CN221242967U - Depth limiting device of under-scope trephine in spinal endoscope operation - Google Patents
Depth limiting device of under-scope trephine in spinal endoscope operation Download PDFInfo
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- CN221242967U CN221242967U CN202320685848.7U CN202320685848U CN221242967U CN 221242967 U CN221242967 U CN 221242967U CN 202320685848 U CN202320685848 U CN 202320685848U CN 221242967 U CN221242967 U CN 221242967U
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- under
- circular saw
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- hollow rod
- lens
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- 241000425571 Trepanes Species 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000002674 endoscopic surgery Methods 0.000 description 15
- 210000000988 bone and bone Anatomy 0.000 description 9
- 210000001519 tissue Anatomy 0.000 description 4
- 210000005036 nerve Anatomy 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001951 dura mater Anatomy 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses a depth limiting device of a circular saw under a lens in a spinal endoscope operation, which belongs to the technical field of medical instruments, and comprises a spinal endoscope and a connecting end, wherein the right end of the spinal endoscope is provided with the connecting end, and the depth limiting device further comprises: the utility model discloses a depth limiting mechanism for limiting depth of a circular saw under a lens in a spinal endoscope operation, which is connected to a connecting end, and comprises a threaded hollow rod, wherein the threaded hollow rod is arranged on the inner wall of the connecting end in a threaded manner, and the circular saw under the lens is arranged on the outer wall of the right end of the threaded hollow rod in a threaded manner, and the beneficial effects of the utility model are that: through setting up screw thread hollow rod, backing sheet and spacing piece to backbone endoscope tip, not only can adjust the position of circular saw under the mirror, can also adjust the distance between backing sheet and the spacing piece, after adjusting spacing piece position distance, can carry out spacingly to the travel distance of circular saw under the mirror, avoid circular saw under the mirror to remove the damage tissue deeply.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a depth limiting device of an under-the-lens trephine in spinal endoscopic surgery.
Background
The under-the-mirror circular saw in the spine endoscope operation is a common surgical instrument in the percutaneous spine operation, can effectively avoid or cut off the bone tissue blocking the catheter, has a visible working environment under the mirror which is particularly important for the circular saw operation process, can monitor the specific condition of an operation part in real time, is suitable for the endoscope to use, can clearly see the protruding nucleus pulposus, nerve roots, dura mater sacs and the proliferated bone tissue under the direct vision of the endoscope, can thoroughly remove the protruding nucleus pulposus and the proliferated bone tissue to relieve the pressure on the nerve roots, eliminates the pain caused by the pressure on the nerve roots, and has the advantages that the intervertebral foramen mirror system enters from the side of lumbar vertebrae, and utilizes the natural channel of the bone structure of a human body, so that the bone and the ligament are not required to be cut off, and the stable structure of the lumbar vertebrae of a patient is not damaged or destroyed.
In the surgical process, the under-the-lens trephine of the spinal endoscope often cannot adjust the depth of the cut bone pieces, often causes too shallow cutting, can not meet the requirements of bone defects, or cuts too deeply, and damages the opposite side.
Therefore, it is necessary to invent a depth limiting device for a sub-scope trephine in spinal endoscopic surgery.
Disclosure of utility model
The present utility model has been made in view of the above and/or problems occurring in the prior art of a depth limiting device for an under-the-lens trephine in spinal endoscopic surgery.
Therefore, the utility model aims to provide the depth limiting device of the under-the-lens trepan in the spine endoscope operation, by arranging the threaded hollow rod, the supporting piece and the limiting piece at the end part of the spine endoscope, the position of the under-lens trepan can be adjusted, the distance between the supporting piece and the limiting piece can also be adjusted, after the position distance of the limiting piece is adjusted, the moving distance of the under-lens trepan can be limited, the tissue is prevented from being damaged by the moving of the under-lens trepan too deeply, and the problems that the depth of a cut bone block cannot be adjusted, the cutting is too shallow, the requirement of bone defect cannot be met, or the cutting is too deep and the opposite side is damaged in the prior art can be solved.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
A depth limiting device for a sub-scope trepan in spinal endoscopic surgery, comprising: backbone endoscope and link, the right-hand member of backbone endoscope is provided with the link, still includes:
the depth limiting mechanism is used for limiting the depth of the under-the-lens trephine in the spinal endoscopic surgery and is connected to the connecting end.
As a preferable scheme of the depth limiting device of the under-the-lens trephine in the spinal endoscopic surgery, the utility model comprises the following steps: the depth limiting mechanism comprises a threaded hollow rod, the threaded hollow rod is arranged on the inner wall of the connecting end in a threaded mode, and the under-lens trepan is arranged on the outer wall of the right end of the threaded hollow rod in a threaded mode.
As a preferable scheme of the depth limiting device of the under-the-lens trephine in the spinal endoscopic surgery, the utility model comprises the following steps: the outer wall thread of the thread hollow rod is provided with a supporting piece, and the inner wall of the supporting piece is provided with a first threaded hole and a second threaded hole respectively.
As a preferable scheme of the depth limiting device of the under-the-lens trephine in the spinal endoscopic surgery, the utility model comprises the following steps: the first threaded rod is installed on the inner side of the first threaded hole in a threaded mode, and a first limiting piece for limiting the under-lens circular saw is installed at the right end of the first threaded rod.
As a preferable scheme of the depth limiting device of the under-the-lens trephine in the spinal endoscopic surgery, the utility model comprises the following steps: the second threaded hole is internally provided with a second threaded rod, and the right end of the second threaded rod is provided with a second limiting piece for limiting the under-lens circular saw.
As a preferable scheme of the depth limiting device of the under-the-lens trephine in the spinal endoscopic surgery, the utility model comprises the following steps: an eyepiece is arranged at the left end of the spinal endoscope.
As a preferable scheme of the depth limiting device of the under-the-lens trephine in the spinal endoscopic surgery, the utility model comprises the following steps: the inside of the right end of the under-mirror circular saw is provided with a circular saw, and the inner wall of the under-mirror circular saw is provided with a connecting hole.
Compared with the prior art:
through setting up screw thread hollow rod, backing sheet and spacing piece to backbone endoscope tip, not only can adjust the position of circular saw under the mirror, can also adjust the distance between backing sheet and the spacing piece, after adjusting spacing piece position distance, can carry out spacingly to the travel distance of circular saw under the mirror, avoid circular saw under the mirror to remove the damage tissue deeply.
Drawings
FIG. 1 is a block diagram of a depth limiting device of an under-the-scope trephine in spinal endoscopic surgery according to the present utility model;
FIG. 2 is a perspective view of the depth limiting mechanism of the depth limiting device of the under-the-scope trephine in spinal endoscopic surgery according to the present utility model;
FIG. 3 is a left side view of an under-the-lens trephine in a depth limiting device of the under-lens trephine in spinal endoscopic surgery of the present utility model;
FIG. 4 is a right side view of the depth limiting device of the present utility model in a depth limiting device of an under-the-scope trepan in spinal endoscopic surgery.
In the figure: the spine endoscope 1, the connecting end 11, the ocular 12, the depth limiting mechanism 2, the threaded hollow rod 21, the under-lens trephine 22, the connecting hole 221, the supporting piece 23, the first threaded rod 24, the first limiting piece 25, the second threaded rod 26, the second limiting piece 27, the first threaded hole 28 and the second threaded hole 281.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The utility model provides a depth limiting device of a circular saw under a lens in a spinal endoscope operation, referring to fig. 1-4, comprising a spinal endoscope 1 and a connecting end 11;
The right-hand member of backbone endoscope 1 is provided with link 11, and link 11 is used for connecting limit deep mechanism 2 and under-mirror trepan 22, still includes: the depth limiting mechanism 2 is used for limiting the depth of the under-the-lens circular saw 22 in the spine endoscope operation, the depth limiting mechanism 2 is connected to the connecting end 11, the position of the under-lens circular saw 22 can be adjusted by arranging the threaded hollow rod 21, the supporting piece 23 and the limiting piece at the end part of the spine endoscope, the distance between the supporting piece 23 and the limiting piece can be adjusted, after the distance of the position of the limiting piece is adjusted, the moving distance of the under-lens circular saw 22 can be limited, and the under-lens circular saw 22 is prevented from moving too deeply to damage tissues.
The depth limiting mechanism 2 comprises a threaded hollow rod 21, the threaded hollow rod 21 is arranged on the inner wall of the connecting end 11 in a threaded manner, the threaded hollow rod 21 is used for supporting the under-lens circular saw 22 and the supporting piece 23, the moving position of the under-lens circular saw 22 can be adjusted, the installation position of the threaded hollow rod 21 can be adjusted, the under-lens circular saw 22 is arranged on the outer wall of the right end of the threaded hollow rod 21 in a threaded manner, the supporting piece 23 is arranged on the outer wall of the threaded hollow rod 21 in a threaded manner, the supporting piece 23 is used for supporting the threaded rod I24 and the threaded rod II 26, the threaded hole I28 and the threaded hole II 281 are respectively arranged on the inner wall of the supporting piece 23, the threaded rod I24 is arranged on the inner side of the threaded hole I28 in a threaded manner, the threaded rod I24 not only can support the first limiting piece 25, but also can adjust the position of the first limiting piece 25 for limiting the under-lens circular saw 22, the distance between the first limiting piece 25 and the supporting piece 23 is arranged on the right end of the threaded rod I24, thereby limiting the moving distance of the under-lens circular saw 22, the threaded rod II 26 is arranged on the inner side of the threaded hole II 281 in a threaded manner, the threaded rod II 26 not only can support the installation of the limiting piece II 27, but also can adjust the position of the limiting piece II 27, the limiting piece II 27 for limiting the under-lens circular saw 22 is arranged at the right end of the threaded rod II 26, and by adjusting the distance between the limiting piece II 27 and the supporting piece 23, thereby carry out spacing to the scope under-sawing 22 travel distance, spacing piece one 25, spacing piece two 27 and the distance between the backing sheet 23 have decided scope under-sawing 22 movable distance position, avoid scope under-sawing 22 to remove the too deep damage backbone tissue, eyepiece 12 is installed to the left end of backbone endoscope 1, scope under-sawing 22 right-hand member internally mounted has the sawing, scope under-sawing 22 inner wall is provided with connecting hole 221, connecting hole 221 is used for being connected with screw thread hollow rod 21.
When the device is specifically used, the right end of the spine endoscope 1 is provided with the connecting end 11, the threaded hollow rod 21 is installed on the inner wall of the connecting end 11 in a threaded mode, the circular saw 22 is installed on the outer wall of the right end of the threaded hollow rod 21 in a threaded mode, the supporting plate 23 is installed on the outer wall of the threaded hollow rod 21 in a threaded mode, the first threaded hole 28 and the second threaded hole 281 are formed in the inner wall of the supporting plate 23 respectively, the first threaded rod 24 is installed on the right end of the first threaded rod 24, the first limiting plate 25 limiting the circular saw 22 is installed on the inner side of the threaded hole 281, the second threaded rod 26 is installed on the right end of the threaded rod 26, the second limiting plate 27 limiting the circular saw 22 is installed on the right end of the threaded rod, the circular saw 22 is installed on the inner wall of the left end of the circular saw 1, the connecting hole 221 is formed in the inner wall of the circular saw 22, the position of the circular saw 23 and the limiting plate are arranged on the end of the spine endoscope, the circular saw 23 can be adjusted through the threaded hollow rod 21, the position of the supporting plate 23 and the limiting plate, the distance between the supporting plate 23 and the limiting plate can be adjusted, after the distance between the circular saw 22 and the limiting plate is adjusted, the circular saw 22 can be prevented from being damaged by rotating the first limiting plate 22 and the first limiting plate 25, the circular saw 22 can be prevented from moving down the circular saw 22, and the first limiting plate 22 can be adjusted to the position of the circular saw 22, and the second limiting plate 22 can be prevented from being damaged by the position by the first limiting plate 25.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (1)
1. The utility model provides a limit deep device of circular saw under mirror in backbone endoscope operation, includes backbone endoscope (1) and link (11), the right-hand member of backbone endoscope (1) is provided with link (11), its characterized in that still includes:
A limit deep mechanism (2) for being directed at the mirror down trepan (22) limit deep in backbone endoscope operation, limit deep mechanism (2) connect at link (11), limit deep mechanism (2) include screw thread hollow rod (21), screw thread hollow rod (21) screw thread install at link (11) inner wall, mirror down trepan (22) screw thread install at screw thread hollow rod (21) right-hand member outer wall, screw thread hollow rod (21) outer wall screw thread installs supporting plate (23), screw hole one (28) and screw hole two (281) have been seted up respectively to supporting plate (23) inner wall, screw hole one (28) inboard screw thread installation first (24), screw hole two (26) are installed to screw hole two (281) inboard screw thread installation second (26), screw rod two (26) right-hand member are installed to mirror down trepan (22) spacing second (27), the left end of backbone endoscope (1) is installed eyepiece (12), screw hole one (24) are installed to screw hole one (24) inboard screw thread installation first (24) right-hand member, mirror down trepan (221) are installed to the inside of connecting end.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221242967U true CN221242967U (en) | 2024-07-02 |
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