CN217488814U - Operating handle for a pulse ablation catheter - Google Patents
Operating handle for a pulse ablation catheter Download PDFInfo
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- CN217488814U CN217488814U CN202123292857.XU CN202123292857U CN217488814U CN 217488814 U CN217488814 U CN 217488814U CN 202123292857 U CN202123292857 U CN 202123292857U CN 217488814 U CN217488814 U CN 217488814U
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- ablation catheter
- shell
- pulse ablation
- pull rope
- operating handle
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Abstract
The utility model relates to the technical field of medical equipment, a operating handle for a pulse ablation catheter is disclosed. The utility model discloses an operating handle for pulse ablation catheter, include: casing, carousel, stay cord fixed subassembly and drive assembly, the pulse ablation pipe is connected on the casing, and stay cord fixed subassembly and drive assembly set up in the cavity of casing, and drive assembly sets up on the stay cord fixed subassembly, and the stay cord in the pulse ablation pipe is connected with stay cord fixed subassembly, and the carousel sets up on the lateral wall of casing, protrusion in the surface of casing, and the carousel is connected with drive assembly. The utility model discloses an operating handle for pulse ablation catheter rotates the carousel, and the carousel passes through drive assembly and drives stay cord fixed subassembly and stay cord back-and-forth movement, makes the distal end bending of ablation electrode deformation or messenger pulse ablation catheter of pulse ablation catheter distal end, and the convenience is to the control of pulse ablation catheter distal end, makes the accurate focus department that reachs the human body of pulse ablation catheter.
Description
Technical Field
The embodiment of the utility model provides an relate to medical instrument technical field, concretely relates to operating handle for pulse ablation pipe.
Background
Pulsed electric field ablation is an emerging non-thermal energy ablation technology, can effectively protect important tissues and organs near a focus, and is clinically used for treating diseases (such as tumors, atrial fibrillation and the like).
When in treatment, the ablation catheter extends into the focus of a human body, and the ablation device achieves the purpose of inactivating and necrosing tumor tissue cells through an ablation electrode on the ablation catheter.
The operation handle of the existing pulse ablation catheter is inconvenient to control the far end of the pulse ablation catheter, and the ablation catheter cannot accurately reach a focus.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an operating handle for pulse ablation catheter to solve the problem among the above-mentioned background art.
An embodiment of the utility model provides an operating handle for pulse ablation catheter, be equipped with the stay cord in the pulse ablation catheter, include: the device comprises a shell, a rotary table, a pull rope fixing component and a transmission component;
the pulse ablation catheter is connected to the shell;
the shell is provided with a front end cap which is used for fixing the pulse ablation catheter;
the pull rope fixing assembly and the transmission assembly are arranged in a cavity of the shell, and the transmission assembly is arranged on the pull rope fixing assembly;
the pull rope is connected with the pull rope fixing component;
the rotary disc is arranged on the side wall of the shell and protrudes out of the surface of the shell, the rotary disc is connected with the transmission assembly, and the rotary disc is used for enabling the pull rope to be tightened and released when rotating.
According to the above scheme, the utility model discloses an operating handle for pulse ablation catheter, through setting up casing, carousel, the fixed subassembly of stay cord and drive assembly, the pulse ablation catheter connection is on the casing, and the fixed subassembly of stay cord and drive assembly set up in the cavity of casing, and drive assembly sets up on the fixed subassembly of stay cord, and the stay cord is connected with the fixed subassembly of stay cord, and the carousel setting is on the lateral wall of casing, protrusion in the surface of casing, and the carousel is connected with drive assembly. The utility model discloses an operating handle for pulse ablation catheter, carousel and drive assembly are connected, rotate the carousel, and the carousel passes through drive assembly and drives stay cord fixed subassembly and stay cord back-and-forth movement, and the distal end that makes the distal end of pulse ablation catheter warp or make the pulse ablation catheter is crooked, and the convenience is to the control of pulse ablation catheter distal end, makes the accurate focus department that reachs the human body of pulse ablation catheter.
In one possible approach, the housing includes: a first housing and a second housing;
the first shell is provided with a connecting buckle, the second shell is provided with a connecting clamping groove, and the connecting clamping groove is used for being connected with the connecting buckle in a clamping mode to enable the first shell to be detachably connected with the second shell. By adopting the structure, the installation of the stay cord fixing component and the transmission component in the shell is facilitated, and the stay cord is also conveniently connected and fixed.
In one possible embodiment, the pull cord fixing assembly includes: the sliding plate and the pull rope clamp;
the sliding plate is slidably arranged in the first shell, and the transmission assembly is arranged on the sliding plate;
the sliding plate is provided with a cavity channel and an accommodating groove, and the cavity channel is communicated with the accommodating groove;
the pull rope clamp is arranged in the accommodating groove, and the pull rope penetrates through the cavity channel and is fixed on the pull rope clamp. By adopting the structure, the connection and fixation of the pull rope are facilitated.
In one possible solution, the transmission assembly comprises: the transmission mechanism comprises a stepped transmission shaft, a transmission gear and a linear rack;
a fixed plate is arranged in the first shell;
the stepped transmission shaft is rotatably arranged on the fixed plate and the side wall of the first shell;
the linear rack is arranged on the sliding plate;
the turntable and the transmission gear are sleeved on the stepped transmission shaft, the transmission gear and the linear rack are meshed with each other, and the turntable is used for driving the sliding plate to slide when rotating. By adopting the structure, the control on the pulse ablation catheter is more accurate through the transmission of the gear and the rack.
In one possible solution, the transmission assembly further comprises: a bayonet lock;
the stepped transmission shaft is provided with a clamping pin hole, and the clamping pin is inserted in the clamping pin hole and is abutted to the fixing plate. With this structure, the stepped transmission shaft is prevented from sliding.
In a possible scheme, the first shell is provided with a plurality of first limiting blocks;
the first limiting blocks form a sliding groove on the first shell, and the sliding plate is slidably arranged in the sliding groove. By adopting the structure, the sliding plate and the linear rack are prevented from moving.
In a possible solution, the first housing is provided with a second stopper, and the second stopper is used for limiting the sliding of the sliding plate. By adopting the structure, the stroke control of the sliding plate is realized.
In one possible embodiment, the method further comprises: adjusting the gasket and the silica gel sheet;
the first shell is provided with a mounting box;
the adjusting gasket and the silica gel piece are arranged in the mounting box, the adjusting gasket is located between the mounting box and the silica gel piece, and the silica gel piece is abutted against the linear rack and used for limiting the sliding of the linear rack and the sliding plate. With this structure, the distal end of the pulse ablation catheter is kept in a proper state.
In a feasible scheme, the silica gel sheet and the mounting box are provided with trapezoidal grooves;
the adjusting gasket is trapezoidal and is arranged in the trapezoidal groove. By adopting the structure, the installation and fixation of the adjusting gasket are convenient.
In one possible solution, two pull ropes are provided;
the rotary table, the pull rope fixing assemblies and the transmission assemblies are respectively provided with two pull ropes which are respectively arranged in the first shell and the second shell, and the two pull ropes are respectively connected to the two pull rope fixing assemblies. By adopting the structure, the pulse ablation catheter is more convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic view of an operating handle for a pulse ablation catheter in an embodiment of the present invention;
fig. 2 is an internal schematic view of the first housing in an embodiment of the present invention;
fig. 3 is an enlarged view of a point a in fig. 2 in an embodiment of the present invention;
fig. 4 is an enlarged view of a portion B in fig. 2 according to an embodiment of the present invention;
fig. 5 is a schematic view of a transmission assembly in an embodiment of the invention;
fig. 6 is a schematic view of a stepped transmission shaft according to an embodiment of the present invention;
fig. 7 is an internal schematic view of the second housing in the embodiment of the present invention.
Reference numbers in the figures:
1. a pulse ablation catheter; 11. pulling a rope; 2. a housing; 201. a front end cap; 202. a fixing plate; 21. a first housing; 211. connecting a buckle; 212. a first stopper; 213. a second limiting block; 214. mounting a box; 22. a second housing; 221. a connecting clamping groove; 3. a turntable; 4. a pull rope fixing component; 41. a slide plate; 411. a containing groove; 42. pulling a rope clamp; 5. a transmission assembly; 51. a stepped transmission shaft; 511. a pin clamping hole; 52. a linear rack; 53. a transmission gear; 54. a bayonet lock; 61. adjusting the gasket; 62. a silica gel sheet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The technical solution of the present invention will be described in detail with specific examples. These several specific embodiments may be combined with each other below, and details of the same or similar concepts or processes may not be repeated in some embodiments.
As described in the background of the application, when the pulse ablation electric field is used for ablation, the pulse ablation catheter extends into the focus of a human body, and the ablation device achieves the purpose of inactivating and necrosing tumor tissue cells through an ablation electrode on the ablation catheter.
The inventor of the application finds that the operation handle at the tail end of the existing pulse ablation catheter is inconvenient to control the far end of the pulse ablation catheter, and the ablation catheter cannot accurately reach a focus.
In order to solve the above problems, the inventor of the present application proposes a technical solution of the present application, and specific embodiments are as follows:
fig. 1 is a schematic view of an operating handle for a pulse ablation catheter in an embodiment of the present invention, fig. 2 is an internal schematic view of a first housing in an embodiment of the present invention, fig. 3 is an enlarged view of a position a in fig. 2 in an embodiment of the present invention, fig. 4 is an enlarged view of a position B in fig. 2 in an embodiment of the present invention, fig. 5 is a schematic view of a transmission assembly in an embodiment of the present invention, fig. 6 is a schematic view of a stepped transmission shaft in an embodiment of the present invention, and fig. 7 is an internal schematic view of a second housing in an embodiment of the present invention.
As shown in fig. 1 to 7, the operating handle for the impulse ablation catheter of the present embodiment includes: the device comprises a shell 2, a rotary table 3, a pull rope fixing component 4 and a transmission component 5.
The far end of the pulse ablation catheter 1 is provided with an ablation electrode, a pull rope 11 penetrates through the pulse ablation catheter 1, and the pull rope 11 has certain rigidity and flexibility. The far end of the pull rope 11 can be connected with an ablation electrode, and the shape of the ablation electrode is changed when the pull rope 11 is tightened or released; the far end of the pull rope 11 can also be connected with the side wall of the pulse ablation catheter 1, and when the pull rope 11 is tightened and released, the far end of the pulse ablation catheter 1 is bent, so that the pulse ablation catheter accurately reaches a focus.
The shell 2 is a hollow structure, and a cavity is arranged inside the shell. The distal end (front end) of the shell 2 is provided with a front end cap 201, the proximal end of the pulse ablation catheter 1 is arranged in the connecting channel of the shell 2 in a penetrating way, and the front end cap 201 enables the pulse ablation catheter 1 to be fixed on the shell 2 of the operating handle when being screwed.
The pull rope fixing component 4 and the transmission component 5 are arranged in a cavity of the shell 2, and the transmission component 5 is arranged on the pull rope fixing component 4.
The pull rope 11 in the pulse ablation catheter 1 extends into the shell 2 and is fixedly connected with the pull rope fixing component 4 in the shell 2.
The rotary table 3 is arranged on the outer side wall of the shell 2 and is fixedly connected with a transmission assembly 5 in the shell 2. The upper and lower both ends protrusion in the upper and lower surface of casing 2 of carousel 3, the convenience is to the rotation of carousel 3. The rotary disc 3 drives the pull rope fixing component 4 to slide back and forth in the shell 2 through the transmission component 5 when rotating, and the pull rope 11 is tightened and/or released when the pull rope fixing component 4 slides, so that the shape change of the ablation electrode at the far end of the pulse ablation catheter 1 is realized or the far end of the pulse ablation catheter is bent.
Through the above, it can be easily found that the operating handle for the pulse ablation catheter of the embodiment is characterized in that the operating handle is provided with a shell, a rotary disc, a pull rope fixing component and a transmission component, the pulse ablation catheter is connected to the shell, the pull rope fixing component and the transmission component are arranged in a cavity of the shell, the transmission component is arranged on the pull rope fixing component, the pull rope is connected with the pull rope fixing component, the rotary disc is arranged on the side wall of the shell and protrudes out of the surface of the shell, and the rotary disc is connected with the transmission component. The operating handle for the pulse ablation catheter of the embodiment is characterized in that the rotary disc is connected with the transmission assembly, the rotary disc is rotated, the rotary disc drives the pull rope fixing assembly and the pull rope to move back and forth through the transmission assembly, so that the ablation electrode at the far end of the pulse ablation catheter is deformed or the far end of the pulse ablation catheter is bent, the far end of the pulse ablation catheter is conveniently controlled, and the pulse ablation catheter accurately reaches the focus of a human body.
Alternatively, in the operating handle for a pulse ablation catheter in the present embodiment, the housing 2 includes: a first housing 21 and a second housing 22.
Be equipped with connection buckle 211 on the upper and lower lateral wall of first casing 21, be equipped with connection slot 221 on the upper and lower lateral wall of second casing 22, connection slot 221 of second casing 22 is used for with the connection buckle 211 joint of first casing 21, makes first casing 21 and second casing 22 can dismantle and be connected, makes things convenient for the installation setting of the fixed subassembly 4 of stay cord, drive assembly 5 in casing 2, also makes things convenient for the connection of stay cord 11 to fix.
Further, as shown in fig. 2, 3 and 4, in the operating handle for the pulse ablation catheter in the present embodiment, the pull rope fixing assembly 4 includes: a slide plate 41 and a pull rope clip 42.
The sliding plate 41 is slidably disposed on the bottom plate of the first housing 21, the transmission assembly 5 is disposed on the sliding plate 41, and when the turntable 3 rotates, the transmission assembly 5 drives the sliding plate 41 to slide back and forth on the bottom plate of the first housing 21.
The front end of the sliding plate 41 is provided with a cavity and an accommodating groove 411, and the cavity of the sliding plate 41 is communicated with the accommodating groove 411.
The pull rope clamp 42 is arranged on the sliding plate 41 and embedded in the accommodating groove 411 of the sliding plate 41, the proximal end of the pull rope 11 is arranged in the cavity of the sliding plate 41 in a penetrating way and fixed on the pull rope clamp 42, and the sliding plate 41 can tighten or release the pull rope 11 when sliding back and forth.
Further, as shown in fig. 2 and 5, in the operating handle for the pulse ablation catheter in the present embodiment, the transmission assembly 5 includes: a stepped drive shaft 51, a linear rack 52 and a pinion 53.
A fixing plate 202 is disposed in the first housing 21, the stepped transmission shaft 51 is rotatably disposed on the fixing plate 202 and a sidewall of the first housing 21, and the stepped transmission shaft 51 extends out of the sidewall of the first housing 21.
The linear rack 52 is fixedly arranged on the sliding plate 41 of the pull rope fixing component 4.
The turntable 3 and the transmission gear 53 are fixedly sleeved on the stepped transmission shaft 51, the transmission gear 53 is arranged in the first shell 21 and is positioned above the linear rack 52, and the transmission gear 53 and the linear rack 52 are meshed with each other. When the rotary disk 3 rotates, the transmission gear 53 is driven to rotate, and the rotation of the transmission gear 53 drives the linear rack 52 and the sliding plate 41 to slide back and forth in the first housing 21.
Further, as shown in fig. 5 and 6, in the present embodiment, the operating handle for the pulse ablation catheter, the transmission assembly 5 further includes: a detent 54.
The end of the stepped transmission shaft 51 is provided with a pin hole 511, and the pin 54 is inserted into the pin hole 511 of the stepped transmission shaft 51 and abuts against the side wall of the fixing plate 202, so that the stepped transmission shaft 51 is limited on the first housing 21 to prevent the stepped transmission shaft 51 from sliding left and right on the first housing 21.
Further, in the operating handle for the pulse ablation catheter in this embodiment, a first limiting block 212 is disposed on a bottom plate of the first housing 21.
The first limit blocks 212 are provided in plurality, the first limit blocks 212 are respectively disposed on the left and right sides of the sliding plate 41, the first limit blocks 212 form sliding grooves on the bottom plate of the first housing 21, the sliding plate 41 is slidably disposed in the sliding grooves formed by the first limit blocks 212, and slides back and forth along the side wall of the first limit blocks 212 to prevent the sliding plate from moving left and right when sliding.
Further, in the operating handle for the pulse ablation catheter in this embodiment, a second limiting block 213 is further disposed on the bottom plate of the first housing 21, and the second limiting block 213 is disposed at the front end of the first housing 21.
The sliding plate 41 is arranged between the second limiting block 213 and the rear side wall of the first shell 21, the sliding plate 41 slides back and forth on the first shell 21, stops sliding forward after abutting against the second limiting block 213, and stops sliding backward after abutting against the rear side wall of the first shell 21, so that the control of the back and forth stroke of the sliding plate is realized, the tightening and releasing lengths of the pull rope are controlled, and the control of the bending degree of the far end of the catheter or the deformation of the ablation electrode is achieved.
Further, as shown in fig. 2 and 4, the operating handle for the pulse ablation catheter in the present embodiment further includes: a regulating washer 61 and a silicone sheet 62.
The inner side wall of the first casing 21 is provided with a mounting box 214, and the mounting box 214 is U-shaped.
The adjusting gasket 61 and the silicon sheet 62 are arranged in a U-shaped groove of the mounting box 214, and the adjusting gasket 61 is positioned between the mounting box 214 and the silicon sheet 62.
The front end of the sliding plate 41 is provided with a step, the front end surface of the linear rack 52 abuts against the step of the sliding plate 41, the bottom surface of the silica gel sheet 62 abuts against the top surface of the rear end of the linear rack 52, and the silica gel sheet 62 has certain elasticity and presses the linear rack 52 and the sliding plate 41 against the bottom surface of the first shell 21.
In this embodiment, the carousel drives sharp rack and slide around rotating, and when the carousel stall, under the effect of silica gel piece, sharp rack and slide remain stable for the distal end of the pulse ablation catheter ablation electrode keeps suitable shape, or makes the distal end of the pulse ablation catheter keep suitable crookedness.
Further, in the operating handle for the pulse ablation catheter in this embodiment, trapezoidal grooves are formed on the top surface of the silicone sheet 62 and the bottom wall of the U-shaped groove of the mounting box 214.
The section of adjusting shim 61 is trapezoidal (wedge), and the lower part and the upper part of adjusting shim 61 are embedded in the trapezoidal inslot of silica gel piece 62 and mounting box 214 respectively, make things convenient for adjusting shim's installation fixed.
Further, as shown in fig. 7, in the operating handle for the ablation impulse catheter in the present embodiment, two pull strings 11 are provided in the ablation impulse catheter 1.
The two pull ropes 11 are respectively connected with the two ablation electrodes at the far end of the pulse ablation catheter 1, or the two pull ropes are respectively connected on the side wall at the far end of the pulse ablation catheter 1.
The first housing 21 and the second housing 22 are arranged substantially in mirror symmetry.
The two rotary discs 3, the two pull rope fixing assemblies 4 and the two transmission assemblies 5 are arranged on the first shell 21 and the second shell 22 in mirror symmetry.
The near ends of the two pull ropes 11 are respectively fixed on the two pull rope fixing components 4.
In the embodiment, the shapes of the two ablation electrodes at the far end of the pulse ablation catheter can be adjusted through the two rotary discs and the two pull ropes; or the distal end of the pulse ablation catheter can be bent towards a plurality of directions, so that the control on the distal end of the pulse ablation catheter is more convenient.
In the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media.
Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.
Claims (10)
1. An operating handle for a pulse ablation catheter having a pull cord disposed therein, comprising: the device comprises a shell, a rotary table, a pull rope fixing component and a transmission component;
the pulse ablation catheter is connected to the shell;
the shell is provided with a front end cap which is used for fixing the pulse ablation catheter;
the pull rope fixing assembly and the transmission assembly are arranged in a cavity of the shell, and the transmission assembly is arranged on the pull rope fixing assembly;
the pull rope is connected with the pull rope fixing component;
the rotary disc is arranged on the side wall of the shell and protrudes out of the surface of the shell, the rotary disc is connected with the transmission assembly, and the rotary disc is used for enabling the pull rope to be tightened and released when rotating.
2. The operating handle for a pulse ablation catheter according to claim 1, wherein the housing comprises: a first housing and a second housing;
the first shell is provided with a connecting buckle, the second shell is provided with a connecting clamping groove, and the connecting clamping groove is used for being connected with the connecting buckle in a clamping mode to enable the first shell to be detachably connected with the second shell.
3. The operating handle for a pulse ablation catheter according to claim 2, wherein the pull cord securing assembly comprises: the sliding plate and the pull rope clamp;
the sliding plate is slidably arranged in the first shell, and the transmission assembly is arranged on the sliding plate;
the sliding plate is provided with a cavity channel and an accommodating groove, and the cavity channel is communicated with the accommodating groove;
the pull rope clamp is arranged in the accommodating groove, and the pull rope penetrates through the cavity channel and is fixed on the pull rope clamp.
4. The operating handle for a pulse ablation catheter according to claim 3, wherein the transmission assembly comprises: the transmission mechanism comprises a stepped transmission shaft, a transmission gear and a linear rack;
a fixed plate is arranged in the first shell;
the stepped transmission shaft is rotatably arranged on the fixed plate and the side wall of the first shell;
the linear rack is arranged on the sliding plate;
the turntable and the transmission gear are sleeved on the stepped transmission shaft, the transmission gear and the linear rack are meshed with each other, and the turntable is used for driving the sliding plate to slide when rotating.
5. The operating handle for a pulse ablation catheter according to claim 4, wherein the transmission assembly further comprises: a bayonet lock;
the stepped transmission shaft is provided with a clamping pin hole, and the clamping pin is inserted in the clamping pin hole and is abutted against the fixing plate.
6. The operating handle for a pulse ablation catheter according to claim 4, wherein the first housing is provided with a plurality of first stoppers;
the first limit blocks form a sliding groove on the first shell, and the sliding plate is arranged in the sliding groove in a sliding mode.
7. The operating handle for a pulse ablation catheter according to claim 4, wherein the first housing is provided with a second stopper for limiting the sliding of the slide plate.
8. The operating handle for a pulse ablation catheter according to claim 4, further comprising: adjusting the gasket and the silica gel sheet;
the first shell is provided with a mounting box;
the adjusting gasket and the silica gel piece are arranged in the mounting box, the adjusting gasket is located between the mounting box and the silica gel piece, and the silica gel piece is abutted against the linear rack and used for limiting the sliding of the linear rack and the sliding plate.
9. The operating handle for a pulse ablation catheter according to claim 8, wherein the silicone sheet and the mounting box are provided with trapezoidal grooves;
the adjusting gasket is trapezoidal and is arranged in the trapezoidal groove.
10. The operating handle for a pulse ablation catheter according to any one of claims 2 to 9, wherein there are two of the pulling cords;
the rotary table, the pull rope fixing assemblies and the transmission assemblies are respectively provided with two pull ropes which are respectively arranged in the first shell and the second shell, and the two pull ropes are respectively connected to the two pull rope fixing assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123292857.XU CN217488814U (en) | 2021-12-25 | 2021-12-25 | Operating handle for a pulse ablation catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123292857.XU CN217488814U (en) | 2021-12-25 | 2021-12-25 | Operating handle for a pulse ablation catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217488814U true CN217488814U (en) | 2022-09-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123292857.XU Active CN217488814U (en) | 2021-12-25 | 2021-12-25 | Operating handle for a pulse ablation catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217488814U (en) |
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2021
- 2021-12-25 CN CN202123292857.XU patent/CN217488814U/en active Active
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