CN103830001A - Controllable bent and spiral ablation catheter - Google Patents

Controllable bent and spiral ablation catheter Download PDF

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Publication number
CN103830001A
CN103830001A CN201210480777.3A CN201210480777A CN103830001A CN 103830001 A CN103830001 A CN 103830001A CN 201210480777 A CN201210480777 A CN 201210480777A CN 103830001 A CN103830001 A CN 103830001A
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China
Prior art keywords
ablation catheter
spiral
spiral ablation
control knob
handle
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Granted
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CN201210480777.3A
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Chinese (zh)
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CN103830001B (en
Inventor
李楚武
王建聪
邹波
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Sichuan Jinjiang Electronic Medical Device Technology Co ltd
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Sichuan Jinjiang Electronic Science and Technology Co Ltd
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Abstract

The invention discloses a medical catheter device, and provides a controllable bent and spiral ablation catheter which comprises a handle, a control component arranged in the handle, a guide tube and a spiral ablation catheter body. The guide tube and the spiral ablation catheter body are connected with the control component, the spiral ablation catheter body is movably arranged in a cavity of the guide tube, a first traction fiber is arranged in the guide tube, a second traction fiber is fixedly arranged in the spiral ablation catheter body, and an electrode is arranged in the spiral ablation catheter body. The control component comprises a first control button, a second control button and a third control button, the far end of the spiral ablation catheter body is spiral, and one or more electrodes are arranged on the spiral section of the spiral ablation catheter body. The far end of the spiral ablation catheter body is provided with a straight section, and one or more electrodes are arranged on the straight section. The controllable bent and spiral ablation catheter can control the ablation catheter body at the far end to quickly reach an assigned tissue part for diagnosis and treatment, and after treatment, if the treatment is complete is judged through the catheter, and the curing effect is effectively improved.

Description

Controllable bending spiral ablation catheter
Technical field
The present invention relates to medical catheter device, especially a kind of medical controllable bending spiral ablation catheter.
Background technology
Electrophysiologicalcatheter catheter, be widely used at present in medical practice, mainly through subcutaneous puncture, conduit is delivered to different lesions positions, pathogenic site is carried out to electrophysiologic study, radio-frequency (RF) ablation, thereby reach the object to lesion tissue diagnosis and treatment, electrophysiologicalcatheter catheter generally adopts single-stage to melt at present, if lesion tissue area is large or distance is long, need repeatedly ablation, need to expend a large amount of time, even not thorough because of melting, can not reach good therapeutic effect.
In order to address this problem, conduit of the present invention provides a solution that multi-electrode melts, and realizes that multi-electrode melts simultaneously or multi-electrode selectivity melts, and can realize fast diagnosis and treatment, and can verify therapeutic effect, confirm whether treatment is thorough.
Summary of the invention
The object of the invention is to overcome existing above-mentioned deficiency in prior art, a kind of controllable bending spiral ablation catheter is provided, this conduit can be controlled far-end ablation catheter and arrive fast specified tissue position, diagnose and treat, whether thoroughly after treatment, can detect treatment by this conduit, effectively raise curative effect.
In order to realize foregoing invention object, the invention provides following technical scheme:
A kind of controllable bending spiral ablation catheter, comprises handle, is arranged on operating element, guiding tube and spiral ablation catheter in handle; Guiding tube is connected with operating element with spiral ablation catheter, the activity of spiral ablation catheter be arranged on guiding tube intracavity, in guiding tube, be provided with the first traction fiber, in spiral ablation catheter, be provided with the second traction fiber, described spiral ablation catheter is provided with electrode; It is characterized in that: described operating element comprises,
Control the first control knob of guiding tube far-end bending,
Control the rotation of spiral ablation catheter and/or flexible conduit control knob,
The far-end of described spiral ablation catheter in the shape of a spiral, is provided with one or more electrodes on spiral section.
Preferably, the spiral section terminal part of the far-end of spiral ablation catheter also has a straight section, 1 or 1 is installed with top electrode on straight section.
Preferably, described electrode is arranged on described spiral ablation catheter far-end.
Described electrode is multiple.The electrode pair lesion tissue that is arranged on spiral duct far-end plays ablation, and the electrode that is arranged on straight section can or be provided stimulation for diagnosis, for verifying therapeutic effect.
Preferably, described electrode is ring electrode or wire-winding electrode.
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 before and after handle orientations.
Preferably, described guiding tube has at least one chamber.
Compared with prior art, beneficial effect of the present invention: a kind of controllable bending spiral ablation catheter is provided, this conduit and handle by the handle of guiding tube and ablation catheter comprehensively in a handle, be convenient to user control and catheter positioning, the malpractice that control is inconvenient and maloperation causes of avoiding handle too much to cause, this conduit can be controlled far-end ablation catheter and arrive fast specified tissue position, diagnoses and treats.Further, in some preferred embodiments, whether thoroughly after treatment, can detect treatment by this conduit, effectively raise curative effect.
Brief description of the drawings
Fig. 1 is the structure chart of the embodiment of the present invention.
Fig. 2-4 are the schematic diagram at different conditions embodiment illustrated in fig. 1.
Fig. 5 is the structure chart of another embodiment of the present invention.
Fig. 6-8 are the schematic diagram at different conditions embodiment illustrated in fig. 5.
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 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 spiral ablation catheter, comprises handle 1, is arranged on operating element, guiding tube 5 and spiral ablation catheter 6 in handle;
Guiding tube 5 is connected with operating element with spiral ablation catheter 6,6 activities of spiral ablation catheter be arranged on guiding tube intracavity, in guiding tube, be provided with the first traction fiber, be fixedly installed the second traction fiber in spiral ablation catheter, described spiral ablation catheter is provided with electrode;
Described operating element comprises the first control knob 2, the second control knob 3 and the 3rd control knob 4;
The first control knob is connected with described the first traction fiber, and the first control knob and handle are rotationally connected;
The second control knob is fixedly connected with described spiral ablation catheter 6, and the second control knob and handle are slidably connected;
The 3rd control knob is coaxially fixedly connected with described spiral ablation catheter 6, and the 3rd control knob and handle are rotationally connected.
As shown in Figure 2, rotate the first control knob 2 and can strain the first traction fiber, the first traction fiber traction guiding tube distal deflection.
As shown in Figure 3, the second control knob 3 is fixedly connected with spiral ablation catheter 6, the second control knob and handle 1 are slidably connected, while sliding the second control knob, the second control knob advances spiral ablation catheter 6, the far-end of spiral ablation catheter 6 stretches out in the cavity of guiding tube, stretches out rear far-end and is automatically shrunk to helical form.
In the shape of a spiral, the spiral helicine end 8 of the far-end of described spiral ablation catheter 6 is straight section to the far-end 7 of described spiral ablation catheter 6.1 or 1 are installed with top electrode on straight section.
As shown in Figure 3, Figure 4, when rotation the 3rd control knob 4, the second traction fiber is tightened up or is relaxed, in the time that the second traction fiber is tightened up, and ablation catheter far-end spiral part reduced.
Again as shown in Figure 3, preferably, described electrode 9 is arranged on the far-end of described spiral ablation catheter 6.
Described electrode is one or more.The electrode pair lesion tissue that is arranged on spiral ablation catheter far-end plays ablation, and the electrode that is arranged on the straight section 8 of the spiral helicine end of far-end can or be provided the effect stimulating for diagnosis.
After melting, the electrode being positioned on the straight section 8 of the spiral helicine end of ablation catheter far-end sends stimulus signal, and the electrode on ablation catheter far-end spiral is used for receiving stimulus signal.If stimulus signal can be received by wherein any one or more electrodes on spiral, melt not thoroughly, need selectivity ablation again; Otherwise, reached therapeutic effect.
Preferably, described electrode 9 is ring electrode or wire-winding electrode.
Preferably, described guiding tube has at least one chamber.
Preferably, described the first control knob and the 3rd control knob are rotation key.Wherein, second and the 3rd controls and turns round and can merge into a function key, and function key can push-and-pull, and function key tail end can rotate.
Preferably, described the second control knob is the slide key sliding before and after handle orientations.
Controllable bending spiral ablation catheter can be realized quick circumferential ablation or linear ablation.
Second and the 3rd control and turn round and also can merge into a function key in another embodiment of the present invention, function key can push-and-pull, and function key tail end can rotate, and its concrete structure is as shown in Fig. 5-8.
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 aforesaid detailed description of the invention.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 spiral ablation catheter, comprises handle, is arranged on operating element, guiding tube and spiral ablation catheter in handle; Guiding tube is connected with operating element with spiral ablation catheter, the activity of spiral ablation catheter be arranged on guiding tube intracavity, in guiding tube, be provided with the first traction fiber, in spiral ablation catheter, be provided with the second traction fiber, described spiral ablation catheter is provided with electrode; It is characterized in that: described operating element comprises,
Control the first control knob of guiding tube far-end bending,
Control the rotation of spiral ablation catheter and/or flexible conduit control knob,
The far-end of described spiral ablation catheter in the shape of a spiral, is provided with one or more electrodes on spiral section.
2. controllable bending spiral ablation catheter 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 described spiral ablation catheter, and is slidably connected with handle; The 3rd control knob is coaxially fixedly connected with described spiral ablation catheter, and is rotationally connected with handle.
3. 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.
4. controllable bending spiral ablation catheter as claimed in claim 1, is characterized in that, described electrode is arranged on described spiral ablation catheter far-end.
5. controllable bending spiral ablation catheter as claimed in claim 1, is characterized in that, described electrode is ring electrode or wire-winding electrode.
6. controllable bending spiral ablation catheter as claimed in claim 1, is characterized in that, described guiding tube has at least one chamber.
7. controllable bending spiral ablation catheter as claimed in claim 2, is characterized in that, described the first control knob and the 3rd control knob are rotation key.
8. controllable bending spiral ablation catheter as claimed in claim 2, is characterized in that, described the second control knob is the slide key sliding before and after handle orientations.
9. controllable bending spiral ablation catheter as claimed in claim 1, is characterized in that, the spiral section terminal part of the far-end of spiral ablation catheter also has a straight section, 1 or 1 is installed with top electrode on straight section.
10. controllable bending spiral ablation catheter as claimed in claim 1, is characterized in that, twist, the second traction fiber of controlling spiral type size is connected to conduit control knob to the far-end of spiral ablation catheter.
CN201210480777.3A 2012-11-23 2012-11-23 Controllable bending spiral ablation catheter Active CN103830001B (en)

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Application Number Priority Date Filing Date Title
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CN103830001B CN103830001B (en) 2016-12-21

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104605930A (en) * 2014-12-29 2015-05-13 上海魅丽纬叶医疗科技有限公司 Radiofrequency ablation catheter of spiral structure and device with radiofrequency ablation catheter
CN104939918A (en) * 2015-03-23 2015-09-30 上海魅丽纬叶医疗科技有限公司 Spiral radiofrequency ablation catheter with adherent adjusting wire and radiofrequency ablation equipment
WO2016124138A1 (en) * 2015-02-03 2016-08-11 上海魅丽纬叶医疗科技有限公司 Radio-frequency ablation catheter having spiral structure, and equipment thereof
CN106031656A (en) * 2015-03-11 2016-10-19 上海微创电生理医疗科技有限公司 A radio frequency ablation instrument and a radio frequency ablation system
CN114209417A (en) * 2021-12-13 2022-03-22 四川锦江电子科技有限公司 Visual depth ablation catheter

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471982A (en) * 1992-09-29 1995-12-05 Ep Technologies, Inc. Cardiac mapping and ablation systems
US20010007070A1 (en) * 1999-04-05 2001-07-05 Medtronic, Inc. Ablation catheter assembly and method for isolating a pulmonary vein
CN101309651A (en) * 2005-06-20 2008-11-19 消融前沿公司 Ablation catheter
US20100222859A1 (en) * 2008-12-30 2010-09-02 Assaf Govari Dual-purpose lasso catheter with irrigation using circumferentially arranged ring bump electrodes
US20120116383A1 (en) * 2010-10-25 2012-05-10 Medtronic Ardian Luxembourg S.A.R.L. Catheter apparatuses having multi-electrode arrays for renal neuromodulation and associated systems and methods
CN102488552A (en) * 2011-12-15 2012-06-13 四川锦江电子科技有限公司 Manageable spiral electrophysiology catheter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471982A (en) * 1992-09-29 1995-12-05 Ep Technologies, Inc. Cardiac mapping and ablation systems
US20010007070A1 (en) * 1999-04-05 2001-07-05 Medtronic, Inc. Ablation catheter assembly and method for isolating a pulmonary vein
CN101309651A (en) * 2005-06-20 2008-11-19 消融前沿公司 Ablation catheter
US20100222859A1 (en) * 2008-12-30 2010-09-02 Assaf Govari Dual-purpose lasso catheter with irrigation using circumferentially arranged ring bump electrodes
US20120116383A1 (en) * 2010-10-25 2012-05-10 Medtronic Ardian Luxembourg S.A.R.L. Catheter apparatuses having multi-electrode arrays for renal neuromodulation and associated systems and methods
CN102488552A (en) * 2011-12-15 2012-06-13 四川锦江电子科技有限公司 Manageable spiral electrophysiology catheter

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104605930A (en) * 2014-12-29 2015-05-13 上海魅丽纬叶医疗科技有限公司 Radiofrequency ablation catheter of spiral structure and device with radiofrequency ablation catheter
CN105193497A (en) * 2014-12-29 2015-12-30 上海魅丽纬叶医疗科技有限公司 Radio-frequency ablation catheter of spiral structure and equipment thereof
CN105193497B (en) * 2014-12-29 2017-11-21 上海魅丽纬叶医疗科技有限公司 The radio frequency ablation catheter and its equipment of a kind of helical structure
WO2016124138A1 (en) * 2015-02-03 2016-08-11 上海魅丽纬叶医疗科技有限公司 Radio-frequency ablation catheter having spiral structure, and equipment thereof
US10646272B2 (en) 2015-02-03 2020-05-12 Shanghai Golden Leaf Med Tec Co., Ltd. Radio-frequency ablation catheter having spiral structure and device thereof
CN106031656A (en) * 2015-03-11 2016-10-19 上海微创电生理医疗科技有限公司 A radio frequency ablation instrument and a radio frequency ablation system
CN106031656B (en) * 2015-03-11 2019-06-25 上海微创电生理医疗科技有限公司 Radiofrequency melting instrument and radio frequency ablation system
CN104939918A (en) * 2015-03-23 2015-09-30 上海魅丽纬叶医疗科技有限公司 Spiral radiofrequency ablation catheter with adherent adjusting wire and radiofrequency ablation equipment
CN104939918B (en) * 2015-03-23 2017-11-21 上海魅丽纬叶医疗科技有限公司 Screw type radio frequency ablation catheter and its equipment with adherent regulation silk
CN114209417A (en) * 2021-12-13 2022-03-22 四川锦江电子科技有限公司 Visual depth ablation catheter

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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.

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