CN205234624U - Radio -frequency melting device - Google Patents
Radio -frequency melting device Download PDFInfo
- Publication number
- CN205234624U CN205234624U CN201520886077.3U CN201520886077U CN205234624U CN 205234624 U CN205234624 U CN 205234624U CN 201520886077 U CN201520886077 U CN 201520886077U CN 205234624 U CN205234624 U CN 205234624U
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- radio frequency
- handle
- needle tubing
- outer needle
- main pin
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Abstract
The utility model discloses a radio -frequency melting device, include: the handle, the outer needle pipe, with handle relatively fixed, the lateral wall of outer needle pipe has a plurality of through -holes, the one end of keeping away from the handle at the outer needle pipe is fixed to the syringe needle, the radio frequency needle, including main needle portion and a plurality of tip and the fixed elasticity radio frequency portion of melting of main needle portion, go up main needle portion slip endotheca and in the one end of main needle portion stretched into the handle, each elasticity radio frequency portion of melting and the through -hole that corresponds cooperated at the outer needle pipe, the slider, it sets up on the handle slider and the main relatively fixed of needle portion to slide. The utility model discloses a slider can drive the main needle portion motion of radio frequency needle to driving the elasticity radio frequency portion of melting and wearing out the outer needle pipe or take in outer needle intraductal, each elasticity radio frequency portion of melting wears out to be the umbrella -type behind the through -hole, can control umbellate size through the motion amplitude who controls main needle portion, the tumor tissue of adaptation all size that promptly can be better, and the radio -frequency melting device suitability is strong.
Description
Technical field
The utility model relates to medicine equipment, is specifically related to RF ablation device.
Background technology
RF ablation is widely used in treating the malignant tumour at the positions such as liver, kidney, soft tissue, and curative effect and operation to part small lesion are suitable.
According to the situation not of uniform size of tumor focus, existing RF ablation device comprises single needle and spininess, but the tumor tissues in human organ comprises rule and irregular shape and size, conventional electrode catheter is definite shape substantially, in the time implementing ablative surgery, because shape and the size of tumor tissues do not conform to electrode catheter, can cause operating time to extend, increase patient's misery, increased the danger of complication, reduced result for the treatment of.
Utility model content
The utility model, for the problems referred to above, has proposed a kind of RF ablation device. Solved prior art electrode catheter and be substantially definite shape, when out of style with the shape of tumor tissues and size, can cause operating time extend, increase patient misery, reduced the problems such as result for the treatment of.
The technical scheme that the utility model is taked is as follows:
A kind of RF ablation device, comprising:
Handle;
The outer needle tubing of hollow, relative with handle fixing, outer needle tubing has some along the uniform through hole of self circumferencial direction away from the sidewall of handle;
Syringe needle, is fixed on outer needle tubing one end away from handle;
Radio frequency needle, comprise that main pin portion and multiple end and main pin portion fix and melt portion along the circumferential equally distributed elastic radio frequency of main pin portion, described main pin portion sliding inner sleeve outside on needle tubing and one end of main pin portion stretches in described handle, each elastic radio frequency melts portion and coordinates with corresponding through hole, and main pin portion drives the elastic radio frequency portion of melting to pass in outer needle tubing or the outer needle tubing of income while slip;
Slide block, is slidably arranged on described handle, and slide block is relative fixing with described main pin portion.
Can drive the main pin portion motion of radio frequency needle by slide block, thereby drive the elastic radio frequency portion of melting to pass in outer needle tubing or the outer needle tubing of income, after passing through hole, the each elastic radio frequency portion of melting is umbrella shape, can control the size of umbrella shape by controlling the motion amplitude of main pin portion, tumor tissues that can good adaptive all size, RF ablation device applicability is strong; Away from the sidewall of handle, through hole is set by needle tubing outside, each elastic radio frequency melts portion and coordinates with corresponding through hole, and this version can make each elastic radio frequency portion of melting launch preferably and shrink, and can not produce and interfere with syringe needle.
Further, the region that the madial wall of described outer needle tubing is corresponding with radio frequency needle has insulating barrier.
Further, described main pin portion overcoat has stationary pipes, and described stationary pipes one end sliding inner sleeve is outside on needle tubing, and the other end is relative with slide block fixing.
Further, described handle has a bar hole, and the upper end of described slide block passes described bar hole, and the slide block partial fixing that passes described bar hole pushes away and turns round.
Can control slide block and move by pushing away to turn round, move thereby control main pin portion.
Further, the described elastic radio frequency portion of melting is arc rod shaped structure.
Further, described syringe needle comprises:
Pointed nose, is positioned at outer needle tubing outside;
Connecting portion, stretches in described outer needle tubing, and connecting portion has some recesses, and described recess and outer needle tubing madial wall form the passage passing for elasticity RF ablation portion; One end of described passage is relative with corresponding through hole.
Can enough form the passage passing for elasticity RF ablation portion with outer needle tubing madial wall by recess is set, prevent that the elastic radio frequency portion of melting from withstanding syringe needle, the reliably working that this version can assurance device.
Further, also comprise joint, described joint one end is connected with described main pin portion, and the other end is for being connected with radiofrequency launcher, received RF signal.
The beneficial effects of the utility model are: can drive the main pin portion motion of radio frequency needle by slide block, thereby drive the elastic radio frequency portion of melting to pass in outer needle tubing or the outer needle tubing of income, after passing through hole, the each elastic radio frequency portion of melting is umbrella shape, can control the size of umbrella shape by controlling the motion amplitude of main pin portion, tumor tissues that can good adaptive all size, RF ablation device applicability is strong; Away from the sidewall of handle, through hole is set by needle tubing outside, each elastic radio frequency melts portion and coordinates with corresponding through hole, and this version can make each elastic radio frequency portion of melting launch preferably and shrink, and can not produce and interfere with syringe needle.
Brief description of the drawings:
Fig. 1 is the structural representation of the utility model RF ablation device;
Fig. 2 is the explosive view of the utility model RF ablation device.
In figure, each Reference numeral is:
1, handle, 2, outer needle tubing, 3, syringe needle, 4, radio frequency needle, 5, pointed nose, 6, connecting portion, 7, recess, 8, elastic radio frequency melts, 9, main pin portion, 10, stationary pipes, 11, through hole, 12, push away and turn round, 13, slide block, 14, bar hole, 15, needle handle shell.
Detailed description of the invention:
Below in conjunction with each accompanying drawing, the utility model is described in detail.
As illustrated in fig. 1 and 2, a kind of RF ablation device, comprising:
Handle 1;
The outer needle tubing 2 of hollow, relative with handle 1 fixing, outer needle tubing has some along the uniform through hole 11 of self circumferencial direction away from the sidewall of handle;
Syringe needle 3, is fixed on outer needle tubing 2 one end away from handle;
Radio frequency needle 4, comprise that main pin portion 9 and multiple end and main pin portion fix and melt portion 8 along the circumferential equally distributed elastic radio frequency of main pin portion, main pin portion 9 sliding inner sleeves outside on needle tubing and one end of main pin portion stretch in handle, each elastic radio frequency melts portion 8 and coordinates with corresponding through hole, and main pin portion drives the elastic radio frequency portion of melting to pass in outer needle tubing or the outer needle tubing of income while slip;
Slide block 13, is slidably arranged on handle 1, and slide block 13 is relative fixing with main pin portion 9.
In the present embodiment, handle 1 comprises two needle handle shells 15 that mutually fasten, and handle 1 has a bar hole 14, and the upper end of slide block passes bar hole, and the slide block partial fixing that passes bar hole pushes away and turns round 12. Can control slide block and move by pushing away to turn round, move thereby control main pin portion.
In the present embodiment, main pin portion 9 overcoats have stationary pipes 10, and stationary pipes one end sliding inner sleeve is outside on needle tubing, and the other end is relative with slide block fixing. Can also be without stationary pipes 10 in the time of practice, the region division insulating barrier that the madial wall of needle tubing is corresponding with radio frequency needle outside replaces.
In the present embodiment, elastic radio frequency melts portion 8 for arc rod shaped structure.
As shown in Figure 2, in the present embodiment, syringe needle 3 comprises:
Pointed nose 5, is positioned at outer needle tubing outside;
Connecting portion 6, stretches in outer needle tubing, and connecting portion has some recesses 7, and recess and outer needle tubing madial wall form the passage passing for elasticity RF ablation portion; One end of passage is relative with corresponding through hole. Can enough form the passage passing for elasticity RF ablation portion with outer needle tubing madial wall by recess is set, prevent that the elastic radio frequency portion of melting from withstanding syringe needle, the reliably working that this version can assurance device.
In the present embodiment, RF ablation device also comprises joint (not shown in FIG.), and joint one end is connected with main pin portion, and the other end is for being connected with radiofrequency launcher, received RF signal.
The RF ablation device of the present embodiment can drive the main pin portion motion of radio frequency needle by slide block, thereby drive the elastic radio frequency portion of melting to pass in outer needle tubing or the outer needle tubing of income, after passing through hole, the each elastic radio frequency portion of melting is umbrella shape, can control the size of umbrella shape by controlling the motion amplitude of main pin portion, tumor tissues that can good adaptive all size, RF ablation device applicability is strong; Away from the sidewall of handle, through hole is set by needle tubing outside, each elastic radio frequency melts portion and coordinates with corresponding through hole, and this version can make each elastic radio frequency portion of melting launch preferably and shrink, and can not produce and interfere with syringe needle.
These are only preferred embodiment of the present utility model; not thereby limit scope of patent protection of the present utility model; the equivalent structure transformation that every utilization the utility model description and accompanying drawing content are done; directly or indirectly be used in other relevant technical fields, be all in like manner included in protection domain of the present utility model.
Claims (7)
1. a RF ablation device, is characterized in that, comprising:
Handle;
The outer needle tubing of hollow, relative with handle fixing, outer needle tubing has some along the uniform through hole of self circumferencial direction away from the sidewall of handle;
Syringe needle, is fixed on outer needle tubing one end away from handle;
Radio frequency needle, comprise that main pin portion and multiple end and main pin portion fix and melt portion along the circumferential equally distributed elastic radio frequency of main pin portion, described main pin portion sliding inner sleeve outside on needle tubing and one end of main pin portion stretches in described handle, each elastic radio frequency melts portion and coordinates with corresponding through hole, and main pin portion drives the elastic radio frequency portion of melting to pass in outer needle tubing or the outer needle tubing of income while slip;
Slide block, is slidably arranged on described handle, and slide block is relative fixing with described main pin portion.
2. RF ablation device as claimed in claim 1, is characterized in that, the region that the madial wall of described outer needle tubing is corresponding with radio frequency needle has insulating barrier.
3. RF ablation device as claimed in claim 1, is characterized in that, described main pin portion overcoat has stationary pipes, and described stationary pipes one end sliding inner sleeve is outside on needle tubing, and the other end is relative with slide block fixing.
4. RF ablation device as claimed in claim 1, is characterized in that, described handle has a bar hole, and the upper end of described slide block passes described bar hole, and the slide block partial fixing that passes described bar hole pushes away and turns round.
5. RF ablation device as claimed in claim 1, is characterized in that, the described elastic radio frequency portion of melting is arc rod shaped structure.
6. RF ablation device as claimed in claim 1, is characterized in that, described syringe needle comprises:
Pointed nose, is positioned at outer needle tubing outside;
Connecting portion, stretches in described outer needle tubing, and connecting portion has some recesses, and described recess and outer needle tubing madial wall form the passage passing for elasticity RF ablation portion; One end of described passage is relative with corresponding through hole.
7. RF ablation device as claimed in claim 1, is characterized in that, also comprises joint, and described joint one end is connected with described main pin portion, and the other end is for being connected with radiofrequency launcher, received RF signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520886077.3U CN205234624U (en) | 2015-11-09 | 2015-11-09 | Radio -frequency melting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520886077.3U CN205234624U (en) | 2015-11-09 | 2015-11-09 | Radio -frequency melting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205234624U true CN205234624U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520886077.3U Active CN205234624U (en) | 2015-11-09 | 2015-11-09 | Radio -frequency melting device |
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| Country | Link |
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| CN (1) | CN205234624U (en) |
Cited By (4)
| 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 |
| CN107374726A (en) * | 2017-08-31 | 2017-11-24 | 绵阳立德电子股份有限公司 | The radio-frequency ablation electrode needle and installation, application method of a kind of adjustable active length |
| CN111603239A (en) * | 2020-04-22 | 2020-09-01 | 哈尔滨医科大学 | Microwave device for tumor ablation treatment |
| CN114391925A (en) * | 2021-12-31 | 2022-04-26 | 安瑞医疗器械(杭州)有限公司 | Snare with injection function |
-
2015
- 2015-11-09 CN CN201520886077.3U patent/CN205234624U/en active Active
Cited By (5)
| 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 |
| CN107374726A (en) * | 2017-08-31 | 2017-11-24 | 绵阳立德电子股份有限公司 | The radio-frequency ablation electrode needle and installation, application method of a kind of adjustable active length |
| CN107374726B (en) * | 2017-08-31 | 2023-10-20 | 绵阳立德电子股份有限公司 | Radio frequency ablation electrode needle with adjustable working length and mounting method |
| CN111603239A (en) * | 2020-04-22 | 2020-09-01 | 哈尔滨医科大学 | Microwave device for tumor ablation treatment |
| CN114391925A (en) * | 2021-12-31 | 2022-04-26 | 安瑞医疗器械(杭州)有限公司 | Snare with injection function |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |