CN103830000B - Controllable bending open irrigated ablation catheters - Google Patents
Controllable bending open irrigated ablation catheters Download PDFInfo
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- CN103830000B CN103830000B CN201210480606.0A CN201210480606A CN103830000B CN 103830000 B CN103830000 B CN 103830000B CN 201210480606 A CN201210480606 A CN 201210480606A CN 103830000 B CN103830000 B CN 103830000B
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Abstract
The present invention discloses a kind of controllable bending open irrigated ablation catheters, comprises grip, the operating element be arranged in grip, guiding catheter and ablation catheter; Guiding catheter is connected with operating element with ablation catheter, ablation catheter activity be arranged on guiding catheter intracavity, be provided with traction fiber in guiding catheter, described traction fiber is connected with operating element, and guide wire far-end is provided with one or more fill orifices; Described ablation catheter far-end is provided with electrode, and electrode is provided with more than 1 or 1 fill orifice; Described operating element comprises the first control knob, the second control knob and the 3rd control knob.The controllable bending open irrigated ablation catheters that the present invention announces can accurately arrive lesions position, and operating element is simple to operation; Normal saline or contrast agent can being sprayed, avoiding blood vessel to damage because of melting excessive.
Description
Technical field
The present invention relates to medical catheter apparatus, especially a kind of medical controllable bending open irrigated ablation catheters.
Background technology
Catheter tube is made up of pliable and tough biocompatible materials usually, such as plastics, comprises polyethylene, polyester or polyamide.Because cardiac structure is complicated, need the conduit of superior performance, can accurately arrive the different lesions position of heart be have challenging.
In order to address this problem, people have employed the conduit of various structures, a kind of joystick with equipment propulsive mechanism disclosed in Chinese invention patent application 200810176905, and this handle adopts the mode of screw propulsion to control the relative motion of conduit and steel wire.
In the prior art, the different lesions position of heart can be arrived smoothly to allow conduit, conventional method is arranged on actively in the cavity of guiding catheter by ablation catheter, ablation catheter and guiding catheter have respective operating element respectively, in use, manipulate respective operating element respectively, the operation that operates is numerous and diverse, easily occurs operate miss.
Conduit, through subcutaneous puncture, under the perspective of X-ray, to be delivered to along blood vessel and is needed the heart for the treatment of or Ink vessel transfusing to carry out electrophysiologic study, radio-frequency (RF) ablation by electrophysiologicalcatheter catheter; When melting particular organization position, during as endo vascular ablation, ablation lesions is excessive, and vasoconstriction can be caused narrow.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency existing in prior art, a kind of controllable bending open irrigated ablation catheters is provided.Controllable bending open irrigated ablation catheters provided by the invention, lesions position can accurately be arrived, 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; Normal saline can also be sprayed by the fill orifice of electrode over the course for the treatment of, avoid blood vessel to damage because of melting excessive, causing 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, the operating element be arranged in grip, guiding catheter and ablation catheter; Guiding catheter is connected with operating element with ablation catheter, ablation catheter activity be arranged on guiding catheter intracavity, be provided with traction fiber in guiding catheter, 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, control the first control knob that guiding tube far-end is bending, control ablation catheter and rotate 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; 3rd control knob is coaxially fixedly connected with ablation catheter, and the 3rd control knob and grip are rotationally connected.
Traction fiber has comparatively huttriall and soft portion, and soft portion is positioned at traction fiber far-end, and the first control knob rotates can strain traction fiber, and soft portion there will be bending.
Second control knob is fixedly connected with ablation catheter, and the second control knob and grip are slidably connected, slide the second control knob time, second control knob advance ablation catheter, 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 liquid.
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 liquid.
Preferably, described ablation catheter far-end is fixing bending.
Fixing bending arrives focus for helping the far-end of ablation catheter.
Preferably, described first control knob and the 3rd control knob are rotation key.
Preferably, described second control knob is the slide key slided 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; Can also normal saline being sprayed over the course for the treatment of, avoiding blood vessel to damage because of melting excessive, cause vasoconstriction narrow.
Accompanying drawing illustrates:
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.
Detailed description of the invention
Below in conjunction with test example and detailed description of the invention, the present invention is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment, all technology realized 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, the operating element be arranged in grip, guiding catheter 2 and ablation catheter;
Guiding catheter 2 is connected with operating element with ablation catheter, ablation catheter activity be arranged on guiding catheter 2 intracavity, traction fiber is provided with in guiding catheter, described traction fiber is connected with operating element, described ablation catheter far-end is provided with electrode 7, and electrode is provided with more than 1 or 1 hole as shown in Figure 5 or Figure 6;
Described operating element comprises the first control knob 3, second control knob 4 and the 3rd control knob 5;
First control knob is connected with described traction fiber, and the first control knob and grip 1 are rotationally connected;
Second control knob is fixedly connected with ablation catheter, and the second control knob and grip are slidably connected;
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 comparatively huttriall and soft portion, and soft portion is positioned at traction fiber far-end, and rotate the first control knob 3 and can strain traction fiber, soft 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 and grip 1 are slidably connected, slide the second control knob time, 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 rotate the 3rd control knob, then 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 liquid.
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 liquid.
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-end is fixing bending 9.
Fixing bending 9 arrives focus for helping the far-end of ablation catheter.
Described first control knob and the 3rd control knob are rotation key.
Described second control knob is the slide key slided 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.
All features disclosed in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this description (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
The present invention is not limited to aforesaid detailed description of the invention.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (3)
1. a controllable bending open irrigated ablation catheters, comprises grip, the operating element be arranged in grip, guiding catheter and ablation catheter, guiding catheter is connected with operating element with ablation catheter, ablation catheter activity be arranged on guiding catheter intracavity, be provided with traction fiber in guiding catheter, described traction fiber is connected with operating element, described ablation catheter far-end is provided with electrode, and electrode is provided with one or more holes, it is characterized in that: described operating element comprises, control the first control knob that guiding catheter far-end is bending, control ablation catheter to rotate and/or flexible conduit control knob, described conduit control knob comprises the second control knob and the 3rd control knob, second control knob is fixedly connected with ablation catheter, second control knob and grip are slidably connected, slide the second control knob time, second control knob advances ablation catheter, the far-end of ablation catheter stretches out in the cavity of guiding catheter, 3rd control knob is coaxially fixedly connected with ablation catheter, 3rd control knob and grip are rotationally connected, rotate the 3rd control knob, then ablation catheter rotates thereupon, fixing bending on ablation catheter also rotates thereupon, first control knob is connected with described traction fiber, first control knob and grip are rotationally connected, traction fiber has comparatively huttriall and soft portion, soft portion is positioned at traction fiber far-end, first control knob rotates can strain traction fiber, soft portion there will be bending, described conduit control knob is an integrated control functions key, and this integrated control functions key is connected with described ablation catheter, and can be slidably connected along handle, and its afterbody can around rotatable handle, the far-end of described guiding catheter arranges the hole of one or more spraying liquid, for spraying contrast agent or perfusion of saline liquid, described guiding catheter has at least one chamber, and the chamber of guide catheter is used for arranging ablation catheter and guiding liquid, described ablation catheter far-end is fixing bending, arrives focus for helping the far-end of ablation catheter, described first control knob and the 3rd control knob are rotation key.
2. controllable bending open irrigated ablation catheters as claimed in claim 1, it is characterized in that, described guiding catheter near-end is provided with sealing mechanism, for preventing pouring in down a chimney of contrast agent and perfusion of saline liquid.
3. controllable bending open irrigated ablation catheters as claimed in claim 1, is characterized in that, described second control knob is the slide key slided 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 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210480606.0A CN103830000B (en) | 2012-11-23 | 2012-11-23 | Controllable bending open irrigated ablation catheters |
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| CN103830000A CN103830000A (en) | 2014-06-04 |
| CN103830000B true 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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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN108784763B (en) * | 2017-10-10 | 2020-10-27 | 上海科赐医疗技术有限公司 | Curved balloon catheter retracting device and retracting method thereof |
| 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 (6)
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202458660U (en) * | 2011-12-15 | 2012-10-03 | 四川锦江电子科技有限公司 | Controllable spiral electrophysiology catheter |
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2012
- 2012-11-23 CN CN201210480606.0A patent/CN103830000B/en active Active
Patent Citations (6)
| 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 |
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| CN103830000A (en) | 2014-06-04 |
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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. |