CN103892906B - Wound-rotor type perfusion conduit - Google Patents
Wound-rotor type perfusion conduit Download PDFInfo
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- CN103892906B CN103892906B CN201210577430.0A CN201210577430A CN103892906B CN 103892906 B CN103892906 B CN 103892906B CN 201210577430 A CN201210577430 A CN 201210577430A CN 103892906 B CN103892906 B CN 103892906B
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- winding electrode
- temperature sensor
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Abstract
The invention discloses a kind of Wound-rotor type perfusion conduit, described Wound-rotor type perfusion conduit includes wire-winding electrode and the opening that described wire-winding electrode is contacted being arranged on body with tissue, described wire-winding electrode is arranged on body, and described wire-winding electrode is connected with electrode cable.The Wound-rotor type perfusion conduit of this Invention Announce utilizes the heat effect of radio-frequency current, makes lesion tissue be dried, is dehydrated, downright bad, reaches the purpose for the treatment of；Meanwhile, the pitch gap between Wound-rotor type perfusion conduit, infusion liquid can be sprayed, reduce electrode and be ablated to lesion tissue surface temperature, it is to avoid produce thrombosis or incrustation, thus reach more preferable curative effect.A kind of conduit, conduit is irrigated including body, the hollow cavity of body, pouring liquid pipe, temperature sensor and Wound-rotor type, described pouring liquid pipe is arranged in the hollow cavity of body, described temperature sensor is arranged under Wound-rotor type perfusion conduit, and described temperature sensor is connected with the temperature sensor lead in the hollow cavity being arranged on described body.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of Wound-rotor type for minimally invasive treatment tissue
Perfusion conduit.
Background technology
Have and melt the cure mechanism of the electrode with cutting function and be mainly heat effect.The rf wave of electrode is substantially special
Electromagnetic wave in the range of Ding.Medical radio-frequency uses the frequency of 400KHz to 460KHz mostly at present.Radio-frequency current stream when electrode
When tissue, Wound-rotor type perfusion conduit utilizes the heat effect of radio-frequency current, makes lesion tissue be dried, is dehydrated, downright bad, reaches
The purpose for the treatment of；
But, though the method for simple electrode therapy can produce the effect for the treatment of, but, it is easily caused thrombosis or incrustation,
Simultaneously as the ablation range produced with electrode therapy merely is limited, causes treating not thorough, and there will be a certain proportion of multiple
Send out.
Accordingly, it is desirable to provide one makes to produce tissue injury bigger, deeper at lesion tissue position, reach preferably to control
Treat purpose method.The advance of the present invention: a kind of electrode with Wound-rotor type perfusion functional, by spraying perfusion to tissue surface
Liquid, on the one hand maintains relatively low organizational interface's temperature, anti-tampon or incrustation；On the other hand increase heat-conduction effect, make in disease
Stove tissue site produces tissue injury bigger, deeper, reaches more preferable therapeutic purposes.
Summary of the invention
Present invention aim at:
The problem existed for prior art, it is provided that a kind of electrode with perfusion functional, by spraying to tissue surface
On the one hand infusion liquid, remains relatively low and is ablated to lesion tissue surface and electrode temperature, prevent incrustation and thrombosis, make to disappear simultaneously
Melting the degree of depth deeper, curative effect is more thorough.
To achieve these goals, the technical solution used in the present invention is:
A kind of Wound-rotor type perfusion conduit, the body of conduit is provided with wire-winding electrode, described wire-winding electrode and electrode cable
Connecting, have intrusion pipe in conduit, intrusion pipe sprays infusion liquid by the passage on catheter tube or electrode, it is characterised in that: institute
Stating passage is the gap between described wire-winding electrode screw electrode line.
Preferably, having the clad being coated with wire-winding electrode outside body, have opening on clad, this opening makes coiling electricity
Pole part exposes to outside.
Preferably, the screw electrode distance between centers of tracks gap of wire-winding electrode is 0.01 to 5mm.
Preferably, the liquid outlet of described opening and or more than one pouring liquid pipe is connected, pouring liquid
Liquid in pipe flows to described opening by outflow end, and is sprayed onto lesion tissue table by the pitch gap between wire-winding electrode
Face.
Preferably, the outer surface of body can also arrange one or more than one wire-winding electrode.
Preferably, conduit is additionally provided with inside wire-winding electrode temperature sensor, described temperature sensor be arranged on institute
The middle temperature sensor lead stating body connects.
Temperature sensor can be positioned over below electrode or electrode two ends, temperature when detection is melted more accurately.
Described catheter tube can make various geometric figure, such as: linear, shaped form, annular, spiral type etc. are various
Geometry.
The hollow cavity of described body is made up of a chamber or more than one chamber.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, Wound-rotor type perfusion conduit is by winding department away to lesion tissue surface sprinkling infusion liquid, sprays uniformly, maintains
Relatively low tissue temperature.
2, Wound-rotor type perfusion conduit outwards sprays infusion liquid, maintains relatively low electrode surface temperature so that deeper sick
Stove tissue injury, reaches more preferable therapeutic purposes.
3, liquid pitch gap between wire-winding electrode is sprayed onto tissue surface, effectively raises spraying efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the structural representation of the embodiment of the present invention.
Fig. 3 is the structural representation of the embodiment of the present invention.
Fig. 4 is the structural representation of the embodiment of the present invention.
Fig. 5 is the structural representation of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
A kind of conduit with Wound-rotor type perfusion functional, by lesion tissue surface sprinkling infusion liquid, on the one hand maintains
Relatively low lesion tissue surface temperature, prevents from being formed in ablation procedure thrombosis or incrustation；On the other hand relatively low electrode is maintained
Temperature so that deeper lesion tissue damage, reaches more preferable therapeutic purposes.
As shown in Figure 1 and Figure 4, a kind of Wound-rotor type perfusion conduit, described Wound-rotor type perfusion conduit includes wire-winding electrode 6, bag
The clad covering line electrode 6 and the opening that described wire-winding electrode 6 is contacted with tissue being arranged on body clad
7, the wire-winding electrode 6 being arranged on body is contacted by described opening 7 with tissue site, for the conductivity of described wire-winding electrode 6
Produced heat energy carries out ablation to lesion tissue, and described wire-winding electrode 6 is arranged on body 1, described wire-winding electrode 6 and electricity
Polar conductor 9 connects.
The hollow cavity 2 of body, pouring liquid pipe 3, temperature sensor 4 and wire-winding electrode 6, described pouring liquid pipe 3 sets
Putting in the hollow cavity 2 of body, Bottomhole pressure has the infusion liquid of perfusion, and described temperature sensor 4 is arranged in body 1,
Described temperature sensor 4 is connected with the temperature sensor lead 5 in the hollow cavity 2 being arranged on described body, temperature sensor
For measuring the temperature of electrode and tissue surface, it has described coiling perfusion conduit.
Described opening 7 and one or the connection of more than one pouring liquid pipe 3 outflow end, the liquid in pouring liquid pipe 3
Flow to described opening 7 by outflow end, and be sprayed onto tissue surface by the pitch gap between wire-winding electrode 6.
Fig. 2, Fig. 3, Fig. 5 are another embodiment of the invention, and spiral coil electrode 6 is directly exposed to catheter tube body surface
Face, infusion liquid is sprayed out by the gap between the screw electrode line of wire-winding electrode 6 through internal intrusion pipe conveying.
As the preferred version of the present invention, the outer surface of body can also arrange one or more than one wire-winding electrode 6.
Described catheter tube can make various geometric figure, such as: linear, shaped form, annular, spiral type etc. are various
Geometry..
Temperature sensor 4 can be positioned over below wire-winding electrode 6 or two ends, temperature when detection is melted more accurately.
Preferably, the hollow cavity of body is made up of a chamber or more than one chamber.
The perfusion catheter tube of upper similar above-described embodiment, its body distal end makes arbitrary geometry such as can circularizing
Shape.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
The foregoing is only the preferred embodiment of invention, not in order to limit the present invention, all spirit in the present invention
Any amendment, equivalent and improvement etc. with being made within principle, should be included within the scope of the present invention.
Claims (1)
1. a Wound-rotor type perfusion conduit, the body of conduit is provided with wire-winding electrode, and described wire-winding electrode is with electrode cable even
Connecing, have pouring liquid pipe in conduit, pouring liquid pipe sprays infusion liquid by the passage on catheter tube or electrode, and its feature exists
In: described passage is the gap between described wire-winding electrode screw electrode line, and wire-winding electrode is directly exposed to catheter tube surface,
Having the clad being coated with wire-winding electrode outside body, have opening on clad, this opening makes wire-winding electrode part expose to outward
Portion, the wire-winding electrode being arranged on body is contacted by described opening with tissue site, the screw electrode distance between centers of tracks seam of wire-winding electrode
Gap is 0.01 to 5mm, and the liquid outlet of described opening and more than one pouring liquid pipe is connected, the liquid in pouring liquid pipe
Flow to described opening by outflow end, and be sprayed onto lesion tissue surface by the pitch gap between wire-winding electrode, body
Outer surface is additionally provided with other wire-winding electrodes more than one, catheter tube geometric figure be following in the group of one or more
Closing: linear, annular, spiral type, be additionally provided with temperature sensor on conduit inside wire-winding electrode, described temperature sensor is used for
Measuring electrode and the temperature of tissue surface, described temperature sensor is with the temperature sensor lead being arranged in described body even
Connecing, temperature sensor is positioned over below wire-winding electrode or two ends, and temperature when detection is melted more accurately, described pouring liquid pipe sets
Putting in the hollow cavity of body, Bottomhole pressure has the infusion liquid of perfusion, and described hollow cavity is made up of more than one chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577430.0A CN103892906B (en) | 2012-12-27 | 2012-12-27 | Wound-rotor type perfusion conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577430.0A CN103892906B (en) | 2012-12-27 | 2012-12-27 | Wound-rotor type perfusion conduit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103892906A CN103892906A (en) | 2014-07-02 |
| CN103892906B true CN103892906B (en) | 2016-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210577430.0A Active CN103892906B (en) | 2012-12-27 | 2012-12-27 | Wound-rotor type perfusion conduit |
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| Country | Link |
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| CN (1) | CN103892906B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106880401B (en) * | 2017-03-28 | 2023-05-26 | 成都美创医疗科技股份有限公司 | Plasma debridement scalpel |
| CN108852269B (en) * | 2018-07-27 | 2021-09-03 | 宜春学院 | Automatic iodine staining device for gastrointestinal mucosa endoscopy |
| CN109091753A (en) * | 2018-11-08 | 2018-12-28 | 常州瑞神安医疗器械有限公司 | A kind of spinal cord stimulation electrode with temperature sense function |
| JP2022537018A (en) * | 2019-06-20 | 2022-08-23 | アクソン セラピーズ，インク． | Method and device for endovascular ablation of visceral nerves |
| CN110478033A (en) * | 2019-09-10 | 2019-11-22 | 成都康圣达科技有限公司 | A kind of bipolar catheter system of intracavitary therapy |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6669692B1 (en) * | 2000-08-21 | 2003-12-30 | Biosense Webster, Inc. | Ablation catheter with cooled linear electrode |
| US7819866B2 (en) * | 2003-01-21 | 2010-10-26 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Ablation catheter and electrode |
| JP5853426B2 (en) * | 2011-06-08 | 2016-02-09 | 東レ株式会社 | Ablation catheter with balloon |
| CN102429725A (en) * | 2011-12-14 | 2012-05-02 | 四川锦江电子科技有限公司 | Electrophysiological electrode capable of spraying liquid |
| CN102688093B (en) * | 2012-06-20 | 2014-08-27 | 深圳市惠泰医疗器械有限公司 | Renal artery cold saline water radio frequency ablation controllable electrode catheter |
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2012
- 2012-12-27 CN CN201210577430.0A patent/CN103892906B/en active Active
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| CN103892906A (en) | 2014-07-02 |
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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. |