CN210644131U - Under-mirror reamer - Google Patents
Under-mirror reamer Download PDFInfo
- Publication number
- CN210644131U CN210644131U CN201920568111.0U CN201920568111U CN210644131U CN 210644131 U CN210644131 U CN 210644131U CN 201920568111 U CN201920568111 U CN 201920568111U CN 210644131 U CN210644131 U CN 210644131U
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- Prior art keywords
- cutter
- mirror
- under
- intervertebral
- intervertebral foramen
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Abstract
The utility model belongs to the technical field of the lumbar intervertebral fusion under the wicresoft lumbar vertebrae intervertebral foramen mirror, especially, relate to a reamer under mirror, including intervertebral foramen mirror, the reverse working channel's that passes intervertebral foramen mirror cutter arbor in upper end, the upper end of cutter arbor install the handle, the lower extreme of cutter arbor install the cutter, the width of cutter be greater than the working channel's of intervertebral foramen mirror diameter. The utility model not only reduces the time for treating the intervertebral space and saves the operation time, but also can meet the requirements of treating the intervertebral space and the end plate like the open surgery; the treatment is completely finished under the direct vision of the intervertebral foramen mirror, so that the nerve injury possibly caused by blind treatment can be avoided, and the treatment is safer; in addition, because the intervertebral space is completely treated under the direct vision of the intervertebral foramen mirror, repeated operation under X-ray fluoroscopy is not needed, the X-ray radiation exposure of doctors and patients is reduced, and the operation time is also saved.
Description
Technical Field
The utility model belongs to the technical field of the lumbar intervertebral fusion under the wicresoft lumbar vertebrae intervertebral foramen mirror, especially, relate to a reamer under mirror.
Background
At present, with the development of an intervertebral foramen endoscope technology, the lumbar intervertebral fusion technology under a minimally invasive lumbar intervertebral foramen endoscope is gradually developed clinically; however, in the prior art, after the decompression of the vertebral canal or nerve roots under the vision of the intervertebral foramen, because the existing supporting instruments are imperfect, only the existing small reamer can be used for processing in the process of processing the intervertebral space and the end plate cartilage, the time is long, the intervertebral disc tissue and the cartilage end plate are difficult to be processed completely, and the speed and the degree of processing the intervertebral space similar to the open surgery are difficult to achieve; as a result, the operation time is increased, and the long-term intervertebral fusion is affected. If the pressure reduction is finished, the sleeve is replaced by a larger sleeve, the reamer is directly used for treatment similar to a larger reamer in an open operation, and the larger reamer cannot pass through a working channel of the intervertebral foramen endoscope, so that the treatment can not be carried out under the direct view of the endoscope, and only can be carried out blindly or under the X-ray perspective monitoring; the likelihood of causing nerve root or dural sac injury increases and the number of transillumination increases, increasing radiation exposure for the physician and patient, and also increasing procedure time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, provide a cutter arbor reverse working channel who passes the foraminiferous mirror with having the cutter, install the handle in the upper end of cutter arbor, then with the same entering sleeve pipe of cutter and hollow foraminiferous mirror, use the cutter to go to handle intervertebral space like open operation method under the foraminiferous mirror is completely visible, really satisfy the requirement of minimal access surgery surgical ization.
In order to solve the above problem, the utility model discloses the technical scheme who takes is:
the utility model provides a reamer under mirror, includes intervertebral foramen mirror, the reverse working channel's that passes intervertebral foramen mirror cutter arbor of upper end, the upper end of cutter arbor install the handle, the lower extreme of cutter arbor install the cutter, the width of cutter be greater than the working channel's of intervertebral foramen mirror diameter, the diameter of cutter arbor be less than the working channel's of intervertebral foramen mirror diameter, the handle be located the top of the upper end of intervertebral foramen mirror, the width of handle be greater than the working channel's of intervertebral foramen mirror diameter.
The handle is spirally arranged with the upper end of the cutter bar.
The handle is T-shaped or cylindrical.
The cutter is a reamer or a curette.
The curette is a square hollow bone curette.
The reamer is flat or cylindrical.
The cutter be bullet head shape, the front end of cutter be the toper, the size of the front end of cutter be less than the size of the middle part of cutter, the rear end of cutter be the toper, the size of the rear end of cutter be less than the size of the middle part of cutter.
The diameter of the cutter bar is 3 mm-3.2 mm, and the length of the cutter bar is 230 mm-235 mm.
The utility model discloses an gain effect is:
the utility model discloses in the use, the upper end that will have the cutter arbor of the diameter that the width is greater than the working channel of intervertebral foramen mirror working channel is reverse to pass the working channel of intervertebral foramen mirror, then installs the handle in the upper end of cutter arbor, then with the cutter together with hollow intervertebral foramen mirror entering sleeve pipe, use great reamer like open operation method to handle intervertebral space under intervertebral foramen mirror complete visualization, really satisfy the requirement of minimal access surgery ization. Therefore, the invention not only reduces the time for treating the intervertebral space and saves the operation time, but also can meet the requirements of treating the intervertebral space and the end plate like the open surgery; the treatment is completely finished under the direct vision of the intervertebral foramen mirror, so that the nerve injury possibly caused by blind treatment can be avoided, and the treatment is safer; in addition, because the intervertebral space is completely treated under the direct vision of the intervertebral foramen mirror, repeated operation under X-ray fluoroscopy is not needed, the X-ray radiation exposure of doctors and patients is reduced, and the operation time is also saved. The utility model can use a larger cutter to treat the intervertebral space, has higher efficiency, and more thorough treatment of the intervertebral space and the end plate, and is more beneficial to intervertebral fusion; meanwhile, all the whole operation is performed under the direct vision of the hollow intervertebral foramen lens, so that the condition of the optic nerve root and the dura mater sac can be straightened, the damage to the nerve root and the dura mater sac is avoided, and the safety degree is higher; all the whole operation process is carried out under the direct vision of the hollow intervertebral foramen mirror, which is completely similar to the operation method of open surgery, thereby avoiding the repeated fluoroscopy of X-rays and reducing the X-ray radiation exposure of doctors and patients; the head end and the tail end of the cutter are changed into a bullet-like shape, and the tip of the head end is slightly pointed, so that the cutter is convenient to be inserted into the intervertebral disc from the incision or the laceration of the annulus fibrosus; the sharp tip at the tail end can avoid the shielding of the under-scope visual field and light rays in the under-scope visual field of the intervertebral foramen endoscope, and the complete and clear operation visual field is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1, the numbering: 1 is an intervertebral foramen mirror, 2 is a cutter bar, 3 is a handle and 4 is a cutter.
The utility model relates to a reamer under mirror, including intervertebral foramen mirror 1, the reverse working channel's of passing intervertebral foramen mirror 1 cutter arbor 2 in upper end, the upper end of cutter arbor 2 install handle 3, the lower extreme of cutter arbor 2 install cutter 4, cutter 4's width be greater than intervertebral foramen mirror 1's working channel's diameter, cutter arbor 2's diameter be less than intervertebral foramen mirror 1's working channel's diameter, handle 3 be located the top of intervertebral foramen mirror 1's upper end, handle 3's width be greater than intervertebral foramen mirror 1's working channel's diameter.
The handle 3 is spirally arranged with the upper end of the cutter bar 2.
The handle 3 is T-shaped or cylindrical.
The cutter 4 is a reamer or a curette.
The curette is a square hollow bone curette.
The reamer is flat or cylindrical.
The cutter 4 is bullet-shaped, the front end of the cutter 4 is conical, the size of the front end of the cutter 4 is smaller than that of the middle of the cutter 4, the rear end of the cutter 4 is conical, and the size of the rear end of the cutter 4 is smaller than that of the middle of the cutter 4.
The diameter of the cutter bar 2 is 3 mm-3.2 mm, and the length of the cutter bar 2 is 230 mm-235 mm.
The intervertebral foramen endoscope is a spinal column endoscope, is a tubular structure equipped with illumination, imaging and water flushing, enters an intervertebral foramen from the side or the lateral back of a patient body (can be flat and can be inclined), operates in a vertebral canal or an intervertebral disc through a safe triangular area, can clearly see protruded nucleus pulposus, nerve roots, a dura mater sac and hyperplastic bone tissues under the direct vision of the endoscope, then removes the protruded tissues by using various graspers, removes sclerotin under the endoscope and repairs a damaged fibrous ring by using a radio frequency electrode. In performing intervertebral fusion, the treatment of the intervertebral space may be performed through an intervertebral foraminoscope.
The utility model discloses in the use, will have the width and be greater than the reverse working channel who passes intervertebral foramen mirror 1 in cutter arbor 2's of cutter 4 of the diameter of intervertebral foramen mirror 1 upper end, then install handle 3 in the upper end of cutter arbor 2, then with cutter 4 together with intervertebral foramen mirror 1 entering sleeve pipe, use great reamer like open operation method to go to handle the intervertebral disc clearance under intervertebral foramen mirror 1 is completely visible, really satisfy the requirement of minimal access surgery ization. Therefore, the invention not only reduces the time for treating the intervertebral space and saves the operation time, but also can meet the requirements of treating the intervertebral space and the end plate like the open surgery; the treatment is completely finished under the direct vision of the intervertebral foramen mirror, so that the nerve injury possibly caused by blind treatment can be avoided, and the treatment is safer; in addition, because the intervertebral space is completely treated under the direct vision of the intervertebral foramen mirror, repeated operation under X-ray fluoroscopy is not needed, the X-ray radiation exposure of doctors and patients is reduced, and the operation time is also saved.
The utility model can use a larger cutter to treat the intervertebral space, has higher efficiency, and more thorough treatment of the intervertebral space and the end plate, and is more beneficial to intervertebral fusion; meanwhile, all the whole operation is carried out under the direct vision of the intervertebral foramen mirror 1, the condition of the optic nerve root and the dura mater sac can be straightened, the damage of the nerve root and the dura mater sac is avoided, and the safety degree is higher; all the whole operation process is carried out under the direct vision of the intervertebral foramen mirror, which is completely similar to the operation method of open surgery, thereby avoiding the repeated X-ray fluoroscopy and reducing the X-ray radiation exposure of doctors and patients; the head end and the tail end of the cutter are changed into a bullet-like shape, and the tip of the head end is slightly pointed, so that the cutter is convenient to be inserted into the intervertebral disc from the incision or the laceration of the annulus fibrosus; the sharp tip at the tail end can avoid the shielding of the under-scope visual field and light rays in the under-scope visual field of the intervertebral foramen endoscope, and the complete and clear operation visual field is ensured.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. An under-mirror reamer, its characterized in that: including intervertebral foramen mirror, the reverse working channel's that passes intervertebral foramen mirror cutter arbor of upper end, the upper end of cutter arbor install the handle, the lower extreme of cutter arbor install the cutter, the width of cutter be greater than the working channel's of intervertebral foramen mirror diameter, the diameter of cutter arbor be less than the working channel's of intervertebral foramen mirror diameter, the handle be located the top of the upper end of intervertebral foramen mirror, the width of handle be greater than the diameter of the working channel of intervertebral foramen mirror.
2. The under-mirror reamer of claim 1, wherein: the handle is spirally arranged with the upper end of the cutter bar.
3. The under-mirror reamer of claim 1, wherein: the handle is T-shaped or cylindrical.
4. The under-mirror reamer of claim 1, wherein: the cutter is a reamer or a curette.
5. The under-mirror reamer of claim 4, wherein: the curette is a square hollow bone curette.
6. The under-mirror reamer of claim 5, wherein: the reamer is flat or cylindrical.
7. The under-mirror reamer of claim 6, wherein: the cutter be bullet head shape, the front end of cutter be the toper, the size of the front end of cutter be less than the size of the middle part of cutter, the rear end of cutter be the toper, the size of the rear end of cutter be less than the size of the middle part of cutter.
8. The under-mirror reamer of claim 6, wherein: the diameter of the cutter bar is 3 mm-3.2 mm, and the length of the cutter bar is 230 mm-235 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920568111.0U CN210644131U (en) | 2019-04-24 | 2019-04-24 | Under-mirror reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920568111.0U CN210644131U (en) | 2019-04-24 | 2019-04-24 | Under-mirror reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210644131U true CN210644131U (en) | 2020-06-02 |
Family
ID=70824932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920568111.0U Expired - Fee Related CN210644131U (en) | 2019-04-24 | 2019-04-24 | Under-mirror reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210644131U (en) |
-
2019
- 2019-04-24 CN CN201920568111.0U patent/CN210644131U/en not_active Expired - Fee Related
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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: 20200602 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |