CN102921089A - Bending catheter with controllable head and used for interventional therapy - Google Patents
Bending catheter with controllable head and used for interventional therapy Download PDFInfo
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- CN102921089A CN102921089A CN2012104400292A CN201210440029A CN102921089A CN 102921089 A CN102921089 A CN 102921089A CN 2012104400292 A CN2012104400292 A CN 2012104400292A CN 201210440029 A CN201210440029 A CN 201210440029A CN 102921089 A CN102921089 A CN 102921089A
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Abstract
The invention discloses a bending catheter with a controllable head and used for interventional therapy. A head portion of a multi-cavity catheter is connected with a main catheter soft head, the tail portion of the multi-cavity catheter is connected with an extending pipe through a connection piece, a handle is arranged outside the extending pipe, a handle sliding device is movably connected in the handle and is matched with the extending pipe, the upper end and the lower end of the sliding device are extended to the outside of the casing of the handle, a drawing wire is respectively connected with the upper side and the lower side of the sliding device, the other ends of the drawing wires penetrate through auxiliary cavities on the same side of the multi-cavity catheter and the main catheter soft head to be fixedly connected on the head portion of the main catheter soft head, and other end of the extending pipe extends to the outside of the handle to be connected with a connector. Compared with the prior art, the bending catheter has the advantages of being safe, reliable and simple in production process, is capable of meeting other performance requirements of catheters in vessels, achieves universalness of the operation process of doctors, reduces risk of patients in operation, and simultaneously achieves multipurpose performance.
Description
Technical field
The present invention relates to a kind of interposing catheter, particularly relate to a kind of interposing catheter of catheter head controlled deflection.
Background technology
Interventional medicine is a brand-new technology that develops rapidly in recent years, as the medical apparatus and instruments that will get involved in the human body, also is a problem needing to overcome to human vas damage and clinical operation operation universalness.Present interposing catheter carries out the typing processing of catheter head substantially according to human vas distribution shape or organization of human body. and customize difform conduit in conjunction with different shapes, structure and satisfy the demand that in circuitous blood vessel, arrives diseased region.In view of other instructions for use of conduit, conduit must have certain degree of hardness can be in vivo when guaranteeing that the doctor holds the afterbody operation can rotation or pull so that catheter head enters in the circuitous blood vessel.Enough pliabilities also to be arranged to guarantee in the thereupon bending of the natural torsion place of blood vessel, so the catheter proximal end knee will meet the natural curvature of human vas as far as possible.Even with these methods, it still can not avoid damage to the vessel wall , because the polymer material after fully formed or conduit, with a certain rigidity in the transport process, since the curved shape the catheter, the expansion of the vessel is easy to cause the vessel wall damage and even rupture. and the whole process needs to rely on their experience of experienced doctors do these surgeries. otherwise, catheters or drugs can not be transported to the lesion, which bring some pain to the patient, while the doctor give higher requirements can not be universal in order to solve the above two problems. I learn from years of experience and painstaking research, the catheter is designed, you can remotely control a controllable catheter head bent to achieve their goals.
Summary of the invention
Goal of the invention: the invention solves the deficiencies in the prior art, provide a kind of safe and reliable. production technology simply is used for interventional therapy head controlled deflection conduit.
Technical scheme: for achieving the above object, the present invention adopts following technical scheme:
A kind of for interventional therapy head controlled deflection conduit, comprise a multi-cavity catheter, connector, extension tube and handle, described multi-cavity catheter head is connected with the soft head of main pipe, the afterbody of multi-cavity catheter is connected with extension tube by connector, extension tube is provided with handle outward, be connected with the handle carriage in the described handle, carriage cooperates with the extension tube extruding, the up and down two ends of carriage extend to outside the housing of handle, the up and down both sides of described carriage are connected with respectively a traction fiber, the auxiliary chamber that the other end of traction fiber passes the upper homonymy of the soft head of multi-cavity catheter and main pipe is fixedly connected on the head of the soft head of main pipe, the described extension tube other end extends to outside the handle, is connected with joint.
As optimization, the soft head of described multi-cavity catheter and main pipe is equipped with corresponding a plurality of cavitys, and main cavity is positioned at catheter center, is provided with a plurality of auxiliary chambeies outside main chamber, and auxiliary chamber is symmetrical in catheter center.
As optimization, the soft head of described multi-cavity catheter and main pipe is connected and fixed by high-frequency welding.
As optimization, described traction fiber is nitinol alloy wire.
Beneficial effect: compared with prior art, the present invention has the following advantages: (1) conduit can according to the bending of circuitous blood vessel pipeline to soft section of catheter head, can find the path that advances after entering human body very accurately; (2) operation finished of original dependence experience doctor, general doctor just can finish by joystick now, meets very much country and is formulating new medical reform scheme, reaches the principle of " low-level; the wide covering ", has realized the universalness the when doctor performs the operation; (3) if use simple to operate. want in inadequate situation of direction of angle of bend. only needing increase auxiliary chamber and increase corresponding puller system and can realize the main pipe. and broken through the traditional situation that will finalize the design first according to organization of human body or position: (4) are because the present invention is straight shape under normal conditions. can come bending to catheter head by proximal handle after entering in the body. the angle of bending can be allocated according to the tube chamber angle, has reduced greatly the damage and the risk that the excessive expansion of blood vessel are caused blood vessel wall.And can be very accurately and enter smoothly diseased region.Change original repeatedly pull or the rotation of conduit has been caused damage and risk to blood vessel wall, satisfied safe and reliable target.
The present invention is safe and reliable. and production technology is simple, can satisfy other performance requirements of catheter in blood vessel. can satisfy again the universalness of doctor's operating process and the risk in the reduction patient operation process, can realize again simultaneously the multiduty new method of a technological achievement, greatly reduce cost, be fit to widely used within the industry.
Description of drawings
Fig. 1 is structural representation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the invention is described in detail:
As shown in Figure 1 a kind of for interventional therapy head controlled deflection conduit, comprise a multi-cavity catheter 1, connector 2, extension tube 3 and handle 4, multi-cavity catheter 1 head is connected with soft 5 of main pipe, the afterbody of multi-cavity catheter 1 is connected with extension tube 3 by connector 2, the extension tube 3 outer handles 4 that are provided with, be connected with handle carriage 6 in the handle 4, carriage 6 cooperates with extension tube 3 extruding, the up and down two ends of carriage 6 extend to outside the housing of handle 4, the up and down both sides of carriage 6 are connected with respectively a traction fiber 7, the auxiliary chamber that the other end of traction fiber 7 passes homonymy on soft 5 of multi-cavity catheter 1 and the main pipe is fixedly connected on the head of soft 5 of main pipe, extension tube 3 other ends extend to outside the handle 4, be connected with joint 8, soft 5 of multi-cavity catheter 1 and main pipe are equipped with corresponding a plurality of cavitys, main cavity is positioned at catheter center, outside main chamber, be provided with a plurality of auxiliary chambeies, auxiliary chamber is symmetrical in catheter center, soft 5 of multi-cavity catheter 1 and main pipe are connected and fixed by high-frequency welding, and traction fiber 7 is nitinol alloy wire.
In use conduit enters rear structure according to blood vessel or region of interest in the body, can slide by front end handle carriage. nitinol alloy wire is subject to the soft head of traction force pulling distal end of catheter of handle carriage simultaneously, and the pulling force that soft head is subject to nitinol alloy wire is back crooked.So just can arrive smoothly diseased region in conjunction with the angle of blood vessel pipeline or region of interest structure by soft angle of bend, and simple to operate, general doctor just uses, degree of dependence to experience reduces greatly, realized the universalness of operating process, on structure, also change in addition the intravasation of originally finalizing the design first again and caused damage to blood vessel wall. reduce misery patient's operation process and the generation of malpractice, the present invention can realize any angular bend of 360 ° of annulars, and technique is simple. as long as main pipe increases one or more compensated cavities.It is crooked that each compensated cavity has the nitinol alloy wire of a tractive to be connected realization with handle, this shows, the present invention has also reduced production cost simultaneously greatly.
The above only is preferred implementation of the present invention; be noted that for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. one kind is used for interventional therapy head controlled deflection conduit, it is characterized in that: comprise a multi-cavity catheter, connector, extension tube and handle, described multi-cavity catheter head is connected with the soft head of main pipe, the afterbody of multi-cavity catheter is connected with extension tube by connector, extension tube is provided with handle outward, be connected with the handle carriage in the described handle, carriage cooperates with the extension tube extruding, the up and down two ends of carriage extend to outside the housing of handle, the up and down both sides of described carriage are connected with respectively a traction fiber, the auxiliary chamber that the other end of traction fiber passes the upper homonymy of the soft head of multi-cavity catheter and main pipe is fixedly connected on the head of the soft head of main pipe, the described extension tube other end extends to outside the handle, is connected with joint.
2. according to claim 1 a kind of for interventional therapy head controlled deflection conduit, it is characterized in that: the soft head of described multi-cavity catheter and main pipe is equipped with corresponding a plurality of cavitys, main cavity is positioned at catheter center, is provided with a plurality of auxiliary chambeies outside main chamber, and auxiliary chamber is symmetrical in catheter center.
3. according to claim 1 a kind of for interventional therapy head controlled deflection conduit, it is characterized in that: the soft head of described multi-cavity catheter and main pipe is connected and fixed by high-frequency welding.
4. according to claim 1 a kind of for interventional therapy head controlled deflection conduit, it is characterized in that: described traction fiber is nitinol alloy wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104400292A CN102921089A (en) | 2012-11-07 | 2012-11-07 | Bending catheter with controllable head and used for interventional therapy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104400292A CN102921089A (en) | 2012-11-07 | 2012-11-07 | Bending catheter with controllable head and used for interventional therapy |
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| Publication Number | Publication Date |
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| CN102921089A true CN102921089A (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104400292A Pending CN102921089A (en) | 2012-11-07 | 2012-11-07 | Bending catheter with controllable head and used for interventional therapy |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104757973A (en) * | 2015-04-10 | 2015-07-08 | 张志辉 | Catheter for diagnoses and treatment |
| CN104859167A (en) * | 2015-05-18 | 2015-08-26 | 南通伊诺精密塑胶导管有限公司 | Manufacturing method of controllable bent catheter used for head interventional treatment |
| CN107260299A (en) * | 2017-08-04 | 2017-10-20 | 常州市延陵电子设备有限公司 | Flexible bipolar surgery apparatus |
| CN107550562A (en) * | 2017-09-30 | 2018-01-09 | 常州市延陵电子设备有限公司 | Procedures electrode distal drainage device and procedures electrode apparatus |
| CN108201653A (en) * | 2018-03-16 | 2018-06-26 | 上海康德莱医疗器械股份有限公司 | A kind of controllable curved conductor |
| CN108618827A (en) * | 2017-11-13 | 2018-10-09 | 江门市鸿想医疗器械科技有限公司 | A kind of ureter sheath with controlled deflection function |
| CN109173022A (en) * | 2018-09-03 | 2019-01-11 | 李发久 | Convenient for controlling curved interposing catheter |
| CN109350321A (en) * | 2018-12-06 | 2019-02-19 | 南京法迈特科技发展有限公司 | Stenter to implant device under visibility status |
| WO2019134652A1 (en) | 2018-01-03 | 2019-07-11 | 杭州启明医疗器械股份有限公司 | Bendable sheath and delivery system using bendable sheath |
| CN112245766A (en) * | 2020-10-30 | 2021-01-22 | 广东脉搏医疗科技有限公司 | Adjustable bent sheath pipe |
| WO2023024600A1 (en) * | 2021-08-23 | 2023-03-02 | 上海生知医疗科技有限公司 | Multiple-degree-of-freedom portable minimally invasive surgery robotic arm |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994001162A2 (en) * | 1992-07-06 | 1994-01-20 | Catheter Imaging Systems | Steerable catheter |
| US20090137953A1 (en) * | 2005-05-05 | 2009-05-28 | Enpath Medical Inc. | Deflectable catheter steering and locking system |
| CN101822573A (en) * | 2008-12-30 | 2010-09-08 | 韦伯斯特生物官能公司 | Deflectable sheath introducer |
| CN203154533U (en) * | 2012-11-07 | 2013-08-28 | 南通伊诺精密塑胶导管有限公司 | Catheter with controllable bending head for interventional therapy |
-
2012
- 2012-11-07 CN CN2012104400292A patent/CN102921089A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994001162A2 (en) * | 1992-07-06 | 1994-01-20 | Catheter Imaging Systems | Steerable catheter |
| US20090137953A1 (en) * | 2005-05-05 | 2009-05-28 | Enpath Medical Inc. | Deflectable catheter steering and locking system |
| CN101822573A (en) * | 2008-12-30 | 2010-09-08 | 韦伯斯特生物官能公司 | Deflectable sheath introducer |
| CN203154533U (en) * | 2012-11-07 | 2013-08-28 | 南通伊诺精密塑胶导管有限公司 | Catheter with controllable bending head for interventional therapy |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104757973A (en) * | 2015-04-10 | 2015-07-08 | 张志辉 | Catheter for diagnoses and treatment |
| CN104859167A (en) * | 2015-05-18 | 2015-08-26 | 南通伊诺精密塑胶导管有限公司 | Manufacturing method of controllable bent catheter used for head interventional treatment |
| CN107260299A (en) * | 2017-08-04 | 2017-10-20 | 常州市延陵电子设备有限公司 | Flexible bipolar surgery apparatus |
| CN107550562A (en) * | 2017-09-30 | 2018-01-09 | 常州市延陵电子设备有限公司 | Procedures electrode distal drainage device and procedures electrode apparatus |
| CN108618827A (en) * | 2017-11-13 | 2018-10-09 | 江门市鸿想医疗器械科技有限公司 | A kind of ureter sheath with controlled deflection function |
| WO2019134652A1 (en) | 2018-01-03 | 2019-07-11 | 杭州启明医疗器械股份有限公司 | Bendable sheath and delivery system using bendable sheath |
| CN108201653A (en) * | 2018-03-16 | 2018-06-26 | 上海康德莱医疗器械股份有限公司 | A kind of controllable curved conductor |
| CN108201653B (en) * | 2018-03-16 | 2024-05-31 | 上海瑛泰医疗器械股份有限公司 | Controllable curved pipe |
| CN109173022A (en) * | 2018-09-03 | 2019-01-11 | 李发久 | Convenient for controlling curved interposing catheter |
| CN109350321A (en) * | 2018-12-06 | 2019-02-19 | 南京法迈特科技发展有限公司 | Stenter to implant device under visibility status |
| CN112245766A (en) * | 2020-10-30 | 2021-01-22 | 广东脉搏医疗科技有限公司 | Adjustable bent sheath pipe |
| WO2023024600A1 (en) * | 2021-08-23 | 2023-03-02 | 上海生知医疗科技有限公司 | Multiple-degree-of-freedom portable minimally invasive surgery robotic arm |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130213 |