CN108403207B - Liquid nitrogen treatment auxiliary device for general surgery department - Google Patents
Liquid nitrogen treatment auxiliary device for general surgery department Download PDFInfo
- Publication number
- CN108403207B CN108403207B CN201810361489.3A CN201810361489A CN108403207B CN 108403207 B CN108403207 B CN 108403207B CN 201810361489 A CN201810361489 A CN 201810361489A CN 108403207 B CN108403207 B CN 108403207B
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- liquid
- liquid nitrogen
- pipe
- bearing disc
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M35/00—Devices for applying media, e.g. remedies, on the human body
- A61M35/003—Portable hand-held applicators having means for dispensing or spreading integral media
Abstract
The invention discloses a liquid nitrogen treatment auxiliary device for general surgery department, and relates to the technical field of medical instruments. It comprises an adjusting device and a main shaft rod; the mounting disc is provided with a coating liquid protection device; the bearing disc is arranged on a power device; the liquid coating protection device comprises an annular liquid supply hose and an annular liquid return hose; liquid outlet pipes are arranged in the mounting holes; the through holes are internally provided with a return suction pipe in a sliding way; the adjusting device comprises a transparent conical adjusting cap; the power device comprises a C-shaped bracket; the side surface of the bearing disc is provided with a guide groove along the ring shape; the front part of the lower end of the handle is provided with a driving motor; the output end of the driving motor is provided with a rubber wheel; the end face of the rubber wheel is in friction contact with the side face of the bearing disc. The invention has the beneficial effects that: can realize quick even liquid nitrogen and paint, to the recovery that unnecessary liquid nitrogen can be timely, reduce the injury of liquid nitrogen, convenient operation is swift, and the security is high.
Description
Technical Field
The invention relates to the technical field of medical instruments.
Background
In general surgery, when some hyperplastic tissues or pathological tissues of a human body are treated, a liquid nitrogen freezing treatment mode is sometimes adopted, and low temperature of liquid nitrogen is utilized to freeze and die pathological cells and good tissue cells in a small range so as to be finally shed. Generally when treating with the liquid nitrogen, medical personnel utilize the cotton swab to carry out comprehensive paining to pathological change tissue, because of lacking safeguard measure and liquid nitrogen irreversible injury nature, for preventing too much good tissue damage on every side, then very carefully slow speed when paining, can only utilize the cotton swab to dip in and get a small amount of liquid nitrogen and carry out the paining of subregion at every turn, can't carry out a large amount of quick paining, and need operate repeatedly, complex operation, inefficiency, waste time and energy, and the security is still lower.
Disclosure of Invention
The invention aims to solve the technical problem and provides a liquid nitrogen treatment auxiliary device for general surgery aiming at the technical defects. Can realize quick even liquid nitrogen and paint, to the recovery that unnecessary liquid nitrogen can be timely, reduce the injury of liquid nitrogen, convenient operation is swift, and the security is high.
The technical scheme adopted by the invention is as follows: the utility model provides a liquid nitrogen treatment auxiliary device for general surgery department, which comprises an adjusting device and a main shaft rod; the upper part of the main shaft rod is sleeved with an annular bearing disc, and the bearing disc is fixedly connected with the side surface of the main shaft rod through a supporting rod; the upper end of the bearing disc is provided with a liquid supply box and a recovery box; the lower part of the main shaft rod is fixedly sleeved and connected with a mounting disc; the mounting disc is provided with a coating liquid protection device; the bearing disc is arranged on a power device;
the liquid coating protection device comprises an annular liquid supply hose and an annular liquid return hose; mounting holes are uniformly formed in the mounting disc along the ring shape; through holes corresponding to the mounting holes one by one are formed in the mounting disc at the periphery of the mounting holes; liquid outlet pipes are arranged in the mounting holes; the side surface of the upper part of the liquid outlet pipe is rotatably installed with the installation hole through a damping rotating shaft, and the rotating direction is the same as the radial direction of the installation disc; the through holes are internally provided with a return suction pipe in a sliding way; the upper part of the straw is sleeved with an annular limiting ring; the outer side of the upper end of the straw return is fixedly connected with a counterweight ring, and the diameter of the counterweight ring is larger than that of the limiting ring; the side surface of the limiting ring is fixedly connected with a regulating plate; the middle part of the regulating plate is provided with a chute; the liquid outlet pipe is connected with the corresponding sliding chute in a sliding way; the upper end ports of the liquid outlet pipes are communicated with the liquid supply hose; the liquid supply hose is communicated with a liquid supply pipe; the top end port of the liquid supply pipe is communicated with the lower part of the liquid supply tank; the upper end ports of the return suction pipes are communicated with the liquid return hose; the liquid return hose is communicated with a siphon; the upper end port of the siphon is communicated with the recovery tank; the side of the siphon is communicated with a drainage tube; the other end of the drainage tube is communicated with the output end of an exhaust pump, and the air outlet direction of the drainage tube points to the upper part; the exhaust pump is arranged at the upper end of the bearing disc;
the adjusting device comprises a transparent conical adjusting cap; the adjusting cap can be buckled above the bearing plate;
the power device comprises a C-shaped bracket; the left end and the right end of the gap of the bracket are both fixed with arc-shaped guide strips; the side surface of the bearing disc is provided with a guide groove along the ring shape; the guide groove is connected with the guide strip in a sliding manner; the middle part of the rear end of the bracket is fixedly connected with a handle; the front part of the lower end of the handle is provided with a driving motor; the output end of the driving motor is provided with a rubber wheel; the end face of the rubber wheel is in friction contact with the side face of the bearing disc.
Further optimizes the technical proposal that the end port of the liquid outlet pipe of the liquid nitrogen treatment auxiliary device in general surgery department and the end port of the suction pipe are both fixedly connected with absorbent cotton.
Further optimize this technical scheme, department of general surgery's liquid nitrogen treatment auxiliary device's regulation cap is divided into upper and lower two parts, and the upper portion is the conical shape, and the lower part is round platform shape, and upper and lower two parts are through the plug connection.
Further optimizing the technical scheme, the lower end of a main shaft rod of the liquid nitrogen treatment auxiliary device in general surgery department is provided with an infrared temperature measurement module; an indicator light is arranged at the upper end of the main shaft rod; the signal output end of the infrared temperature measurement module is connected with the control circuit of the indicator light through the processor.
Further optimize this technical scheme, department of general surgery's liquid nitrogen treatment auxiliary device's regulation cap side is provided with the scale mark along the generating line direction.
Further optimize this technical scheme, the liquid feed pipe, the liquid supply hose, the drain pipe, the straw that returns, the liquid return hose, the siphon of department of general surgery's liquid nitrogen treatment auxiliary device all adopt the polyimide material.
The invention has the beneficial effects that:
1. the liquid coating protection device can realize quick and safe liquid nitrogen coating, and can absorb liquid nitrogen flowing out of the periphery by utilizing the siphon principle, thereby ensuring that human tissues outside the coating range are not damaged by the liquid nitrogen.
In the liquid coating protection device, a coating pipeline formed by a liquid supply box, a liquid supply pipe, a liquid supply hose and a liquid outlet pipe is utilized, so that liquid nitrogen can be quickly coated on an affected part; the siphon principle is utilized, the exhaust pump can be protected, the service life is ensured, the exhaust pump is used as power, the return suction pipe, the return liquid hose, the siphon pipe and the recovery box form a protective recovery pipeline, the flowing redundant liquid nitrogen is recovered, the liquid nitrogen which is not evaporated flows to a position outside the medicine coating range, and the coating and recovery are mutually matched, so that the coating amount and speed of the liquid nitrogen can be improved on the premise of safety, and the siphon device is quick, convenient and safer;
the connection between the suction pipe and the liquid outlet pipe can be realized through the limiting ring and the regulating plate, the suction pipe can be synchronously regulated and changed along with the liquid outlet pipe, the regulation is more convenient, and the suction pipe is ensured to be arranged at the periphery of the liquid outlet pipe; through the sliding connection of drain pipe and spout, can change the interval between straw and the drain pipe upper end, with the help of the supplementary restriction of mounting hole and through-hole, can adjust the interval that changes between drain pipe and the straw end to the flowable scope of liquid nitrogen is adjusted in the change, and the demand of scribbling the area according to the reality is regulated and control, and it is safe convenient more to use. The suckback pipe is in sliding fit with the limiting ring, the diameter of the limiting ring is larger than that of the suckback pipe, the suckback pipe can be attached to the smearing position in a self-adaptive manner by gravity, and stable contact suckback is realized;
the adjusting device can realize the adjustment of smearing the covering area of the liquid smearing protection device, change the circular size surrounded by the tail end of the liquid outlet pipe, better adapt to different smearing areas and smear more quickly and orderly. By utilizing the characteristics that the diameters of different positions of the conical adjusting cap are different and the conical adjusting cap is close to linear change along the bus direction, the gathering or expansion of the tail end of the liquid outlet pipe can be realized inside and outside the adjusting cap respectively, the adjustment is quicker and more convenient, the diameter size of a circle surrounded by the adjustment and the control can be changed, the diameter-variable adjustment is realized, and the rotation resistance of the rotating installation position of the liquid outlet pipe can be positioned;
power device can drive and scribble liquid protector and adjusting device and carry out holistic slow rotation to realize the terminal rotation of drain pipe, through rotating, can guarantee the sufficient coverage of directly scribbling, scribble more quick even, the setting of reducible drain pipe quantity simultaneously. The guide strip plays a role in supporting and guiding, and the driving motor can drive the bearing disc to rotate circumferentially through the friction between the rubber wheel and the bearing disc;
2. the arrangement of the absorbent cotton at the tail end of the liquid outlet pipe can play a role in buffering, the smearing is more uniform, the coverage area of the absorbent cotton at the tail end of the suction pipe can be increased, the flowing liquid medicine is firstly sucked into the absorbent cotton and then is recovered or evaporated through the protective recovery pipeline, and the peripheral tissues are prevented from being injured;
3. utilize the inboard effect of gathering together and outside expansion respectively to make the execution that the drain pipe encloses diminish or grow, will adjust the cap and divide into upper and lower two parts, can be more convenient use, reduce the interference of the part that does not do work.
4. The infrared temperature measurement module can detect the temperature of the tissue of the medicine application area so as to assist medical personnel in judging the treatment condition of liquid nitrogen, and the indicator lamp can play a role in prompting the state;
5. the side surface of the adjusting cap is provided with scale marks, so that an adjusting prompt effect can be achieved, and the accuracy of reducing adjustment is improved;
6. the polyimide material is low temperature resistant, can not be brittle failure in liquid nitrogen for a long time, still keeps soft toughness, can meet the use requirement of the invention, and simultaneously, when the diameter-changing adjustment is carried out, the liquid supply hose and the liquid return hose can be adaptively adjusted in a self-telescopic bending manner.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the structure of FIG. 1;
FIG. 3 is a schematic view of a portion of the power plant;
FIG. 4 is a schematic view of the structure of the coating solution protection device;
FIG. 5 is a schematic view of a portion of the structure of FIG. 4 (with the piping removed);
FIG. 6 is a schematic structural view of the adjustment plate in use;
FIG. 7 is a schematic view of the adjustment cap in a disassembled configuration;
FIG. 8 is a schematic structural view of the adjustment cap in use;
FIG. 9 is a block diagram of the logic circuit of the present invention;
in the figure, 1, a main shaft; 2. a carrier tray; 3. a strut; 4. a liquid supply tank; 5. a recycling bin; 6. mounting a disc; 7. a liquid supply hose; 8. a liquid return hose; 9. mounting holes; 10. a through hole; 11. a liquid outlet pipe; 12. a straw return pipe; 13. a counterweight ring; 14. a limiting ring; 15. a control panel; 16. a chute; 17. a liquid supply tube; 18. a siphon tube; 19. a drainage tube; 20. an exhaust pump; 21. an adjusting cap; 22. a support; 23. a guide strip; 24. a guide groove; 25. a handle; 26. a drive motor; 27. a rubber wheel; 28. cotton wool; 29. an infrared temperature measurement module; 30. an indicator light; 31. scale lines are marked.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-9, the liquid nitrogen treatment auxiliary device for general surgery department comprises an adjusting device, a main shaft rod 1; the upper part of the main shaft rod 1 is sleeved with an annular bearing disc 2, and the bearing disc 2 is fixedly connected with the side surface of the main shaft rod 1 through a support rod 3; the upper end of the bearing plate 2 is provided with a liquid supply tank 4 and a recovery tank 5; the lower part of the main shaft rod 1 is fixedly sleeved and connected with a mounting disc 6; the mounting plate 6 is provided with a coating liquid protection device; the bearing disc 2 is arranged on a power device; the liquid coating protection device comprises an annular liquid supply hose 7 and an annular liquid return hose 8; mounting holes 9 are uniformly formed in the mounting disc 6 along the annular shape; through holes 10 corresponding to the mounting holes 9 one by one are formed on the mounting plate 6 at the periphery of the mounting holes 9; liquid outlet pipes 11 are arranged in the mounting holes 9; the side surface of the upper part of the liquid outlet pipe 11 is rotatably installed with the installation hole 9 through a damping rotating shaft, and the rotating direction is the same as the radial direction of the installation disc 6; the through holes 10 are internally provided with return suction pipes 12 in a sliding way; the upper part of the suction pipe 12 is sleeved with an annular limiting ring 14; the outer side of the upper end of the suction pipe 12 is fixedly connected with a counterweight ring 13, and the diameter of the counterweight ring 13 is larger than that of the limiting ring 14; the side surface of the limit ring 14 is fixedly connected with a regulating plate 15; the middle part of the regulating plate 15 is provided with a chute 16; the liquid outlet pipe 11 is connected with the corresponding chute 16 in a sliding way; the upper end ports of the liquid outlet pipes 11 are communicated with the liquid supply hose 7; the liquid supply hose 7 is communicated with a liquid supply pipe 17; the top end port of the liquid supply pipe 17 is communicated with the lower part of the liquid supply tank 4; the upper end ports of the return suction pipes 12 are communicated with the liquid return hose 8; the liquid return hose 8 is communicated with a siphon 18; the upper end port of the siphon 18 is communicated with the recovery tank 5; the side of the siphon 18 is communicated with a drainage tube 19; the other end of the drainage tube 19 is communicated with the output end of an exhaust pump 20, and the air outlet direction of the drainage tube 19 points upwards; the exhaust pump 20 is arranged at the upper end of the bearing plate 2; the adjusting device comprises a transparent conical adjusting cap 21; the adjusting cap 21 can be buckled above the bearing plate 2; the power device comprises a C-shaped bracket 22; the left end and the right end of the notch of the bracket 22 are both fixed with arc-shaped guide strips 23; the side surface of the bearing disc 2 is provided with a guide groove 24 along the ring shape; the guide groove 24 is connected with the guide strip 23 in a sliding way; the middle part of the rear end of the bracket 22 is fixedly connected with a handle 25; a driving motor 26 is arranged at the front part of the lower end of the handle 25; the output end of the driving motor 26 is provided with a rubber wheel 27; the end surface of the rubber wheel 27 is in friction contact with the side surface of the bearing disc 2; the end port of the liquid outlet pipe 11 and the end port of the suction pipe 12 are fixedly connected with absorbent cotton 28; the adjusting cap 21 is divided into an upper part and a lower part, the upper part is conical, the lower part is in a round table shape, and the upper part and the lower part are connected through insertion; the lower end of the main shaft rod 1 is provided with an infrared temperature measuring module 29; an indicator lamp 30 is arranged at the upper end of the main shaft rod 1; the signal output end of the infrared temperature measuring module 29 is connected with the control circuit of the indicator light 30 through the processor; the side surface of the adjusting cap 21 is provided with scale marks 31 along the direction of a bus; the liquid supply pipe 17, the liquid supply hose 7, the liquid outlet pipe 11, the liquid return pipe 12, the liquid return hose 8 and the siphon pipe 18 are all made of polyimide materials.
As shown in figures 6-8, when the invention is used, firstly, the diameter-changing adjustment is carried out by using the adjusting device to adapt to the size of the smearing area. The smearing diameter is determined according to the smearing area, if the diameter is smaller, the lower end of the liquid outlet pipe 11 is folded inwards by utilizing the effect of gathering the inner side of the adjusting cap 21 and is buckled from the lower part, and the diameter of a circle surrounded by the tail end of the liquid outlet pipe 11 is reduced, so that the smearing diameter is suitable for smearing the area of a small area; on the contrary, when the area to be coated is large, the adjusting cap 21 is inserted from below by utilizing the expanding effect of the outer side surface of the adjusting cap 21, the tail end of the liquid outlet pipe 11 is attached to the outer side surface of the adjusting cap 21 and moves outwards, the formed diameter is enlarged, and the liquid outlet pipe is suitable for coating the area of a large area. When controlling and adjusting the liquid outlet pipe 11, the suction pipe 12 moves and changes along with the liquid outlet pipe 11, and the distance between the suction pipe 12 and the liquid outlet pipe 11 can be adjusted through the connecting position of the adjusting and controlling plate 15 and the liquid outlet pipe 11. The positioning of the liquid outlet pipe 11 can be realized by the friction resistance of the upper part of the liquid outlet pipe 11 and the rotation connection of the mounting hole 9. The size of the diameter is adjusted, the adjusting cap 21 is marked according to the actual coating area diameter, and the tail end of the liquid outlet pipe 11 reaches the marking position.
As shown in fig. 4, after the adjustment is completed according to the actual application region (the application region may be slightly larger than the lesion tissue), when the liquid nitrogen application is performed on the lesion tissue by the liquid application protection device, the liquid nitrogen is poured into the liquid supply tank 4, flows out from each liquid outlet pipe 11 through the diversion of the liquid supply hose 7, and is applied to the lesion tissue region, and the liquid nitrogen evaporates and absorbs heat rapidly. The focus tissue cells are frozen to death, and the recovery protection of the return suction pipe 12 is matched, so that the liquid nitrogen can be supplied and smeared in a proper excess amount to improve smearing speed and cooling speed, and when the excess liquid nitrogen flows out of the focus tissue, the excess liquid nitrogen can be sucked by the return suction pipe 12 outside the range of allowable flow (outside a spacing area between the return suction pipe 12 and the liquid outlet pipe 11). And starting the exhaust pump 20, blowing exhaust gas of the exhaust pump 20 to the recovery tank 5 to form siphon, sucking nearby redundant liquid nitrogen by negative pressure at the tail end port of the return suction pipe 12, and preventing the liquid nitrogen from continuously flowing out to normal tissues of a human body which do not need to be frozen. Under environmental influence, the liquid nitrogen may not be recycled to the recovery tank 5 and has been evaporated during the suck-back protection.
As shown in fig. 6 and 8, in the adjusting process, the end position of the liquid outlet tube 11 is matched with the surface of the lesion tissue, the suction back tube 12 can automatically fit with the surface by gravity, the gravity effect can be improved by the arrangement of the weight ring 13, and the suction back tube 12 is prevented from being separated from the limit ring 14. Adjust cap 21 and divide into two parts about, generally when doing the gathering effect, the toper part on upper portion can be realized, the round platform part of lower part then probably causes the interference this moment, equally, when generally when doing the expansion effect, the round platform part of lower part can be realized, consequently will adjust cap 21 and divide into two parts about, the split is used more conveniently, when becoming footpath or path grow footpath from big footpath, then need adjust cap 21 whole use can be convenient enough realization adjust the gathering or the expansion of scope.
When the lesion tissue is small, a certain number of liquid outlet pipes 11 can cover the whole surface, and the coating requirements can be met through the coating fluidity and heat conduction; when the coating area is large, or the number of the liquid outlet pipes 11 cannot realize perfect coverage, the whole rotation can be realized through the power device, the coating coverage area is met, and the liquid nitrogen coating is uniform, effective and quick. The driving motor 26 is started, the bearing disc 2 is driven to rotate through friction of the rubber wheel 27, the whole liquid coating protection device rotates slowly through the connection effect of the spindle rod 1, and the liquid outlet pipe 11 can directly cover the whole coating surface.
If the smearing area is large, when the covering of the central part and the peripheral part cannot be realized at one time, the covering area can be changed by utilizing the readjustment of the adjusting cap 21, and the comprehensive uniform direct smearing is realized. In order to adapt to the coating coverage with a smaller diameter, the number of the liquid outlet pipes 11 is small, when the diameter-changing adjustment is adapted to a larger diameter, the number of the liquid outlet pipes 11 cannot realize uniform coverage, and the uniform and direct coating can be realized by matching with the rotation driven by the power device.
The detection end of the infrared temperature measurement module 29 detects the temperature of the tissue, outputs a detection signal, is judged and processed by the processor, and displays different states by controlling the indicator lamp 30 through the processor.
Claims (6)
1. The utility model provides a department of general surgery liquid nitrogen treatment auxiliary device which characterized in that: comprises an adjusting device and a main shaft rod (1); the upper part of the main shaft rod (1) is sleeved with an annular bearing disc (2), and the bearing disc (2) is fixedly connected with the side surface of the main shaft rod (1) through a support rod (3); the upper end of the bearing disc (2) is provided with a liquid supply box (4) and a recovery box (5); the lower part of the main shaft rod (1) is fixedly sleeved and connected with a mounting disc (6); the mounting disc (6) is provided with a coating liquid protection device; the bearing disc (2) is arranged on a power device; the liquid coating protection device comprises an annular liquid supply hose (7) and an annular liquid return hose (8); mounting holes (9) are uniformly arranged on the mounting disc (6) along the ring shape; through holes (10) which correspond to the mounting holes (9) one by one are formed on the mounting disc (6) at the periphery of the mounting holes (9); liquid outlet pipes (11) are arranged in the mounting holes (9); the side surface of the upper part of the liquid outlet pipe (11) is rotatably installed with the installation hole (9) through a damping rotating shaft, and the rotating direction is the same as the radial direction of the installation disc (6); the through holes (10) are internally provided with return suction pipes (12) in a sliding way; the upper part of the straw (12) is sleeved with an annular limiting ring (14); the outer side of the upper end of the suction pipe (12) is fixedly connected with a counterweight ring (13), and the diameter of the counterweight ring (13) is larger than that of the limiting ring (14); the side surface of the limit ring (14) is fixedly connected with a regulating plate (15); the middle part of the regulating plate (15) is provided with a sliding chute (16); the liquid outlet pipe (11) is connected with the corresponding chute (16) in a sliding way; the upper end ports of the liquid outlet pipes (11) are communicated with the liquid supply hose (7); the liquid supply hose (7) is communicated with a liquid supply pipe (17); the top end port of the liquid supply pipe (17) is communicated with the lower part of the liquid supply box (4); the upper end ports of the return suction pipes (12) are communicated with the liquid return hose (8); the liquid return hose (8) is communicated with a siphon (18); the upper end port of the siphon (18) is communicated with the recovery tank (5); a drainage tube (19) is communicated with the side of the siphon tube (18); the other end of the drainage tube (19) is communicated with the output end of an exhaust pump (20), and the air outlet direction of the drainage tube (19) points upwards; the exhaust pump (20) is arranged at the upper end of the bearing disc (2); the adjusting device comprises a transparent conical adjusting cap (21); the adjusting cap (21) can be buckled above the bearing disc (2);
the power device comprises a C-shaped bracket (22); the left end and the right end of the gap of the bracket (22) are respectively fixed with an arc-shaped guide strip (23); the side surface of the bearing disc (2) is provided with a guide groove (24) along the ring shape; the guide groove (24) is connected with the guide strip (23) in a sliding way; the middle part of the rear end of the bracket (22) is fixedly connected with a handle (25); a driving motor (26) is arranged at the front part of the lower end of the handle (25); the output end of the driving motor (26) is provided with a rubber wheel (27); the end face of the rubber wheel (27) is in friction contact with the side face of the bearing disc (2).
2. The liquid nitrogen therapy auxiliary device for general surgery department according to claim 1, characterized in that: the end port of the liquid outlet pipe (11) and the end port of the suction pipe (12) are fixedly connected with absorbent cotton (28).
3. The liquid nitrogen therapy auxiliary device for general surgery department according to claim 1, characterized in that: the adjusting cap (21) is divided into an upper part and a lower part, the upper part is conical, the lower part is in a round table shape, and the upper part and the lower part are connected through insertion.
4. The liquid nitrogen therapy auxiliary device for general surgery department according to claim 1, characterized in that: the lower end of the main shaft rod (1) is provided with an infrared temperature measuring module (29); an indicator light (30) is arranged at the upper end of the main shaft rod (1); the signal output end of the infrared temperature measurement module (29) is connected with the control circuit of the indicator light (30) through the processor.
5. The liquid nitrogen therapy auxiliary device for general surgery department according to claim 1, characterized in that: the side surface of the adjusting cap (21) is provided with scale marks (31) along the direction of a generatrix.
6. The liquid nitrogen therapy auxiliary device for general surgery department according to claim 1, characterized in that: the liquid supply pipe (17), the liquid supply hose (7), the liquid outlet pipe (11), the liquid return pipe (12), the liquid return hose (8) and the siphon pipe (18) are all made of polyimide materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361489.3A CN108403207B (en) | 2018-04-20 | 2018-04-20 | Liquid nitrogen treatment auxiliary device for general surgery department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361489.3A CN108403207B (en) | 2018-04-20 | 2018-04-20 | Liquid nitrogen treatment auxiliary device for general surgery department |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108403207A CN108403207A (en) | 2018-08-17 |
| CN108403207B true CN108403207B (en) | 2020-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810361489.3A Expired - Fee Related CN108403207B (en) | 2018-04-20 | 2018-04-20 | Liquid nitrogen treatment auxiliary device for general surgery department |
Country Status (1)
| Country | Link |
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| CN (1) | CN108403207B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5334189A (en) * | 1991-06-03 | 1994-08-02 | Wade Stephen E | Device for controlled diffusion of a chemical substance |
| CN102784004A (en) * | 2012-02-23 | 2012-11-21 | 中国人民解放军第三军医大学第一附属医院 | Liquid nitrogen minimally-invasive cold knife |
| CN105476835A (en) * | 2015-11-11 | 2016-04-13 | 陈建梅 | Gynecological device for fumigating and applying medicine to vulva |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7544177B2 (en) * | 2002-01-24 | 2009-06-09 | The Regents Of The University Of California | Aerosol device to deliver bioactive agent |
-
2018
- 2018-04-20 CN CN201810361489.3A patent/CN108403207B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5334189A (en) * | 1991-06-03 | 1994-08-02 | Wade Stephen E | Device for controlled diffusion of a chemical substance |
| CN102784004A (en) * | 2012-02-23 | 2012-11-21 | 中国人民解放军第三军医大学第一附属医院 | Liquid nitrogen minimally-invasive cold knife |
| CN105476835A (en) * | 2015-11-11 | 2016-04-13 | 陈建梅 | Gynecological device for fumigating and applying medicine to vulva |
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| Publication number | Publication date |
|---|---|
| CN108403207A (en) | 2018-08-17 |
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