CN103285491B - Controllable electrophysiologic conduit - Google Patents
Controllable electrophysiologic conduit Download PDFInfo
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- CN103285491B CN103285491B CN201210049214.9A CN201210049214A CN103285491B CN 103285491 B CN103285491 B CN 103285491B CN 201210049214 A CN201210049214 A CN 201210049214A CN 103285491 B CN103285491 B CN 103285491B
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- grip
- operating element
- controlled
- tail end
- conduit
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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 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 conventionally, and for example plastics, comprise polyethylene, polyester or polyamide.Complicated due to cardiac structure, need the handle that handling is superior 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 various structures, disclosed a kind of joystick with equipment propulsive mechanism in Chinese invention patent application 200810176905, and this handle adopts the mode of screw propulsion to control the relative motion of conduit and steel wire.In an improved example, in Chinese patent 200680030272.X, disclose a kind of utilization and control the contraction of distal end of catheter spiral section and the structure that expansion reaches better laminating effect.
Although there is the much equipment that can be used for providing and strengthening conduit stiffness in prior art, comprise reinforcement traction fiber, these equipment are normally separated rather than one in conduit, make to divide other to control.In fact, seldom have and known in catheter interior, can advance and strengthen traction fiber or miscellaneous equipment enters or through the mechanism of EP conduit.In prior art, mostly use the propulsive mechanism with the one-sided adjusting of screw, this mechanism easily causes propulsion plant to control middle imbalance, and mostly identical or continue to use foreign technology, and joystick easily causes fatigue after can allowing operator operate certain hour.Therefore, need to provide a kind of conduit with inner propulsive mechanism, this propulsive mechanism can advance reinforcement traction fiber effectively, easily or miscellaneous equipment enters or pass catheter tube.
Summary of the invention
The object 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 for the grip of conduit being installed and being slidably mounted in the operating element of 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, at the tail end of operating element, be provided with the device of adjusting tail end diameter.
Supplementary technology scheme of the present invention is as follows:
Preferably, on described operating element, have the key of controlling of hand-held use, described in control key surface and be 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 coordinating with it on screw thread adjusting means, have one section of conical surface.
Preferably, in screw thread adjusting means, there is a through hole.
Preferably, described supravasal electrode comprises one or more groups wire-winding electrode.
Preferably, described supravasal electrode also comprises ring electrode, comprises the combination of wire-winding electrode and ring electrode.
Preferably, at described tail end of conduit, be mounted with a spring.For alleviating tail end of conduit collision to blood vessel when getting involved, avoid causing damage.
Preferably, on the device outer wall that regulates tail end diameter, cover has rubber ring.
Preferably, on grip, there is an opening, micromatic setting seat is installed in opening, in micromatic setting seat, fine adjustment shaft is installed, wherein on fine adjustment shaft, there are one section of face of cylinder and micromatic setting base inner surface to cooperatively interact, on fine adjustment shaft and micromatic setting seat, are provided with for by the through hole of traction fiber.
Preferably, on described fine adjustment shaft, there is a manhole.
Preferably, be positioned in the part of grip have a chute at operating element, micromatic setting seat bottom is arranged in chute.
The invention has the beneficial effects as follows:
1, adopt tail end to regulate the mode of diameter to regulate the slip damping between operating element and grip, can be so that damping be uniform, avoid existing employing screw to screw the shortcoming that operating element operation that the unidirectional increase pressure of mode damping adjusting brings has some setbacks, guarantee that doctor in use controls more convenient.Controlling operating element can pull traction fiber to the bending of body distal portions or deflection.
2, in some preferred embodiments, the design of grip and operating element meets human engineering principle, and palm can be held grip completely, in operating process, and finger, palm indefatigability.
3, in some preferred embodiments, adopt the mode of micromatic setting seat and fine adjustment shaft to fix and adjust traction fiber, make the structure of whole device more simple, rationally, be easy to processing and assemble.
4, in some preferred embodiments, the chute on micromatic setting seat and operating element coordinates, and can play the function of restriction operating element sliding stroke, and the structure of whole parts is more simplified, and has saved cost, is also convenient to dismounting and assembling.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the schematic diagram of the embodiment of the present invention.
Fig. 2 is the assembly drawing of the embodiment of the present invention.
Fig. 3 is the cutaway view of the embodiment of the present invention.
Fig. 4 is the schematic diagram of the distal end of catheter electrode of another embodiment of the present invention.
Fig. 5 is the schematic diagram of the distal end of catheter electrode of another embodiment of the present invention.
Fig. 6 is the schematic diagram of the distal end of catheter electrode of another embodiment of the present invention.
The specific embodiment
Specific embodiments of the invention, as shown in Figure 1, Figure 2 and Figure 3, a kind of controlled electrophysiologicalcatheter catheter comprises:
In this manual, 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, wire-winding electrode or ring electrode 2, catheter tube 3, grip and operating element, grip and operating element are for controlling the relative position of traction fiber and catheter tube, thereby control bending or the deflection of the conduit part at 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, on the far-end of conduit, be furnished with the combination of wire-winding electrode and ring electrode, catheter placement and grip and operating element 5 grips 7 and be slidably mounted in the operating element 5 in 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 that regulates tail end diameter, finely tunes locking device.
1. the front end of controlling key of operating element 5 is with the circular gripping portion that meets ergonomics, and gripping portion, with bar shaped decorative pattern, can be avoided pointing Long contact time and skid.Controlling key the place ahead and be provided with the rubber cap 4 of the taper that flexible material makes, overexerting when preventing that doctor from operating causes damage to human body or conduit.
2. at operating element tail end, there is fine setting locking device and comprise fine setting tensioner and fine setting adjusting device
1.. operating element 5 inserts grip 7, the dynamics needing while controlled electrophysiologicalcatheter catheter control far-end bending being tentatively set by O type circle 11 between operating element 5 and grip 7, fine setting locking device is 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 from the tail end of grip 7 rotation and regulate, and the tail end of operating element 5 is expanded, thereby change the frictional force between operating element 5 and grip 7.
3. advance the micromatic setting of controlling traction fiber 10 to comprise fine adjustment shaft 8 and micromatic setting seat 6
1.. advance the fine adjustment shaft 8 of controlling traction fiber micromatic setting, these fine adjustment shaft 8 bags have one or more holes.
2.. micromatic setting seat 6 has and fine adjustment shaft 8 corresponding apertures.
3.. propelling is controlled traction fiber 10 and is passed from micromatic setting seat 6 holes, and passes the hole of fine adjustment shaft 8 with this, and rotary fine adjustment axle 8 regulates to advance controls traction fiber, by frictional force between fine adjustment shaft 8 and micromatic setting seat 6, realizes the rear auto lock of fine adjustment shaft 8 rotation.
4.. described fine adjustment shaft 8 installation directions are vertical with micromatic setting seat.That is, after the outer housing of micromatic setting seat 6 is opened, can be easily at lateral adjustment fine adjustment shaft 8.
4. electrode cable 14 puts respectively heat-shrink tube 12, electrode cable 14 is welded on respectively to the copper post part of out splice going splice 16, and heat-shrink tube 15 is pushed into out splice going splice and is intersected, then heating makes its locking.Also can outside the heat-shrink tube 15 after pyrocondensation, overlap again one deck heat-shrink tube, then heating makes its locking.
In above-described embodiment, catheter tube and existing body are similar, 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 macromolecular material extrusion moulding, traction fiber and wire are by passing in 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.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, on conduit outer wall, be furnished with a plurality of wire-winding electrodes 22, the wire-winding electrode 22 that the type is arranged can carry out linear ablation to blood vessel wall or tissue, the area melting than independent ring electrode or wire-winding electrode is larger, 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 wire-winding electrode 22 and ring electrode 23 on conduit outer wall, wherein wire-winding electrode 22 is arranged in 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 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.That is,, unless narration especially, each feature is an example in a series of equivalences or 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 disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (9)
1. a controlled electrophysiologicalcatheter catheter, comprise conduit, supravasal electrode and for the grip of placement catheter be slidably mounted in the operating element of 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: on described operating element, have the key of controlling of a hand-held use, described in control key surface and be 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 be positioned at the screwed hole that tail end extends vertically and the screw thread adjusting means coordinating with it on screw thread adjusting means, have one section of conical surface.
4. controlled electrophysiologicalcatheter catheter according to claim 3, is characterized in that: in screw thread adjusting means, have a through hole.
5. controlled electrophysiologicalcatheter catheter according to claim 4, is characterized in that: described supravasal electrode comprises one or more groups wire-winding electrode.
6. controlled electrophysiologicalcatheter catheter according to claim 5, is characterized in that: described supravasal electrode also comprises ring electrode.
7. controlled electrophysiologicalcatheter catheter according to claim 5, is characterized in that: at described tail end of conduit, be mounted with a spring.
8. according to the controlled electrophysiologicalcatheter catheter described in claim 5 or 6, it is characterized in that: on grip, have an opening, micromatic setting seat is installed in opening, in micromatic setting seat, fine adjustment shaft is installed, wherein on fine adjustment shaft, there are one section of face of cylinder and micromatic setting base inner surface to cooperatively interact, on fine adjustment shaft and micromatic setting seat, are provided with for by the through hole of traction fiber.
9. controlled electrophysiologicalcatheter catheter according to claim 8, is characterized in that: at operating element, be positioned in the part of grip and have a chute, 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 |
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| Publication Number | Publication Date |
|---|---|
| CN103285491A CN103285491A (en) | 2013-09-11 |
| CN103285491B true CN103285491B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210049214.9A Active CN103285491B (en) | 2012-02-29 | 2012-02-29 | Controllable electrophysiologic conduit |
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Families Citing this family (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 |
| 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 |
| CN109745079B (en) * | 2019-01-14 | 2021-10-29 | 张志秀 | Small intestine liquid 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 |
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| CN103285491A (en) | 2013-09-11 |
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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. |