CN221229366U - Spinal minimally invasive unilateral double-channel endoscopic fixable half-tube nerve protection sheath - Google Patents
Spinal minimally invasive unilateral double-channel endoscopic fixable half-tube nerve protection sheath Download PDFInfo
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- CN221229366U CN221229366U CN202322461164.1U CN202322461164U CN221229366U CN 221229366 U CN221229366 U CN 221229366U CN 202322461164 U CN202322461164 U CN 202322461164U CN 221229366 U CN221229366 U CN 221229366U
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- plate
- fixable
- minimally invasive
- pulling
- fixedly arranged
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- 210000005036 nerve Anatomy 0.000 title claims abstract description 33
- 230000001681 protective effect Effects 0.000 abstract description 11
- 230000004927 fusion Effects 0.000 abstract description 5
- 238000002513 implantation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000002674 endoscopic surgery Methods 0.000 description 3
- 208000028389 Nerve injury Diseases 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000008764 nerve damage Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 210000000273 spinal nerve root Anatomy 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model relates to the technical field of medical equipment, in particular to a spine minimally invasive unilateral double-channel endoscopic fixable half-tube nerve protection sheath, which comprises: the device comprises a pulling plate, a positioning piece fixedly arranged at the far end of the pulling plate, a pulling handle fixedly arranged at the near end of the pulling plate and a limiting hook fixedly arranged at the near end of the pulling handle; wherein, the setting element includes: a measuring part fixedly arranged at the far end of the pulling plate, and a positioning part fixedly arranged at the far end of the measuring part; the wall surface of the measuring part far away from the pull handle is provided with a plurality of scale marks; the pulling plate of the protective sheath is an arc-shaped half tube, so that nerves in the spinal column are better protected; and moreover, by the aid of the positioning piece, the scale marks on the positioning piece enable medical staff to accurately and clearly know the depth of the protective sheath inserted into the intervertebral space, and assist in measuring the height of the intervertebral space, so that the implantation operation of a follow-up fusion device is facilitated.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a spinal minimally invasive unilateral double-channel endoscopic fixable half-tube nerve protection sheath.
Background
The minimally invasive single-sided double-channel endoscopic surgery of the spine is a minimally invasive surgery method for treating spine diseases, and can be used for treating various diseases of lumbar vertebra, thoracic vertebra, cervical vertebra and the like. The technique can make up the defects of low working efficiency, small visual field range and less indication of a single-channel endoscope and the defects of more blood loss, large wound surface and long postoperative recovery time of an open technique by establishing two channels, namely an observation channel and an instrument operation channel. The tools used in minimally invasive single-sided two-channel endoscopy of the spine are similar to, but not identical to, open surgery. At present, a semi-tubular nerve protection sheath used in a hospital is generally of an integrated metal structure, a doctor hooks the protection sheath by hand to stir nerves, and the protection sheath is large in gap and long-time in use, so that the doctor is easy to fatigue by hands, the protection sheath slides and even falls off from hands, and the nerves are possibly damaged. Especially in the process of decompression and fusion of intervertebral space, the traditional nerve root drag hook is short in rivet point, and the operation range is narrow under the double channels, so that the nerve drag hook is easy to shift in the decompression operation process, and the nerve injury risk is easy to occur.
The minimally invasive spine unilateral double-channel endoscopic surgery needs to use a fixable half-tube nerve protection sheath and other instruments, and the spinal cord and nerve roots in the spinal canal are dialed to one side through the fixable protection sheath for protection, so that nerve damage caused by fatigue displacement due to narrow operation space and long-time manual holding can be prevented when spine surgery is performed, and the fixable half-tube nerve protection sheath under the unilateral double-channel endoscopic surgery does not exist at present.
Thus, there is a need for a fixable semi-tubular nerve protection sheath.
Disclosure of utility model
The utility model aims at overcoming the defects in the prior art, and provides a spinal minimally invasive unilateral double-channel endoscopic fixable half-tube nerve protection sheath.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a can fix half-tube nerve protection sheath under backbone wicresoft unilateral binary channels scope, includes: the device comprises a pulling plate, a positioning piece fixedly arranged at the far end of the pulling plate, a pulling handle fixedly arranged at the near end of the pulling plate and a limit hook fixedly arranged at the near end of the pulling handle;
wherein, the setting element includes: a measuring part fixedly arranged at the far end of the pulling plate and a positioning part fixedly arranged at the far end of the measuring part; the wall surface of the measuring part, which is far away from the pull handle, is provided with a plurality of scale marks.
Preferably, the positioning piece, the pull plate, the pull handle and the limit hook are of an integrated structure.
Preferably, the pull plate is of a plate-shaped structure, the width of the pull plate is 10-20 mm, and the length of the pull plate is 30-40 mm.
Preferably, the length of the locating piece is 6 mm-8 mm, and the width of the locating piece is 4 mm-6 mm.
Preferably, the proximal end of the pulling plate is fixedly connected with the distal end of the pulling handle through a first connecting portion, the first connecting portion is of an arc-shaped plate-shaped structure, and the pulling plate is perpendicular to the pulling handle.
Preferably, the length of the pull handle is 60-80 mm, the width of the pull handle is 10-20 mm, and the width of the pull handle is equal to the width of the pull plate.
Preferably, the proximal end of the pull handle is fixedly connected with the distal end of the limit hook through a second connecting portion, the second connecting portion is of an arc-shaped plate-shaped structure, and at least a part of the limit hook is arranged in parallel with the pull handle.
Preferably, the limit hook includes: a hand-held part fixedly arranged at the proximal end of the pull handle and a limit part fixedly arranged at the distal end of the hand-held part; the handheld portion is of an arc-shaped plate-shaped structure, the limiting portion is of a plate-shaped structure, the limiting portion is semicircular, and the limiting portion and the pull handle are arranged in parallel.
Compared with the prior art, the utility model has the following technical effects:
The pulling plate of the protective sheath is an arc-shaped half tube, so that the contact surface of the pulling plate and the nerve is increased, the nerve in the spinal column is better protected, and the nerve is prevented from being damaged when being pulled aside; the positioning piece is arranged on the protective sheath, and the scale marks on the positioning piece enable medical staff to accurately and clearly know the depth of the protective sheath inserted into the intervertebral space, assist in measuring the height of the intervertebral space, facilitate the implantation operation of a subsequent fusion device and improve the precision of minimally invasive spinal surgery.
Drawings
FIG. 1 is a schematic view of the basic structure of a protective sheath according to an embodiment of the present utility model;
FIG. 2 is a front view of a protective sheath according to an embodiment of the present utility model;
FIG. 3 is an enlarged view at C in FIG. 2;
Reference numerals in the drawings include: 1. pulling a plate; 11. a first connection portion; 2. a positioning piece; 21. a measuring section; 211. scale marks; 22. a positioning part; 3. a pull handle; 31. a second connecting portion; 4. a limit hook; 41. a hand-held part; 42. and a limiting part.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Examples
"Proximal" in the present application means the end that is closer to the operator, or the end that is farther from the patient; "distal" in the present application means the end that is distal to the operator, or the end that is proximal to the patient.
The term "length" in the present application means the distance from the proximal end to the distal end of a plate-like structure, and the term "width" in the present application means the distance between both end surfaces of a plate-like structure in a direction perpendicular to the direction of the "length" thereof.
As shown in fig. 1-3, the present embodiment provides a spinal minimally invasive unilateral dual-channel endoscopic fixable half-tube nerve protection sheath, comprising: the pull plate comprises a pull plate 1, a positioning piece 2 fixedly arranged at the distal end of the pull plate 1, a pull handle 3 fixedly arranged at the proximal end of the pull plate 1 and a limit hook 4 fixedly arranged at the proximal end of the pull handle 3; the positioning piece 2, the pull plate 1, the pull handle 3 and the limit hook 4 are of an integrated structure;
The pull plate 1 is of a plate-shaped structure, the width of the pull plate 1 is 10 mm-20 mm, and the length of the pull plate 1 is 30 mm-40 mm; the proximal end of the pulling plate 1 is fixedly connected with the distal end of the pulling handle 3 through a first connecting part 11, the first connecting part 11 is of an arc-shaped platy structure, and the pulling plate 1 and the pulling handle 3 are vertically arranged; the length of the pull handle 3 is 60-80 mm, the width of the pull handle 3 is 10-20 mm, and the width of the pull handle 3 is equal to the width of the pull plate 1; the proximal end of the pull handle 3 is fixedly connected with the distal end of the limit hook 4 through a second connecting part 31, and the second connecting part 31 is of an arc-shaped platy structure; the limit hook 4 includes: a holding portion 41 fixedly provided at a proximal end of the pull handle 3, and a stopper portion 42 fixedly provided at a distal end of the holding portion 41; at least one part of the limiting hook 4 is arranged in parallel with the pull handle 3; the hand-held part 41 is of an arc-shaped plate-shaped structure, the limit part 42 is of a plate-shaped structure, the limit part 42 is semicircular, and the limit part 42 and the pull handle 3 are arranged in parallel; the positioning member 2 includes: a measuring section 21 fixedly provided at a distal end of the pulling plate 1, and a positioning section 22 fixedly provided at a distal end of the measuring section 21; a plurality of scale marks 211 are arranged on the wall surface of the measuring part 21 far away from the pull handle 3; the length of the positioning piece 2 is 6 mm-8 mm, and the width of the positioning piece 2 is 4 mm-6 mm.
When in use, medical staff attaches the finger surface to the handheld part 41, inserts the positioning part 22 below the pulling plate 1 into the fibrous ring in the spine, so that the pulling plate 1 blocks nerve roots, and other instruments can not influence the nerve roots during subsequent operation, after fixation, the medical staff implants the interbody fusion cage filled with bones into corresponding intervertebral spaces along the pulling plate 1, and then the protective sheath can be pulled out for subsequent operation.
In summary, the pulling plate of the protective sheath is an arc-shaped half tube, so that the contact surface between the pulling plate and the nerve is increased, the nerve in the spinal column is better protected, and the nerve is prevented from being damaged when the nerve is pulled to one side; the positioning piece is arranged on the protective sheath, and the scale marks on the positioning piece enable medical staff to accurately and clearly know the depth of the protective sheath inserted into the intervertebral space, assist in measuring the height of the intervertebral space, facilitate the implantation operation of a subsequent fusion device and improve the precision of minimally invasive spinal surgery.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (8)
1. A spinal minimally invasive unilateral double-channel endoscopic fixable half-tube nerve protection sheath, comprising: the device comprises a pull plate (1), a positioning piece (2) fixedly arranged at the far end of the pull plate (1), a pull handle (3) fixedly arranged at the near end of the pull plate (1), and a limit hook (4) fixedly arranged at the near end of the pull handle (3);
Wherein the positioning member (2) comprises: a measuring section (21) fixedly provided at the distal end of the pulling plate (1), and a positioning section (22) fixedly provided at the distal end of the measuring section (21); the wall surface of the measuring part (21) far away from the pull handle (3) is provided with a plurality of scale marks (211).
2. The spinal minimally invasive unilateral dual-channel endoscopic fixable half-tube nerve protection sheath of claim 1, wherein the positioning member (2), the pulling plate (1), the pulling handle (3) and the limiting hook (4) are integrally formed.
3. The spinal minimally invasive unilateral dual-channel endoscopic fixable half-tube nerve protection sheath of claim 1, wherein the pulling plate (1) has a plate-shaped structure, the width of the pulling plate (1) is 10 mm-20 mm, and the length of the pulling plate (1) is 30 mm-40 mm.
4. The spinal minimally invasive unilateral dual-channel endoscopic fixable half-tube nerve protection sheath of claim 1, wherein the length of the positioning piece (2) is 6 mm-8 mm, and the width of the positioning piece (2) is 4 mm-6 mm.
5. The spinal minimally invasive unilateral dual-channel endoscopic fixable half-tube nerve protection sheath according to claim 1, wherein the proximal end of the pulling plate (1) is fixedly connected with the distal end of the pulling handle (3) through a first connecting portion (11), the first connecting portion (11) is of an arc-shaped plate-shaped structure, and the pulling plate (1) is vertically arranged with the pulling handle (3).
6. The spinal minimally invasive unilateral dual-channel endoscopic fixable half-tube nerve protection sheath according to claim 1, wherein the length of the pull handle (3) is 60-80 mm, the width of the pull handle (3) is 10-20 mm, and the width of the pull handle (3) is equal to the width of the pull plate (1).
7. The spinal minimally invasive unilateral dual-channel endoscopic fixable half-tube nerve protection sheath according to claim 1, wherein the proximal end of the pull handle (3) is fixedly connected with the distal end of the limit hook (4) through a second connecting portion (31), the second connecting portion (31) is of an arc-shaped plate-shaped structure, and at least a part of the limit hook (4) is arranged in parallel with the pull handle (3).
8. The spinal minimally invasive unilateral dual-channel endoscopic fixable half-tube nerve protection sheath of claim 1, wherein the limit hook (4) comprises: a hand-held part (41) fixedly arranged at the proximal end of the pull handle (3), and a limit part (42) fixedly arranged at the distal end of the hand-held part (41); the handheld part (41) is of an arc-shaped plate-shaped structure, the limiting part (42) is of a plate-shaped structure, the limiting part (42) is semicircular, and the limiting part (42) and the pull handle (3) are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322461164.1U CN221229366U (en) | 2023-09-11 | 2023-09-11 | Spinal minimally invasive unilateral double-channel endoscopic fixable half-tube nerve protection sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322461164.1U CN221229366U (en) | 2023-09-11 | 2023-09-11 | Spinal minimally invasive unilateral double-channel endoscopic fixable half-tube nerve protection sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221229366U true CN221229366U (en) | 2024-06-28 |
Family
ID=91599755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322461164.1U Active CN221229366U (en) | 2023-09-11 | 2023-09-11 | Spinal minimally invasive unilateral double-channel endoscopic fixable half-tube nerve protection sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221229366U (en) |
-
2023
- 2023-09-11 CN CN202322461164.1U patent/CN221229366U/en active Active
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