CN205126409U - Radiofrequency ablation electrode with supplemental handle - Google Patents
Radiofrequency ablation electrode with supplemental handle Download PDFInfo
- Publication number
- CN205126409U CN205126409U CN201520871862.1U CN201520871862U CN205126409U CN 205126409 U CN205126409 U CN 205126409U CN 201520871862 U CN201520871862 U CN 201520871862U CN 205126409 U CN205126409 U CN 205126409U
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- Prior art keywords
- handle
- electrode
- guide pin
- pin
- radio
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Abstract
The utility model discloses a radiofrequency ablation electrode with supplemental handle belongs to the medical instrument field. This electrode package draws together electrode needle, guide pin, guide pin seat, fixed handle, sliding guide, slip handle, cable conductor, electric plug and supplemental handle. The electrode needle passes through the cable conductor electricity and connects the electric plug, and the guide pin is propped by the guide pin abutment, and the front end at fixed handle is established to the guide pin seat, and sliding guide establishes in the fixed handle rear end, and the slip handle is connected with the electrode needle to along sliding guide endwise slip, in order to release or to draw in guide pin needle chamber with the electrode needle. Be equipped with two round hole structures on the fixed handle lateral wall. Supplemental handle is U -shaped steel plate structure, and including the first splenium of pressing of two relative side arms, connection side arm, the side arm tip sets up the axial fixity hole for fix at the round hole structural, the slip handle can be in supplemental handle's U -shaped inner chamber axial motion. Slip handle tip is equipped with the two wing structure's in area second and presses the splenium. This electrode can avoid the electrode needle to take place the displacement, improves its operational safety.
Description
Technical field
This utility model relates to medical instruments field, particularly a kind of radio-frequency ablation electrode with auxiliary handle.
Background technology
Radio-frequency ablation electrode is the auxiliary electrode be applied in radio frequency ablation system, be usually used in the treatment of the region tumors such as liver, lung, in use, be electrically connected on radio frequency ablation system, the electrode needle on it is made to enter tissue, and radio-frequency signal generator with radio frequency ablation system inner in tissue, electrode in vitro are formed and treat loop, generation radio-frequency current, and then change into heat energy to kill tumor cell.Visible, radio-frequency ablation electrode kills tumor cell by heat energy, can not impact, have no side effect, have a good application prospect to normal cell.So, provide a kind of radio-frequency ablation electrode very necessary.
For example, prior art provides so a kind of radio-frequency ablation electrode, comprises electrode needle, guide pin, guide pin seat, fixed handle, sliding handle, cable and plug.Wherein.Sliding handle can axially-movable in fixed handle, to realize releasing electrode needle or electrode needle retracted in guide pin from guide pin.
Designer finds that prior art at least exists following problem:
The radio-frequency ablation electrode that prior art provides, when radiofrequency ablation procedures is complete, left hand is needed to hold fixed handle, the right hand then pulls sliding handle, to retract in guide pin by electrode needle, not only operate inconvenience, and both hands are firmly difficult to keep balance, easily make electrode needle displacement, reduce the safety during operation of this radio-frequency ablation electrode.
Utility model content
This utility model embodiment technical problem to be solved is, provides a kind of easy to operate, avoids electrode needle retracting the radio-frequency ablation electrode with auxiliary handle be subjected to displacement in process.Concrete technical scheme is as follows:
With a radio-frequency ablation electrode for auxiliary handle, comprise body and auxiliary handle, described body comprises electrode needle, guide pin, guide pin seat, fixed handle, rail plate, sliding handle, cable, plug;
Described electrode needle is electrically connected described plug by described cable, described guide pin is by described guide pin seat supports, described guide pin seat is fixed on the front end of described fixed handle, described rail plate is fixed on the rear end of described fixed handle, described sliding handle is connected with described electrode needle, and can slide axially along described rail plate, described electrode needle is released or draws in the pin chamber of described guide pin;
The sidewall that described fixed handle is relative being provided with the borehole structure of two outwardly convexs, referring to for stretching into hands; Described auxiliary handle takes the shape of the letter U steel plate structure, comprise two side arms be oppositely arranged, the first press section connecting two described side arms, the end of described side arm is provided with axial restraint hole, for being fixed on described borehole structure, described sliding handle can axially-movable in the U-shaped inner chamber of described auxiliary handle;
The end of described sliding handle is provided with the second press section, and the both sides of described second press section push away before being provided with and being convenient to, the bi-wing configuration of post-tensioning.
Particularly, as preferably, described sliding handle also comprises handle body, and described second press section is arranged on described handle body end;
Described handle body is connected with described electrode needle, and can slide axially along described rail plate, and the sidewall of described second press section contacts slidably with the inwall of described auxiliary handle U-shaped inner chamber.
Particularly, as preferably, described electrode needle comprises the center primary electrode pin of hollow and the uniform ring multiple surrounding sub-electrode pins around described center primary electrode pin surrounding;
The root weld of described surrounding sub-electrode pin is on the outer surface of described center primary electrode pin.
Particularly, as preferably, the preforming of described surrounding sub-electrode pin has specific radian, and multiple described surrounding sub-electrode pin is arranged in around described center primary electrode pin in umbrella in the axial direction.
Particularly, as preferably, described guide pin seat is the pyramidal structure of hollow, and surface is provided with the medicine-pouring port be connected with the pin chamber of described guide pin.
The beneficial effect that the technical scheme that this utility model embodiment provides is brought is:
The radio-frequency ablation electrode with auxiliary handle that this utility model embodiment provides, by the axial restraint hole of above-mentioned auxiliary handle being aimed at the borehole structure of fixed handle, this borehole structure is inserted in the axial restraint hole of this auxiliary handle, to make sliding handle axially-movable in the U-shaped inner chamber of auxiliary handle.When electrode needle being retracted guide pin pin chamber, forefinger and middle finger are held the bi-wing configuration of both sides, sliding handle second press section, thumb presses the first press section of auxiliary handle gently, and forefinger and middle finger and thumb are exerted oneself in opposite directions, and sliding handle can be made electrode needle to be retracted guide pin pin chamber.Visible, the radio-frequency ablation electrode that this utility model embodiment provides, is exerted oneself in opposite directions by the finger of one hand, ensure that each finger force balances, unstable power can not be produced, be moved when avoiding electrode needle to move, the displacement movement such as vibration, effectively improve the processing safety of this radio-frequency ablation electrode.And this auxiliary handle device structure is simple, can put aside at any time, can not affect the working place of ablation procedure when not needing.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in this utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is in the radio-frequency ablation electrode that provides of this utility model embodiment, the structural representation of body;
Fig. 2 is in the radio-frequency ablation electrode that provides of the another embodiment of this utility model, the structural representation of auxiliary handle;
Fig. 3 is in the radio-frequency ablation electrode that provides of the another embodiment of this utility model, view when auxiliary handle and body fits use.
Reference numeral represents respectively:
1 electrode needle,
101 center primary electrode pins,
102 surrounding sub-electrode pins,
2 guide pins,
3 guide pin seats,
4 fixed handles,
401 borehole structures,
5 rail plates,
6 sliding handles,
601 handle bodies,
602 second press sections,
7 cables,
8 plugs,
9 auxiliary handles,
901 side arms,
902 first press sections
903 axial restraint holes,
10 medicine-pouring ports.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, this utility model embodiment is described in further detail.
This utility model embodiment provides a kind of radio-frequency ablation electrode with auxiliary handle, comprise body and auxiliary handle 9, as shown in Figure 1, body comprises electrode needle 1, guide pin 2, guide pin seat 3, fixed handle 4, rail plate 5, sliding handle 6, cable 7, plug 8.Wherein, electrode needle 1 is electrically connected plug 8 by cable 7, guide pin 2 is supported by guide pin seat 3, guide pin seat 3 is fixed on the front end of fixed handle 4, rail plate 5 is fixed on the rear end of fixed handle 4, and sliding handle 6 is connected with electrode needle 1, and can slide axially along rail plate 5, electrode needle 1 is released or to be drawn in the pin chamber of guide pin 2.The sidewall that fixed handle 4 is relative is provided with the borehole structure 401 of two outwardly convexs, for stretching into finger.As shown in Figure 2, auxiliary handle 9 takes the shape of the letter U steel plate structure, comprise two side arms 901 be oppositely arranged, the first press section 902 connecting two side arms 901, the end of side arm 901 is provided with axial restraint hole 903, for being fixed on borehole structure 401, can see Fig. 3, sliding handle 6 can axially-movable in the U-shaped inner chamber of auxiliary handle 9, the both sides that the end of sliding handle 6 is provided with the second press section 602, press section 602, second push away before being provided with and being convenient to, the bi-wing configuration of post-tensioning
The radio-frequency ablation electrode with auxiliary handle 9 that this utility model embodiment provides, as shown in Figure 3, by the axial restraint hole 903 of above-mentioned auxiliary handle 9 being aimed at the borehole structure 401 of fixed handle 4, this borehole structure 401 is inserted in the axial restraint hole 903 of this auxiliary handle 9, to make sliding handle 6 axially-movable in the U-shaped inner chamber of auxiliary handle 9.When electrode needle 1 being retracted guide pin 2 pin chamber, forefinger and middle finger are held the bi-wing configuration of both sides, sliding handle 6 second press section 602, thumb presses the first press section 902 of auxiliary handle 9 gently, forefinger and middle finger and thumb are exerted oneself in opposite directions, can make sliding handle 6 that electrode needle 1 is retracted guide pin 2 pin chamber.Visible, the radio-frequency ablation electrode that this utility model embodiment provides, is exerted oneself in opposite directions by the finger of one hand, ensure that each finger force balances, unstable power can not be produced, be moved when avoiding electrode needle 1 to move, the displacement movement such as vibration, effectively improve the processing safety of this radio-frequency ablation electrode.And this auxiliary handle 9 apparatus structure is simple, and the direction in use towards sliding handle 6 is moved, and not easily comes off, and can put aside at any time when not using, and can not affect the working place of ablation procedure.
Be understandable that, the various geometries of suitable pressing, such as truncated cone-shaped, mesa-shaped etc. also can be arranged in the first press section 902 of auxiliary handle 9.Concave inward structure can also be arranged in the outer face of this first press section 902, so that fixing thumb.The structure and the axial restraint hole 903 on auxiliary handle 9 also takes the shape of the letter U.
Particularly, sliding handle 6 also comprises handle body 601, and the second press section 602 is arranged on handle body 601 end, and wherein, the front end of handle body 601 is connected with electrode needle 1, and this handle body 601 slides axially along rail plate 5.At handle body 601 along along in rail plate 5 in axial sliding process, the sidewall of the second press section 602 contacts slidably with the inwall of auxiliary handle 9U shape inner chamber, that is the size of the U-shaped inner chamber of auxiliary handle 9 is just with the in the same size of the second press section 602 or be a bit larger tham the second press section 602, and the motion of the second press section 602 can not be affected.Setting like this, can improve sliding handle 6 further and retract stability in process, ensure that electrode needle 1 retracts in the pin chamber of guide pin 2 reposefully.Particularly, the both sides of the second press section 602 of sliding handle 6 arrange be convenient to before push away, the bi-wing configuration of post-tensioning, be beneficial to realize the release of electrode needle 1 and retract.
Particularly, in the radio-frequency ablation electrode that this utility model embodiment provides, electrode needle 1 used is preferably multi-level electrode pin, and particularly, this electrode needle 1 comprises the center primary electrode pin 101 of hollow and the uniform ring multiple surrounding sub-electrode pins 102 around center primary electrode pin 101 surrounding; Around the root weld of sub-electrode pin 102 is on the outer surface of center primary electrode pin 101.In addition, around this, sub-electrode pin 102 preforming has specific radian, and multiple surrounding sub-electrode pin 102 is arranged in around center primary electrode pin 101 in umbrella in the axial direction.Setting like this, not only makes this radio-frequency ablation electrode under the prerequisite of less puncture wound, obtain larger ablation expanded range.In use, when driven forward sliding handle 6, it drives center primary electrode pin 101 travel forward together with surrounding sub-electrode pin 102 and stretch out in guide pin 2, due to the elastic memory of metal, around sub-electrode pin 102 will be opened automatically, is arranged in around center primary electrode pin 101 in umbrella.As preferably, rail plate 5 can be provided with scale, so that the size opened according to this specific graduation position reading center primary electrode pin 101 and surrounding sub-electrode pin 102.
It will be appreciated by persons skilled in the art that around sub-electrode pin 102 can also the umbrella-shaped structure of 2 layers or more layers be arranged in around center primary electrode pin 101.Above-mentioned center primary electrode pin 101 and surrounding sub-electrode pin 102 are of a size of well known in the art, and the overall diameter of such as center primary electrode pin 101 is 0.6-1.0mm, for example, can be 0.7mm, 0.75mm, 0.8mm, 0.85mm, 0.9mm, 0.95mm etc.After electrode needle 1 is opened from guide pin 2, around sub-electrode pin 102 is distributed in around center primary electrode pin 101 in umbrella, the diameter of opening of the umbrella-shaped structure that surrounding sub-electrode pin 102 is formed is 20-55mm, for example, can be 25mm, 30mm, 35mm, 40mm, 41mm, 44mm, 48mm etc.
Further, in the radio-frequency ablation electrode that this utility model embodiment provides, the pyramidal structure of guide pin seat 3 in hollow, its surface is provided with the medicine-pouring port 10 be connected with the pin chamber of guide pin 2, so that medicinal liquid to be injected is inputted tissue zone of ablation thus.Also can be welded with a temperature sensor at the head of center primary electrode pin 1, it is drawn through temperature sensing wire, and be connected with cable 7 and plug 8, and plug 8 is while being electrically connected with external radio frequency ablation system (i.e. radio-frequency (RF) ablation work station), also can be electrically connected with outside temperature controlling instruments, so that know the temperature of zone of ablation in real time, improve the processing safety of radio-frequency (RF) ablation.
The foregoing is only preferred embodiment of the present utility model; not in order to limit protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. with a radio-frequency ablation electrode for auxiliary handle, comprise body and auxiliary handle, described body comprises electrode needle, guide pin, guide pin seat, fixed handle, rail plate, sliding handle, cable, plug;
Described electrode needle is electrically connected described plug by described cable, described guide pin is by described guide pin seat supports, described guide pin seat is fixed on the front end of described fixed handle, described rail plate is fixed on the rear end of described fixed handle, described sliding handle is connected with described electrode needle, and can slide axially along described rail plate, described electrode needle is released or draws in the pin chamber of described guide pin;
The sidewall that described fixed handle is relative being provided with the borehole structure of two outwardly convexs, referring to for stretching into hands; Described auxiliary handle takes the shape of the letter U steel plate structure, comprise two side arms be oppositely arranged, the first press section connecting two described side arms, the end of described side arm is provided with axial restraint hole, for being fixed on described borehole structure, described sliding handle can axially-movable in the U-shaped inner chamber of described auxiliary handle;
The end of described sliding handle is provided with the second press section, and the both sides of described second press section push away before being provided with and being convenient to, the bi-wing configuration of post-tensioning.
2. radio-frequency ablation electrode according to claim 1, is characterized in that, described sliding handle also comprises handle body, and described second press section is arranged on described handle body end;
Described handle body is connected with described electrode needle, and can slide axially along described rail plate, and the sidewall of described second press section contacts slidably with the inwall of described auxiliary handle U-shaped inner chamber.
3. radio-frequency ablation electrode according to claim 1, is characterized in that, described electrode needle comprises the center primary electrode pin of hollow and the uniform ring multiple surrounding sub-electrode pins around described center primary electrode pin surrounding;
The root weld of described surrounding sub-electrode pin is on the outer surface of described center primary electrode pin.
4. radio-frequency ablation electrode according to claim 3, is characterized in that, it is characterized in that, the preforming of described surrounding sub-electrode pin has specific radian, and multiple described surrounding sub-electrode pin is arranged in around described center primary electrode pin in umbrella in the axial direction.
5. radio-frequency ablation electrode according to claim 1, is characterized in that, described guide pin seat is the pyramidal structure of hollow, and surface is provided with the medicine-pouring port be connected with the pin chamber of described guide pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520871862.1U CN205126409U (en) | 2015-11-03 | 2015-11-03 | Radiofrequency ablation electrode with supplemental handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520871862.1U CN205126409U (en) | 2015-11-03 | 2015-11-03 | Radiofrequency ablation electrode with supplemental handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205126409U true CN205126409U (en) | 2016-04-06 |
Family
ID=55612237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520871862.1U Expired - Fee Related CN205126409U (en) | 2015-11-03 | 2015-11-03 | Radiofrequency ablation electrode with supplemental handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205126409U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110537976A (en) * | 2019-09-03 | 2019-12-06 | 明丽健康产业(浙江)有限公司 | Needle electrode for radiofrequency ablation |
| CN113855220A (en) * | 2021-11-01 | 2021-12-31 | 北京博莱德光电技术开发有限公司 | Radio frequency ablation method, system, storage medium and intelligent terminal |
-
2015
- 2015-11-03 CN CN201520871862.1U patent/CN205126409U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110537976A (en) * | 2019-09-03 | 2019-12-06 | 明丽健康产业(浙江)有限公司 | Needle electrode for radiofrequency ablation |
| CN113855220A (en) * | 2021-11-01 | 2021-12-31 | 北京博莱德光电技术开发有限公司 | Radio frequency ablation method, system, storage medium and intelligent terminal |
| CN113855220B (en) * | 2021-11-01 | 2022-05-24 | 北京博莱德光电技术开发有限公司 | Radio frequency ablation method, system, storage medium and intelligent terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20191103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |