an electric heater used for heating the functional part; the display screen is installed on the handle, the microprocessor module and the battery module are installed in the handle, and the temperature sensor, the electric heater, the display screen and the battery module are all electrically connected with the microprocessor module.

Furthermore, the hose is provided with a low-temperature electromagnetic valve, and the handle is provided with an air inlet switch, an air cut-off switch, a thawing switch and a power switch; the low-temperature electromagnetic valve, the battery module, the air inlet switch, the air cut-off switch, the unfreezing switch and the power switch are all electrically connected with the microprocessor module. The air inlet switch controls the low-temperature electromagnetic valve to be opened, so that air is introduced to perform freezing, the air cut-off switch controls the low-temperature electromagnetic valve to be closed, so that air is cut off, freezing is stopped, the unfreezing switch controls the electric heater to be started, the metal probe is indirectly heated by heating the mounting seat to unfreeze, the unfreezing switch is pressed down in the state that the low-temperature electromagnetic valve is opened, the microprocessor module controls the low-temperature electromagnetic valve to be closed firstly, then the electric heater is started, and the power switch controls the power on and the power off.

Furthermore, the handle comprises a holding part and a main control part, the air inlet switch, the air cut-off switch, the unfreezing switch and the power switch are all installed on the holding part, the microprocessor module and the battery module are installed in the main control part, and the display screen is installed at the top end or the side wall of the functional part.

Furthermore, the air inlet switch, the air cut-off switch and the power switch are all touch switches. The air inlet switch, the air cut-off switch and the power switch are touched lightly, so that the air inlet switch, the air cut-off switch and the power on and off can be controlled.

Furthermore, a sealing ring is sleeved on the connecting part, and the metal probe is connected with the mounting seat in a sealing mode through the sealing ring. When the metal probe is in threaded connection with the connecting part, the sealing ring is pressed tightly, so that the joint of the sealing ring and the mounting seat can be sealed.

Furthermore, one end of the functional part, which faces away from the metal probe, is provided with a first groove and a second groove, the front end of the temperature detection conduit is fixedly arranged in the first groove, and the front end of the thawing conduit is fixedly arranged in the second groove.

Furthermore, the mounting seat is made of copper. The metal probe is also made of copper, the mounting seat and the metal probe are made of the same material and are made of copper, the heat conductivity coefficient of copper is high, the mounting seat is made of copper materials, the heat conductivity of the mounting seat and the heat conductivity of the metal probe are the same, the temperature of the mounting seat can be approximately the same as that of the metal probe, and the temperature of the metal probe can be monitored conveniently.

Furthermore, the pressure reducing valve is provided with an air inlet connector and an air outlet connector, and the pressure reducing valve is provided with a barometer. The air inlet connector is used for connecting a carbon dioxide storage tank, and the pressure gauge can monitor the pressure of the carbon dioxide storage tank.

The utility model has the beneficial effects that: but temperature sensor real-time supervision metal probe's temperature, electric heater can unfreeze metal probe fast, can show metal probe's temperature in real time through the display screen, and the medical staff of being convenient for learns the temperature of freezing and metal probe when unfreezing, and the medical staff's of being convenient for precision treatment avoids appearing the medical accident, improves treatment, guarantees patient's safety.

Drawings

FIG. 1 is a schematic view of the cryosurgical device of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a cross-sectional view taken along line B-B in FIG. 2

FIG. 4 is a cross-sectional view of the mount;

FIG. 5 is a side view of the mount;

FIG. 6 is a block diagram of the architecture of the present invention;

in the figure, 1, a handle; 2. a hose; 3. a probe tube; 4. a pressure reducing valve; 5. a mounting seat; 6. a metal probe; 7. a functional section; 8. a connecting portion; 9. a temperature sensing conduit; 10. thawing the catheter; 11. a temperature sensor; 12. an electric heater; 13. a display screen; 14. a microprocessor module; 15. a battery module; 16. a low temperature solenoid valve; 17. an air inlet switch; 18. a gas cut-off switch; 19. a thawing switch; 20. a power switch; 21. a grip portion; 22. a main control part; 23. a seal ring; 24. a first groove; 25. a second groove; 26. an air inlet joint; 27. an exhaust joint; 28. a barometer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" in the present invention do not denote any particular quantity or order, but rather are used to distinguish one name from another.

In one embodiment, please refer to FIGS. 1-6: a cryosurgery device with a temperature display function comprises a handle 1, wherein the handle 1 is connected with a hose 2 and a probe tube 3, the hose 2 is communicated with the probe tube 3, a pressure reducing valve 4 is installed at the other end of the hose 2, a metal probe 6 is installed at the front end of the probe tube 3 through an installation seat 5, a cavity communicated with the probe tube 3 and the metal probe 6 is arranged in the installation seat 5, and low-temperature carbon dioxide liquid serving as a refrigerant is conveyed to the installation seat 5 and the metal probe 6 through the hose 2 by the probe tube 3; the mounting seat 5 consists of a functional part 7 fixed at the front end of the probe tube 3 and a connecting part 8 extending out of the front end of the probe tube 3, and the connecting part 8 is in threaded connection with the metal probe 6; a temperature detection conduit 9 and a thawing conduit 10 are arranged in the probe tube 3, the front ends of the temperature detection conduit 9 and the thawing conduit 10 are fixedly connected with the functional part 7 in a sealing way, a temperature sensor 11 is arranged at the front end of the temperature detection conduit 9, the temperature sensor 11 is attached to the surface of the functional part 7 and is used for detecting the surface temperature of the functional part 7, an electric heater 12 for heating the functional part 7 is arranged at the front end of the thawing conduit 10, and the thawing conduit 10 can be made of a polytetrafluoroethylene tube, can resist the high temperature heated by the electric heater 12 and can be normally used in a low-temperature environment; a display screen 13 is installed on the handle 1, a microprocessor module 14 and a battery module 15 are installed in the handle 1, and the temperature sensor 11, the electric heater 12, the display screen 13 and the battery module 15 are all electrically connected with the microprocessor module 14. The microprocessor module 14 is a 51-chip microcomputer, the battery module 15 is a lithium battery, the battery module 15 supplies power for the microprocessor module 14, the temperature sensor 11 and the electric heater 12, the rear ends of the temperature detection conduit 9 and the thawing conduit 10 extend out of the probe tube 3 and enter the handle 1, a lead of the temperature sensor 11 extends out of the rear end of the temperature detection conduit 9 and is connected with the microprocessor module 14, and a lead of the electric heater 12 extends out of the rear end of the thawing conduit 10 and is connected with the microprocessor module 14.

The hose 2 is provided with a low-temperature electromagnetic valve 16, and the handle 1 is provided with an air inlet switch 17, an air cut-off switch 18, a thawing switch 19 and a power switch 20; the low-temperature electromagnetic valve 16, the battery module 15, the air inlet switch 17, the air cut-off switch 18, the unfreezing switch 19 and the power switch 20 are all electrically connected with the microprocessor module 14. The microprocessor module 14 is electrically connected to the low temperature solenoid valve 16 via a wire. The air inlet switch 17 controls the low-temperature electromagnetic valve 16 to be opened, so that air is introduced for freezing, the air cut-off switch 18 controls the low-temperature electromagnetic valve 16 to be closed, so that air is cut off, freezing is stopped, the unfreezing switch 19 controls the electric heater 12 to be started, the metal probe 6 is heated indirectly by heating the mounting seat 5 for unfreezing, the unfreezing switch 19 is pressed under the state that the low-temperature electromagnetic valve 16 is opened, the microprocessor module 14 controls the low-temperature electromagnetic valve 16 to be closed firstly, then the electric heater 12 is started, and the power switch 20 controls the power on and off. The low-temperature electromagnetic valve 16 is a carbon dioxide low-temperature electromagnetic valve 16, and the low-temperature electromagnetic valve 16 is used for opening and closing the hose 2 so as to control the delivery of carbon dioxide.

The handle 1 is composed of a holding part 21 and a main control part 22, the air inlet switch 17, the air cut-off switch 18, the unfreezing switch 19 and the power switch 20 are all installed on the holding part 21, the microprocessor module 14 and the battery module 15 are installed in the main control part 22, the display screen 13 is installed at the top end of the function part 7, and in other embodiments, the display screen 13 can be installed on the side wall of the function part 7. The air inlet switch 17, the air cut-off switch 18, the defrosting switch 19 and the power switch 20 are positioned at the middle lower part of the holding part 21, when the holding part 21 is held by hands in a natural state, the thumb is positioned at the middle upper part of the holding part 21, and the air inlet switch 17, the air cut-off switch 18, the defrosting switch 19 and the power switch 20 cannot be touched by mistake.

The air inlet switch 17, the air cut-off switch 18 and the power switch 20 are all touch switches. The air inlet switch 17, the air cut-off switch 18 and the power switch 20 are touched lightly, so that the air inlet and cut-off switch 18 can be controlled to be switched on and off.

The connecting part 8 is sleeved with a sealing ring 23, and the metal probe 6 is hermetically connected with the mounting seat 5 through the sealing ring 23. When the metal probe 6 is in threaded connection with the connecting part 8, the sealing ring 23 is pressed tightly, so that the connection part between the metal probe and the mounting seat 5 can be sealed.

The end of the functional part 7, which faces away from the metal probe 6, is provided with a first groove 24 and a second groove 25, the front end of the temperature detection conduit 9 is fixedly arranged in the first groove 24, and the front end of the thawing conduit 10 is fixedly arranged in the second groove 25.

The mounting seat 5 is made of copper. The mount pad 5 is the same with the 6 materials of metal probe, is copper, and the coefficient of heat conductivity of copper is high, and the mount pad 5 chooses for use the copper material to make, can be so that the temperature of mount pad 5 is roughly the same with the temperature of metal probe 6, the temperature of metal probe 6.

The pressure reducing valve 4 is provided with an air inlet joint 26 and an air outlet joint 27, and the pressure reducing valve 4 is provided with a barometer 28. The air inlet joint 26 is used for connecting a carbon dioxide storage tank, and the carbon dioxide storage tank is used for storing carbon dioxide liquid serving as a refrigerant; the exhaust joint 27 can be connected with an exhaust pipe, and the exhaust joint 27 is used for exhaust and pressure stabilization; the barometer 28 may monitor the carbon dioxide tank pressure.

The working principle of the utility model is as follows: when the handle 1 is held by hands, the metal probe 6 is moved to a cervical lesion, the thumb can conveniently touch the air inlet switch 17, the air inlet switch 17 sends a signal to the microprocessor module 14, the timing module starts timing, the cryotherapy starts, meanwhile, the microprocessor module 14 controls the low-temperature electromagnetic valve 16 to be opened, the hose 2 forms a passage, the carbon dioxide gas cylinder outputs carbon dioxide refrigerant, the hose 2 conveys the refrigerant to the probe tube 3, the mounting seat 5 and the metal probe 6 after the pressure is reduced and stabilized by the pressure reducing valve 4, the carbon dioxide refrigerant is released at the metal probe 6, and the temperature of the metal probe 6 is rapidly reduced to about minus 60 ℃ by gasification heat absorption, so that tissues are necrotic or denatured and fall off; the metal probe 6 transmits the temperature to the mounting base 5 through heat conduction, the temperature sensor 11 monitors the temperature of the mounting base 5 in real time, the approximate temperature of the metal probe 6 can be indirectly detected through the temperature detection of the temperature sensor 11 on the mounting base 5, an error compensation system is preset in the microprocessing module, the error between the temperature of the mounting base 5 and the temperature of the metal probe 6 is measured through experiments, a compensation value is obtained and is substituted into the error compensation system, the actual accurate temperature of the metal probe 6 can be accurately obtained, the specific temperature is displayed on the display screen 13, and the observation and diagnosis of medical staff are facilitated;

when the treatment time of 3 minutes of first freezing is reached, medical staff touches the air cut-off switch 18, the air cut-off switch 18 sends an air cut-off signal to the microprocessor module 14, the microprocessor module 14 controls the low-temperature electromagnetic valve 16 to be closed, then the unfreezing switch 19 is pressed, or the unfreezing switch 19 is directly pressed, the unfreezing signal is sent to the microprocessor module 14, the microprocessor module 14 controls the low-temperature electromagnetic valve 16 to be closed, the electric heater 12 is started, the electric heater 12 heats the mounting seat 5, the metal probe 6 is indirectly heated through the heat conduction of the mounting seat 5, so that the temperature of the metal probe 6 is reduced, the metal probe 6 is quickly unfrozen, and similarly, the temperature of the mounting seat 5 during unfreezing is detected through the temperature sensor 11, the temperature of the metal probe 6 is further detected, and the actual accurate temperature of the metal probe 6 can be obtained through an error compensation system, the real-time temperature is displayed through the display screen 13, so that the phenomenon that the thawing time is insufficient due to inaccurate control of the heating time or the metal probe 6 is overheated due to overlong thawing time is avoided; stopping for 5 minutes after thawing, and performing second freezing treatment; after the treatment is finished, the power switch 20 is pressed down to turn off the power supply.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. A cryosurgery device with a temperature display function comprises a handle (1), wherein the handle (1) is connected with a hose (2) and a probe tube (3), the hose (2) is communicated with the probe tube (3), and a pressure reducing valve (4) is arranged at the other end of the hose (2), and is characterized in that a metal probe (6) is arranged at the front end of the probe tube (3) through a mounting seat (5), and a cavity for communicating the probe tube (3) with the metal probe (6) is arranged in the mounting seat (5); the mounting seat (5) is composed of a functional part (7) fixed at the front end of the probe tube (3) and a connecting part (8) extending out of the front end of the probe tube (3), and the connecting part (8) is in threaded connection with the metal probe (6); a temperature detection conduit (9) and a thawing conduit (10) are arranged in the probe tube (3), the front ends of the temperature detection conduit (9) and the thawing conduit (10) are fixedly connected with the functional part (7) in a sealing way, a temperature sensor (11) is arranged at the front end of the temperature detection conduit (9), the temperature sensor (11) is attached to the surface of the functional part (7) and is used for detecting the surface temperature of the functional part (7), and an electric heater (12) used for heating the functional part (7) is arranged at the front end of the thawing conduit (10); a display screen (13) is installed on the handle (1), a microprocessor module (14) and a battery module (15) are installed in the handle (1), and the temperature sensor (11), the electric heater (12), the display screen (13) and the battery module (15) are all electrically connected with the microprocessor module (14).

2. The cryosurgical device with temperature display function according to claim 1, wherein the hose (2) is provided with a low temperature solenoid valve (16), and the handle (1) is provided with an air inlet switch (17), an air cut-off switch (18), a thawing switch (19) and a power switch (20); the low-temperature electromagnetic valve (16), the air inlet switch (17), the air cut-off switch (18), the unfreezing switch (19) and the power switch (20) are all electrically connected with the microprocessor module (14).

3. The cryosurgical device with temperature display function according to claim 2, wherein the handle (1) is composed of a holding part (21) and a main control part (22), the air inlet switch (17), the air cut-off switch (18), the thawing switch (19) and the power switch (20) are all arranged on the holding part (21), the microprocessor module (14) and the battery module (15) are arranged in the main control part (22), and the display screen (13) is arranged on the top end or the side wall of the function part (7).

4. Cryosurgical device with temperature display according to claim 2, characterized in that the air inlet switch (17), the air outlet switch (18) and the power switch (20) are touch switches.

5. Cryosurgical device with temperature display according to claim 1, wherein the connection part (8) is fitted with a sealing ring (23), and the metal probe (6) is sealingly connected to the mounting seat (5) via the sealing ring (23).

6. The cryosurgical device with temperature display function according to claim 1, wherein the end of the functional part (7) facing away from the metal probe (6) is provided with a first recess (24) and a second recess (25), the front end of the temperature detection conduit (9) is fixedly arranged in the first recess (24), and the front end of the thawing conduit (10) is fixedly arranged in the second recess (25).

7. Cryosurgical device according to claim 1, characterized in that the mounting base (5) is made of copper.

8. Cryosurgical device with temperature display according to claim 1, characterized in that the pressure reducing valve (4) is provided with an inlet connection (26) and an outlet connection (27), and the pressure reducing valve (4) is provided with a pressure gauge (28).