CN105434040A - Umbrella-shaped radiofrequency ablation electrode needle for endoscopes - Google Patents
Umbrella-shaped radiofrequency ablation electrode needle for endoscopes Download PDFInfo
- Publication number
- CN105434040A CN105434040A CN201610016343.6A CN201610016343A CN105434040A CN 105434040 A CN105434040 A CN 105434040A CN 201610016343 A CN201610016343 A CN 201610016343A CN 105434040 A CN105434040 A CN 105434040A
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- umbrella
- endoscope
- electrode needle
- frequency ablation
- ablation electrode
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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
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
-
- 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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of 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
- A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
-
- 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
- A61B2018/143—Needle multiple needles
-
- 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
- A61B2018/1432—Needle curved
-
- 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
- A61B2018/1475—Electrodes retractable in or deployable from a housing
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Otolaryngology (AREA)
- Anesthesiology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an umbrella-shaped radiofrequency ablation electrode needle for endoscopes. The umbrella-shaped radiofrequency ablation electrode needle comprises a handle (5), a guide pipe (3), a needle point (2), an umbrella-shaped electrode needle (1), an injection nozzle (9), a connection cable (7), a plug (8) and a guide pipe length keeping structure; the far end of the guide pipe (3) is provided with the sharp needle point (2), and the umbrella-shaped electrode needle (1) can be unfolded or taken back from the inside of the sharp needle point (2) at the far end of the guide pipe (3). The guide pipe (3) is soft, thin and long (60-180cm), hence the metal needle point (2) at the far end of the guide pipe (3) can pierce a lesion tissue through work cavities of various endoscopes, and then the umbrella-shaped electrode needle (1) is unfolded for radiofrequency ablation. The point end of the umbrella-shaped electrode needle (1) is provided with an injection hole and a temperature thermocouple (11), and liquid medicine injection and temperature control can be performed simultaneously during radiofrequency ablation. The length of the soft, thin and long guide pipe (3) when being subjected to tensile force or pressure can be kept unchanged by the guide pipe length keeping structure.
Description
Technical field
The present invention relates to a kind of endoscope-use umbrella shape radio-frequency ablation electrode needle, particularly relating to one can coordinate with endoscope, treats umbrella shape radio-frequency ablation electrode that is optimum and malignant tumor.
Background technology
Medical endoscope, in surgical operation and regular medication check, compared with traditional surgical operation, has flexible operation, the feature such as simple, direct, substantially increases diagnosis capability, increase work efficiency.
Medical endoscope utilizes human body natural pore or opens several aperture when being necessary, as long as endoscope lens expertly gos deep in health by doctor, just can be carried out the airtight operation technique in body by other operating theater instruments and shooting display system in vitro.The functional Minimally Invasive Surgery of medical endoscope has obtained accepting extensively of doctor and patient, nearly all section office all extensive use medical endoscope technology in hospital.
The shank of current radio-frequency ablation electrode needle is hard metal tube, be only suitable for carrying out radio-frequency (RF) ablation for percutaneous puncture, can not with endoscope partner treatment optimum and malignant tumor, therefore being badly in need of that development is a kind of can the ablating device with malignant tumor optimum with endoscope partner treatment, and the invention of endoscope-use umbrella shape radio-frequency ablation electrode needle fills up that this is blank.
The flexible conduit existing defects of the umbrella shape radio-frequency ablation electrode of prior art.Because the length of endoscope-use umbrella shape radio-frequency ablation electrode needle is usually at 90-180cm, the working chamber of endoscope is again bending, therefore when umbrella electrode pin launches or in withdrawal process, resistance is very large.Umbrella electrode pin will launch or regain in the needle point of softness, slender conduit far-end.When umbrella electrode pin starts to launch, because the tip of umbrella electrode pin and the inwall frictional force of needle point make conduit under tension; When umbrella electrode pin starts to regain, conduit will be compressed power, and these pulling force or pressure can cause catheter length to change, and catheter length changes and electrode needle can be caused to launch completely or to regain.Therefore just must develop a kind of softness, elongated conduit, the length of this conduit is in the expansion of umbrella electrode pin or withdrawal process, and its length remains unchanged.
Summary of the invention
For above problems of the prior art, the object of the present invention is to provide a kind of can with endoscope with the use of umbrella shape radio-frequency ablation electrode, have soft, elongated conduit, and the length of this conduit is in the expansion of umbrella electrode pin or withdrawal process, its length remains unchanged.
Technical scheme of the present invention is as follows.
A kind of endoscope-use umbrella shape radio-frequency ablation electrode needle, comprises handle, conduit, needle point, umbrella electrode pin, injection nozzle, connection cord and plug, wherein:
The far-end of described conduit is connected with described needle point, and described umbrella electrode pin can launch or regain in described needle point;
Described endoscope-use umbrella shape radio-frequency ablation electrode needle also comprises catheter length maintaining body, and when can guarantee softness, elongated conduit under tension or pressure, its length remains unchanged.
Preferably, described catheter length maintaining body comprises the parallel tinsel of in described conduit two, and the far-end of two parallel wires is connected with needle point, and near-end is connected with handle.
Preferably, also comprise central metal pipe, launch for driving umbrella electrode pin and regain; The near-end of described central metal pipe is connected with the tooth bar back side in described handle, is driven by knob with described tooth bar meshed gears, and described tooth bar can along the rail moving of handle, and the far-end of described central metal pipe is connected with described umbrella electrode pin.
Preferably, have polyfluortetraethylene pipe between described tinsel, described central metal pipe inserts in described polyfluortetraethylene pipe.
Preferably, the skin of described conduit has heat-shrink tube.
Preferably, described umbrella electrode pin is made up of several pieces of metal capillaries, and temperature thermocouple is equipped with at its tip, can carry out monitor and forecast in real time to melting temperature.
Preferably, described umbrella electrode needle tip is provided with medicine-pouring hole.
Preferably, the inner chamber of described metal capillary is communicated with the described injection nozzle on described handle.
Preferably, the near-end of described umbrella electrode pin is connected with connection tube far-end, and the near-end of described connection tube is connected with the far-end of described central canal, and the near-end of central metal pipe is connected with the far-end of syringe, and the near-end of described syringe is connected with described injection nozzle.
Preferably, the length of described conduit is 60-180cm.
By above technical scheme, the present invention can obtain following technique effect.
The length of conduit is in the expansion of umbrella electrode pin or withdrawal process, and its length remains unchanged.
Umbrella electrode pin expansion withdrawal resistance is little, driving force is large.
Umbrella electrode needle tip installs temperature thermocouple, and tip is also provided with medicine-pouring hole, injectable normal saline or chemotherapeutic drugs while carrying out radio-frequency (RF) ablation, thus can increase ablation range or carry out local chemotherapy.
Accompanying drawing explanation
Fig. 1 is the outline drawing of endoscope-use umbrella shape radio-frequency ablation electrode needle of the present invention.
Fig. 2 is endoscope-use umbrella shape radio-frequency ablation electrode needle distal portions profile of the present invention.
Fig. 3 is the conduit profile of endoscope-use umbrella shape radio-frequency ablation electrode needle of the present invention.
Fig. 4 is the handle arrangement figure of endoscope-use umbrella shape radio-frequency ablation electrode needle of the present invention.
Fig. 5 is endoscope-use umbrella shape radio-frequency ablation electrode needle handle casing structure chart of the present invention.
In all figure, identical label represents identical parts, in figure the title of labelled corresponding component or assembly as follows:
1 umbrella electrode pin 2 needle point
3 conduit 4 knobs
5 handle 6 syringes
7 cable 8 plugs
9 injection nozzle 10 rules
11 thermocouple 12 connection tubes
13 central metal pipe 14 polyfluortetraethylene pipes
15,15* tinsel 16 heat-shrink tube
17 connector 18 tooth bars
19 gear 20 upper casings
21 lower casings
Detailed description of the invention
Fig. 1 is the outline drawing of endoscope-use umbrella shape radio-frequency ablation electrode needle, forms primarily of handle (5), conduit (3), needle point (2), umbrella electrode pin (1), injection nozzle (9), cable (7) and socket (8); The far-end of conduit (3) is connected with sharp needle point (2), the needle point (2) of distal end of catheter thrusts in the tissue of pathological changes by the working chamber of endoscope by umbrella shape radio-frequency ablation electrode needle, and umbrella electrode pin (1) can launch or regain in the needle point (2) of conduit (3) far-end.Handle (5) has injection nozzle (9) and syringe (6), medicinal liquid penetrates by the needle point of conduit (3) from umbrella electrode pin (1).Because conduit is soft, elongated (60-180cm), therefore the metal needle point (2) of distal end of catheter is thrust in the tissue of pathological changes by the working chamber of various endoscope by it, then launches umbrella electrode pin (1) and carries out radio-frequency (RF) ablation.Thermocouple (11) is equipped with at the tip of umbrella electrode pin (1), can carry out monitor and forecast in real time to melting temperature.Umbrella electrode pin (1) is made up of several pieces of metal capillaries, and the inner chamber of capillary tube is communicated with the injection nozzle (9) on handle (5) by conduit (3), when carrying out ablation, can while injecting normal saline or medicinal liquid to expand ablation range or local chemotherapy.
Fig. 2 is endoscope-use umbrella shape radio-frequency ablation electrode needle distal portions profile, and thermocouple (11) is equipped with at the tip of umbrella electrode pin (1), can carry out monitor and forecast in real time to melting temperature.The near-end of umbrella electrode pin (1) inserts in connection tube (12), in A means of spot welds together; Near-end B point and the central canal (13) of connection tube (12) weld together, and medicinal liquid penetrates by the tip of central canal (13), connection tube (12) and umbrella electrode pin (1); Thermocouple (11) and radio-frequency current also by above-mentioned Path Connection in handle (5), then be connected to plug (8) by cable (7).
Tinsel (15,15*) welds together at D and D* point and needle point (2), D and D* point must at needle point (2) near-end diametrically.
Central metal pipe (13) inserts in polyfluortetraethylene pipe (14), because the coefficient of friction of politef is extremely low, has fabulous lubricity, and central canal (13) therefore can be used to drive umbrella electrode pin (1) to launch and regain.
Fig. 3 is the conduit profile of endoscope-use umbrella shape radio-frequency ablation electrode needle, and tinsel (15,15*) welds together at D and D* point and needle point (2), D and D* point must at needle point (2) near-end diametrically.The near-end of tinsel (15,15*) is fixedly connected with the connector (17) in handle (5), and connector (17) is fixedly connected with handle (5) again; The skin of conduit (3) has heat-shrink tube (16) tightly two wire (15,15*), polyfluortetraethylene pipe (14) and central canal (13) wherein to be bundled, therefore the length of conduit (3) can not change, and makes umbrella electrode pin (1) successfully launch or to regain.
Fig. 4 is the handle arrangement figure of endoscope-use umbrella shape radio-frequency ablation electrode needle, the near-end of two wire in figure (15,15*) is fixedly connected with the connector (17) in handle (5), connector (17) is fixedly connected with the far-end of handle (5) again, when this structure can guarantee softness, elongated conduit (3) under tension or pressure, its length remains unchanged.
The near-end of umbrella electrode pin (1) central metal pipe (13) is connected with the back side (without the flank of tooth) of tooth bar (18), gear (19) is driven by knob (4), tooth bar (18) can move up and down along the track of handle (5), the far-end of central metal pipe (13) is connected with umbrella electrode pin (1), therefore umbrella electrode pin (1) deployable or regain.
Thermocouple (11) is equipped with at the tip of umbrella electrode pin (1), and the lead-in wire of thermocouple (11) is received on plug (8) by the inner chamber of central metal pipe (13), cable (7); The near-end (C point) of central metal pipe (13) will be connected with syringe (7), the inner chamber of central metal pipe (13) and the inner chamber of syringe (7) unimpeded, but to seal with external world's glue.
Fig. 5 is endoscope-use umbrella shape radio-frequency ablation electrode needle handle casing structure chart, and all parts shown in lower casing (21) interior installation diagram 4, upper casing (20) is equipped with transparent rule (10), and it can show the diameter that umbrella electrode pin (1) launches.
The foregoing is only several specific embodiment of the present invention, above embodiment is only for explaining and unrestricted right of the present invention technical scheme of the present invention and inventive concept.All technical staff in the art in conjunction with prior art, by the available other technologies scheme of logical analysis, reasoning or limited experimentation, also should be considered to drop within claims of the present invention on the inventive concept basis of this patent.
Claims (10)
1. an endoscope-use umbrella shape radio-frequency ablation electrode needle, comprises handle (5), conduit (3), needle point (2), umbrella electrode pin (1), injection nozzle (9), connection cord (7) and plug (8), it is characterized in that:
The far-end of described conduit (3) is connected with described needle point (2), and described umbrella electrode pin (1) can be launched or regain in described needle point (2);
Described endoscope-use umbrella shape radio-frequency ablation electrode needle also comprises catheter length maintaining body, and when can guarantee softness, elongated conduit (3) under tension or pressure, its length remains unchanged.
2. endoscope-use umbrella shape radio-frequency ablation electrode needle according to claim 1, it is characterized in that, described catheter length maintaining body comprises the parallel tinsel of in described conduit (3) two (15,15*), article two, the far-end of parallel wire (15,15*) is connected with needle point (2), and near-end is connected with handle (5).
3. endoscope-use umbrella shape radio-frequency ablation electrode needle according to claim 2, is characterized in that, also comprises central metal pipe (13), launches and regain for driving umbrella electrode pin (1); The near-end of described central metal pipe (13) is connected with tooth bar (18) back side in described handle (5), driven by knob (4) with described tooth bar (18) meshed gears (19), described tooth bar (18) can along the rail moving of handle (5), and the far-end of described central metal pipe (13) is connected with described umbrella electrode pin (1).
4. endoscope-use umbrella shape radio-frequency ablation electrode needle according to claim 3, is characterized in that, described tinsel has polyfluortetraethylene pipe (14) between (15,15*), and described central metal pipe (13) is inserted in described polyfluortetraethylene pipe (14).
5. endoscope-use umbrella shape radio-frequency ablation electrode needle according to claim 4, is characterized in that, the skin of described conduit (3) has heat-shrink tube (16).
6. endoscope-use umbrella shape radio-frequency ablation electrode needle according to claim 1 and 2, it is characterized in that, described umbrella electrode pin (1) is made up of several pieces of metal capillaries, and temperature thermocouple (11) is equipped with at its tip, can carry out monitor and forecast in real time to melting temperature.
7. endoscope-use umbrella shape radio-frequency ablation electrode needle according to claim 6, is characterized in that, described umbrella electrode pin (1) tip is provided with medicine-pouring hole.
8. endoscope-use umbrella shape radio-frequency ablation electrode needle according to claim 7, is characterized in that, the inner chamber of described metal capillary is communicated with the described injection nozzle (9) on described handle (5).
9. endoscope-use umbrella shape radio-frequency ablation electrode needle according to claim 8, it is characterized in that, the near-end of described umbrella electrode pin (1) is connected with connection tube (12) far-end, the near-end of described connection tube (12) is connected with the far-end of described central canal (13), the near-end of central metal pipe (13) is connected with the far-end of syringe (7), and the near-end of described syringe (7) is connected with described injection nozzle (9).
10. endoscope-use umbrella shape radio-frequency ablation electrode needle according to claim 1 and 2, is characterized in that, the length of described conduit is 60-180cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016343.6A CN105434040B (en) | 2016-01-11 | 2016-01-11 | Endoscope-use umbrella shape radio-frequency ablation electrode needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016343.6A CN105434040B (en) | 2016-01-11 | 2016-01-11 | Endoscope-use umbrella shape radio-frequency ablation electrode needle |
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| Publication Number | Publication Date |
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| CN105434040A true CN105434040A (en) | 2016-03-30 |
| CN105434040B CN105434040B (en) | 2018-06-29 |
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| CN201610016343.6A Active CN105434040B (en) | 2016-01-11 | 2016-01-11 | Endoscope-use umbrella shape radio-frequency ablation electrode needle |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308927A (en) * | 2016-08-22 | 2017-01-11 | 北京市肿瘤防治研究所 | Multi-tip extension type radiofrequency ablation electrode needle |
| CN106963486A (en) * | 2017-05-20 | 2017-07-21 | 王新 | A kind of esophageal regurgitation radio-frequency ablation electrode |
| CN107174336A (en) * | 2017-05-20 | 2017-09-19 | 王新 | A kind of esophageal regurgitation radio-frequency ablation electrode |
| CN107174335A (en) * | 2017-06-30 | 2017-09-19 | 哈尔滨美顿医疗科技有限公司 | To the radiofrequency catheter of alimentary canal infantile tumour RF therapy under electronic gastroscope cooperation |
| CN108056815A (en) * | 2017-12-28 | 2018-05-22 | 山东省立医院 | A kind of tumor microwave ablation needle with temperature controlling function |
| CN110169819A (en) * | 2019-05-31 | 2019-08-27 | 江苏美安医药股份有限公司 | Radiofrequency catheter rotary type goes out needle system |
| CN111658125A (en) * | 2020-05-12 | 2020-09-15 | 至善介入消融技术研究院(南京)有限公司 | Ablation catheter and ablation device for image-guided ablation |
| WO2021135460A1 (en) * | 2019-12-31 | 2021-07-08 | 杭州堃博生物科技有限公司 | Radio-frequency ablation catheter and radio-frequency ablation system |
| JP2023509660A (en) * | 2019-12-31 | 2023-03-09 | 杭州▲くん▼博生物科技有限公司 | Detection mechanism, radiofrequency ablation catheter and radiofrequency ablation system |
| CN116616887A (en) * | 2023-04-16 | 2023-08-22 | 王洪奎 | Female stress urinary incontinence radio frequency ablation electrode |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308927A (en) * | 2016-08-22 | 2017-01-11 | 北京市肿瘤防治研究所 | Multi-tip extension type radiofrequency ablation electrode needle |
| CN106963486A (en) * | 2017-05-20 | 2017-07-21 | 王新 | A kind of esophageal regurgitation radio-frequency ablation electrode |
| CN107174336A (en) * | 2017-05-20 | 2017-09-19 | 王新 | A kind of esophageal regurgitation radio-frequency ablation electrode |
| CN107174335A (en) * | 2017-06-30 | 2017-09-19 | 哈尔滨美顿医疗科技有限公司 | To the radiofrequency catheter of alimentary canal infantile tumour RF therapy under electronic gastroscope cooperation |
| CN108056815A (en) * | 2017-12-28 | 2018-05-22 | 山东省立医院 | A kind of tumor microwave ablation needle with temperature controlling function |
| CN110169819A (en) * | 2019-05-31 | 2019-08-27 | 江苏美安医药股份有限公司 | Radiofrequency catheter rotary type goes out needle system |
| WO2021135460A1 (en) * | 2019-12-31 | 2021-07-08 | 杭州堃博生物科技有限公司 | Radio-frequency ablation catheter and radio-frequency ablation system |
| JP2023509660A (en) * | 2019-12-31 | 2023-03-09 | 杭州▲くん▼博生物科技有限公司 | Detection mechanism, radiofrequency ablation catheter and radiofrequency ablation system |
| JP7416959B2 (en) | 2019-12-31 | 2024-01-17 | 杭州▲くん▼博生物科技有限公司 | Detection mechanism, radiofrequency ablation catheter and radiofrequency ablation system |
| CN111658125A (en) * | 2020-05-12 | 2020-09-15 | 至善介入消融技术研究院(南京)有限公司 | Ablation catheter and ablation device for image-guided ablation |
| CN116616887A (en) * | 2023-04-16 | 2023-08-22 | 王洪奎 | Female stress urinary incontinence radio frequency ablation electrode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105434040B (en) | 2018-06-29 |
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