CN103285491A - Controllable electrophysiologic conduit - Google Patents
Controllable electrophysiologic conduit Download PDFInfo
- Publication number
- CN103285491A CN103285491A CN2012100492149A CN201210049214A CN103285491A CN 103285491 A CN103285491 A CN 103285491A CN 2012100492149 A CN2012100492149 A CN 2012100492149A CN 201210049214 A CN201210049214 A CN 201210049214A CN 103285491 A CN103285491 A CN 103285491A
- Authority
- CN
- China
- Prior art keywords
- grip
- operating element
- controlled
- tail end
- conduit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses controllable electrophysiologic conduit which comprises a grasp part and a control component slidably mounted in the grasp part, wherein a limit component for limiting the sliding range of the control component is arranged in the grasp part; a conduit body is connected with the control component, and a traction fiber is connected with the grasp component. The controllable electrophysiologic conduit is characterized in that the tail end of the control component is located in the grasp part, and a device for adjusting the diameter of the tail end is arranged at the tail end of the control component. The design of the device accords with the man-machine engineering principle, a palm can hold the grasp part completely, fingers and palms are not prone to fatigue in an operation process, and the operation is smooth during the operation process by a user.
Description
Technical field
The present invention relates to the medical catheter device, especially a kind of controlled electrophysiologicalcatheter catheter for medical catheter.
Background technology
Catheter tube is made by pliable and tough biocompatible materials usually, and for example plastics comprise polyethylene, polyester or polyamide.Because the cardiac structure complexity, need the superior handle of handling to control conduit, can control conduit accurately arrive the different lesions positions of heart be have challenging.
In order to address this problem, people have adopted the conduit of multiple structure, and disclosed a kind of joystick that has the equipment propulsive mechanism in the Chinese invention patent application 200810176905, this handle adopt the mode of screw propulsion to control the relative motion of conduit and steel wire.In an improved example, a kind of contraction of control distal end of catheter spiral section and structure that expansion reaches better applying effect utilized disclosed among the Chinese patent 200680030272.X.
Though many equipment that can be used for providing and strengthening conduit stiffness are arranged in the prior art, comprise the reinforcement traction fiber, that these equipment normally separate in conduit rather than one, making needs to divide other to control.In fact, seldom there be known can the propelling in catheter interior to strengthen the mechanism that traction fiber or miscellaneous equipment entered or passed the EP conduit.Mostly use the propulsive mechanism that has the one-sided adjusting of screw in the prior art, this mechanism causes propulsion plant to control middle imbalance easily, and identical or continue to use foreign technology mostly, and joystick causes fatigue after can allowing the operator operate certain hour easily.Therefore, need provide a kind of conduit with inner propulsive mechanism, this propulsive mechanism can advance reinforcement traction fiber or miscellaneous equipment to enter or pass catheter tube effectively, easily.
Summary of the invention
The purpose of this invention is to provide a kind of easy to operate, controlled electrophysiologicalcatheter catheter of advancing good stability.
Technical scheme of the present invention is as follows:
A kind of controlled electrophysiologicalcatheter catheter, comprise conduit, supravasal electrode and the operating element that is used for that the grip of conduit is installed and is slidably mounted in grip, in grip, be provided with the limiting component of restriction operating element sliding scale, catheter tube is connected with operating element, traction fiber is connected with grip, it is characterized in that: the tail end of operating element is positioned at grip, is provided with the device of adjusting tail end diameter at the tail end of operating element.
Supplementary technology scheme of the present invention is as follows:
Preferably, the key of controlling of a hand-held usefulness is arranged on the described operating element, the described key surface of controlling is furnished with raised or sunken decorative pattern.
Preferably, the device of described adjusting tail end diameter comprises and is positioned at the screwed hole that tail end extends vertically and the screw thread adjusting means that cooperates with it at screw thread adjusting means one section conical surface is arranged.
Preferably, a through hole is arranged in screw thread adjusting means.
Preferably, described supravasal electrode comprises one or more groups coiling electrode.
Preferably, described supravasal electrode also comprises ring electrode, namely comprises the combination of coiling electrode and ring electrode.
Preferably, be mounted with a spring at described tail end of conduit.Be used for alleviating tail end of conduit collision to blood vessel when getting involved, avoid causing damage.
Preferably, be with rubber ring at the device outer wall of regulating the tail end diameter.
Preferably, at grip an opening is arranged, the micromatic setting seat is installed in opening, the fine setting axle is installed in the micromatic setting seat, wherein there are one section face of cylinder and micromatic setting base inner surface to cooperatively interact on the fine setting axle, are provided with for the through hole by traction fiber at fine setting axle and micromatic setting seat.
Preferably, has a manhole on the described fine setting axle.
Preferably, the part that is positioned at grip at operating element has a chute, and micromatic setting seat bottom is arranged in chute.
The invention has the beneficial effects as follows:
1, the mode that adopts tail end to regulate diameter is regulated the slip damping between operating element and the grip, can be so that damping be uniform, avoid existing and adopt screw to screw the unidirectional increase pressure of mode to regulate the shortcoming that operating element operation that damping brings has some setbacks, it is more convenient to guarantee that the doctor in use controls.The control operating element can spur traction fiber to the bending of body distal portions or deflection.
2, in some preferred embodiments, the design of grip and operating element meets the human engineering principle, and palm can be held grip fully, in the operating process, and finger, palm indefatigability.
3, in some preferred embodiments, adopt the mode of micromatic setting seat and fine setting axle to fix and adjust traction fiber, make that the structure of whole device is more simple, rationally, be easy to processing and assemble.
4, in some preferred embodiments, the chute on micromatic setting seat and the operating element cooperates, and can play the function of restriction operating element sliding stroke, makes the structure of whole parts more simplify, and has saved cost, also is convenient to dismounting and assembling.
Description of drawings
The present invention will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the sketch map of the embodiment of the invention.
Fig. 2 is the assembly drawing of the embodiment of the invention.
Fig. 3 is the cutaway view of the embodiment of the invention.
Fig. 4 is the sketch map of the distal end of catheter electrode of another embodiment of the present invention.
Fig. 5 is the sketch map of the distal end of catheter electrode of another embodiment of the present invention.
Fig. 6 is the sketch map of the distal end of catheter electrode of another embodiment of the present invention.
The specific embodiment
Specific embodiments of the invention, as Fig. 1, Fig. 2 and shown in Figure 3, a kind of controlled electrophysiologicalcatheter catheter comprises:
In this manual, the term conduit refers to and comprises conduit (but not limited) and similar medical apparatus and instruments.Shown in Fig. 1, conduit is divided into substantially: remote electrode 1, coiling electrode or ring electrode 2, catheter tube 3, grip and operating element, grip and operating element are the relative positions of controlling traction fiber and catheter tube, thus bending or the deflection of the duct portion at control remote electrode 1, ring electrode 2 places.
The structural principle of the controlled electrophysiologicalcatheter catheter of conduit of the present invention as shown in Figures 2 and 3.Wherein, be furnished with the combination of coiling electrode and ring electrode on the far-end of conduit, catheter placement and grip and operating element 5 grips 7 and the operating element 5 that is slidably mounted in the grip, wherein the part of operating element 5 is positioned at grip 7, in grip 7, be provided with the limiting component of restriction operating element sliding scale, catheter tube 3 is connected with operating element 5, traction fiber 10 is connected with grip, the tail end of operating element 5 is positioned at grip 7, tail end at operating element 5 is provided with the device of regulating the tail end diameter, namely finely tunes locking device.
1. the front end of controlling key of operating element 5 has the circular gripping portion that meets ergonomics, and gripping portion has the bar shaped decorative pattern, can avoid pointing Long contact time and skid.Controlling the rubber cap 4 that key the place ahead is provided with the taper that flexible material makes, being used for prevents from overexerting when the doctor from operating causes damage to human body or conduit.
2. have the fine setting locking device at the operating element tail end and comprise fine setting tensioner and fine setting adjusting device
1.. operating element 5 inserts grip 7, by O type circle 11 dynamics that needs when controlled electrophysiologicalcatheter catheter is controlled the far-end bending is set tentatively between operating element 5 and the grip 7, and the fine setting locking device is used for further this dynamics of adjusting.There are one or more grooves the one or both sides of grip 7, with the total length of limited block engagement limits operating element slip.
2.. the adjusting device 13 of fine setting locking device can stretch into rotation from the tail end of grip 7 and regulate, and the tail end of operating element 5 is expanded, thereby changes the frictional force between operating element 5 and the grip 7.
3. advance the micromatic setting of controlling traction fiber 10 to comprise fine setting axle 8 and micromatic setting seat 6
1.. advance the fine setting axle 8 of controlling the traction fiber micromatic setting, these fine setting axle 8 bags have one or more holes.
2.. micromatic setting seat 6 has and fine setting axle 8 corresponding apertures.
3.. advance and to control traction fiber 10 and pass from micromatic setting seat 6 holes, and pass the hole of fine setting axle 8 with this, rotary fine adjustment axle 8 is regulated to advance and is controlled traction fiber, realizes auto locks after 8 rotations of fine setting axle by frictional force between fine setting axle 8 and the micromatic setting seat 6.
4.. described fine setting axle 8 installation directions are vertical with the micromatic setting seat.That is, after the outer housing of micromatic setting seat 6 is opened, can be easily at lateral adjustment fine setting axle 8.
4. electrode cable 14 puts heat-shrink tube 12 respectively, and electrode cable 14 is welded on the copper post part of out splice going splice 16 respectively, and heat-shrink tube 15 is pushed into out splice going splice intersects, and reheat makes its locking.Also can overlap one deck heat-shrink tube again outside the heat-shrink tube 15 after pyrocondensation, reheat makes its locking.
Catheter tube and existing body are similar in above-described embodiment, tube wall is to be made by the macromolecular material of biocompatibility, and its inwall comprises braided steel wire, and tube chamber comprises a chamber or a plurality of chamber, be to be made by the macromolecular material extrusion moulding, traction fiber and lead are by passing in the tube chamber.
On the basis of above-described embodiment, a specific embodiment of distal end of catheter of the present invention as shown in Figure 4, is mounted with a spring 33 at described tail end of conduit.Be used for alleviating tail end of conduit collision to blood vessel when getting involved, avoid causing damage.
On the basis of above-described embodiment, a specific embodiment of distal end of catheter electrode part of the present invention, as shown in Figure 5, be furnished with a plurality of coiling electrodes 22 at conduit outer wall, the coiling electrode 22 that the type is arranged can carry out linear ablation to blood vessel wall or tissue, area than independent ring electrode or coiling electrode ablation is bigger, more even.
On the basis of above-described embodiment, a specific embodiment of distal end of catheter electrode part of the present invention as shown in Figure 5, is furnished with the combination of coiling electrode 22 and ring electrode 23 at conduit outer wall, the electrode 22 that wherein winds the line is arranged in the end, utilizes the combination of the two to carry out melting of ad-hoc location.
Disclosed all features in this description, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this description (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
The present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (9)
1. controlled electrophysiologicalcatheter catheter, comprise conduit, supravasal electrode and the operating element that is used for that the grip of conduit is installed and is slidably mounted in grip, in grip, be provided with the limiting component of restriction operating element sliding scale, catheter tube is connected with operating element, traction fiber is connected with grip, it is characterized in that: the tail end of operating element is positioned at grip, is provided with the device of adjusting tail end diameter at the tail end of operating element.
2. controlled electrophysiologicalcatheter catheter according to claim 1 is characterized in that: the key of controlling of a hand-held usefulness is arranged on the described operating element, and the described key surface of controlling is furnished with raised or sunken decorative pattern.
3. controlled electrophysiologicalcatheter catheter according to claim 1 and 2 is characterized in that: the device of described adjusting tail end diameter comprises and is positioned at the screwed hole that tail end extends vertically and the screw thread adjusting means that cooperates with it at screw thread adjusting means one section conical surface is arranged.
4. controlled electrophysiologicalcatheter catheter according to claim 3 is characterized in that: a through hole is arranged in screw thread adjusting means.
5. controlled electrophysiologicalcatheter catheter according to claim 4 is characterized in that: described supravasal electrode comprises one or more groups coiling electrode.
6. controlled electrophysiologicalcatheter catheter according to claim 5, it is characterized in that: described supravasal electrode also comprises ring electrode.
7. controlled electrophysiologicalcatheter catheter according to claim 5 is characterized in that: be mounted with a spring at described tail end of conduit.
8. according to claim 5 or 6 described controlled electrophysiologicalcatheter catheters, it is characterized in that: at grip an opening is arranged, the micromatic setting seat is installed in opening, the fine setting axle is installed in the micromatic setting seat, wherein there are one section face of cylinder and micromatic setting base inner surface to cooperatively interact on the fine setting axle, are provided with for the through hole by traction fiber at fine setting axle and micromatic setting seat.
9. controlled electrophysiologicalcatheter catheter according to claim 6, it is characterized in that: the part that is positioned at grip at operating element has a chute, and micromatic setting seat bottom is arranged in chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210049214.9A CN103285491B (en) | 2012-02-29 | 2012-02-29 | Controllable electrophysiologic conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210049214.9A CN103285491B (en) | 2012-02-29 | 2012-02-29 | Controllable electrophysiologic conduit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103285491A true CN103285491A (en) | 2013-09-11 |
| CN103285491B CN103285491B (en) | 2014-12-10 |
Family
ID=49087362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210049214.9A Active CN103285491B (en) | 2012-02-29 | 2012-02-29 | Controllable electrophysiologic conduit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103285491B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308922A (en) * | 2015-06-30 | 2017-01-11 | 四川锦江电子科技有限公司 | Multi-electrode ablation device |
| CN106806017A (en) * | 2015-12-01 | 2017-06-09 | 四川锦江电子科技有限公司 | A kind of accurate measurement power and the conduit in direction |
| CN106806016A (en) * | 2015-12-01 | 2017-06-09 | 四川锦江电子科技有限公司 | A kind of ablating device |
| CN109745079A (en) * | 2019-01-14 | 2019-05-14 | 李玉英 | A kind of intestinal fluid extractor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4960134A (en) * | 1988-11-18 | 1990-10-02 | Webster Wilton W Jr | Steerable catheter |
| US5906590A (en) * | 1995-05-22 | 1999-05-25 | Ep Technologies, Inc. | Bidirectional steerable catheter with deflectable distal tip |
| US6013052A (en) * | 1997-09-04 | 2000-01-11 | Ep Technologies, Inc. | Catheter and piston-type actuation device for use with same |
| CN2409817Y (en) * | 2000-03-10 | 2000-12-13 | 刘显桐 | Retractable walking stick |
| US6575931B1 (en) * | 1998-06-04 | 2003-06-10 | Biosense Webster, Inc. | Catheter with injection needle |
-
2012
- 2012-02-29 CN CN201210049214.9A patent/CN103285491B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4960134A (en) * | 1988-11-18 | 1990-10-02 | Webster Wilton W Jr | Steerable catheter |
| US5906590A (en) * | 1995-05-22 | 1999-05-25 | Ep Technologies, Inc. | Bidirectional steerable catheter with deflectable distal tip |
| US6013052A (en) * | 1997-09-04 | 2000-01-11 | Ep Technologies, Inc. | Catheter and piston-type actuation device for use with same |
| US6575931B1 (en) * | 1998-06-04 | 2003-06-10 | Biosense Webster, Inc. | Catheter with injection needle |
| CN2409817Y (en) * | 2000-03-10 | 2000-12-13 | 刘显桐 | Retractable walking stick |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308922A (en) * | 2015-06-30 | 2017-01-11 | 四川锦江电子科技有限公司 | Multi-electrode ablation device |
| CN106806017A (en) * | 2015-12-01 | 2017-06-09 | 四川锦江电子科技有限公司 | A kind of accurate measurement power and the conduit in direction |
| CN106806016A (en) * | 2015-12-01 | 2017-06-09 | 四川锦江电子科技有限公司 | A kind of ablating device |
| CN106806017B (en) * | 2015-12-01 | 2019-08-27 | 四川锦江电子科技有限公司 | A kind of conduit of precise measurement power and direction |
| CN109745079A (en) * | 2019-01-14 | 2019-05-14 | 李玉英 | A kind of intestinal fluid extractor |
| CN109745079B (en) * | 2019-01-14 | 2021-10-29 | 张志秀 | Small intestine liquid extractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103285491B (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103285491B (en) | Controllable electrophysiologic conduit | |
| EP3325074B1 (en) | Delivery catheter systems | |
| CN108778387B (en) | Steerable catheter with multiple bend radii via steering mechanism with telescoping tubular member | |
| US5327906A (en) | Steerable stylet handle | |
| US9687631B2 (en) | Steering control mechanism for catheters | |
| EP1834661B1 (en) | A stylet device and medical tube assembly | |
| US9907570B2 (en) | Steerable medical devices | |
| US11103679B2 (en) | Steerable catheters and methods for making them | |
| US20080245173A1 (en) | System for controlling the movement of a multi-linked device | |
| EP1970089A2 (en) | Coronary vein navigator | |
| EP1834663B1 (en) | Medical tube | |
| US20070060997A1 (en) | Multi-lumen steerable catheter | |
| CN105903117B (en) | Catheter tube | |
| NZ568920A (en) | Steerable stylet for heart tissue operation catheter | |
| EP2752218B1 (en) | Unidirectional catheter control handle with tensioning control | |
| EP3116582B1 (en) | Kink-resistant guidewire with improved rigidity | |
| WO2014189455A1 (en) | Control means | |
| US20190329004A1 (en) | Flexible catheter using wires | |
| CN104434307A (en) | Mapping catheter | |
| CN103285492B (en) | Single bending handle | |
| DE102008034425A1 (en) | endoscope | |
| US20200222665A1 (en) | Control Mechanism For Medical Device | |
| CN103285493B (en) | Three-control bent handle | |
| KR102249683B1 (en) | Apparatus for assisting body movement | |
| CN114269417A (en) | Steerable catheter handle design |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
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. |
|
| CP01 | Change in the name or title of a patent holder |