CN112244999B - A high-frequency single-pole low-temperature precision cutting surgical blade - Google Patents
A high-frequency single-pole low-temperature precision cutting surgical blade Download PDFInfo
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- CN112244999B CN112244999B CN202011201825.1A CN202011201825A CN112244999B CN 112244999 B CN112244999 B CN 112244999B CN 202011201825 A CN202011201825 A CN 202011201825A CN 112244999 B CN112244999 B CN 112244999B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000007924 injection Substances 0.000 claims abstract description 75
- 238000002347 injection Methods 0.000 claims abstract description 75
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 66
- 239000010959 steel Substances 0.000 claims abstract description 66
- 238000001802 infusion Methods 0.000 claims abstract description 46
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 12
- 239000011780 sodium chloride Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 33
- 238000004140 cleaning Methods 0.000 claims description 18
- 230000005404 monopole Effects 0.000 claims description 16
- 238000009826 distribution Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 239000003595 mist Substances 0.000 abstract description 5
- 238000001356 surgical procedure Methods 0.000 abstract 1
- 210000001519 tissue Anatomy 0.000 description 16
- 239000002504 physiological saline solution Substances 0.000 description 10
- 238000005345 coagulation Methods 0.000 description 9
- 230000015271 coagulation Effects 0.000 description 9
- 208000027418 Wounds and injury Diseases 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000002679 ablation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 230000002980 postoperative effect Effects 0.000 description 4
- 230000002792 vascular Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 210000005036 nerve Anatomy 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 208000028389 Nerve injury Diseases 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008764 nerve damage Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 208000032544 Cicatrix Diseases 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009297 electrocoagulation Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
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- 230000001575 pathological effect Effects 0.000 description 1
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Classifications
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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
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- 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
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/1206—Generators therefor
-
- 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
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
- A61B2018/00029—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids open
-
- 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
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/1206—Generators therefor
- A61B2018/1246—Generators therefor characterised by the output polarity
- A61B2018/1253—Generators therefor characterised by the output polarity monopolar
-
- 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
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1412—Blade
-
- 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
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1422—Hook
-
- 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
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1425—Needle
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
- A61B2218/007—Aspiration
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
- A61B2218/007—Aspiration
- A61B2218/008—Aspiration for smoke evacuation
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
本发明的一种高频单极低温精细切割手术刀头，包括：切割极、绝缘套管、注水钢管、盐水注入腔、注水通道，所述切割极外侧上套设有绝缘套管，所述绝缘套管外套设有注水钢管，所述绝缘套管与所述注水钢管之间有间隙，所述切割极尾端与高频电压输出一端连接，所述注水钢管尾端与高频电压输出另一端连接，所述注水钢管与所述绝缘套管之间形成盐水注入腔，所述注水钢管尾端还与注水通道一端连通，注水通道另一端与输液器连通。本发明的目的在于提供一种刀头能呈现多样性、便于抽吸手术时产生的雾气的高频单极低温精细切割手术刀头。
The present invention discloses a high-frequency single-pole low-temperature precision cutting surgical blade, comprising: a cutting pole, an insulating sleeve, a water-injected steel pipe, a saline injection cavity, and a water injection channel. The outer side of the cutting pole is provided with an insulating sleeve, and the outer side of the insulating sleeve is provided with a water-injected steel pipe. There is a gap between the insulating sleeve and the water-injected steel pipe. The tail end of the cutting pole is connected to one end of the high-frequency voltage output, and the tail end of the water-injected steel pipe is connected to the other end of the high-frequency voltage output. A saline injection cavity is formed between the water-injected steel pipe and the insulating sleeve. The tail end of the water-injected steel pipe is also connected to one end of the water injection channel, and the other end of the water injection channel is connected to an infusion device. The purpose of the present invention is to provide a high-frequency single-pole low-temperature precision cutting surgical blade that can present diversity and is convenient for aspirating the mist generated during surgery.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a high-frequency monopole low-temperature fine cutting surgical knife head.
Background
A high frequency electric knife is an electrosurgical device for tissue cutting. The tissue is heated when the high-frequency high-voltage current generated by the tip of the effective electrode contacts with the body, so that the separation and solidification of the body tissue are realized, and the purposes of cutting and hemostasis are achieved. According to the functions and purposes of the high-frequency surgical instrument, the multifunctional high-frequency electric knife can be roughly classified into a single-pole high-frequency electric knife with pure cutting, mixed cutting, monopolar electric coagulation, electric fulguration and bipolar electric coagulation, a single-pole electric coagulation device with pure cutting, mixed cutting and monopolar electric coagulation, a single-pole electric fulguration device with pure cutting, mixed cutting and monopolar electric coagulation, a high-frequency argon knife with argon protection cutting and argon arc injection coagulation, and a multifunctional high-frequency cosmetic instrument with spot coagulation, spot coagulation and ultrahigh-frequency electric fulguration.
The operation temperature is high, the ablated solid tumor is vascular to form thrombus, the vascular collagen wall is attached, the ablated tissue is dehydrated and solidified at high temperature to form scars, and the postoperative edema and complications are serious.
Disclosure of Invention
Therefore, the invention aims to solve the problems of scar formation caused by high-temperature dehydration and solidification of the tissue after ablation, postoperative edema and serious complications in the prior art.
The technical scheme adopted by the invention is that a hollow water injection steel pipe is sleeved on a monopole cutting electrode, and an insulating protective sleeve is sleeved on the electrode. The electrode is insulated and isolated from the water injection steel pipe, and the two ends of the electric field output of the high-frequency electric knife are welded respectively, when the physiological saline flowing out of the steel pipe is activated by high frequency and high voltage, conductive sodium chloride ions are generated, and the current on the steel pipe flows to the monopole cutting electrode and the peripheral cutting tissue by the charged sodium ions, so that a high-frequency electric field output loop is formed. The cutting electrode with larger current is used for cutting soft tissues and nerve and vascular tissues in water, and simultaneously takes away the temperature of a cutting wound surface due to the action of flowing water, so that the cutting electrode has the effect of low temperature and low temperature. The outside of the water injection steel pipe is sleeved with the suction steel pipe, and water mist and gas generated during cutting can be sucked away through the suction holes above the suction steel pipe connected with the suction device, so that the gas mist is not dispersed in the air.
The high-frequency monopole low-temperature fine cutting surgical knife head comprises a cutting electrode, an insulating sleeve, a water injection steel pipe, a saline injection cavity and a water injection channel, wherein the insulating sleeve is sleeved on the outer side of the cutting electrode, the water injection steel pipe is sleeved outside the insulating sleeve, a gap is reserved between the insulating sleeve and the water injection steel pipe, the tail end of the cutting electrode is connected with one end of high-frequency voltage output, the tail end of the water injection steel pipe is connected with the other end of the high-frequency voltage output, the saline injection cavity is formed between the water injection steel pipe and the insulating sleeve, the tail end of the water injection steel pipe is also communicated with one end of the water injection channel, and the other end of the water injection channel is communicated with an infusion apparatus.
Preferably, the electrode tip of the cutting electrode is needle-shaped or blade-shaped or hook-shaped.
Preferably, the outside cover of water injection steel pipe is equipped with attracts the steel pipe, attract the steel pipe with there is the clearance between the water injection steel pipe, attract steel pipe tail end and attract pipe one end intercommunication, attract the pipe other end and aspirator intercommunication.
Preferably, a handle is arranged on the outer side of the suction steel tube.
Preferably, a multifunctional button switch is arranged on the handle.
Preferably, the device also comprises a fluid control device, wherein the fluid control device comprises a Y-shaped pipe and a shell,
The first connecting end of the Y-shaped pipe is communicated with one end of the water injection channel, which is far away from the water injection steel pipe, a first infusion pipe and a second infusion pipe are arranged in the shell at intervals, one end of the first infusion pipe extends out of the shell and is communicated with the second connecting end of the Y-shaped pipe, the other end of the first infusion pipe extends out of the shell and is communicated with the liquid distribution box, one end of the second infusion pipe extends out of the shell and is communicated with the third connecting end of the Y-shaped pipe, and the other end of the second infusion pipe extends out of the shell and is communicated with the cleaning liquid box;
The cleaning device comprises a cleaning solution tank, and is characterized in that a first normally closed electromagnetic valve is arranged on the first infusion tube, the first normally closed electromagnetic valve is located in the housing, a first switch button is arranged at the top end of the first normally closed electromagnetic valve, a second normally closed electromagnetic valve is arranged on the second infusion tube, the second normally closed electromagnetic valve is located in the housing, a second switch button is arranged at the top end of the second normally closed electromagnetic valve, a first pressure pump is arranged at one end, close to the solution distribution tank, of the first infusion tube, and a second pressure pump is arranged at one end, close to the cleaning solution tank, of the second infusion tube.
Preferably, a rocker is arranged in the shell, one end of the rocker is positioned above the first switch button, the other end of the rocker is positioned above the second switch button, a first through hole and a second through hole are respectively arranged at the left end and the right end of the top wall of the shell, a first lug is arranged at one side of the top end of the rocker, the first lug penetrates through the first through hole, a second lug is arranged at the other side of the top end of the rocker, and the second lug penetrates through the second through hole;
A rotating plate is arranged below the rocker, one end of a first connecting rod is vertically connected with the middle of the rocker, the other end of the first connecting rod is vertically connected with the rotating plate, one end of a rotating shaft is vertically connected with the rotating plate, which is close to the first connecting rod, and the other end of the rotating shaft is rotationally connected with the inner wall of the shell;
The sliding column is arranged at the left end of the rotating plate, the fixing block is arranged on the rotating plate and located between the sliding column and the rotating shaft, the fixing column is arranged on the inner wall of the shell, the fixing column is located below the left end of the rotating plate, the moving plate in the vertical direction is arranged in the shell, the upper end of the moving plate is provided with an opening extending along the length direction, the sliding column is clamped in the opening, the lower end of the moving plate is provided with a guide groove extending along the length direction, the fixing column penetrates through the guide groove, one end of the supporting rod in the horizontal direction is connected with the lower end of the moving plate, the other end of the supporting rod extends rightward, one end of the spring is connected with the right end of the supporting rod, the other end of the spring is connected with the fixing block, the lower end of the rotating plate is located on two sides of the rotating shaft, and the first limiting column and the second limiting column are fixed on the inner wall of the shell.
Preferably, a heating pipe is arranged in the liquid distribution box, a liquid inlet pipe is arranged on the outer wall of the liquid distribution box, and a cover is connected to the liquid inlet pipe in a threaded manner.
The technical scheme of the invention has the following advantages:
1. the invention discloses a high-frequency monopole low-temperature fine cutting surgical knife head which comprises a cutting electrode, an insulating sleeve, a water injection steel pipe, a saline injection cavity and a water injection channel, wherein the insulating sleeve is sleeved on the outer side of the cutting electrode, the water injection steel pipe is sleeved outside the insulating sleeve, a gap is reserved between the insulating sleeve and the water injection steel pipe, the tail end of the cutting electrode is connected with one end of a high-frequency voltage output end, the tail end of the water injection steel pipe is connected with the other end of the high-frequency voltage output end, the saline injection cavity is formed between the water injection steel pipe and the insulating sleeve, the tail end of the water injection steel pipe is also communicated with one end of the water injection channel, and the other end of the water injection channel is communicated with an infusion apparatus. Because the cutting electrode can realize operations such as cutting and ablation on tissues at a lower temperature (40-70 ℃) in water, the thermal injury and nerve damage to normal tissues are reduced, the operation time is shortened, the injury of the operation and the pain after the operation are reduced, and the postoperative recovery of a patient is quick.
2. The high-frequency monopole low-temperature fine cutting surgical knife head has the advantages that the electrode tip of the cutting electrode is needle-shaped or blade-shaped or hook-shaped, the high-frequency monopole low-temperature fine cutting surgical knife head can be suitable for performing operations on tissues with different cavities, and the electrode tip can be designed into a telescopic electrode to prevent an endoscope from being damaged.
3. The high-frequency monopole low-temperature fine cutting surgical knife head can perform monopole cutting electrocoagulation, and the cutting electrode can be smaller in diameter, so that nerves, blood vessels and skin can be better treated.
4. According to the high-frequency monopole low-temperature fine cutting surgical knife head, the suction tube can suck generated steam fog and cling to a wound surface to suck bleeding, toxic molecules generated during cutting of pathological tissues are prevented from flowing into a doctor body, and medical staff can reduce infection.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the external structure of the present invention;
FIG. 3 is a schematic view of a fluid control device according to the present invention;
FIG. 4 is a schematic view of the internal structure of the housing of the present invention;
The device comprises a 1-cutting electrode, a 2-insulating sleeve, a 3-water injection steel pipe, a 4-high frequency voltage output end, a 5-high frequency voltage output end, a 6-saline injection cavity, a 7-water injection channel, an 8-suction steel pipe, a 9-suction pipe, a 10-handle, an 11-multifunctional button switch, a 12-Y-shaped pipe, a 13-shell, a 14-first infusion pipe, a 15-second infusion pipe, a 16-liquid distribution box, a 17-cleaning liquid box, a 18-first normally closed electromagnetic valve, a 19-first switch button, a 20-second normally closed electromagnetic valve, a 21-second switch button, a 22-first pressure pump, a 23-second pressure pump, a 24-rocker, a 25-first through hole, a 26-second through hole, a 27-second lug, a 28-rotating plate, a 29-first connecting rod, a 30-rotating shaft, a 31-fixed block, a 32-fixed column, a 33-moving plate, a 34-opening, a 35-guiding groove, a 36-supporting rod, a 37-spring, a 38-first limit column, a 39-second limit column, a 40-41-second limit column, a 40-second limit column, a 41-second lug, a 42-second pressure pump, a 43-heating pipe and a 44-lid.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The invention provides a high-frequency monopole low-temperature fine cutting surgical knife head, which is shown in figures 1-2 and comprises a cutting electrode 1, an insulating sleeve 2, a water injection steel pipe 3, a saline injection cavity 6 and a water injection channel 7, wherein the insulating sleeve 2 is sleeved on the outer side of the cutting electrode 1, the water injection steel pipe 3 is sleeved outside the insulating sleeve 2, a gap is reserved between the insulating sleeve 2 and the water injection steel pipe 3, the tail end of the cutting electrode 1 is connected with a high-frequency voltage output end 4, the tail end of the water injection steel pipe 3 is connected with a high-frequency voltage output end 5, the saline injection cavity 6 is formed between the water injection steel pipe 3 and the insulating sleeve 2, the tail end of the water injection steel pipe 3 is also communicated with one end of the water injection channel 7, and the other end of the water injection channel 7 is communicated with an infusion apparatus. The electrode head of the cutting electrode 1 is needle-shaped or blade-shaped or hook-shaped. The outside cover of water injection steel pipe 3 is equipped with attracts steel pipe 8, attract steel pipe 8 with there is the clearance between the water injection steel pipe 3, attract steel pipe 8 tail end and attract pipe 9 one end intercommunication, attract pipe 9 other end and aspirator intercommunication.
The working principle and the beneficial technical effects of the technical scheme are that the cutting electrode 1 and the water injection steel pipe 3 are insulated and isolated, meanwhile, the two ends of the electric field output of the high-frequency electrotome are welded respectively, physiological saline is injected through the water injection channel 7, when the physiological saline flowing out of the water injection steel pipe 3 is activated by high-frequency high pressure to generate conductive chloridion, the current on the water injection steel pipe 3 flows to the monopole cutting electrode 1 and the peripheral cutting tissues by the charged ions, and a high-frequency electric field output loop is formed. The cutting electrode with larger current is used for cutting soft tissues and nerve and vascular tissues in water, and simultaneously takes away the temperature of a cutting wound surface due to the action of flowing water, so that the cutting electrode has the effect of low temperature and low temperature. The suction steel pipe 8 is sleeved outside the water injection steel pipe 3, and the water mist and gas generated during cutting can be sucked away through the suction holes above the suction steel pipe connected with the suction device, so that the gas mist is not emitted in the air. The cutting electrode can realize operations such as cutting and ablation of tissues at a lower temperature (40-70 ℃) in water, and simultaneously reduces the thermal injury and nerve damage to normal tissues, shortens the operation time, reduces the injury of the operation and the pain feeling after the operation, and ensures that the postoperative recovery of patients is quick.
In one embodiment, a handle 10 is arranged on the outer side of the suction steel tube 8, so that the surgical operation can be conveniently carried out by hand.
In one embodiment, the handle 10 is provided with a multifunctional button switch 11, and the multifunctional button switch 11 has dual functions of electric cutting and electric coagulation, so that the operator can conveniently switch functions.
In one embodiment, as shown in fig. 3-4, a fluid control device is also included, including a Y-tube 12, a housing 13,
The first connecting end 121 of the Y-shaped pipe 12 is communicated with one end of the water injection channel 7, which is far away from the water injection steel pipe 3, a first infusion pipe 14 and a second infusion pipe 15 are respectively arranged in the shell 13 at intervals, one end of the first infusion pipe 14 extends out of the shell 13 to be communicated with the second connecting end 122 of the Y-shaped pipe 12, the other end of the first infusion pipe 14 extends out of the shell 13 to be communicated with the liquid distribution tank 16, one end of the second infusion pipe 15 extends out of the shell 13 to be communicated with the third connecting end 123 of the Y-shaped pipe 12, and the other end of the second infusion pipe 15 extends out of the shell 13 to be communicated with the cleaning liquid tank 17;
The first infusion tube 14 is provided with a first normally closed electromagnetic valve 18, the first normally closed electromagnetic valve 18 is located in the shell 13, a first switch button 19 is arranged at the top end of the first normally closed electromagnetic valve 18, the second infusion tube 15 is provided with a second normally closed electromagnetic valve 20, the second normally closed electromagnetic valve 20 is located in the shell 13, the top end of the second normally closed electromagnetic valve 20 is provided with a second switch button 21, a first pressure pump 22 is arranged at one end, close to the liquid distribution box 16, of the first infusion tube 14, and a second pressure pump 23 is arranged at one end, close to the cleaning liquid box 17, of the second infusion tube 15.
The technical scheme has the working principle and beneficial technical effects that physiological saline is prepared in the liquid preparation tank 16, cleaning liquid is arranged in the cleaning liquid tank 17, when the physiological saline needs to be supplied during operation cutting, the first switch button 19 is pressed, so that the physiological saline is conveyed to a cutting electrode for ablation cutting through the first infusion tube 14 and the first connecting end 121 of the Y-shaped tube 12 and the water injection channel 7, and after the operation is finished, the second switch button 21 is pressed, so that the cleaning liquid is sprayed out through the second infusion tube 15 and the first connecting end 121 of the Y-shaped tube 12 and the water injection channel 7, and the pipeline is cleaned and washed, so that the next use is reserved.
In one embodiment, a rocker 24 is disposed in the housing 13, one end of the rocker 24 is located above the first switch button 19, the other end of the rocker 24 is located above the second switch button 21, a first through hole 25 and a second through hole 26 are respectively disposed at left and right ends of a top wall of the housing 13, a first bump 43 is disposed at one side of a top end of the rocker 24, the first bump 43 passes through the first through hole 25, a second bump 27 is disposed at the other side of the top end of the rocker 24, and the second bump 27 passes through the second through hole 26;
A rotating plate 28 is arranged below the rocker 24, one end of a first connecting rod 29 is vertically connected with the middle of the rocker 24, the other end of the first connecting rod 29 is vertically connected with the rotating plate 28, one end of a rotating shaft 30 is vertically connected with the rotating plate 28 near the first connecting rod 29, and the other end of the rotating shaft 30 is rotationally connected with the inner wall of the shell 13;
The left end of the rotating plate 28 is provided with a sliding column 44, the rotating plate 28 is provided with a fixed block 31, the fixed block 31 is located between the sliding column 44 and the rotating shaft 30, the inner wall of the shell 13 is provided with a fixed column 32, the fixed column 32 is located below the left end of the rotating plate 28, the shell 13 is internally provided with a moving plate 33 in the vertical direction, the upper end of the moving plate 33 is provided with an opening 34 extending along the length direction, the sliding column 44 is clamped in the opening 34, the lower end of the moving plate 33 is provided with a guide groove 35 extending along the length direction, one end of a support rod 36 in the horizontal direction is connected with the lower end of the moving plate 33, the other end of the support rod 36 extends rightward, one end of a spring 37 is connected with the right end of the support rod 36, the other end of the spring 37 is connected with the fixed block 31, the lower end of the rotating plate 28 is located below the rotating shaft 30, two sides of the rotating shaft 30 are respectively provided with a first limit column 38 and a second limit column 39, and the first limit column 38 and the second limit column 39 are fixed on the inner wall 13 of the shell.
The working principle and beneficial technical effects of the technical scheme are that when the first bump 43 is pressed down during operation, the rotating plate 28 rotates anticlockwise around the rotating shaft 30, the left end of the rocker 24 presses down the first switch button 19 to enable the first infusion tube 14 to be conducted, physiological saline is supplied, the sliding column 44 on the rotating plate 28 drives the moving plate 33 downwards to move downwards along the fixed column 32, after the operation is completed, the first bump 43 is loosened, the elastic force of the spring 37 returns to the initial balance state, when the operation is completed, the second bump 27 is pressed down, the rotating plate 28 rotates clockwise around the rotating shaft 30, the sliding column 44 moves upwards along the opening 34, the spring 37 stretches, the second switch button 21 is pressed, the second infusion tube 15 is conducted, the cleaning liquid washes the tube, after the washing is completed, the second bump 27 is loosened, the rocker 24 returns to the initial balance state under the elastic force of the spring 37, and the second infusion tube 15 and the first infusion tube 14 are both in the closed state.
When the first convex block 43 is pressed down in the working state, the second convex block 27 is always in the ascending state due to the action of the rocker 24, at this time, only physiological saline is allowed to flow to the cutting electrode 1 for cutting and ablation, and the second infusion tube 15 is in the sealing state, so that the cleaning liquid is prevented from entering an affected part, the effect of the operation is influenced, even the affected part is stimulated, and the risk of the operation is increased. When the operation is finished and the cleaning is performed, the second infusion tube 15 is in a conducting state, and the first infusion tube 14 is always in a closed state, so that leakage of physiological saline is prevented, and the cleaning effect is poor.
In one embodiment, a heating pipe 40 is disposed in the liquid distribution tank 16, a liquid inlet pipe 41 is disposed on an outer wall of the liquid distribution tank 16, and a cover 42 is screwed on the liquid inlet pipe 41. The heating tube 40 can facilitate heating of the physiological saline, more closely approach the body temperature, and reduce irritation to the tissue of the patient. The lid 42 is opened to replenish the cleaning liquid in the cleaning liquid tank 17 through the liquid inlet pipe 41.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (5)
1. A high-frequency monopole low-temperature fine cutting surgical knife head is characterized by comprising a cutting electrode (1), an insulating sleeve (2), a water injection steel tube (3), a saline injection cavity (6) and a water injection channel (7), wherein the insulating sleeve (2) is sleeved on the outer side of the cutting electrode (1), the water injection steel tube (3) is sleeved outside the insulating sleeve (2), a gap is reserved between the insulating sleeve (2) and the water injection steel tube (3), the tail end of the cutting electrode (1) is connected with a high-frequency voltage output end (4), the tail end of the water injection steel tube (3) is connected with a high-frequency voltage output end (5), the saline injection cavity (6) is formed between the water injection steel tube (3) and the insulating sleeve (2), the tail end of the water injection steel tube (3) is also communicated with one end of the water injection channel (7), the other end of the water injection channel (7) is communicated with an infusion apparatus, the fluid control device comprises a Y-shaped tube (12) and a shell (13),
The first connecting end (121) of the Y-shaped pipe (12) is communicated with one end of the water injection channel (7) away from the water injection steel pipe (3), a first infusion pipe (14) and a second infusion pipe (15) are arranged in the shell (13) at intervals respectively, one end of the first infusion pipe (14) extends out of the shell (13) to be communicated with the second connecting end (122) of the Y-shaped pipe (12), the other end of the first infusion pipe (14) extends out of the shell (13) to be communicated with the liquid distribution tank (16), one end of the second infusion pipe (15) extends out of the shell (13) to be communicated with the third connecting end (123) of the Y-shaped pipe (12), and the other end of the second infusion pipe (15) extends out of the shell (13) to be communicated with the cleaning liquid tank (17);
A first normally closed electromagnetic valve (18) is arranged on the first infusion tube (14), the first normally closed electromagnetic valve (18) is positioned in the shell (13), a first switch button (19) is arranged at the top end of the first normally closed electromagnetic valve (18), a second normally closed electromagnetic valve (20) is arranged on the second infusion tube (15), the second normally closed electromagnetic valve (20) is positioned in the shell (13), a second switch button (21) is arranged at the top end of the second normally closed electromagnetic valve (20), a first pressure pump (22) is arranged at one end, close to the liquid distribution box (16), of the first infusion tube (14), and a second pressure pump (23) is arranged at one end, close to the cleaning liquid box (17), of the second infusion tube (15);
The novel circuit breaker comprises a shell (13), and is characterized in that a rocker (24) is arranged in the shell (13), one end of the rocker (24) is located above a first switch button (19), the other end of the rocker (24) is located above a second switch button (21), a first through hole (25) and a second through hole (26) are respectively formed in the left end and the right end of the top wall of the shell (13), a first lug (43) is arranged on one side of the top end of the rocker (24), the first lug (43) penetrates through the first through hole (25), a second lug (27) is arranged on the other side of the top end of the rocker (24), and the second lug (27) penetrates through the second through hole (26);
a rotating plate (28) is arranged below the rocker (24), one end of a first connecting rod (29) is vertically connected with the middle of the rocker (24), the other end of the first connecting rod (29) is vertically connected with the rotating plate (28), one end of a rotating shaft (30) is vertically connected with the rotating plate (28) close to the first connecting rod (29), and the other end of the rotating shaft (30) is rotationally connected with the inner wall of the shell (13);
The utility model discloses a rotary table, including fixed block (33) and fixed block, fixed block (31) are provided with on rotating plate (28) left end, be provided with on rotating plate (28) fixed block (31) are located between sliding column (44) and pivot (30), be provided with fixed column (32) on casing (13) inner wall, fixed column (32) are located the below of rotating plate (28) left end, be provided with moving plate (33) of vertical direction in casing (13), moving plate (33) upper end is provided with opening (34) that extend along length direction, sliding column (44) card is in opening (34), moving plate (33) lower extreme is provided with guide way (35) that extend along length direction, fixed column (32) pass guide way (35), horizontal direction bracing piece (36) one end with moving plate (33) lower extreme is connected, bracing piece (36) other end extends to the right, spring (37) one end with bracing piece (36) right-hand member is connected, spring (37) other end with fixed block (31) is in opening (34), moving plate (33) lower extreme is provided with one side (39) and second pivot (39) are located respectively, the first limit column (38) and the second limit column (39) are both fixed on the inner wall of the shell (13), and the electrode head of the cutting electrode (1) is needle-shaped or blade-shaped or hook-shaped.
2. The high-frequency monopole low-temperature fine cutting surgical knife head according to claim 1, wherein an attraction steel pipe (8) is sleeved outside the water injection steel pipe (3), a gap is reserved between the attraction steel pipe (8) and the water injection steel pipe (3), the tail end of the attraction steel pipe (8) is communicated with one end of an attraction pipe (9), and the other end of the attraction pipe (9) is communicated with an aspirator.
3. A high frequency monopolar low temperature fine cutting surgical knife head according to claim 2, characterized in that the outside of said suction steel tube (8) is provided with a handle (10).
4. A high frequency monopolar low temperature fine cutting surgical knife head according to claim 3 wherein said handle (10) is provided with a multi-function push button switch (11).
5. The high-frequency monopole low-temperature fine cutting surgical knife head according to claim 1, wherein a heating pipe (40) is arranged in the liquid distribution box (16), a liquid inlet pipe (41) is arranged on the outer wall of the liquid distribution box (16), and a cover (42) is connected to the liquid inlet pipe (41) in a threaded manner.
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| CN202011201825.1A CN112244999B (en) | 2020-11-02 | 2020-11-02 | A high-frequency single-pole low-temperature precision cutting surgical blade |
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| CN113397694A (en) * | 2021-07-21 | 2021-09-17 | 杭州电子科技大学 | Electric coagulation water knife under cavity mirror |
| CN114569233A (en) * | 2022-03-02 | 2022-06-03 | 深圳大学 | Radio frequency ablation instrument and method for treating giant hepatic hemangioma |
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| US20160051313A1 (en) * | 2014-08-22 | 2016-02-25 | Jerome Canady | Attachment for Electrosurgical System |
| US20180221054A1 (en) * | 2017-02-08 | 2018-08-09 | Corinth MedTech, Inc. | Surgical device and method of use |
| CN111132628B (en) * | 2017-07-17 | 2023-11-03 | 弗拉克泰尔健康公司 | Enteral catheter devices and systems |
| CN108272503B (en) * | 2018-03-07 | 2024-04-19 | 南微医学科技股份有限公司 | Double-channel liquid injection bipolar high-frequency electric knife |
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