CN103830000A - Controllable bent irrigated ablation catheter - Google Patents
Controllable bent irrigated ablation catheter Download PDFInfo
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- CN103830000A CN103830000A CN201210480606.0A CN201210480606A CN103830000A CN 103830000 A CN103830000 A CN 103830000A CN 201210480606 A CN201210480606 A CN 201210480606A CN 103830000 A CN103830000 A CN 103830000A
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- control knob
- catheter
- ablation
- ablation catheter
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Abstract
The invention discloses a controllable bent irrigated ablation catheter which comprises a grabbing part, a control component arranged in the grabbing part, a guide catheter body and an ablation catheter body. The guide catheter body and the ablation catheter body are connected with the control component, the ablation catheter body is movably arranged in a cavity of the guide catheter body, a traction fiber is arranged in the guide catheter body and connected with the control component, and one or more irrigation holes are arranged in the far end of the guide catheter body. An electrode is arranged at the far end of the ablation catheter body, and the electrode is provided with one or more irrigation holes. The control component comprises a first control button, a second control button and a third control button. The controllable bent irrigated ablation catheter can accurately reach a lesion site, and the control component is simple and convenient to operate; normal saline or contrast media can be sprayed on the lesion site, and a blood vessel is prevented from being greatly damaged due to ablation.
Description
Technical field
The present invention relates to medical catheter device, especially a kind of medical controllable bending open irrigated ablation catheters.
Background technology
Catheter tube is made up of pliable and tough biocompatible materials conventionally, and for example plastics comprise polyethylene, polyester or polyamide.Due to cardiac structure complexity, need the conduit of superior performance, can accurately arrive the different lesions positions of heart and be have challenging.
In order to address this problem, people have adopted the conduit of various structures, disclosed a kind of joystick with equipment propulsive mechanism in Chinese invention patent application 200810176905, and this handle adopts the mode control conduit of screw propulsion and the relative motion of steel wire.
In the prior art, in order to allow conduit can arrive smoothly the different lesions positions of heart, conventional method is that ablation catheter is arranged in the cavity of guiding catheter actively, ablation catheter and guiding catheter have respectively operating element separately, in use, manipulation operating element separately respectively, the operation that operates is numerous and diverse, easily occurs operate miss.
Electrophysiologicalcatheter catheter, through subcutaneous puncture, under the perspective of X ray, is delivered to conduit to need to carry out electrophysiologic study, radio-frequency (RF) ablation in the heart for the treatment of or blood vessel along blood vessel; In the time melting particular organization position, as melted in blood vessel time, ablation lesions is excessive, can cause vasoconstriction narrow.
Summary of the invention
The object of the invention is to overcome existing above-mentioned deficiency in prior art, a kind of controllable bending open irrigated ablation catheters is provided.Controllable bending open irrigated ablation catheters provided by the invention, can accurately arrive lesions position, operating element is simple to operation, the fill orifice of controllable bending open irrigated ablation catheters guide wire of the present invention also can be used for carrying contrast agent, and by equipment imaging, detect endovascular pathologic condition, to propose different therapeutic schemes; In therapeutic process, can also spray normal saline by the fill orifice of electrode, avoid blood vessel to damage because of melting excessive, cause vasoconstriction narrow.
In order to realize foregoing invention object, the invention provides following technical scheme:
A kind of controllable bending open irrigated ablation catheters, comprises grip, is arranged on operating element, guiding catheter and ablation catheter in grip; Guiding catheter is connected with operating element with ablation catheter, ablation catheter activity be arranged on guiding catheter intracavity, in guiding catheter, be provided with traction fiber, described traction fiber is connected with operating element, described ablation catheter far-end is provided with electrode, and electrode is provided with more than 1 or 1 hole; It is characterized in that: described operating element comprises, controls the first control knob of guiding tube far-end bending, control ablation catheter rotation and/or flexible conduit control knob.
Wherein, preferably, the first control knob is connected with described traction fiber, and the first control knob and grip are rotationally connected; Conduit control knob comprises the second control knob and the 3rd control knob, and the second control knob is fixedly connected with ablation catheter, and the second control knob and grip are slidably connected; The 3rd control knob is coaxially fixedly connected with ablation catheter, and the 3rd control knob and grip are rotationally connected.
Traction fiber has compared with huttriall and softer portion, and softer portion is positioned at traction fiber far-end, and the first control knob rotates can strain traction fiber, and softer portion there will be bending.
The second control knob is fixedly connected with ablation catheter, and the second control knob and grip are slidably connected, and while sliding the second control knob, the second control knob advances ablation catheter, and the far-end of ablation catheter stretches out in the cavity of guiding catheter.
Preferably, the far-end of described guiding catheter arranges the hole of one or more spraying liquids.
The hole of spraying liquid can be used for spraying contrast agent or perfusion of saline liquid.
Preferably, described guiding catheter near-end is provided with sealing mechanism.
Sealing mechanism is for preventing pouring in down a chimney of contrast agent and perfusion of saline liquid.
Preferably, described guiding catheter has at least one chamber.
The chamber of guide catheter is used for arranging ablation catheter and guiding liquids.
Preferably, described ablation catheter far-end is fixing bending.
Fixing bending arrives focus for the far-end that helps ablation catheter.
Preferably, described the first control knob and the 3rd control knob are rotation key.
Preferably, described the second control knob is the slide key sliding along grip direction.
compared with prior art, beneficial effect of the present invention:
1, controllable bending open irrigated ablation catheters provided by the invention, can accurately arrive lesions position.
2, operating element is simple to operation.
3, controllable bending open irrigated ablation catheters of the present invention also can be used for carrying contrast agent, and by equipment imaging, detects endovascular pathologic condition, to propose different therapeutic schemes; In therapeutic process, can also spray normal saline, avoid blood vessel to damage because of melting excessive, cause vasoconstriction narrow.
Accompanying drawing explanation:
Fig. 1 is the structural representation of the specific embodiment of the invention.
Fig. 2 is the schematic diagram under different conditions embodiment illustrated in fig. 1.
Fig. 3 is the schematic diagram under different conditions embodiment illustrated in fig. 1.
Fig. 4 is the schematic diagram under different conditions embodiment illustrated in fig. 1.
Fig. 5 is the zoomed-in view of middle ablation catheter remote electrode embodiment illustrated in fig. 1.
Fig. 6 is the zoomed-in view of another specific embodiment of ablation catheter remote electrode.
The specific embodiment
Below in conjunction with test example and the specific embodiment, the present invention is described in further detail.But this should be interpreted as to the scope of the above-mentioned theme of the present invention only limits to following embodiment, all technology realizing based on content of the present invention all belong to scope of the present invention.
Specific embodiments of the invention:
As shown in Figure 1, a kind of controllable bending open irrigated ablation catheters, comprises grip 1, is arranged on operating element, guiding catheter 2 and ablation catheter in grip;
Described operating element comprises the first control knob 3, the second control knob 4 and the 3rd control knob 5;
The first control knob is connected with described traction fiber, and the first control knob and grip 1 are rotationally connected;
The second control knob is fixedly connected with ablation catheter, and the second control knob and grip are slidably connected;
The 3rd control knob is coaxially fixedly connected with ablation catheter, and the 3rd control knob and grip are rotationally connected.
As shown in Figure 2, traction fiber has compared with huttriall and softer portion, and softer portion is positioned at traction fiber far-end, rotates the first control knob 3 and can strain traction fiber, and softer portion there will be bending.
As shown in Figure 3, the second control knob is fixedly connected with ablation catheter, and the second control knob 4 is slidably connected with grip 1, and while sliding the second control knob, the second control knob advances ablation catheter 8, and the far-end of ablation catheter 8 stretches out in the cavity of guiding catheter 2.
As shown in Figure 4, the 3rd control knob 5 is coaxially fixedly connected with ablation catheter, and the 3rd control knob and grip are rotationally connected, and rotates the 3rd control knob, and ablation catheter 8 rotates thereupon, and the fixing bending on ablation catheter also rotates thereupon.
Again as shown in Figure 1, on the basis of above-described embodiment, a preferred embodiment of the present invention, the far-end of described guiding catheter arranges the hole 6 of one or more spraying liquids.
The hole 6 of spraying liquid can be used for spraying contrast agent or perfusion of saline liquid.
On the basis of above-described embodiment, a preferred embodiment of the present invention, described guiding catheter near-end is provided with sealing mechanism.
Sealing mechanism is for preventing pouring in down a chimney of contrast agent and perfusion of saline liquid.
On the basis of above-described embodiment, a preferred embodiment of the present invention, described guiding catheter 2 has at least one chamber.
The chamber of guide catheter is used for arranging ablation catheter and guiding liquids.
Again as shown in Figure 3, on the basis of above-described embodiment, a preferred embodiment of the present invention, described ablation catheter 8 far-ends are fixing bending 9.
Fixing bending 9 arrives focus for the far-end that helps ablation catheter.
Described the first control knob and the 3rd control knob are rotation key.
Described the second control knob is the slide key sliding along grip direction.
Fig. 5 is the zoomed-in view of middle ablation catheter remote electrode embodiment illustrated in fig. 1.
Fig. 6 is the zoomed-in view of another specific embodiment of ablation catheter remote electrode.
Disclosed all features in this description, or step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Disclosed arbitrary feature in this description (comprising any accessory claim, summary and accompanying drawing), unless narration especially all can be replaced by other equivalences or the alternative features with similar object.,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
The present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (10)
1. a controllable bending open irrigated ablation catheters, comprises grip, is arranged on operating element, guiding catheter and ablation catheter in grip; Guiding catheter is connected with operating element with ablation catheter, ablation catheter activity be arranged on guiding catheter intracavity, in guiding catheter, be provided with traction fiber, described traction fiber is connected with operating element, described ablation catheter far-end is provided with electrode, and electrode is provided with more than 1 or 1 hole; It is characterized in that: described operating element comprises, controls the first control knob of guiding tube far-end bending; Control ablation catheter rotation and/or flexible conduit control knob.
2. controllable bending open irrigated ablation catheters as claimed in claim 1, is characterized in that, the first control knob is connected with described traction fiber, and the first control knob and grip are rotationally connected.
3. controllable bending open irrigated ablation catheters as claimed in claim 1, is characterized in that, described conduit control knob comprises the second control knob and the 3rd control knob, and the second control knob is fixedly connected with ablation catheter, and the second control knob and grip are slidably connected; The 3rd control knob is coaxially fixedly connected with ablation catheter, and the 3rd control knob and grip are rotationally connected.
4. controllable bending spiral ablation catheter as claimed in claim 1, it is characterized in that, described conduit control knob is an integrated control functions key, and this integrated control functions key is connected with described spiral ablation catheter, and can be slidably connected along handle, its afterbody can be around rotatable handle.
5. controllable bending open irrigated ablation catheters as claimed in claim 1, is characterized in that, the far-end of described guiding catheter arranges the hole of one or more spraying liquids.
6. controllable bending open irrigated ablation catheters as claimed in claim 1, is characterized in that, described guiding catheter near-end is provided with sealing mechanism.
7. controllable bending open irrigated ablation catheters as claimed in claim 1, is characterized in that, described guiding catheter has at least one chamber.
8. controllable bending open irrigated ablation catheters as claimed in claim 1, is characterized in that, described ablation catheter far-end is fixing bending.
9. controllable bending open irrigated ablation catheters as claimed in claim 2, is characterized in that, described the first control knob and the 3rd control knob are rotation key.
10. controllable bending open irrigated ablation catheters as claimed in claim 2, is characterized in that, described the second control knob is the slide key sliding along grip direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210480606.0A CN103830000B (en) | 2012-11-23 | 2012-11-23 | Controllable bending open irrigated ablation catheters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210480606.0A CN103830000B (en) | 2012-11-23 | 2012-11-23 | Controllable bending open irrigated ablation catheters |
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| Publication Number | Publication Date |
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| CN103830000A true CN103830000A (en) | 2014-06-04 |
| CN103830000B CN103830000B (en) | 2016-03-02 |
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| CN201210480606.0A Active CN103830000B (en) | 2012-11-23 | 2012-11-23 | Controllable bending open irrigated ablation catheters |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104667410A (en) * | 2015-03-12 | 2015-06-03 | 耿涛 | Spinal epidural minimally-invasive catheter system |
| CN106264709A (en) * | 2015-05-29 | 2017-01-04 | 上海微创电生理医疗科技有限公司 | A kind of guiding catheter |
| CN108784763A (en) * | 2017-10-10 | 2018-11-13 | 上海科库医疗技术有限公司 | It is bent ductus bursae pull device and its retracts method |
| CN109044502A (en) * | 2018-09-04 | 2018-12-21 | 苏州茵络医疗器械有限公司 | A kind of butt junction location device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5471982A (en) * | 1992-09-29 | 1995-12-05 | Ep Technologies, Inc. | Cardiac mapping and ablation systems |
| CN101309651A (en) * | 2005-06-20 | 2008-11-19 | 消融前沿公司 | Ablation catheter |
| CN101528145A (en) * | 2005-12-29 | 2009-09-09 | 韦伯斯特生物官能公司 | Deflectable catheter with a flexibly attached tip section |
| CN201356648Y (en) * | 2009-03-04 | 2009-12-09 | 微创医疗器械(上海)有限公司 | Saline perfusion RF ablation catheter |
| CN102113907A (en) * | 2009-12-30 | 2011-07-06 | 韦伯斯特生物官能(以色列)有限公司 | Catheter with arcuate end section |
| US8043288B2 (en) * | 2006-12-28 | 2011-10-25 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Virtual electrode ablation catheter with electrode tip and variable radius capability actuated with at least one rack and pinion mechanisms |
| CN202458660U (en) * | 2011-12-15 | 2012-10-03 | 四川锦江电子科技有限公司 | Controllable spiral electrophysiology catheter |
-
2012
- 2012-11-23 CN CN201210480606.0A patent/CN103830000B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5471982A (en) * | 1992-09-29 | 1995-12-05 | Ep Technologies, Inc. | Cardiac mapping and ablation systems |
| CN101309651A (en) * | 2005-06-20 | 2008-11-19 | 消融前沿公司 | Ablation catheter |
| CN101528145A (en) * | 2005-12-29 | 2009-09-09 | 韦伯斯特生物官能公司 | Deflectable catheter with a flexibly attached tip section |
| US8043288B2 (en) * | 2006-12-28 | 2011-10-25 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Virtual electrode ablation catheter with electrode tip and variable radius capability actuated with at least one rack and pinion mechanisms |
| CN201356648Y (en) * | 2009-03-04 | 2009-12-09 | 微创医疗器械(上海)有限公司 | Saline perfusion RF ablation catheter |
| CN102113907A (en) * | 2009-12-30 | 2011-07-06 | 韦伯斯特生物官能(以色列)有限公司 | Catheter with arcuate end section |
| CN202458660U (en) * | 2011-12-15 | 2012-10-03 | 四川锦江电子科技有限公司 | Controllable spiral electrophysiology catheter |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104667410A (en) * | 2015-03-12 | 2015-06-03 | 耿涛 | Spinal epidural minimally-invasive catheter system |
| CN104667410B (en) * | 2015-03-12 | 2017-07-25 | 深圳橙果医疗科技有限公司 | Spine epidural minimally-invasive catheter system |
| CN106264709A (en) * | 2015-05-29 | 2017-01-04 | 上海微创电生理医疗科技有限公司 | A kind of guiding catheter |
| CN106264709B (en) * | 2015-05-29 | 2021-03-19 | 上海微创电生理医疗科技股份有限公司 | Guide catheter |
| CN108784763A (en) * | 2017-10-10 | 2018-11-13 | 上海科库医疗技术有限公司 | It is bent ductus bursae pull device and its retracts method |
| CN109044502A (en) * | 2018-09-04 | 2018-12-21 | 苏州茵络医疗器械有限公司 | A kind of butt junction location device |
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| Publication number | Publication date |
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| CN103830000B (en) | 2016-03-02 |
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Address after: No. 5, Wuke East 3rd Road, Wuhou District, Chengdu, Sichuan 610000 Patentee after: Sichuan Jinjiang Electronic Medical Device Technology Co.,Ltd. Address before: No. 5, Wuke East 3rd Road, Wuhou District, Chengdu, Sichuan 610000 Patentee before: SICHUAN JINJIANG ELECTRONIC SCIENCE AND TECHNOLOGY Co.,Ltd. |