CN217793225U - Surgical instrument for intraspinal structure hyperplasia and scar under endoscope - Google Patents
Surgical instrument for intraspinal structure hyperplasia and scar under endoscope Download PDFInfo
- Publication number
- CN217793225U CN217793225U CN202221660923.6U CN202221660923U CN217793225U CN 217793225 U CN217793225 U CN 217793225U CN 202221660923 U CN202221660923 U CN 202221660923U CN 217793225 U CN217793225 U CN 217793225U
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- Prior art keywords
- shearing
- handle
- hyperplasia
- blade part
- intraspinal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 206010020718 hyperplasia Diseases 0.000 title claims abstract description 36
- 231100000241 scar Toxicity 0.000 title claims abstract description 32
- 238000010008 shearing Methods 0.000 claims abstract description 90
- 210000001503 joint Anatomy 0.000 claims abstract description 15
- 230000037390 scarring Effects 0.000 claims 7
- 210000005036 nerve Anatomy 0.000 description 9
- 206010050296 Intervertebral disc protrusion Diseases 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 208000032544 Cicatrix Diseases 0.000 description 3
- 230000037387 scars Effects 0.000 description 3
- 210000001951 dura mater Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000034693 Laceration Diseases 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000036573 scar formation Effects 0.000 description 1
- 210000002489 tectorial membrane Anatomy 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
A surgical instrument for intraspinal structure hyperplasia and scar under endoscope belongs to the field of medical instruments. The handle rod on one side of the shearing handle is a guide rod, a guide ring sliding along the guide rod is arranged on the handle rod on the other side of the shearing handle, the lower ends of the pair of handle rods are respectively connected with the upper portion and the lower portion of the shearing mechanism, in the shearing mechanism, the shearing blade portion is arranged at the front end of the shearing mechanism farthest from the guide rod vertically, at least the center of the lower portion of the shearing mechanism is of a spoon-shaped structure, the periphery of the spoon-shaped structure is respectively provided with a butt joint guide portion with the upper portion and the lower portion matched with each other, and the width of the front end of the shearing mechanism is smaller than that of the rear end. The utility model discloses can improve the convenience of cutting off scar and hyperplasia structure, can make things convenient for the shearing of scar and hyperplasia structure, improve the operation success rate.
Description
Technical Field
The utility model relates to a surgical instruments of hyperplasia and scar, in particular to a surgical instruments for inner structure hyperplasia and scar under scope vertebral canal belongs to the medical instrument field.
Background
Lumbar disc herniation is one of the more common diseases, lumbar disc herniation often merges intraspinal structure hyperplasia and scar formation, especially lumbar vertebra postoperative patient is particularly abundant, exist in the nerve of vertebra tail end and wrap up the outer dural sac of central nervous system for tectorial membrane and adnexed ligament on the intervertebral disc, because the dural sac has the nerve protection effect, consequently, when lumbar disc herniation, intraspinal structure hyperplasia and scar operation, current shearing mechanism need take out many times and release the shearing focus, the efficiency when handling scar and hyperplasia structure is lower, and lead to nerve root and dural sac damage easily in the operation process, can not carry out operation such as lumbar disc incision well, if use devices such as radio frequency can lead to the intraductal adhesion of vertebra aggravation, the scar obviously hyperplasia.
How to reduce the damage of the intraspinal structure and improve the operation efficiency under an endoscope is a subject in the current lumbar disc herniation and the intraspinal structure hyperplasia and scar excision operation.
Disclosure of Invention
To when lumbar disc herniation, spinal canal inner structure hyperplasia and scar operation, nerve and dura mater bag can influence the operation field of vision, because of current nerve hook and nerve probe be pause nature structure because of exploring the hook, efficiency when handling scar and hyperplasia structure is lower, and the tractive in-process leads to nerve root and dura mater bag to damage easily, can not implement operation problems such as lumbar disc incision well, the utility model provides a surgical instruments for spinal canal inner structure hyperplasia and scar under the scope, its purpose improves the convenience of cutting off scar and hyperplasia structure, can make things convenient for the shearing of scar and hyperplasia structure, cuts through intervertebral disc laceration or intervertebral disc, reduces spinal canal inner adhesion machine and scar hyperplasia and takes place, through the linear incision of intervertebral disc, can assist the intervertebral disc to sew up, improves the operation success rate.
The technical scheme of the utility model is that: a surgical instrument for intraspinal hyperplasia and scar under endoscope comprises a pair of shearing handles, wherein handle rods connected to the pair of shearing handles are connected to a shearing mechanism through a hinged shaft, one handle rod of one side of the shearing handle is a guide rod, a guide ring sliding along the guide rod is arranged on the other handle rod of the other side of the shearing handle, the lower ends of the pair of handle rods are respectively connected with the upper part and the lower part of the shearing mechanism, in the shearing mechanism, a shearing blade part is arranged at the front end of the shearing mechanism which is farthest from the position of the guide rod vertically, at least the central part of the lower part of the shearing mechanism is of a spoon-shaped structure, the periphery of the spoon-shaped structure is respectively provided with a butt joint guide part with the upper part and the lower part matched with each other, and the width of the front end of the shearing mechanism is smaller than that of the rear end;
further, the butt joint guide part comprises a local taper structure, an upper step, a lower step part, an upper edge part and a lower edge part, which are respectively arranged at the upper part and the lower part, the local taper structure at the upper part and the lower part comprises an inner local taper structure or an outer local taper structure, the inner local taper structure is positioned in the outer local taper structure, the step parts are respectively positioned at the outer side of the inner local taper structure and the inner side of the outer local taper structure, after the upper edge part and the lower edge part are in butt joint and occluded, the step parts at the upper part and the lower part are superposed, the butt joint surface of the step is higher than and lower than the butt joint part of the edge part, and the outer side of the inner local taper structure is coincided with the inner side of the outer local taper structure;
further, the pair of handle rods is consistent with the inner diameter channel in direction, the lower ends of the pair of handle rods are respectively connected with the upper part and the lower part of the shearing mechanism in an inclined mode, and the angles formed by the guide rod direction, the upper part and the lower part and the upper part and the lower part which are arranged above the step plane are in the range smaller than 90 degrees;
further, the shearing blade part comprises an upper blade part and a lower blade part which are arranged at the upper part and the lower part, and the highest butt joint and occlusion end of the upper blade part and the lower blade part is lower than the connecting part of the guide rod and the lower part;
further, the shearing blade part at the front end of the shearing mechanism is of an arc structure, and the radius of the arc is smaller than or equal to the radius of the endoscope channel;
further, an inclined plane is arranged inside the shearing blade part and is smoothly connected with the internal spoon-shaped structure;
further, the most pointed ends of the upper blade part and the lower blade part are vertically aligned and meshed;
further, the most pointed ends of the upper blade part and the lower blade part are mutually provided with vertical parts, one sides of the vertical parts of the upper blade part and the lower blade part are arranged outside the inner side, and the peripheries of the vertical parts of the upper blade part and the lower blade part are overlapped and contacted with each other in a front-back mode during shearing.
Through setting up guide arm and guide ring in the said shearing handle, can open and shut the shearing handle, can make the front end with shearing blade between upper portion and lower part of the shearing mechanism carry on the shearing of focus such as lumbar intervertebral disc hyperplasia and scar, through designing the lower part central part of the shearing mechanism into the spoon-shaped structure, can slide redundant tissue such as lumbar intervertebral disc hyperplasia and scar after shearing into the spoon-shaped structure along the inboard front inclined plane, can carry on taking out after shearing the focus many times, overcome the existing pincerlike structure shearing mechanism can only carry on once shearing, the drawback that can not loosen; the lower ends of the pair of handle rods are respectively connected with the upper part and the lower part of the shearing mechanism in an inclined manner, so that the lower part is prevented from being too low to be abutted against the backbone skeleton of the human backbone or supported by the backbone skeleton, the downward shearing effect is prevented from being influenced, the nerve roots and the dural sac can be lifted by the upper part, and the hyperplasia and the scar in the spinal canal can be cut off; the utility model discloses can improve the convenience of cutting off scar and hyperplasia structure, can make things convenient for the shearing of scar and hyperplasia structure, open through intervertebral disc breach or intervertebral disc, reduce the intraductal adhesion machine of vertebral column and the scar hyperplasia takes place, through the linear incision of intervertebral disc, can assist the intervertebral disc to sew up, improve the operation success rate.
Drawings
Fig. 1 is a schematic side view of the present invention with the upper and lower portions open.
Fig. 2 is a schematic side view of the upper and lower portions of the present invention when opened.
Fig. 3 is a schematic bottom view.
Fig. 4 is a schematic top view of the lower part of the structure.
Fig. 5 is a schematic view of a cross-sectional structure of the cutting blade from the center thereof to the guide.
FIG. 6 is a schematic view of the upper and lower blade portions contacting each other in tandem at their vertical peripheries.
Description of the reference symbols: 10-a shearing mechanism, 11-a guide rod, 12-a guide ring, 13-an upper part, 14-a lower part, 15-a shearing blade part, 15 a-an upper blade part, 15 b-a lower blade part, 16-a spoon-shaped structure, 17 a-an outer local taper structure, 17 b-an inner local taper structure, 18 a-an upper step, 18 b-a lower step, 19-an inclined plane, 20 a-an upper vertical part and 20 b-a lower vertical part.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.
The technical scheme of the utility model is that: the utility model provides a surgical instruments for interior structure hyperplasia of vertebral canal and scar under scope, fig. 1 is the utility model discloses side structure schematic diagram when upper portion 13 and lower part 14 are opened, fig. 2 is the utility model discloses side structure schematic diagram when upper portion 13 and lower part 14 are opened, fig. 3 is the structure schematic diagram of looking up of upper portion 13, fig. 4 is the structure schematic diagram of looking down of lower part 14, surgical instruments includes a pair of shear handle, the handle pole of connecting on a pair of shear handle is connected to shearing mechanism 10 through the articulated shaft, its connected mode is the same with the connected mode between the handle of pressing from both sides tight or cutting device and the handle pole in the current scope, one side handle pole of shearing handle is guide arm 11, be provided with along the gliding guide ring 12 of guide arm 11 on another side handle pole of shear handle, the lower extreme of a pair of handle pole is connected with upper portion 13 and lower part 14 of shearing mechanism 10 respectively, in the shearing mechanism 10, shearing blade 15 sets up the shearing mechanism 10 front end far away from guide arm 11 positions perpendicularly, the lower part 14 center part of mechanism 10 is spoon form structure 15 at least, spoon form structure 15 outer periphery is provided with upper portion 13 and lower part 14 each other shearing guide portion that shears, the identical, the width of spoon form structure outer periphery is less than the width of the mechanism 10 rear end width of width behind width.
The shape of the guide rod 11 and the guide rod 12 can be polygonal, circular or elliptical. In this embodiment, a circular structure is used.
Fig. 5 is a schematic cross-sectional view of the guide rod 11 along the center of the shearing blade 15, the abutting guide includes local taper structures respectively disposed on the upper portion 13 and the lower portion 14, an upper step 18a and a lower step 18b, and an upper blade 15a and a lower blade, the local taper structures of the upper portion 13 and the lower portion 14 include an inner local taper structure 17b or an outer local taper structure 17a, the inner local taper structure 17b is located within the outer local taper structure 17a, the stepped portions are respectively located outside the inner local taper structure 17b and inside the outer local taper structure 17a, after the upper blade 15a and the lower blade are abutted and engaged, the stepped portions of the upper portion 13 and the lower portion 14 are overlapped, the abutting surface of the step is higher and lower than the abutting portion of the blade, and the outer side of the inner local taper structure 17b is engaged with the inner side of the outer local taper structure 17 a.
The inner partial taper structure 17b may be disposed inside the upper step 18a of the upper portion, or inside the lower step 18b, and the opposite outer partial taper structure 17a may be disposed outside the upper step 18a of the upper portion 13, or outside the lower step 18b of the lower portion 14, in this embodiment, the inner partial taper structure 17b is disposed inside the lower step 18a of the lower portion 14, and the outer partial taper structure 17a is disposed outside the upper step 18b of the upper portion 13.
The pair of handles are consistent with the direction of the inner diameter channel, the lower ends of the pair of handles are respectively connected with the upper part 13 and the lower part 14 of the shearing mechanism 10 in an inclined mode, and the angle formed between the direction of the guide rod 11 and the upper part 13 and the lower part 14 arranged above the step plane is larger than 30 degrees and smaller than 90 degrees. In this embodiment, the guide bar 11 is oriented at an angle of 45 degrees to the upper portion 13 and the lower portion 14 disposed above the step plane.
The shearing blade 15 includes an upper blade 15a and a lower blade 15b provided at the upper portion 13 and the lower portion 14, and a highest abutting engagement end of the upper blade 15a and the lower blade 15b is lower than a connecting portion between the guide bar 11 and the lower portion 14.
The shearing blade part 15 at the front end of the shearing mechanism 10 is of an arc structure, and the radius of the arc is smaller than or equal to that of the endoscope channel.
An inclined surface 19 is arranged inside the shearing blade part 15, and the inclined surface 19 is smoothly connected with the internal spoon-shaped structure 15.
The most pointed ends of the upper blade part 15a and the lower blade part 15b face each other to form a toothed cut, and may be: the uppermost ends of the upper blade 15a and the lower blade 15b are provided with vertical portions, and the vertical portions of the upper blade 15a and the lower blade 15b are outward on the inner side, and the peripheries of the vertical portions of the upper blade 15a and the lower blade 15b are overlapped with each other in the front-rear direction during shearing.
In this embodiment, the upper edge portion 15a and the lower edge portion 15b are both provided with vertical portions, the outer side of the upper edge portion 15a is an upper vertical portion 20a, and the inner side of the lower edge portion 15b is a lower vertical portion 20b, so that the outer periphery of the upper vertical portion 20a of the upper edge portion 15a and the inner periphery of the upper vertical portion 20a of the lower edge portion 15b contact each other during shearing to form the superimposed shearing of the edge portions, the superimposed height is less than 5mm, and the upper vertical portion 20a and the lower vertical portion 20b are sharp blades and can be respectively fixed to the inner side or the outer side of the upper edge portion 15a and the lower edge portion 15b by using micro screws.
Through arranging the guide rod 11 and the guide ring 12 in the shearing handle, the front end of a shearing blade part 15 between an upper part 13 and a lower part 14 of the shearing mechanism 10 can be sheared at focus parts such as lumbar disc hyperplasia, scars and the like by opening and closing the shearing handle, and through designing the central part of the lower part 14 of the shearing mechanism 10 into a spoon-shaped structure 15, redundant tissues such as the sheared lumbar disc hyperplasia, scars and the like can slide into the spoon-shaped structure 15 along an inclined surface 19 on the inner side of the shearing blade part 15, and after the shearing mechanism 10 is inserted, the focus parts can be sheared for multiple times and then taken out, thereby overcoming the defect that the existing pincerlike shearing device can only carry out one-time shearing and cannot be loosened; the butt joint guide parts with the upper part 13 and the lower part 14 mutually inosculated are respectively arranged at the periphery of the spoon-shaped structure 15, particularly the butt joint guide parts are set to be local taper structures, and the inner local taper structures 17b are positioned in the outer local taper structures 17a, so that focus parts can be successfully sheared after the shearing blade parts 15 are inosculated, the shearing effect of shearing is improved, the lower ends of a pair of handle rods are respectively connected with the upper part 13 and the lower part 14 of the shearing mechanism 10 in an inclined mode, the lower part 14 can be prevented from being too low to be abutted against the spine skeleton of a human body or supported by the spine skeleton, the downward shearing effect is influenced, nerve roots and a dural sac can be lifted by the upper part, and hyperplasia and scars in a vertebral canal can be cut; the utility model discloses can improve the convenience of cutting off scar and hyperplasia structure, can make things convenient for the shearing of scar and hyperplasia structure, open through intervertebral disc breach or intervertebral disc, reduce adhesion machine and scar hyperplasia in the canalis spinalis and take place, through the linear incision of intervertebral disc, can assist the intervertebral disc to sew up, improve the operation success rate.
Claims (8)
1. The utility model provides a surgical instruments that is used for intraspinal canal inner structure hyperplasia and scar under scope, includes a pair of shear handle, and the handle pole of connecting is connected to shearing mechanism, its characterized in that through the articulated shaft on a pair of shear handle: the handle rod on one side of the shearing handle is a guide rod, a guide ring sliding along the guide rod is arranged on the handle rod on the other side of the shearing handle, the lower ends of the pair of handle rods are respectively connected with the upper portion and the lower portion of the shearing mechanism, in the shearing mechanism, the shearing blade portion is arranged at the front end of the shearing mechanism farthest from the guide rod vertically, at least the center of the lower portion of the shearing mechanism is of a spoon-shaped structure, the periphery of the spoon-shaped structure is respectively provided with a butt joint guide portion with the upper portion and the lower portion matched with each other, and the width of the front end of the shearing mechanism is smaller than that of the rear end.
2. The surgical instrument for endoscopically expanding intraspinal structures and scarring as recited in claim 1, wherein: the butt joint guiding part comprises local taper structures arranged on the upper portion and the lower portion respectively, an upper step, a lower step, an upper edge and a lower edge, the local taper structures on the upper portion and the lower portion comprise an inner local taper structure or an outer local taper structure, the inner local taper structure is located in the outer local taper structure, the step is located on the inner side of the outer local taper structure and the outer local taper structure respectively, the upper edge and the lower edge are in butt joint and are meshed, the step on the upper portion and the lower portion are overlapped, the step butt joint face is higher than and lower than the butt joint portion of the edge, and the outer side of the inner local taper structure is matched with the inner side of the outer local taper structure.
3. The surgical instrument for intraendoscopic intraspinal hyperplasia and scarring according to claim 1, wherein: the pair of handle rods are consistent with the inner diameter channel in direction, the lower ends of the pair of handle rods are respectively connected with the upper part and the lower part of the shearing mechanism in an inclined mode, and the angles formed between the guide rod direction and the upper part and between the guide rod direction and the lower part and above the step plane are within the range of more than 30 degrees and less than 90 degrees.
4. The surgical instrument for endoscopically expanding intraspinal structures and scarring as recited in claim 1, wherein: the shearing blade part comprises an upper blade part and a lower blade part which are arranged on the upper part and the lower part, and the highest end of the butt joint occlusion of the upper blade part and the lower blade part is lower than the connecting part of the guide rod and the lower part.
5. The surgical instrument for endoscopically expanding intraspinal structures and scarring as recited in claim 1, wherein: the shearing blade part at the front end of the shearing mechanism is of an arc structure, and the radius of the arc is smaller than or equal to the radius of the endoscope channel.
6. The surgical instrument for endoscopically expanding intraspinal structures and scarring as recited in claim 1, wherein: the inside inclined plane that is equipped with of shearing cutting blade portion, inclined plane and inside spoon column structure smooth connection.
7. The surgical instrument for intraendoscopic intraspinal hyperplasia and scarring according to claim 2, wherein: the most pointed ends of the upper blade part and the lower blade part are vertically aligned and meshed.
8. The surgical instrument for intraendoscopic intraspinal hyperplasia and scarring according to claim 2, wherein: the most pointed ends of the upper blade part and the lower blade part are mutually provided with vertical parts, one sides of the vertical parts of the upper blade part and the lower blade part are arranged outside the inner side, and the peripheries of the vertical parts of the upper blade part and the lower blade part are overlapped and contacted with each other front and back during shearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221660923.6U CN217793225U (en) | 2022-06-30 | 2022-06-30 | Surgical instrument for intraspinal structure hyperplasia and scar under endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221660923.6U CN217793225U (en) | 2022-06-30 | 2022-06-30 | Surgical instrument for intraspinal structure hyperplasia and scar under endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217793225U true CN217793225U (en) | 2022-11-15 |
Family
ID=83961609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221660923.6U Expired - Fee Related CN217793225U (en) | 2022-06-30 | 2022-06-30 | Surgical instrument for intraspinal structure hyperplasia and scar under endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217793225U (en) |
-
2022
- 2022-06-30 CN CN202221660923.6U patent/CN217793225U/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: 20221115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |