CN114159152B - Visual multifunctional mixed energy intervertebral disc treatment instrument - Google Patents
Visual multifunctional mixed energy intervertebral disc treatment instrument Download PDFInfo
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- CN114159152B CN114159152B CN202111568739.9A CN202111568739A CN114159152B CN 114159152 B CN114159152 B CN 114159152B CN 202111568739 A CN202111568739 A CN 202111568739A CN 114159152 B CN114159152 B CN 114159152B
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- 230000000007 visual effect Effects 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 13
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 1
- 230000004927 fusion Effects 0.000 description 9
- 238000007790 scraping Methods 0.000 description 6
- 210000001519 tissue Anatomy 0.000 description 6
- 210000000988 bone and bone Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012800 visualization Methods 0.000 description 4
- 206010039509 Scab Diseases 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000002324 minimally invasive surgery Methods 0.000 description 3
- 210000004872 soft tissue Anatomy 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 206010050296 Intervertebral disc protrusion Diseases 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000007012 clinical effect Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009297 electrocoagulation Methods 0.000 description 1
- 238000011846 endoscopic investigation Methods 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- 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
-
- 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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00339—Spine, e.g. intervertebral disc
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
- A61B2018/00583—Coblation, i.e. ablation using a cold plasma
Abstract
The invention discloses a visual multifunctional mixed energy intervertebral disc treatment instrument which comprises a hollow tube body and a control handle, wherein the starting end of the hollow tube body is connected with the control handle, a U-shaped hole is formed in the upper end face of the tail end of the hollow tube body, a metal scraper is arranged on one side, close to the tail end of the hollow tube body, of the U-shaped hole, an observation window is formed in the lower end face of the tail end of the hollow tube body, a front electrode is arranged on the wall of the tail end of the hollow tube body, a lateral electrode is arranged in the lower end face of the tail end of the hollow tube body, and the intervertebral disc treatment instrument is mixed with high-frequency plasma energy and mechanical cutting energy of a cutting edge.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a visual multifunctional mixed energy intervertebral disc treatment appliance.
Background
With the continuous development of minimally invasive surgery, especially the technical concept of endoscopic visualization, and the acceptance of the minimally invasive surgery by clinic and patients, the safe and minimally invasive clinical effect is achieved through the less traumatic and endoscopic visualization, and the minimally invasive surgery is a main pursuit target of the current surgery. Spinal endoscopy technology has undergone a long development process, and is currently becoming the main development direction of spinal surgery technology. The surgical indications also go from the initial simple treatment of lumbar disc herniation and stenosis to the treatment of lumbar vertebra instability, slipping, deformity and other diseases requiring fusion surgery caused by most degeneration.
The spinal endoscopic fusion technique is a perfect combination of the spinal endoscopic technique and the lumbar minimally invasive fusion technique. Compared with the traditional open lumbar vertebra fusion operation, the endoscopic lumbar vertebra fusion technology has the characteristics of small tissue damage, small risk, quick recovery, less long-term complications left after operation and the like. But in clinical operation, the traditional endplate treatment instrument is used for treating the endplate and the intervertebral disc under the lens, so that the efficiency is low, the endoscope is easy to damage, the blind vision treatment is partially adopted, the efficiency is high, but the treatment is carried out by hand feeling and experience, the effect is inaccurate, the vertebral body cancellous bone is easy to damage too much or uneven, and the effect of lumbar fusion operation under the endoscope is influenced.
Aiming at the problems, in order to improve the safety and effectiveness of the spinal endoscopic surgery, a tool capable of efficiently and safely treating the intervertebral disc and the end plate in a narrow space under an endoscopic channel is needed.
Disclosure of Invention
The invention aims to provide a visual multifunctional hybrid energy intervertebral disc treatment instrument so as to solve the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a visual multi-functional mixed energy intervertebral disc treatment apparatus, includes hollow form body and control handle, hollow form body initiating terminal with control handle connects, the terminal up end of hollow form body has been seted up the U type hole, the U type hole is close to one side of hollow form body terminal is provided with the metal scraper, the observation window has been seted up to the terminal lower terminal surface of hollow form body, be provided with the front end electrode on the terminal pipe wall of hollow form body, be provided with the side direction electrode in the terminal lower terminal surface of hollow form body.
Preferably, the front end electrode comprises a first front end electrode and a second front end electrode, the first front end electrode is annularly arranged on the outer pipe wall of the tail end of the hollow pipe body, the second front end electrode is annularly arranged on the inner pipe wall of the tail end of the hollow pipe body, and an insulating block is arranged between the first front end electrode and the second front end electrode.
Preferably, the lateral electrode comprises a first lateral electrode and a second lateral electrode, the first lateral electrode is arranged at the lower end face of the tail end of the hollow pipe body, the arrangement direction of the first lateral electrode is perpendicular to the axis direction of the hollow pipe body, the second lateral electrode is arranged adjacent to the first lateral electrode in parallel, and an insulating block is arranged between the first lateral electrode and the second lateral electrode.
Preferably, the hollow pipe body is any one of a single-channel pipe body or a double-channel pipe body.
Preferably, when the hollow tubular body is a single channel tubular body, the single channel is used for insertion of a spinal endoscope with a strap instrument channel.
Preferably, when the hollow tubular body is a two-channel tubular body, the first channel is used for inserting an observation endoscope without an instrument channel, and the second channel is a tool instrument channel.
Preferably, an electrode switching key is arranged on the operating handle, and the electrode switching key is used for manually switching the front-end electrode or the lateral electrode to work.
Preferably, the tail end of the hollow pipe body is provided with an insulating block, and the outer pipe wall of the hollow pipe body except for the rest parts provided with the insulating block is coated with an outer insulating layer.
Preferably, a power line is arranged on the operating handle, and the power line is used for being electrically connected with a power supply.
Compared with the prior art, the invention has the beneficial effects that:
1. the treatment instrument mixes high-frequency plasma energy and mechanical cutting energy of a blade, wherein the plasma energy comprises a bipolar electrotome ring for cutting intervertebral disc and a plasma electrode for end plate vaporization, the two energies are skillfully combined through structural design, the rapid switching of different tissue parts in operation is completed, a tool is not required to be converted and replaced, and a metal scraper is used for scraping end plates or spongy bone surface treatment (blood scab generated by scraping the electrode); the side plasma electrodes ablate the endplates and disc efficiently and significantly reduce the under-the-lens endplate treatment bleeding.
2. The invention is provided with an endoscope insertion channel, after the instrument channel enters the intervertebral space, the inserted endoscope can realize the whole-course endoscope visualization operation of the device, and the plasma energy ring at the front end of the device is responsible for cutting off soft tissues such as intervertebral discs and the like entering the tube.
3. The nucleus pulposus forceps commonly used in operation can enter the cutter head through the endoscopic instrument channel to grasp the intervertebral disc resected by plasma, can be used for traditional open and endoscopic assisted fusion operation, and overcomes the defects of invisible intervertebral space and low efficiency of previous operation treatment.
4. The intervertebral disc treatment device is disposable, can reduce after-sales and avoid cross infection.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a partially enlarged and cross-sectional structure of a cutter head according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of lateral electrode distribution according to an embodiment of the present invention;
FIG. 4 is a schematic side view of a multi-channel treatment device according to an embodiment of the present invention;
FIG. 5 is a schematic view of a partial structure of a multi-channel treatment device according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a single channel processing apparatus according to another embodiment of the present invention.
In the figure: 1. a metal scraper; 2. a first front electrode; 3. an insulating block; 4. a second front electrode; 5. a first lateral electrode; 6. a second lateral electrode; 7. a first channel; 8. a second channel; 9. an electrode switching key; 10. a single channel; 11. an outer insulating layer; 12. an observation window; 13. a power line; 100. a hollow tubular body; 101. a manipulation handle; 102. the tail end of the hollow pipe body.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a visual multi-functional mixed energy intervertebral disc treatment apparatus, includes hollow form body 100 and control handle 101, hollow form body 100 initiating terminal with control handle 101 connects, the terminal up end of hollow form body 100 has been seted up the U type hole, the U type hole is close to one side at hollow form body 100 terminal is provided with metal scraper 1, observation window 12 has been seted up to the terminal lower terminal surface of hollow form body 100, be provided with the front end electrode on the terminal pipe wall of hollow form body 100, be provided with the side direction electrode in the terminal lower terminal surface of hollow form body 100.
Specifically, the end of the hollow tube body 100 is provided with an endoscope observation window 12, and the middle wide-angle endoscope is allowed to observe the front end and two side end plates through the opening of the observation window 12; a raised multi-ring or multi-needle plasma electrode and tubular metal insulator can be arranged beside the observation window 12 on the opposite side of the metal scraper 1 at the tail end of the hollow tube body 100 to form a bipolar plasma loop for plasma efficient excision of end plates and ablation of peripheral intervertebral disc tissues.
As a preferred embodiment of the present invention, the front electrode includes a first front electrode 2 and a second front electrode 4, the first front electrode 2 is annularly disposed on the outer wall of the end of the hollow tubular body 100, the second front electrode 4 is annularly disposed on the inner wall of the end of the hollow tubular body 100, and an insulating block 3 is disposed between the first front electrode 2 and the second front electrode 4.
As a preferred embodiment of the present invention, the lateral electrodes include a first lateral electrode 5 and a second lateral electrode 6, the first lateral electrode 5 is disposed at a lower end face of the end of the hollow tubular body 100, the first lateral electrode 5 is disposed in a direction perpendicular to the axial direction of the hollow tubular body 100, the second lateral electrode 6 is disposed adjacent to the first lateral electrode 5 in parallel, and an insulating block 3 is disposed between the first lateral electrode 5 and the second lateral electrode 6.
As a preferred embodiment of the present invention, the hollow tube 100 is any one of a single channel 10 tube or a double channel tube. The hollow pipe body 100 of the invention has a main body of a single or double-channel hollow pipe body 100, one end of the hollow pipe body is connected with a handle, the inner side of the other end of the hollow pipe body is embedded with an annular plasma electrode ring and tubular insulation to form a bipolar plasma electro-cutting/electro-coagulation loop, and one side of the tail end of the pipe body is provided with a metal scraper 1.
As a preferred embodiment of the present invention, when the hollow tubular body 100 is a single channel 10 tubular body, the single channel 10 is used for insertion of a spinal endoscope with a ribbon instrument channel.
As a preferred embodiment of the present invention, when the hollow tubular body 100 is a two-channel tubular body, the first channel 7 is used for inserting a scope without an instrument channel, and the second channel 8 is a tool instrument channel.
As a preferred embodiment of the present invention, an electrode switching button 9 is provided on the operating handle, and the electrode switching button 9 is used for manually switching the front electrode or the lateral electrode to operate.
As a preferred embodiment of the present invention, the hollow pipe body 100 is provided with an insulating block 3 at the end, and the outer pipe wall of the hollow pipe body 100 except for the rest of the insulating block 3 is covered with an outer insulating layer 11.
As a preferred embodiment of the present invention, a power cord 13 is provided on the operating handle, and the power cord 13 is used for electrical connection with a power source.
The visual multifunctional hybrid energy intervertebral disc treatment instrument disclosed by the invention is used in the following process:
s1, firstly, placing a spinal endoscope into the intervertebral disc treatment instrument, and placing the intervertebral disc treatment instrument and the endoscope into an intervertebral space after placing a working sleeve.
S2, a second front end electrode 4 is embedded in the first front end electrode 2 in a hollow mode, an insulating block 3 is arranged between the first front end electrode and the second front end electrode to separate the first front end electrode from the second front end electrode, when the electrodes are powered on, an annular area is discharged between the first front end electrode and the second front end electrode, and soft tissues such as intervertebral discs and the like in the tube are resected by the effect generated by the discharge; it should be noted that, the outer surface of the first front electrode 2 is covered with an outer insulating layer 11 except for a length from the observation window 12 to the front end, as shown in fig. 5.
And S3, a metal scraper 1 is arranged on one side of the front end of the first front end electrode 2, and the metal scraper 1 is used for scraping the surface treatment of the end plate or cancellous bone (scraping blood crust generated by the electrode). The opposite side of the metal scraper 1 is provided with an observation window 12, a first lateral electrode 5 and a second lateral electrode 6 are arranged beside the window, and the two lateral electrodes are coated with an outer insulating layer 11 outside the exposed parts. The effect of the discharge between the first lateral electrode 5 and the second lateral electrode 6 when powered will ablate the endplates and disc and substantially reduce the under-the-lens endplate treatment bleeding. At the same time, the tissue perpendicular to the axial direction of the first front electrode 2 can be resected, and the window can be used for endoscope observation of the working conditions of the first lateral electrode 5 and the second lateral electrode 6, as shown in fig. 3.
When the body of the hollow tubular body 100 is a single channel 10 hollow tubular body 100, a channel may be provided inside the first front electrode 2 as a single channel 10 body that allows insertion of a spinal or other endoscope as shown in fig. 6. When the body of the hollow tubular body 100 is a two-channel hollow tubular body 100, a two-channel can be provided inside the first front electrode 2. The first channel 7 is a viewing endoscope (without instrument channel, smaller diameter); the second channel 8 is a tool instrument channel through which the nucleus pulposus clamp enters into the anterior end to grasp the plasma resected disc tissue, as shown in fig. 5. The electrode switching key 9 is used to select the electrode pair (front electrode or side electrode) to be operated. The invention realizes the high-efficiency treatment of the endoscopic end plate and the intervertebral disc tissue in the endoscopic narrow space, has simple and mastered operation and small wound, and provides a new solution for endoscopic lumbar fusion operation.
Compared with the prior art, the invention has the beneficial effects that:
1. the treatment instrument is mixed with high-frequency plasma energy and mechanical cutting energy of a blade, the plasma energy comprises a bipolar electrotome ring for cutting intervertebral disc and a plasma electrode for end plate vaporization, the two energies are skillfully combined through structural design, rapid switching of different tissue parts in operation is completed, a tool is not required to be converted and replaced, and the metal scraper 1 is used for scraping end plates or spongy bone surface treatment (blood scab generated by scraping the electrode); the side plasma electrodes ablate the endplates and disc efficiently and significantly reduce the under-the-lens endplate treatment bleeding.
2. The invention is provided with an endoscope insertion channel, after the instrument channel enters the intervertebral space, the inserted endoscope can realize the whole-course endoscope visualization operation of the device, and the plasma energy ring at the front end of the device is responsible for cutting off soft tissues such as intervertebral discs and the like entering the tube.
3. The nucleus pulposus forceps commonly used in operation can enter the cutter head through the endoscopic instrument channel to grasp the intervertebral disc resected by plasma, can be used for traditional open and endoscopic assisted fusion operation, and overcomes the defects of invisible intervertebral space and low efficiency of previous operation treatment.
4. The intervertebral disc treatment device is disposable, can reduce after-sales and avoid cross infection.
Claims (7)
1. The visual multifunctional mixed energy intervertebral disc treatment instrument is characterized by comprising a hollow tube body (100) and a control handle (101), wherein the starting end of the hollow tube body (100) is connected with the control handle (101), a U-shaped hole is formed in the upper end face of the tail end of the hollow tube body (100), a metal scraper (1) is arranged on one side, close to the tail end of the hollow tube body (100), of the U-shaped hole, an observation window (12) is formed in the lower end face of the tail end of the hollow tube body (100), a front end electrode is arranged on the tube wall of the tail end of the hollow tube body (100), and a lateral electrode is arranged in the lower end face of the tail end of the hollow tube body (100);
the front-end electrode comprises a first front-end electrode (2) and a second front-end electrode (4), the first front-end electrode (2) is annularly arranged on the outer pipe wall at the tail end of the hollow pipe body (100), the second front-end electrode (4) is annularly arranged on the inner pipe wall at the tail end of the hollow pipe body (100), and an insulating block (3) is arranged between the first front-end electrode (2) and the second front-end electrode (4);
the lateral electrode comprises a first lateral electrode (5) and a second lateral electrode (6), the first lateral electrode (5) is arranged at the lower end face of the tail end of the hollow pipe body (100), the arrangement direction of the first lateral electrode (5) is perpendicular to the axis direction of the hollow pipe body (100), the second lateral electrode (6) is arranged adjacent to the first lateral electrode (5) in parallel, and an insulating block (3) is arranged between the first lateral electrode (5) and the second lateral electrode (6).
2. The visual multi-functional hybrid energy disc management instrument of claim 1, wherein the hollow tubular body (100) is a single channel (10) tubular body or a dual channel tubular body.
3. A visual multi-functional hybrid energy disc management instrument according to claim 2, wherein when the hollow tubular body (100) is a single channel (10) tubular body, the single channel (10) is used for insertion of a spinal endoscope of a ribbon instrument channel.
4. A visual multi-functional hybrid energy disc management instrument according to claim 2, wherein when the hollow tubular body (100) is a two-channel body, the first channel (7) is for insertion of a viewing endoscope without instrument channels and the second channel (8) is a tool instrument channel.
5. The visual multifunctional hybrid energy intervertebral disc treatment instrument according to claim 1, wherein an electrode switching key (9) is arranged on the control handle, and the electrode switching key (9) is used for manually switching the front electrode or the lateral electrode to work.
6. The visual multifunctional hybrid energy intervertebral disc treatment device according to claim 1, wherein an insulation block (3) is arranged at the tail end of the hollow tube body (100), and the outer tube walls of the hollow tube body (100) except the rest parts provided with the insulation block (3) are all coated with an outer insulation layer (11).
7. A visual multi-functional hybrid energy disc management instrument according to claim 1, characterized in that the steering handle is provided with a power cord (13), the power cord (13) being adapted to be electrically connected to a power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111568739.9A CN114159152B (en) | 2021-12-21 | 2021-12-21 | Visual multifunctional mixed energy intervertebral disc treatment instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111568739.9A CN114159152B (en) | 2021-12-21 | 2021-12-21 | Visual multifunctional mixed energy intervertebral disc treatment instrument |
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| CN114159152A CN114159152A (en) | 2022-03-11 |
| CN114159152B true CN114159152B (en) | 2024-04-05 |
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| CN115005966B (en) * | 2022-05-31 | 2023-07-14 | 上海意昕医疗科技有限公司 | Surgical electrode and surgical system |
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| US5904681A (en) * | 1997-02-10 | 1999-05-18 | Hugh S. West, Jr. | Endoscopic surgical instrument with ability to selectively remove different tissue with mechanical and electrical energy |
| US6406476B1 (en) * | 2000-08-15 | 2002-06-18 | Kirwan Surgical Products, Inc. | Bipolar, fluid assisted coagulator/ablator probe for arthroscopy |
| CN109199580A (en) * | 2018-09-04 | 2019-01-15 | 方润医疗器械科技（上海）有限公司 | It is a kind of for treating the flexible radio frequency plasma procedures electrode of discogenic pain |
| CN111643176A (en) * | 2020-04-14 | 2020-09-11 | 珠海市司迈科技有限公司 | Radio frequency ablation electrode for otitis media minimally invasive surgery and using method thereof |
| CN211796646U (en) * | 2020-03-05 | 2020-10-30 | 李文祥 | Centrum final plate treater under scope |
| CN112155715A (en) * | 2020-10-14 | 2021-01-01 | 珠海维尔康生物科技有限公司 | Electrode cutting device for cutting soft tissue based on radio frequency ablation |
| DE202021105388U1 (en) * | 2021-10-05 | 2021-10-11 | Unintech GmbH | Endoscopic instruments for intervertebral disc surgery |
-
2021
- 2021-12-21 CN CN202111568739.9A patent/CN114159152B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5904681A (en) * | 1997-02-10 | 1999-05-18 | Hugh S. West, Jr. | Endoscopic surgical instrument with ability to selectively remove different tissue with mechanical and electrical energy |
| US6406476B1 (en) * | 2000-08-15 | 2002-06-18 | Kirwan Surgical Products, Inc. | Bipolar, fluid assisted coagulator/ablator probe for arthroscopy |
| CN109199580A (en) * | 2018-09-04 | 2019-01-15 | 方润医疗器械科技（上海）有限公司 | It is a kind of for treating the flexible radio frequency plasma procedures electrode of discogenic pain |
| CN211796646U (en) * | 2020-03-05 | 2020-10-30 | 李文祥 | Centrum final plate treater under scope |
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| DE202021105388U1 (en) * | 2021-10-05 | 2021-10-11 | Unintech GmbH | Endoscopic instruments for intervertebral disc surgery |
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| CN114159152A (en) | 2022-03-11 |
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