CN103285492A - Single bending handle - Google Patents
Single bending handle Download PDFInfo
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- CN103285492A CN103285492A CN2012100492115A CN201210049211A CN103285492A CN 103285492 A CN103285492 A CN 103285492A CN 2012100492115 A CN2012100492115 A CN 2012100492115A CN 201210049211 A CN201210049211 A CN 201210049211A CN 103285492 A CN103285492 A CN 103285492A
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- grip
- operating element
- single bending
- hand handle
- tail end
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Abstract
The invention discloses a single bending handle which comprises a grabbing part and a control part glidingly mounted in the grabbing part, wherein a limit part for limiting the sliding range of the control part is arranged in the grabbing part; a catheter body is connected with the control part; and a traction fiber is connected with the grabbing part. The single bending handle is characterized in that the tail end of the control part is located in the grabbing part, and a device for adjusting the diameter of the tail end is arranged at the tail end of the control part. The single bending handle is designed in accordance with the man-machine engineering principle, a palm can grasp the grabbing part completely, so that during an operation process, fingers and the palm are not prone to fatigue, and the operation is stable during an operation process of a user.
Description
Technical field
The present invention relates to the medical catheter device, especially a kind of single bending of the hand handle 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, single bending of the hand handle of advancing good stability.
Technical scheme of the present invention is as follows:
A kind of single bending of the hand handle, comprise grip and the operating element that is slidably mounted in the grip, in grip, be provided with the limiting component of restriction operating element sliding scale, catheter tube is connected with operating element, traction fiber in the conduit 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, 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.
Preferably, the profile of the operating element of described grip and operating element meets the human engineering principle.
Preferably, described fine setting axle installation direction is vertical with the micromatic setting seat.
Preferably, in conduit, also be provided with second traction fiber and also be provided with an installation shaft at the afterbody of grip, the rotation key rotatably is installed on installation shaft, the rotation key is positioned at its inside with one and pitch wheel cooperates, can rotate by driven gear, be useful on the parts of fixing second traction fiber on the gear, end at the rotation key has a locking member, have on these parts and the tooth portion of rotating the restriction rotation key rotation that cooperatively interacts on the key, and locking member can slide with respect to the rotation key, and by the locking relation of this slip change with the rotation key.
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 another embodiment of the present invention.
Fig. 5, Fig. 6, Fig. 7 are the sketch maps at different conditions embodiment illustrated in fig. 4.
The specific embodiment
Specific embodiments of the invention, as Fig. 1, Fig. 2 and shown in Figure 3, a kind of single bending of the hand handle 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, 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 single bending of the hand handle of conduit of the present invention as shown in Figures 2 and 3.Wherein, grip 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, and traction fiber 10 is connected with grip, and 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 single bending of the hand handle 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 preferred embodiment of the present invention, as shown in Figure 4, afterbody at above-mentioned grip 7 increases by an installation shaft 26, rotation key 24 rotatably is installed on installation shaft 26, and rotation key 24 is positioned at its inside with one and pitch wheel 22 cooperates, and can rotate by driven gear 22, second traction fiber 21 is fixed on the gear 22 by fixed block 23, rotates with gear.End at rotation key 24 has a locking member, has and rotate the tooth portion of restriction rotation key 24 rotations that cooperatively interact on the key 24 on these parts, and locking member can slide with respect to rotating key 24, and passes through the locking relation that this slip changes and rotate key 24.
Handle in this example is often used in the conduit that tail end of conduit has the spiral section form, and second traction fiber 21 in this example is passed by catheter interior, is fixed in tail end of conduit.When operating element 5 drives conduit and traction fiber 10 relative motioies, the spiral section of tail end of conduit can compress or expand, change shape, can adjust the diameter of distal end of catheter spiral section easily by rotating second traction fiber 21 then, and then arrangement of electrodes more pressed close to the affected part.Shown in Fig. 5,6,7, be handle in this example at the sketch map of adjusting distal end of catheter.
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 (10)
1. single bending of the hand handle, comprise grip and the operating element that is slidably mounted in the grip, in grip, be provided with the limiting component of restriction operating element sliding scale, catheter tube is connected with operating element, traction fiber in the conduit 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. single bending of the hand handle 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. single bending of the hand handle 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. single bending of the hand handle according to claim 3 is characterized in that: a through hole is arranged in screw thread adjusting means.
5. single bending of the hand handle according to claim 4 is characterized in that: be with rubber ring at the device outer wall of regulating the tail end diameter.
6. single bending of the hand handle according to claim 5, 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.
7. single bending of the hand handle according to claim 1, it is characterized in that: in conduit, also be provided with second traction fiber and also be provided with an installation shaft at the afterbody of grip, the rotation key rotatably is installed on installation shaft, the rotation key is positioned at its inside with one and pitch wheel cooperates, can rotate by driven gear, be useful on the parts of fixing second traction fiber on the gear, end at the rotation key has a locking member, have on these parts and the tooth portion of rotating the restriction rotation key rotation that cooperatively interacts on the key, and locking member can slide with respect to the rotation key, and by the locking relation of this slip change with the rotation key.
8. single bending of the hand handle 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.
9. single bending of the hand handle according to claim 6 is characterized in that: described fine setting axle installation direction is vertical with the micromatic setting seat.
10. single bending of the hand handle according to claim 1, it is characterized in that: the profile of controlling key of described grip and operating element meets the human engineering principle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210049211.5A CN103285492B (en) | 2012-02-29 | 2012-02-29 | Single bending handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210049211.5A CN103285492B (en) | 2012-02-29 | 2012-02-29 | Single bending handle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103285492A true CN103285492A (en) | 2013-09-11 |
| CN103285492B CN103285492B (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210049211.5A Active CN103285492B (en) | 2012-02-29 | 2012-02-29 | Single bending handle |
Country Status (1)
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| CN (1) | CN103285492B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4960134A (en) * | 1988-11-18 | 1990-10-02 | Webster Wilton W Jr | Steerable catheter |
| CN2122645U (en) * | 1992-06-17 | 1992-11-25 | 李楚森 | Rotary-operated high electrode cardiac catheter |
| CN1082382A (en) * | 1992-07-07 | 1994-02-23 | 鲍兹·阿夫托尔 | The Biplanar deflectable catheter that is used for arrhythmogenic tissue ablation |
| 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 |
| JP2003319915A (en) * | 2002-03-25 | 2003-11-11 | Biosense Webster Inc | Bidirectional mapping catheter and method for mapping electrical activity |
| JP2008086729A (en) * | 2006-10-02 | 2008-04-17 | River Seiko:Kk | Cardiac catheter |
| CN101443069A (en) * | 2006-05-17 | 2009-05-27 | 圣朱德医疗有限公司房颤分公司 | Auto lock for catheter handle |
| CN101584906A (en) * | 2008-05-20 | 2009-11-25 | 日本生命线株式会社 | Catheter handle |
| CN102000379A (en) * | 2009-08-28 | 2011-04-06 | 韦伯斯特生物官能公司 | Catheter with multi-functional control handle having rotational mechanism |
| CN102198305A (en) * | 2010-03-23 | 2011-09-28 | 微创医疗器械(上海)有限公司 | Device and system for locally delivering therapeutic agents |
-
2012
- 2012-02-29 CN CN201210049211.5A patent/CN103285492B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4960134A (en) * | 1988-11-18 | 1990-10-02 | Webster Wilton W Jr | Steerable catheter |
| CN2122645U (en) * | 1992-06-17 | 1992-11-25 | 李楚森 | Rotary-operated high electrode cardiac catheter |
| CN1082382A (en) * | 1992-07-07 | 1994-02-23 | 鲍兹·阿夫托尔 | The Biplanar deflectable catheter that is used for arrhythmogenic tissue ablation |
| 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 |
| JP2003319915A (en) * | 2002-03-25 | 2003-11-11 | Biosense Webster Inc | Bidirectional mapping catheter and method for mapping electrical activity |
| CN101443069A (en) * | 2006-05-17 | 2009-05-27 | 圣朱德医疗有限公司房颤分公司 | Auto lock for catheter handle |
| JP2008086729A (en) * | 2006-10-02 | 2008-04-17 | River Seiko:Kk | Cardiac catheter |
| CN101584906A (en) * | 2008-05-20 | 2009-11-25 | 日本生命线株式会社 | Catheter handle |
| CN102000379A (en) * | 2009-08-28 | 2011-04-06 | 韦伯斯特生物官能公司 | Catheter with multi-functional control handle having rotational mechanism |
| CN102198305A (en) * | 2010-03-23 | 2011-09-28 | 微创医疗器械(上海)有限公司 | Device and system for locally delivering therapeutic agents |
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| Publication number | Publication date |
|---|---|
| CN103285492B (en) | 2015-05-06 |
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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. |
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