CN219629685U - Nerve traction protection device - Google Patents
Nerve traction protection device Download PDFInfo
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- CN219629685U CN219629685U CN202222874518.0U CN202222874518U CN219629685U CN 219629685 U CN219629685 U CN 219629685U CN 202222874518 U CN202222874518 U CN 202222874518U CN 219629685 U CN219629685 U CN 219629685U
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- Prior art keywords
- locking
- handle
- traction
- nerve
- protection device
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- 210000005036 nerve Anatomy 0.000 title claims abstract description 49
- 239000012530 fluid Substances 0.000 description 5
- 230000001012 protector Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 208000003618 Intervertebral Disc Displacement Diseases 0.000 description 2
- 210000001951 dura mater Anatomy 0.000 description 2
- 208000028389 Nerve injury Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008764 nerve damage Effects 0.000 description 1
- 230000001537 neural effect Effects 0.000 description 1
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Abstract
The utility model provides a nerve traction protection device, which relates to the field of nerve stripping protection, and adopts the following scheme: including traction lever and handle, the handle includes articulated fixed handle and locking handle each other, the one end of fixed handle is provided with but reciprocate the traction lever, locking handle can with the traction lever locking, threaded connection has fastening bolt on the fixed handle, fastening bolt with the traction lever sets up perpendicularly, fastening bolt is located locking handle below, fastening bolt can the butt be in with the supporting work sleeve of nerve traction protection device on. The utility model can provide larger and more stable acting force for locking and fastening the traction rod, is suitable for being used when the nerve is traction-protected in the intervertebral disc mirror operation, and is not needed to be held by a hand, thereby reducing the working intensity of operators, saving the manpower and improving the safety of the operation.
Description
Technical Field
The utility model relates to the field of nerve stripping protection, in particular to a nerve traction protection device.
Background
The operation of herniated disk is all carried out in the working sleeve, when the operation is carried out on the herniated disk focus, the dura mater and the nerve are required to be stripped and protected, in the prior art, the dura mater and the nerve are all pulled by a nerve drag hook through manpower of an operation assistant after being stripped, when the operation time is long, the fatigue of the manpower for pulling the nerve can occur, the normal operation is influenced, even the damage of the nerve can be caused, the problem is solved, the Chinese patent application number 201110252413.5 discloses a nerve traction protector, a positioning needle is adopted for positioning, the protector is fastened on the working sleeve by a connecting and locking mechanism, the manual pulling of the nerve is avoided, in the scheme, the locking of the upper and lower positions of the protector and the fastening of a handle on the working sleeve are realized by the connecting and locking mechanism with a spring, when the large nerve such as a main nerve is required to be pulled, the main nerve has a large reaction force to the protector, the spring is compressed by the acting force, the lower end of the protector is reversely pushed by the main nerve, and the operator is required to hold the nerve, and otherwise the nerve is not protected by the traction protection of the nerve.
Therefore, in view of the current state of the art, developing a nerve traction protection device is an urgent problem to be solved.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the nerve traction protection device which can provide larger and more stable acting force for locking and fastening the traction rod, is suitable for traction and protection of nerves in the intervertebral disc operation, reduces the working intensity of operators, saves labor and improves the safety of the operation.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a nerve traction protection device, includes pull rod and handle, the handle includes articulated fixed handle and locking handle each other, the one end of fixed handle is provided with but reciprocate the pull rod, locking handle can with the pull rod locking, threaded connection has fastening bolt on the fixed handle, fastening bolt with the pull rod sets up perpendicularly, fastening bolt is located locking handle below, fastening bolt can the butt with the supporting work sleeve pipe upper portion mouth of pipe of nerve traction protection device. Can prevent through fastening bolt that the traction lever from being pushed by the nerve backward and causing the neural removal of operation in-process, lead to nerve damage, provide the effort source for the locking of traction lever and the fastening of handle independently through locking handle and fastening bolt simultaneously, do not influence the handle when needs adjustment traction lever height and work sleeve's fixed.
Further, the fixed handle is Y type structure, the fixed handle includes fastening portion, locking portion and drive division, fastening bolt sets up fastening portion, the locking portion is provided with places the hole, place the hole with traction lever clearance fit, the locking portion still is provided with the locking hole, the locking hole axis with place the axis in hole perpendicular, the locking hole with place the hole and communicate with each other, the locking handle includes articulated end and drive end, the locking handle with fastening portion is in articulated end department, the articulated end still is provided with the locking pin, the locking pin sets up in the locking hole, the locking pin with be provided with the clearance between the locking hole, the drive end with the drive division is connected through elastic component, when the traction lever is in the locking state, the locking pin with the traction lever butt under spring assembly's effect. Through the cooperation of locking handle and fixed handle, on the one hand, convenient locking and unlocking traction lever, on the other hand do not influence the fastening of handle and sleeve pipe, convenient adjustment traction lever height.
Further, the elastic component comprises a guide rod and a spring, the spring is sleeved on the guide rod, and two ends of the spring are respectively abutted to the driving part and the driving end.
Further, the traction rod is of a hollow structure, and a negative pressure joint is arranged at the upper end of the traction rod. The function of the traction rod is increased, a doctor can be connected with the negative pressure aspirator in the operation, the work of absorbing tissue fluid is independently completed, and the operation is more convenient.
Further, the cross section of the traction rod is elliptical. The occupation of the working sleeve in the diameter direction to the space can be reduced, and larger surgical instruments can be accommodated.
Further, the lower end of the traction rod is provided with a stripping hook, and the stripping hook can be attached to the nerve. The contact area with the nerve can be increased, the nerve is prevented from being separated from the traction rod, and the traction protection of the nerve is better realized.
From the above technical scheme, the utility model has the following advantages:
the scheme provides a nerve traction protection device, which can realize the fastening through the fastening bolt, provide the moment that the size and the stability are both larger than those of a spring for a traction rod, and avoid the need of an assistant to hold a nerve drag hook so as to prevent the traction rod from being reversely pushed by a nerve to lose the effect of protecting the nerve; meanwhile, a acting force source is independently provided for locking the traction rod and fastening the handle through the locking handle and the fastening bolt, so that the traction rod and the handle are not mutually influenced; the traction rod is conveniently locked and unlocked through the cooperation of the locking handle and the fixed handle, and meanwhile, the fastening of the handle and the sleeve is not influenced, so that the height of the traction rod is conveniently adjusted; the negative pressure connector is arranged at the upper end of the traction rod, so that a doctor can independently suck tissue fluid in an operation, and the operation is more convenient; the cross section of the traction rod is set to be oval, so that the occupation of space in the diameter direction of the working sleeve can be reduced, and larger surgical instruments can be accommodated.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of an embodiment of the present utility model.
Fig. 2 is a schematic view of a traction lever in a locked state according to an embodiment of the present utility model.
Fig. 3 is a schematic view of a structure of an unlocked state of a traction lever according to an embodiment of the present utility model.
In the figure, 1, a fixed handle, 101, a driving part, 102, a fastening part, 103, a locking part, 2, a locking handle, 201, a driving end, 202, a hinged end, 3, a locking pin, 4, a negative pressure joint, 5, a traction rod, 6, a spring, 7, a fastening bolt, 8, a stripping hook, 9, a working sleeve, 10, a nerve, 11 and a guide rod.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
As shown in fig. 1 to 3, this embodiment provides a nerve 10 traction protection device, including a traction rod 5 and a handle, the handle includes a hinged fixed handle 1 and a locking handle 2, one end of the fixed handle 1 is provided with the traction rod 5 capable of moving up and down, the locking handle 2 can lock the traction rod 5, a fastening bolt 7 is connected to the fixed handle 1 in a threaded manner, the fastening bolt 7 is vertically arranged with the traction rod 5, the fastening bolt 7 is located below the locking handle 2, the fastening bolt 7 can be abutted on a working sleeve 9 matched with the traction rod 5, a moment with larger stability can be provided for the traction rod 5 through the fastening bolt 7, and the lower end of the traction rod 5 is prevented from being reversely pushed by the nerve to lose the protection effect; the traction rod 5 is of a hollow structure, the negative pressure connector 4 is arranged at the upper end of the traction rod 5, the negative pressure connector 4 is connected with tissue fluid suction equipment, tissue fluid generated by an operation can be sucked through the traction rod 5, a doctor performing the operation can independently operate by one person, no other auxiliary operation special equipment is needed for sucking, manpower and material resources are saved, and the operation is convenient; the cross section of the traction rod 5 is oval, so that occupation of space of the working sleeve 9 can be reduced, larger working equipment can be conveniently placed, the lower end of the traction rod 5 is provided with a stripping hook 8, and the stripping hook 8 can be attached to a nerve 10.
As shown in fig. 2 and 3, in order to facilitate unlocking and locking of the traction rod 5, simultaneously, the locking of the traction rod 5 and the handle and the fastening of the handle and the working sleeve 9 can be independently performed, so that a doctor can conveniently adjust the height of the traction rod 5 as required after fastening the handle, and the following specific structures can be adopted for fixing the handle 1 and the locking handle 2: the fixed handle 1 is of a Y-shaped structure, the fixed handle 1 comprises a fastening part 102, a locking part 103 and a driving part 101, a fastening bolt 7 is arranged on the fastening part 102, the locking part 103 is provided with a placement hole, the placement hole is in clearance fit with a traction rod 5, the locking part 103 is provided with a locking hole, the axis of the locking hole is perpendicular to the axis of the placement hole, the locking hole intersects with the placement hole, the locking handle 2 comprises a hinged end 202 and a driving end 201, the locking handle 2 is hinged with the fastening part 102 at the hinged end 202, the hinged end 202 is further provided with a locking pin 3, the locking pin 3 is arranged in the locking hole, the diameter of the locking pin 3 is smaller than the diameter of the locking hole, a gap is arranged between the locking pin 3 and the locking hole, the locking pin 3 can move forwards and backwards in the locking hole in a slope manner under the driving of the locking handle 2, the driving end 201 and the driving part 101 are connected through an elastic component, the elastic component comprises a guide rod 11 and a spring 6, the upper end of the guide rod 11 is arranged on the driving end 201, the other end of the guide rod 11 stretches out of the guide rod 201, the spring 6 is sleeved on the guide rod 11, and two ends of the spring 6 are respectively abutted with the driving part 101 and the driving end 201; when the traction rod 5 is in a locking state, the locking pin 3 is positioned at the front part of the locking hole, the locking pin 3 is abutted against the traction rod 5 under the action of a spring, and when the traction rod 5 is in an unlocking state, the locking pin 3 is far away from the traction rod 5 and is not in contact with the traction rod 5, and the traction rod 5 is in a loose state and can move up and down.
From the above detailed description, it can be seen that the present utility model has the following advantages:
1. the tightening through the tightening bolt 7 can provide the moment with the size and stability larger than those of the spring 6 for the traction rod 5, so that the traction rod 5 is prevented from being reversely pushed by the nerve 10 to lose the protection effect;
2. the locking handle 2 and the fastening bolt 7 independently provide a source of acting force for locking the traction rod 5 and fastening the handle, so that a doctor can conveniently adjust the height of the traction rod 5 in an operation without influencing the fixation of the handle;
3. the traction rod 5 is conveniently locked and unlocked through the cooperation of the locking handle 2 and the fixed handle 1, meanwhile, the fastening of the handle and the sleeve is not influenced, and the height of the traction rod 5 is conveniently adjusted;
4. the cross section of the traction rod 5 is elliptical, so that the occupation of space in the diameter direction of the working sleeve 9 can be reduced, and larger surgical instruments can be accommodated;
5. the upper end of the traction rod 5 is provided with a negative pressure joint 4, so that doctors can independently suck tissue fluid in operation, and the operation is more convenient.
The terms "upper," "lower," "outboard," "inboard," and the like in the description and in the claims of the utility model and in the above figures, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a nerve traction protection device, includes pull rod (5) and handle, its characterized in that, the handle includes mutually articulated fixed handle (1) and locking handle (2), the one end of fixed handle (1) is provided with can reciprocate pull rod (5), locking handle (2) can with pull rod (5) locking, threaded connection has fastening bolt (7) on fixed handle (1), fastening bolt (7) with pull rod (5) set up perpendicularly, fastening bolt (7) are located locking handle (2) below, fastening bolt (7) can the butt with the supporting work sleeve pipe upper portion mouth of pipe of nerve traction protection device.
2. The nerve traction protection device according to claim 1, wherein the fixed handle (1) is of a Y-shaped structure, the fixed handle (1) comprises a fastening part (102), a locking part (103) and a driving part (101), the fastening bolt (7) is arranged on the fastening part (102), the locking part (103) is provided with a placement hole, the placement hole is in clearance fit with the traction rod (5), the locking part (103) is further provided with a locking hole, the axis of the locking hole is perpendicular to the axis of the placement hole, the locking hole is communicated with the placement hole, the locking handle (2) comprises a hinged end (202) and a driving end (201), the locking handle (2) and the fastening part (102) are hinged at the hinged end (202), the hinged end (202) is provided with a locking pin (3), the locking pin (3) is arranged in the locking hole, a gap is arranged between the locking pin (3) and the locking hole, the driving end (201) is connected with the driving part (101) through the driving part and is in a spring state (5) under the action of the traction rod (5).
3. The nerve traction protection device according to claim 2, wherein the elastic component comprises a guide rod (11) and a spring (6), the spring (6) is sleeved on the guide rod (11), and two ends of the spring (6) are respectively abutted with the driving part (101) and the driving end (201).
4. The nerve traction protection device according to claim 2, wherein the traction rod (5) is of a hollow structure, and a negative pressure joint (4) is arranged at the upper end of the traction rod (5).
5. Nerve traction protection device according to claim 4, characterized in that the traction rod (5) is oval in cross section.
6. The nerve traction protection device according to claim 5, wherein the lower end of the traction rod (5) is provided with a stripping hook (8), and the stripping hook (8) can be attached to the nerve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222874518.0U CN219629685U (en) | 2022-10-28 | 2022-10-28 | Nerve traction protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222874518.0U CN219629685U (en) | 2022-10-28 | 2022-10-28 | Nerve traction protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219629685U true CN219629685U (en) | 2023-09-05 |
Family
ID=87812243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222874518.0U Active CN219629685U (en) | 2022-10-28 | 2022-10-28 | Nerve traction protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219629685U (en) |
-
2022
- 2022-10-28 CN CN202222874518.0U patent/CN219629685U/en active Active
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