CN103830001B - Controllable bending spiral ablation catheter - Google Patents
Controllable bending spiral ablation catheter Download PDFInfo
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- CN103830001B CN103830001B CN201210480777.3A CN201210480777A CN103830001B CN 103830001 B CN103830001 B CN 103830001B CN 201210480777 A CN201210480777 A CN 201210480777A CN 103830001 B CN103830001 B CN 103830001B
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- ablation catheter
- spiral
- control knob
- electrode
- conduit
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Abstract
The invention discloses a kind of medical catheter apparatus.A kind of controllable bending spiral ablation catheter, including handle, installs operating element, guiding tube and spiral ablation catheter in the handle；Guiding tube and spiral ablation catheter are connected with operating element, and what spiral ablation catheter was movable is arranged on guiding tube intracavity, is provided with the first traction fiber, is fixedly installed the second traction fiber in spiral ablation catheter in guiding tube, and described spiral ablation catheter is provided with electrode；Described operating element includes the first control knob, the second control knob and the 3rd control knob；The relatively far-end of spiral ablation catheter in the shape of a spiral, spiral section is provided with one or more electrode；The far-end of described spiral ablation catheter is straight section, and straight section is installed 1 or more than 1 electrode.Conduit of the present invention can control distal ablation conduit and quickly arrive specified tissue position, diagnoses and treats, can be the most thorough by the detection treatment of this conduit after treatment, effectively raises curative effect.
Description
Technical field
The present invention relates to medical catheter apparatus, a kind of medical controllable bending spiral ablation catheter.
Background technology
Electrophysiologicalcatheter catheter, has the most been widely used in medical practice, mainly through subcutaneous puncture, conduit has been delivered to difference
Lesions position, pathogenic site is carried out electrophysiologic study, radio-frequency (RF) ablation, thus reaches lesion tissue diagnosis and the mesh for the treatment of
, the commonly used single-stage of current electrophysiologicalcatheter catheter melts, if lesion tissue area is relatively big or apart from long, needs repeatedly to melt to control
Treat, then need to take a substantial amount of time, even because melting the most thorough, it is impossible to reach good therapeutic effect.
In order to solve this problem, the conduit of the present invention provides the solution that a multi-electrode melts, it is achieved the most electric
Pole is melted simultaneously or multi-electrode selectivity melts, it is possible to quickly realize diagnosis and treatment, it is possible to test therapeutic effect
Card, confirms that treatment is the most thorough.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency in the presence of prior art, it is provided that a kind of controllable bending spiral melts
Conduit, this conduit can control distal ablation conduit and quickly arrive specified tissue position, diagnose and treat, can lead to after treatment
Cross the detection treatment of this conduit the most thorough, effectively raise curative effect.
In order to realize foregoing invention purpose, the invention provides techniques below scheme:
A kind of controllable bending spiral ablation catheter, disappears including handle, installation operating element, guiding tube and spiral in the handle
Melt conduit；Guiding tube and spiral ablation catheter are connected with operating element, and what spiral ablation catheter was movable is arranged on guiding tube intracavity,
Being provided with the first traction fiber in guiding tube, be provided with the second traction fiber in spiral ablation catheter, described spiral ablation catheter is arranged
There is electrode；It is characterized in that: described operating element includes,
Control the first control knob of guiding tube far-end bending,
Control spiral ablation catheter to rotate and/or flexible conduit control knob,
The far-end of described spiral ablation catheter in the shape of a spiral, spiral section is provided with one or more electrode.
Preferably, the spiral section terminal part of the far-end of spiral ablation catheter also has a straight section, and straight section installs 1 or 1
Above electrode.
Preferably, described electrode is arranged on described spiral ablation catheter far-end.
Described electrode is multiple.Lesion tissue is played ablation by the electrode being arranged on spiral duct far-end, is arranged on straight
The electrode of section may be used for diagnosis or provides stimulation, is used for verifying therapeutic effect.
Preferably, described electrode is ring electrode or wire-winding electrode.
Preferably, described first control knob and the 3rd control knob are rotation key.
Preferably, described second control knob is the slide key along handle orientations slide anteroposterior.
Preferably, described guiding tube has at least one chamber.
Compared with prior art, beneficial effects of the present invention: a kind of controllable bending spiral ablation catheter, this conduit and hands are provided
Handle by the handle of guiding tube and ablation catheter comprehensively in a handle, it is simple to user control and catheter positioning, it is to avoid handle
Too much cause controls the malpractice that inconvenience causes with maloperation, and this conduit can control distal ablation conduit and quickly arrive appointment
Tissue site, diagnoses and treats.Further, in some preferred embodiments, can be detected by this conduit after treatment
Treatment is the most thorough, effectively raises curative effect.
Accompanying drawing explanation
Fig. 1 is the structure chart of the embodiment of the present invention.
Fig. 2-4 is the embodiment illustrated in fig. 1 schematic diagram at different conditions.
Fig. 5 is the structure chart of another embodiment of the present invention.
Fig. 6-8 is the embodiment illustrated in fig. 5 schematic diagram at different conditions.
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 not understood
Scope for the above-mentioned theme of the present invention is only limitted to below example, and all technology realized based on present invention belong to this
The scope of invention.
The specific embodiment of the present invention:
As it is shown in figure 1, a kind of controllable bending spiral ablation catheter, including handle 1, operating element in the handle is installed, draws
Conduit 5 and spiral ablation catheter 6；
Guiding tube 5 and spiral ablation catheter 6 are connected with operating element, spiral ablation catheter 6 activity be arranged on guiding tube
Intracavity, is provided with the first traction fiber in guiding tube, be fixedly installed the second traction fiber in spiral ablation catheter, and described spiral melts
Conduit is provided with electrode；
Described operating element includes the first control knob the 2, second control knob 3 and the 3rd control knob 4；
First control knob and described first traction fiber connect, and the first control knob is rotationally connected with handle；
Second control knob and the fixing connection of described spiral ablation catheter 6, the second control knob is slidably connected with handle；
3rd control knob and described spiral ablation catheter 6 are fixedly and coaxially connected, and the 3rd control knob is rotationally connected with handle.
As in figure 2 it is shown, rotate the first control knob 2 can strain the first traction fiber, the first traction fiber traction guiding tube far-end is inclined
Turn.
As it is shown on figure 3, the second control knob 3 and the fixing connection of spiral ablation catheter 6, the second control knob slides even with handle 1
Connect, slide the second control knob time, second control knob advance spiral ablation catheter 6, the far-end of spiral ablation catheter 6 is from guiding tube
Stretch out in cavity, stretch out rear far-end and be automatically shrunk to helical form.
The far-end 7 of described spiral ablation catheter 6 in the shape of a spiral, the end 8 of the distal end convolutions shape of described spiral ablation catheter 6
For straight section.1 or more than 1 electrode are installed on straight section.
As shown in Figure 3, Figure 4, when rotating three control knobs 4, the second traction fiber is tightened up or is relaxed, when the second traction fiber
When being tightened up, ablation catheter distal end convolutions section diameter reduces.
The most as shown in Figure 3, it is preferable that described electrode 9 is arranged on the far-end of described spiral ablation catheter 6.
Described electrode is one or more.Lesion tissue is played ablation by the electrode being arranged on spiral ablation catheter far-end,
The electrode of the straight section 8 being arranged on the end of distal end convolutions shape may be used for diagnosis or provides the effect stimulated.
After melting, the electrode on the straight section 8 of the end being positioned at ablation catheter distal end convolutions shape sends stimulus signal, disappears
Melt the electrode on distal end of catheter spiral for receiving stimulus signal.If stimulus signal can be by any of which on spiral one or many
Individual electrode receives, then melt not thorough, need selectivity ablation again；Otherwise, then therapeutic effect has been reached.
Preferably, described electrode 9 is ring electrode or wire-winding electrode.
Preferably, described guiding tube has at least one chamber.
Preferably, described first control knob and the 3rd control knob are rotation key.Wherein, second and the 3rd control torsion can close
And be a function key, function key can be with push-and-pull, and function key tail end can rotate.
Preferably, described second control knob is the slide key along handle orientations slide anteroposterior.
Controllable bending spiral ablation catheter can realize quick circumferential ablation or linear ablation.
In another embodiment of the present invention second and the 3rd control torsion can also merge into a function key, function key
Can be with push-and-pull, function key tail end can rotate, and its concrete structure is as viewed in figures 5-8.
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive
Feature and/or step beyond, all can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), unless chatted especially
State, all can be by other equivalences or there is the alternative features of similar purpose replaced.I.e., unless specifically stated otherwise, each feature is only
It it is an example in a series of equivalence or similar characteristics.
The invention is not limited in aforesaid detailed description of the invention.The present invention expands to any disclose in this manual
New feature or any new combination, and the arbitrary new method that discloses or the step of process or any new combination.
Claims (1)
1. a controllable bending spiral ablation catheter, melts including handle, installation operating element, guiding tube and spiral in the handle
Conduit；Guiding tube and spiral ablation catheter are connected with operating element, and what spiral ablation catheter was movable is arranged on guiding tube intracavity, draws
Being provided with the first traction fiber in conduit, be provided with the second traction fiber in spiral ablation catheter, described spiral ablation catheter is provided with
Electrode；Described operating element includes,
Control the first control knob of guiding tube far-end bending,
Control spiral ablation catheter to rotate and/or flexible conduit control knob,
The far-end of described spiral ablation catheter in the shape of a spiral, helicoidal structure is provided with one or more electrode；
Described conduit control knob includes that the second control knob and the 3rd control knob, the second control knob and described spiral ablation catheter are solid
Fixed connect, and be slidably connected with handle, slide the second control knob time, the second control knob advances spiral ablation catheter, and spiral disappears
The far-end melting conduit stretches out from guiding tube intracavity, stretches out rear far-end and is automatically shrunk to helical form, the 3rd control knob and described spiral
Ablation catheter is fixedly and coaxially connected, and is rotationally connected with handle, and when rotating three control knobs, the second traction fiber is tightened up or quilt
Loosening, when the second traction fiber is tightened up, the spiral helicine diameter of movement of ablation catheter far-end reduces；Described conduit control knob
Being an integrated control functions key, this integrated control functions key is connected with described spiral ablation catheter, and can be sliding along handle
Being dynamically connected, its afterbody can be around rotatable handle；Described electrode is arranged on described spiral ablation catheter far-end；Described electrode is ring electricity
Pole or wire-winding electrode；Described guiding tube chamber is at least one；Described first control knob and the 3rd control knob are rotation key；Described
Two control knobs are the slide key along handle orientations slide anteroposterior；The helicoidal structure terminal part of the far-end of spiral ablation catheter also has
One straight section, straight section is installed more than 1 electrode, is arranged on the electrode on the helicoidal structure of spiral ablation catheter far-end to focus
Organizing ablation, the electrode of the straight section being arranged on the end of distal end convolutions shape structure for diagnosis or provides stimulation, melts
After, the electrode on the straight section of the end being positioned at ablation catheter distal end convolutions shape structure sends stimulus signal, and ablation catheter is remote
Electrode on end spiral is used for receiving stimulus signal, and detection treatment is the most thorough；Control the second traction fiber of spiral type size even
It is connected to conduit control knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210480777.3A CN103830001B (en) | 2012-11-23 | 2012-11-23 | Controllable bending spiral ablation catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210480777.3A CN103830001B (en) | 2012-11-23 | 2012-11-23 | Controllable bending spiral ablation catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103830001A CN103830001A (en) | 2014-06-04 |
| CN103830001B true CN103830001B (en) | 2016-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210480777.3A Active CN103830001B (en) | 2012-11-23 | 2012-11-23 | Controllable bending spiral ablation catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103830001B (en) |
Families Citing this family (5)
| 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 |
| EP3254635B1 (en) | 2015-02-03 | 2023-08-30 | Shanghai Golden Leaf Med Tec Co., Ltd. | Radio-frequency ablation catheter having spiral structure, and equipment thereof |
| CN104688334A (en) * | 2015-03-23 | 2015-06-10 | 上海魅丽纬叶医疗科技有限公司 | Spiral type radio frequency ablation catheter and equipment with wall-adhered adjusting screw |
| 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 |
| 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 (3)
| 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 |
| CN102488552A (en) * | 2011-12-15 | 2012-06-13 | 四川锦江电子科技有限公司 | Manageable spiral electrophysiology catheter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010007070A1 (en) * | 1999-04-05 | 2001-07-05 | Medtronic, Inc. | Ablation catheter assembly and method for isolating a pulmonary vein |
| US8600472B2 (en) * | 2008-12-30 | 2013-12-03 | Biosense Webster (Israel), Ltd. | Dual-purpose lasso catheter with irrigation using circumferentially arranged ring bump electrodes |
| JP2013544131A (en) * | 2010-10-25 | 2013-12-12 | メドトロニック アーディアン ルクセンブルク ソシエテ ア レスポンサビリテ リミテ | Catheter apparatus having a multi-electrode array for renal neuromodulation and related systems and methods |
-
2012
- 2012-11-23 CN CN201210480777.3A patent/CN103830001B/en active Active
Patent Citations (3)
| 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 |
| CN102488552A (en) * | 2011-12-15 | 2012-06-13 | 四川锦江电子科技有限公司 | Manageable spiral electrophysiology catheter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103830001A (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. |