CN210811237U - Full-automatic accurate neurodura mater protection device - Google Patents
Full-automatic accurate neurodura mater protection device Download PDFInfo
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- CN210811237U CN210811237U CN201921101111.6U CN201921101111U CN210811237U CN 210811237 U CN210811237 U CN 210811237U CN 201921101111 U CN201921101111 U CN 201921101111U CN 210811237 U CN210811237 U CN 210811237U
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- extension rod
- connecting rod
- transverse
- vertical extension
- rod
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Abstract
The utility model relates to a full-automatic accurate neurodura mater protection device, which is provided with a fixing clamp, a connecting rod and a drag hook, wherein the connecting rod is connected with the fixing clamp and the drag hook; the connecting rod comprises a transverse extension rod, a vertical extension rod and a draw hook connecting rod; the transverse extension rod is parallel to the transverse shaft, and the length of the transverse extension rod in the direction of the transverse shaft is adjustable; the vertical extension rod is parallel to the vertical shaft and the length of the vertical extension rod in the vertical shaft direction is adjustable; the vertical extension rod is provided with a rotary drum connected with the draw hook; the drag hook connecting rod comprises a first drag hook connecting rod, a second drag hook connecting rod and a spring, and the spring is arranged between the first drag hook connecting rod and the second drag hook connecting rod. The utility model discloses can realize the full-automatic tractive to dura mater or nerve root in the operation of spinal way of escape to can accurate regulation tractive dynamics and angle, can also provide the cushioning effect when dura mater or nerve root are by the tractive, effectively avoid the damage that hard tractive caused dura mater or nerve root.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of medical equipment, specifically speaking relates to a full-automatic accurate neurodura mater protection device.
[ background of the invention ]
In posterior spinal surgery, the dura mater and nerve roots occlude the vertebral body or intervertebral disc to be manipulated, and therefore it is necessary to use a nerve retractor to pull it to the opposite side to expose the surgical field. The nerve retractor used clinically at present has a simple structure and consists of a handle and a retractor head. During the operation, the handle is held by an assistant to retract the dura mater or the nerve, and the fixed posture is kept all the time during the operation so as to maintain the exposure of the operation visual field. However, the long operation time easily causes fatigue of the assistant, and unstable traction may occur, and dura mater or nerve injury may be seriously caused. In addition, the dura mater or nerve roots are easily damaged by the long-time hard traction of the retractor.
Patent document CN204428088U, published japanese 20150701, discloses a low-incisura fixable type arc nerve retractor, which comprises a handle and a retractor portion, wherein the retractor portion is arranged at the front end of the handle and comprises a connecting rod and a pulling rod arranged at the front end of the connecting rod, the length of the pulling rod is adjustable, and the front end of the pulling rod is provided with a retractor; the traction rod is sleeved with a fixed plate, and the fixed plate is provided with a chute penetrating through the fixed plate. Has the advantages that: simple structure is fixed after drawing the assigned position with nerve, and the operator only need support the handle make it keep fixed position can (perhaps with the drag hook handle take on incision offside skin), need not again to its application of force, the drag hook body can not remove because of the human factor takes place yet, and operating position is accurate, safe and reliable.
Patent document CN207444979U, bulletin day 20180605 discloses a dura sac/nerve root drag hook, the drag hook includes the handle, the handle passes through the flexion with the drag hook head and is connected, meets the position at flexion and drag hook and sets up two baffles, two baffles are located the both sides of flexion, and are the symmetry. Has the advantages that: the retractor has the advantages that the nerve roots and the dural sac are fully shielded and protected, the positions of the retractor can be relatively fixed, and safe and abundant space is provided for the operation of discectomy or interbody fusion.
However, the device disclosed in the above patent documents is still used for spinal surgery, and it is still dependent on the handle of the physician's assistant, which is labor-consuming, and the retractor is also a rigid retractor. Therefore, a device suitable for posterior spinal surgery, which does not need manpower, is not easy to cause dura mater or nerve root injury and has high safety is needed.
[ summary of the invention ]
The utility model aims at providing a be applicable to spinal posterior surgery, need not with the help of the manpower, be difficult for causing dura mater or nerve root damage, the strong full-automatic accurate nerve dura mater protection device of security.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a full-automatic precise neurodura mater protection device is provided with a fixing clamp, a connecting rod and a draw hook, wherein the connecting rod is connected with the fixing clamp and the draw hook; the connecting rod comprises a transverse extension rod, a vertical extension rod and a draw hook connecting rod; the transverse extension rod is parallel to the transverse shaft, and the length of the transverse extension rod in the direction of the transverse shaft is adjustable; the vertical extension rod is parallel to the vertical shaft and the length of the vertical extension rod in the vertical shaft direction is adjustable; the vertical extension rod is provided with a rotary drum connected with the drag hook.
Preferably, the horizontal extension rod comprises a first horizontal extension rod and a second horizontal extension rod which are sleeved with each other, a first fixing hole is formed in the wall of the first horizontal extension rod, and a first screw is matched with the first fixing hole to lock and fix the first horizontal extension rod and the second horizontal extension rod.
Preferably, the vertical extension rod is composed of a first vertical extension rod and a second vertical extension rod which are sleeved with each other, a second fixing hole is formed in the wall of the first vertical extension rod, and a second screw is matched with the second fixing hole to lock and fix the first vertical extension rod and the second vertical extension rod.
Preferably, the rotating drum is sleeved on the outer wall of the second vertical extension rod, a third fixing hole is formed in the rotating drum, and a third screw is matched with the third fixing hole to lock and fix the second vertical extension rod and the rotating drum.
Preferably, the drag hook connecting rod comprises a first drag hook connecting rod, a second drag hook connecting rod and a spring, and the spring is arranged between the first drag hook connecting rod and the second drag hook connecting rod.
Preferably, the clamping surface of the fixing clamp is provided with anti-skid lines.
The utility model has the advantages that:
1. the method for fixing the hook device on the spinous process of the spine is provided for the first time by using the characteristic that the spinous process of the spine is more prominent, so that stable traction can be provided for the dura mater or the nerve root, manpower is liberated on one hand, automation is realized, on the other hand, the dura mater or the nerve injury possibly caused by manual traction can be avoided, and safety is remarkably improved;
2. the connecting rod of the full-automatic precise neurodura mater protection device of the utility model comprises a transverse extension rod, a vertical extension rod and a drag hook connecting rod, the length in the transverse axis and the vertical axis direction is adjustable, and the angle can be adjusted around the vertical axis, so that the drag hook can be adjusted to any position, and the precise adjustment of the traction force or angle of the dura mater or the nerve root is satisfied;
3. the utility model discloses a full-automatic accurate nerve dura mater protection device, the spring is arranged on the drag hook connecting rod, the damage to dura mater or nerve root caused by rigid traction can be effectively avoided;
4. the utility model discloses a full-automatic accurate neurodura mater protection device, the clamping face of its fixation clamp is great to be equipped with anti-skidding line, can prevent the slippage to the at utmost.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the full-automatic precise neurodura mater protection device of the present invention.
Fig. 2 is a schematic diagram of the use of the full-automatic precise neurodura mater protection device of the present invention.
Fig. 3 is a schematic structural diagram of another full-automatic precise neurodura mater protection device of the present invention.
[ detailed description ] embodiments
The invention will be further described with reference to the following examples and with reference to the accompanying drawings.
The reference numerals and components referred to in the drawings are as follows:
1. fixing clamp 2. connecting rod
3. Draw hook 21, horizontal extension rod
22. Vertical extension rod 23, drag hook connecting rod
211. A first transverse extension rod 212, a second transverse extension rod
213. First fixing hole 214 first screw
221. A first vertical extension bar 222, a second vertical extension bar
223. Second fixing hole 224, second screw
225. Rotating cylinder 226, third fixing hole
227. Third screw 4. spinous process
5. Dura mater
Example 1
Referring to fig. 1, fig. 1 is a schematic structural diagram of a full-automatic precise neurodura mater protection device of the present invention. The full-automatic accurate neurodura mater protection device is provided with a fixing clamp 1, a connecting rod 2 and a drag hook 3. The link 2 includes a transverse extension bar 21, a vertical extension bar 22 and a retractor link 23. The transverse extension rod 21 is parallel to the transverse shaft, one end of the transverse extension rod is fixed on the side wall of the fixing clamp 1, and the other end of the transverse extension rod is connected with one end of the vertical extension rod 22. The length of the transverse extension rod 21 in the transverse axis direction is adjustable, and specifically, the transverse extension rod comprises a first transverse extension rod 211 and a second transverse extension rod 212 which are sleeved with each other, a first fixing hole 213 is formed in the wall of the first transverse extension rod 211, and a first screw 214 is matched with the first fixing hole 213 to lock and fix the first transverse extension rod 211 and the second transverse extension rod 212. The vertical extension rod 22 is parallel to the vertical shaft, one end of the vertical extension rod is connected with the transverse extension rod 21, and the other end of the vertical extension rod is connected with the draw hook connecting rod 23. The length of the vertical extension rod 22 in the vertical axis direction is adjustable, and specifically, the vertical extension rod comprises a first vertical extension rod 221 and a second vertical extension rod 222 which are sleeved with each other, a second fixing hole 223 is formed on the wall of the first vertical extension rod 221, and a second screw 224 is matched with the second fixing hole 223 to lock and fix the first vertical extension rod 221 and the second vertical extension rod 222. The vertical extension rod 22 can also rotate around a vertical axis, specifically, the vertical extension rod 22 is provided with a rotating cylinder 225 at the end connected with the draw hook connecting rod 23, the rotating cylinder 225 is sleeved on the outer wall of the second vertical extension rod 222, the rotating cylinder 225 is provided with a third fixing hole 226, and a third screw 227 is matched with the third fixing hole 226 to tightly lock and fix the second vertical extension rod 222 and the rotating cylinder 225. One end of the drag hook connecting rod 23 is connected with the rotary drum 226 of the vertical extension rod 22, and the other end is connected with the drag hook 3. The draw hook 3 is in a hook shape.
Please refer to fig. 2, fig. 2 is a schematic diagram illustrating a fully automatic precise neurodura mater protection device according to the present invention. The utility model discloses a full-automatic accurate neurodura mater protection device's application method in art does: in the posterior spinal surgery, when the intervertebral disc or vertebral body and other structures need to be exposed, the fixing clamp 1 is firstly clamped on the adjacent spinous process 4, the first transverse extension rod 211, the second transverse extension rod 212, the first vertical extension rod 221, the second vertical extension rod 222 and the rotary drum 225 are adjusted, the dura mater 5 or nerve roots are pulled by the draw hook 3 to be pulled to a proper position, then the first transverse extension rod 211 and the second transverse extension rod 212 are fixed to be proper positions through the first screw 214, the first vertical extension rod 221 and the second vertical extension rod 222 are fixed to be proper positions through the second screw 224, and the draw hook 3 is fixed to be a proper angle through the rotary drum 225.
In this document, the "horizontal axis" and the "vertical axis" are axes defined based on a human body reference plane. The method for fixing the hook device on the spinous process of the spine has the advantages that the spinous process is used as a fixing reference, the method for fixing the hook device on the spinous process of the spine is firstly provided by the inventor of the application, so that stable traction can be provided for a dura mater or a nerve root, manpower is liberated on one hand, automation is realized, on the other hand, the dura mater or nerve injury possibly caused by manual traction can be avoided, and safety is remarkably improved. The fixing clamp 1 is used for fixing the whole device on the spinous process, and the clamping surface of the fixing clamp 1 is preferably large and provided with anti-slip threads to prevent slipping to the maximum extent. The function of the connecting rod 2 is to extend the draw hook 3 to a proper position, so that the draw hook 3 can draw the dura mater from the lateral side of the dura mater at a proper angle. The transverse extension rod 21 is used for adjusting the length in the direction of the transverse shaft, the vertical extension rod 22 is used for adjusting the length in the direction of the vertical shaft, the rotary drum 225 is used for adjusting the traction angle of the drag hook 3, and the design enables the traction force and angle of the drag hook 3 to be accurately adjusted. However, the structure of the connecting rod 2 is not limited to this embodiment, as long as it can ensure the effective connection between the fixing clip 1 and the drag hook 3, so that the drag hook 3 can effectively pull. The retractor 3 is used for drawing dura mater or nerve roots, the shape and angle design is not limited, any existing retractor shape or structure in the prior art is feasible, and the shape of the retractor in the prior art can be further improved, which is included in the protection scope of the application.
Example 2
Referring to fig. 3, fig. 3 is a schematic structural diagram of another fully automatic precise neurodura mater protection device of the present invention. The structure of the full-automatic precise neurodura mater protection device of the present embodiment is basically the same as that of the full-automatic precise neurodura mater protection device described in embodiment 1, and the difference is only that: the hook link 23 includes a first hook link 231, a second hook link 232, and a spring 233, and the spring 233 is disposed between the first hook link 231 and the second hook link 232.
In this embodiment, the spring 233 plays a cushioning effect, and when the full-automatic accurate neurodura mater protection device received and touched or when tissues such as backbone, dura mater were drawn, the spring 233 can resist the dura mater that the drag hook 3 was tractive or the traction that the nerve root received, effectively avoids the damage that hard traction caused.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.
Claims (6)
1. A full-automatic accurate neurodura mater protection device is characterized by being provided with a fixing clamp, a connecting rod and a draw hook, wherein the connecting rod is connected with the fixing clamp and the draw hook; the connecting rod comprises a transverse extension rod, a vertical extension rod and a draw hook connecting rod; the transverse extension rod is parallel to the transverse shaft, and the length of the transverse extension rod in the direction of the transverse shaft is adjustable; the vertical extension rod is parallel to the vertical shaft and the length of the vertical extension rod in the vertical shaft direction is adjustable; the vertical extension rod is provided with a rotary drum connected with the drag hook.
2. The full-automatic precise neurodura mater protective device according to claim 1, wherein the transverse extension rod is composed of a first transverse extension rod and a second transverse extension rod which are sleeved with each other, a first fixing hole is formed in a wall of the first transverse extension rod, and a first screw is matched with the first fixing hole to lock and fix the first transverse extension rod and the second transverse extension rod.
3. The full-automatic precise neurodura mater protective device according to claim 1, wherein the vertical extension rod is composed of a first vertical extension rod and a second vertical extension rod which are sleeved with each other, a second fixing hole is formed in a wall of the first vertical extension rod, and a second screw is matched with the second fixing hole to lock and fix the first vertical extension rod and the second vertical extension rod.
4. The full-automatic precise neurodura mater protective device according to claim 3, wherein the rotary drum is sleeved on an outer wall of the second vertical extension rod, a third fixing hole is formed in the rotary drum, and a third screw is matched with the third fixing hole to lock and fix the second vertical extension rod and the rotary drum.
5. The fully automatic precise neurodura protective device according to claim 1, wherein the retractor connecting rod comprises a first retractor connecting rod, a second retractor connecting rod and a spring, and the spring is disposed between the first retractor connecting rod and the second retractor connecting rod.
6. The fully automatic precise neurodura protective device according to claim 1, wherein the clamping surface of the fixing clip is provided with anti-slip lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921101111.6U CN210811237U (en) | 2019-07-15 | 2019-07-15 | Full-automatic accurate neurodura mater protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921101111.6U CN210811237U (en) | 2019-07-15 | 2019-07-15 | Full-automatic accurate neurodura mater protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210811237U true CN210811237U (en) | 2020-06-23 |
Family
ID=71265950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921101111.6U Expired - Fee Related CN210811237U (en) | 2019-07-15 | 2019-07-15 | Full-automatic accurate neurodura mater protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210811237U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244909A (en) * | 2020-10-28 | 2021-01-22 | 中国人民解放军联勤保障部队第九二〇医院 | Spinal nerve distraction device |
| WO2023009902A3 (en) * | 2021-07-28 | 2023-04-06 | Snj Patents, Llc | Nerve retractor tool |
-
2019
- 2019-07-15 CN CN201921101111.6U patent/CN210811237U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244909A (en) * | 2020-10-28 | 2021-01-22 | 中国人民解放军联勤保障部队第九二〇医院 | Spinal nerve distraction device |
| CN112244909B (en) * | 2020-10-28 | 2021-11-05 | 中国人民解放军联勤保障部队第九二〇医院 | Spinal nerve distraction device |
| WO2023009902A3 (en) * | 2021-07-28 | 2023-04-06 | Snj Patents, Llc | Nerve retractor tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20210715 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |