CN204484304U - Split type radio-frequency ablation electrode needle - Google Patents
Split type radio-frequency ablation electrode needle Download PDFInfo
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- CN204484304U CN204484304U CN201420806495.2U CN201420806495U CN204484304U CN 204484304 U CN204484304 U CN 204484304U CN 201420806495 U CN201420806495 U CN 201420806495U CN 204484304 U CN204484304 U CN 204484304U
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- transfusion
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- ablation electrode
- needle tubing
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Abstract
Split type radio-frequency ablation electrode needle, comprise: handle, the needle tubing be arranged on described handle, the tube for transfusion be connected with described needle tubing, the RF power line be connected with described needle tubing, described tube for transfusion is connected with medical fluid injector, and described RF power line is connected with radio-frequency signal generator; Described tube for transfusion is connected with described medical fluid injector by tube for transfusion extended line, is provided with quick detach line check valve between described tube for transfusion and described tube for transfusion extended line; Described RF power line is connected with described radio-frequency signal generator by Electric Wires & Cables extended line, is provided with quick detach electrical connector between described RF power line and described Electric Wires & Cables extended line.This utility model adopts the radio-frequency ablation electrode needle of split-type structural, and radio frequency needle main body and extension tube wire terminal two parts separately, meet the various operational requirements of doctor, reach best Needle localization effect.
Description
Technical field
This utility model belongs to technical field of medical instruments, particularly relates to a kind of liquid injecting type radio-frequency ablation electrode needle being used for the treatment of the tumor such as hepatocarcinoma, pulmonary carcinoma.
Background technology
Radio frequency tumour ablation art is the new technique of a kind of entity tumor minimally-invasive treatment in recent years risen, due to compared with traditional treatment, there is the advantages such as curative effect is high, wound is little, misery is little, recovery is fast, no sequel, indication are wide, patient can be made to exempt the hardship of operating on, therefore development rapidly, extensively for doctor and patient accepts.
Radio-frequency ablation electrode needle is the key element in radiofrequency ablation therapy system, and during for oncotherapy, radio-frequency ablation electrode needle directly inserts in patient body, plays decisive role to therapeutic effect.Radio-frequency ablation electrode needle can be divided into single needle type and spininess type two class by the number of electrode needle quantity, along with the development of radio-frequency ablation technique, have also appeared the type such as water cooled electrode pin, injectable medicinal liquid formula electrode needle afterwards.In clinical practice, spininess type radio-frequency ablation electrode needle ablation range is large, but size is also large simultaneously, adds the Potential danger of damage adjacent tissue; Single needle type radio-frequency ablation electrode needle has the advantages that spatial volume is little, own wt is light, flexible and convenient to use, but shortcoming to be ablation range less.At present, from the statistical data of domestic anti-curing oncoma, in oncotherapy, major part is Advanced cancers, gross tumor volume is larger, when Clinical practice single needle type radio-frequency ablation electrode needle carries out ablation, often need to carry out repeatedly Needle localization to melt, treatment time is long, wound point is many, ablation effect is not obvious, is the puzzlement of clinician always.And, prolongation pipeline is all connected with after the handle of existing electrode needle, extend in pipeline and be typically provided with liquor piping, cooling water pipeline, cable channel etc., doctor is when carrying out Needle localization, and be easily subject to the weight extending pipeline and the impact involved, operation has limitation, affect Needle localization effect, and after Needle localization is carried out to shallow tissue, electrode needle also can because of its rear end extend pipeline weight affect generation puncture position skew, affect therapeutic effect.
Utility model content
The purpose of this utility model is to provide a kind of radio-frequency ablation electrode needle adopting split-type structural, and radio frequency needle main body and extension tube wire terminal two parts separately, meet the various operational requirements of doctor, reach best Needle localization effect.
To achieve these goals, this utility model takes following technical solution:
Split type radio-frequency ablation electrode needle, comprise: handle, the needle tubing be arranged on described handle, the tube for transfusion be connected with described needle tubing, the RF power line be connected with described needle tubing, described tube for transfusion is connected with medical fluid injector, and described RF power line is connected with radio-frequency signal generator; Described tube for transfusion is connected with described medical fluid injector by tube for transfusion extended line, is provided with quick detach line check valve between described tube for transfusion and described tube for transfusion extended line; Described RF power line is connected with described radio-frequency signal generator by Electric Wires & Cables extended line, is provided with quick detach electrical connector between described RF power line and described Electric Wires & Cables extended line.
The split type radio-frequency ablation electrode needle of this utility model more specifically technical scheme is, thermocouple is provided with in described needle tubing, described thermocouple perforation enters needle tubing inside described in described tube for transfusion, its front end edge and extends and be fixed on by point for measuring temperature in the needle point of described needle tubing, described thermocouple is connected with thermocouple compensation, described thermocouple compensation and described RF power line are arranged in Electric Wires & Cables, and described Electric Wires & Cables is connected with described Electric Wires & Cables extended line by quick detach electrical connector.
The split type radio-frequency ablation electrode needle of this utility model more specifically technical scheme is: described quick detach line check valve comprises Rule check valve female joint and Rule check valve male joint, described tube for transfusion tail end arranges Rule check valve female joint, and described tube for transfusion extended line front end arranges Rule check valve male joint.
The split type radio-frequency ablation electrode needle of this utility model more specifically technical scheme is: described tube for transfusion extended line and described Electric Wires & Cables extended line are fixed together by card pipe thread.
The split type radio-frequency ablation electrode needle of this utility model more specifically technical scheme is: described card pipe thread is transparent doctor's card pipe thread.
The split type radio-frequency ablation electrode needle of this utility model more specifically technical scheme is: described tube for transfusion is transparent tube for transfusion.
The split type radio-frequency ablation electrode needle of this utility model more specifically technical scheme is: on described needle tubing, cover has medical sleeve pipe, and the front portion of described needle tubing is exposed.
The split type radio-frequency ablation electrode needle of this utility model more specifically technical scheme is: described thermocouple is armouring nickel chromium-nickel silicon thermocouple.
The split type radio-frequency ablation electrode needle of this utility model more specifically technical scheme is: described handle comprises the handle protecgulum, handle main body, the handle bonnet that are connected successively, needle tubing holder is provided with in described handle protecgulum, described needle tubing rear portion to be inserted in described needle tubing holder and is fixed with needle tubing holder, and described syringe rear end is connected with described tube for transfusion.
The split type radio-frequency ablation electrode needle of this utility model more specifically technical scheme is: described thermocouple is arranged in described handle main body.
From above technical scheme, ablating electrode pin of the present utility model adopts split-type structural, entirety is divided into electrode needle body and extends pipeline two parts, tube for transfusion and the tube for transfusion extended line of electrode needle body use quick detach check valve to be communicated with, the Electric Wires & Cables of electrode needle body is connected with Electric Wires & Cables extended line by quick detach electrical connector, first puncture during treatment line again, alleviate the own wt of radio frequency needle main body on the one hand, after preventing that Needle localization is carried out to shallow tissue, because of own wt overweight generation puncture position offset problem, and doctor is in the operating process of Needle localization process, not by weight and the impact involved of extension tube wire terminal, overcome the limitation in space in image documentation equipment, facilitate the various operational requirements of doctor, reach best Needle localization effect, on the other hand, before puncture, by injecting the air thoroughly got rid of in two parts medicine liquid channel, can effectively prevent in the air Injection body in medicine liquid channel, to medicinal liquids such as injecting normal saline, ethanol, chemotherapy liquid medicine in pathological tissues, the effect increasing ablation range can be reached simultaneously.And in this utility model preferred version, ablating electrode pin, built with the thermocouple for thermometric and temperature control, by being connected with radio-frequency signal generator, being measured the treatment temperature organized by ablation lesion in real time, thus being allowed doctor better assess curative effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment;
Fig. 2 is the sectional view of this utility model radio frequency needle main body;
Fig. 3 is the partial enlargement structural representation of I part in Fig. 1.
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in more detail.
Detailed description of the invention
With reference to Fig. 1, Fig. 2 and Fig. 3, split type radio-frequency ablation electrode needle of the present utility model comprises needle tubing 1, handle 2, quick detach electrical connector 3, quick detach line check valve 4, tube for transfusion 5, Electric Wires & Cables 6, electric connector 7, syringe union joint 8, tube for transfusion extended line 9 and Electric Wires & Cables extended line 10.
Needle tubing 1 comprises needle point 1-1 and cannula body 1-2, and needle point 1-1 is positioned at cannula body 1-2 front end, and needle point 1-1 is provided with and the medicine liquid outlet 1a be communicated with in cannula body 1-2, and cannula body 1-2 is fixed on handle 2.There is medical sleeve pipe 11 at needle tubing 1 overcoat, and the front portion of needle tubing 1 is exposed.Handle 2 comprises handle protecgulum 2-1, the handle main body 2-2 and handle bonnet 2-3 that are connected successively, needle tubing holder 2-4 is arranged in handle protecgulum 2-1, needle tubing 1 rear portion to be inserted in needle tubing holder 2-4 and is adhesively fixed with needle tubing holder 2-4, and needle tubing 1 rear end is connected with tube for transfusion 5.Tube for transfusion 5 stretches out outside handle 2, tube for transfusion 5 is connected with tube for transfusion extended line 9 by quick detach line check valve 4, the quick detach line check valve 4 of the present embodiment comprises Rule check valve female joint 4-1 and Rule check valve male joint 4-2, tube for transfusion 5 tail end arranges Rule check valve female joint 4-1, tube for transfusion extended line 9 front end arranges Rule check valve male joint 4-2, adopts Rule check valve can realize tube for transfusion and is connected with the quick of tube for transfusion extended line.Tube for transfusion extended line 9 tail end is provided with syringe union joint (female Luer) 8, for being connected with medical fluid injector (not shown).
Thermocouple 12 is provided with in this utility model electrode needle, the thermocouple that the present embodiment adopts is armouring nickel chromium-nickel silicon thermocouple, thermocouple 12 is arranged in handle main body 2-2, after thermocouple twelve punch enters tube for transfusion 5, point for measuring temperature 12a is fixed in needle point 1-1 by the extension of its front end edge cannula body 1-2 inside, glue sealing is mended in perforation place of tube for transfusion 5, the lead-out wire of thermocouple 12 is connected with thermocouple compensation 13, thermocouple compensation 13 is arranged in Electric Wires & Cables 6, the present embodiment tube for transfusion 5 part is arranged in Electric Wires & Cables 6, tube for transfusion 5 back segment stretches out from Electric Wires & Cables 6, tube for transfusion 5 also can not be located in Electric Wires & Cables.RF power line 14 is welded with the inner side that needle tubing holder 2-4 fixes at needle tubing 1, RF power line 14 is also located in Electric Wires & Cables 6, thermocouple compensation 13 and RF power line 14 to be connect soon with Electric Wires & Cables extended line 10 by quick detach electrical connector 3 and are connected, and are provided with thermocouple compensation and RF power line in Electric Wires & Cables extended line 10 equally.The Electric Wires & Cables of the present embodiment and Electric Wires & Cables extended line all adopt the high-elastic flexible cable of replica TPE, and the tail end of Electric Wires & Cables extended line 10 arranges electric connector 7, and it is connected with radio-frequency signal generator (not shown) by electric connector 7.The present embodiment adopts card pipe thread 15 tube for transfusion extended line 9 and Electric Wires & Cables extended line 10 to be fixed together, and puts neatly to keep cable.
Electrode needle body (needle tubing and handle portion) is connected by quick detach connector (quick detach line check valve and quick detach electric connector) with extended line main body (tube for transfusion extended line and Electric Wires & Cables extended line part) by this utility model, two parts can connect by quick detach soon, during Clinical practice, first in Rule check valve female joint 4-1 of tube for transfusion 5 tail end of electrode needle body, inject treatment medicinal liquid, until the medicine liquid outlet 1a of needle point 1-1 discharges medicinal liquid, what complete electrode needle body medicine liquid channel is emptying, by image technology (ultrasonic or CT, MR) guiding, find pathological tissues position accurately, electrode needle is inserted, complete Needle localization, in the syringe union joint 8 of tube for transfusion extended line 9 tail end, inject treatment medicinal liquid, until Rule check valve male joint 4-2 of tube for transfusion extended line 9 front end discharges medicinal liquid, complete the emptying of tube for transfusion extended line 9 medicine liquid channel, then syringe union joint 8 and medical fluid injector is made to keep being connected, connect the quick detach line check valve 4 on tube for transfusion 5 and tube for transfusion extended line 9, connect Electric Wires & Cables 6 and the quick detach electrical connector 3 on Electric Wires & Cables extended line 10, electric connector 7 on Electric Wires & Cables extended line 10 is connected with radio-frequency signal generator, treatment parameter is set and starts treatment.During treatment, thermocouple 12 measures the treatment temperature organized by ablation lesion in real time, treatment temperature is controlled between 70 DEG C-100 DEG C, makes the bare electrode surface of needle tubing 1 can not produce incrustation and carbonization, precisely controls ablation range, safe and reliable.In Clinical practice process, radio-frequency signal generator exports radio-frequency (RF) energy, simultaneously through tube for transfusion toward medicinal liquids such as saline injection, ethanol, chemotherapy liquid medicine in pathological tissues, ablation range can be increased further.Tube for transfusion of the present utility model and card pipe thread preferably use transparent medical material to make, and can know the situation seeing that inner medicinal liquid passes through, and can prevent from, because pipeline is separated, easily messy knotting problem occurs, succinctly facilitating simultaneously.
Electrode needle body and extended line main body adopt fast joint to be connected by this utility model, for split-type structural, two parts can independent packaging, in clinical manipulation process, doctor can first by after electrode needle body Needle localization, connect again and extend pipeline, doctor carries out in the operating process of Needle localization finding pathological tissues accurately, not by the weight extending pipeline and the impact involved, after preventing that Needle localization is carried out to shallow tissue, because of own wt overweight generation puncture position offset problem, effectively can overcome the limitation in space in image documentation equipment, facilitate the various operational requirements of doctor, alleviate intensity and the pressure of doctor's operation, thus reach pathological tissues is precisely controlled, safe and reliable therapeutic effect.
Above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although be described in detail this utility model with reference to above-described embodiment, those of ordinary skill in the field are to be understood that, still can modify to detailed description of the invention of the present utility model or equivalent replacement, and not departing from any amendment of this utility model spirit and scope or equivalent replacement, it all should be encompassed among right of the present utility model.
Claims (10)
1. split type radio-frequency ablation electrode needle, comprise: handle, the needle tubing be arranged on described handle, the tube for transfusion be connected with described needle tubing, the RF power line be connected with described needle tubing, described tube for transfusion is connected with medical fluid injector, and described RF power line is connected with radio-frequency signal generator;
It is characterized in that:
Described tube for transfusion is connected with described medical fluid injector by tube for transfusion extended line, is provided with quick detach line check valve between described tube for transfusion and described tube for transfusion extended line; Described RF power line is connected with described radio-frequency signal generator by Electric Wires & Cables extended line, is provided with quick detach electrical connector between described RF power line and described Electric Wires & Cables extended line.
2. split type radio-frequency ablation electrode needle as claimed in claim 1, it is characterized in that: in described needle tubing, be provided with thermocouple, described thermocouple perforation enters needle tubing inside described in described tube for transfusion, its front end edge and extends and be fixed on by point for measuring temperature in the needle point of described needle tubing, described thermocouple is connected with thermocouple compensation, described thermocouple compensation and described RF power line are arranged in Electric Wires & Cables, and described Electric Wires & Cables is connected with described Electric Wires & Cables extended line by quick detach electrical connector.
3. split type radio-frequency ablation electrode needle as claimed in claim 1 or 2, it is characterized in that: described quick detach line check valve comprises Rule check valve female joint and Rule check valve male joint, described tube for transfusion tail end arranges Rule check valve female joint, and described tube for transfusion extended line front end arranges Rule check valve male joint.
4. split type radio-frequency ablation electrode needle as claimed in claim 1, is characterized in that: described tube for transfusion extended line and described Electric Wires & Cables extended line are fixed together by card pipe thread.
5. split type radio-frequency ablation electrode needle as claimed in claim 4, is characterized in that: described card pipe thread is transparent doctor's card pipe thread.
6. split type radio-frequency ablation electrode needle as claimed in claim 1, is characterized in that: described tube for transfusion is transparent tube for transfusion.
7. split type radio-frequency ablation electrode needle as claimed in claim 1, is characterized in that: on described needle tubing, cover has medical sleeve pipe, and the front portion of described needle tubing is exposed.
8. split type radio-frequency ablation electrode needle as claimed in claim 2, is characterized in that: described thermocouple is armouring nickel chromium-nickel silicon thermocouple.
9. split type radio-frequency ablation electrode needle as claimed in claim 1, it is characterized in that: described handle comprises the handle protecgulum, handle main body, the handle bonnet that are connected successively, needle tubing holder is provided with in described handle protecgulum, described needle tubing rear portion to be inserted in described needle tubing holder and is fixed with needle tubing holder, and described syringe rear end is connected with described tube for transfusion.
10. split type radio-frequency ablation electrode needle as claimed in claim 9, is characterized in that: described thermocouple is arranged in described handle main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420806495.2U CN204484304U (en) | 2014-12-17 | 2014-12-17 | Split type radio-frequency ablation electrode needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420806495.2U CN204484304U (en) | 2014-12-17 | 2014-12-17 | Split type radio-frequency ablation electrode needle |
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| Publication Number | Publication Date |
|---|---|
| CN204484304U true CN204484304U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420806495.2U Active CN204484304U (en) | 2014-12-17 | 2014-12-17 | Split type radio-frequency ablation electrode needle |
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| CN (1) | CN204484304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274240A (en) * | 2020-10-28 | 2021-01-29 | 青岛钰仁医疗科技有限公司 | Angle-variable plasma electrode cutter head |
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2014
- 2014-12-17 CN CN201420806495.2U patent/CN204484304U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274240A (en) * | 2020-10-28 | 2021-01-29 | 青岛钰仁医疗科技有限公司 | Angle-variable plasma electrode cutter head |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |