CN210990563U - A direction trepan subassembly for backbone endoscope operation - Google Patents
A direction trepan subassembly for backbone endoscope operation Download PDFInfo
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- CN210990563U CN210990563U CN201921471431.0U CN201921471431U CN210990563U CN 210990563 U CN210990563 U CN 210990563U CN 201921471431 U CN201921471431 U CN 201921471431U CN 210990563 U CN210990563 U CN 210990563U
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- sleeve
- outer ring
- endoscope
- guide
- ring saw
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Abstract
The utility model provides a direction trepan subassembly for backbone scope operation, include: the front end of the endoscope sleeve is provided with a sleeve part cut; the rear end of the endoscope sleeve is provided with a sleeve marking line; the outer ring saw is a pipe fitting and is used for being sleeved on the endoscope sleeve pipe, and the outer ring saw is in clearance fit with the endoscope sleeve pipe; the end face of the front end of the outer ring saw piece is provided with a saw tooth part; the front end of the outer ring saw piece is provided with an outer ring saw part notch; the rear end of the outer ring saw piece is provided with an outer ring saw marking line. The utility model discloses can realize the precision in the operation of backbone scope, especially lumbar vertebrae through intervertebral foramen approach backbone scope back way operation, visual bone cutting, and then accomplish intervertebral foramen fashioned operation, for the operation of operation provides convenient space, owing to possessed visual cutting technique, realize the accuracy of operation on the efficient basis, carried out fine protection to important human body tissue such as dura mater and nerve root simultaneously to make the complicated problem simplistic, dangerous operation safety.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a direction trepan subassembly for backbone scope operation.
Background
Currently, in some endoscopic spinal procedures, a relatively spacious working channel is created for the procedure by removing a portion of bone. Especially in the most common discectomy of lumbar intervertebral disc herniation through intervertebral foramen approach, intervertebral foramen enlargement molding is often required, which is simply to remove the obstruction or the obstruction of the endoscope changing the angle by cutting or grinding the upper articular process of the part through progressive ring canula, bone rasp or under-mirror burr and the like, thereby completing more complicated operation. The existing intervertebral foramen enlarging and forming technology has the defects of a certain degree: if the traditional progressive ring squat is not visualized, a formed target area is unstable, and the risk of nerve and dura mater injury risk is increased along with the gradual increase of the diameter, although the method for fixing the axis of the ring squat by firstly positioning a bone needle through an endoscope or navigation exists at present, the method is still a non-visualization technology; the under-mirror grinding drill is safe, visible and accurate, but has the defects of low efficiency, high cost, additional arrangement of a grinding drill host and the like.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the present invention provides a guide trepan assembly for a spinal endoscopic procedure that is visible under an endoscope.
To achieve the foregoing and other related objectives, the present invention provides a guide trepan assembly for a spinal endoscopic procedure, comprising:
the endoscope comprises an endoscope sleeve, a front end of the endoscope sleeve is provided with an inclined sleeve part cut, and the sleeve part cut is arranged in an inclined way relative to the axial direction of the endoscope sleeve; a sleeve marking line is arranged at the rear end of the endoscope sleeve; the extension line of the sleeve marking line passes through the sleeve part cut;
the outer ring saw is a pipe fitting and is used for being sleeved on the endoscope sleeve pipe, the inner diameter of the outer ring saw is equal to the outer diameter of the endoscope sleeve pipe, and the outer ring saw is in clearance fit with the endoscope sleeve pipe; the end face of the front end of the outer ring saw piece is provided with a saw tooth part; the front end of the outer ring saw piece is provided with an inclined outer ring saw part cut which is inclined relative to the axial direction of the outer ring saw piece; the rear end of the outer ring saw piece is provided with an outer ring saw marking line; the extension line of the outer annular saw marking line passes through the outer annular saw part notch.
Preferably, the outer ring saw member is provided at a rear end thereof with a grip handle, and a plurality of notches are provided along a circumferential direction of an outer side surface of the grip handle.
Preferably, the inner side surface of the front end of the outer ring saw piece is provided with a scale part.
Further, the scale portion is arranged opposite to the outer trepan cut.
Preferably, the guide trephine assembly for spinal endoscopic surgery further comprises: a top rod; the diameter of the ejector rod is the same as the outer diameter of the endoscope sleeve, and a guide head used for being inserted into the endoscope sleeve is arranged at the front end of the ejector rod.
Further, the guide head is a conical structure with the size decreasing towards the front end.
Preferably, the rear end of the ejector rod is provided with a concave part.
Preferably, the guide trephine assembly for the spinal endoscopic surgery further comprises a handle, wherein the handle comprises two handles, and one ends of the two handles are elastically connected; and a concave part is arranged on the surface of each handle opposite to the other handle, and a protrusion is arranged on the concave part.
Furthermore, one end of each of the two handles is elastically connected through a bending part.
As mentioned above, the utility model discloses a direction trepan subassembly for backbone endoscopic surgery has following beneficial effect:
1) the utility model discloses a guide trepan assembly for spinal endoscope operation, an endoscope sleeve pipe is used for inserting an endoscope, and the endoscope can be extended into and pulled out of the endoscope sleeve pipe; because the front end of the endoscope sleeve is provided with the sleeve part cut, after the endoscope extends into the front end of the endoscope sleeve, a worker can clearly see human tissues in the spine through the endoscope extending into the sleeve part cut, and the worker can accurately position the position to be operated; because the incision of the sleeve part is obliquely arranged, the endoscope and the human tissue can be blocked by the tube wall at the front end of the endoscope sleeve, so that the risks that the dura mater and the outlet nerve root are easily damaged by the conventional full-ring saw teeth with larger diameters and the like are avoided, and the human tissue outside the endoscope sleeve can be prevented from being damaged; the extension line of the sleeve marking line passes through the sleeve part cut, so that even if the front part of the endoscope sleeve is shielded, a worker can still quickly judge the position of the sleeve part cut, a dangerous area is conveniently avoided, and human tissues are protected;
2) the outer ring saw piece is sleeved on the endoscope sleeve, and the outer ring saw piece is in clearance fit with the endoscope sleeve, so that the endoscope sleeve plays a role in guiding the outer ring saw piece, and the outer ring saw piece can move or rotate relative to the endoscope sleeve; the sawtooth part of the outer ring saw piece can cut off human tissues, the front end of the outer ring saw piece is provided with an outer ring saw part cut which is obliquely arranged, and a worker can see the human tissues in the posterior spine clearly through an endoscope at the outer ring saw part cut, so that the worker can accurately position the position needing to be operated; the extension line of the outer ring saw marking line passes through the outer ring saw part notch, so that even if the front part of the outer ring saw part is shielded, a worker can still quickly judge the position of the outer ring saw part notch, a dangerous area is conveniently avoided, and human tissues are protected;
3) the inner side surface of the front end of the outer trepan is provided with a scale part, so that the cutting depth under the endoscope can be seen, accurate cutting is performed according to a preoperative plan, and important human body tissues such as dura mater, nerves and the like are better protected;
4) the utility model discloses can realize the precision in the operation of backbone scope, especially lumbar vertebrae through intervertebral foramen approach backbone scope back way operation, visual bone cutting, and then accomplish intervertebral foramen fashioned operation, for the operation of operation provides convenient space, because the utility model discloses possessing visual cutting technique, realizing the accuracy of operation on the efficient basis, carried out fine protection to important human body tissue such as dura mater and nerve root simultaneously to make the complexity problem oversimplify, dangerous operation safety.
Drawings
Fig. 1 is a side view showing the structure of the front end of the mandril of the guide trephine assembly for spinal endoscopic surgery of the embodiment inserted into the endoscope sleeve.
FIG. 2 is a schematic structural view of the push rod and the endoscope sheath of the guide trephine assembly for spinal endoscopic surgery according to the present embodiment.
Fig. 3 is a schematic structural diagram of an endoscope sheath in the guide trepan assembly for spinal endoscopic surgery according to the embodiment.
Fig. 4 is a side view of the outer circular saw member of the guide circular saw assembly for spinal endoscopic surgery according to the embodiment.
Fig. 5 is a schematic structural view showing a handle of the guide trepan assembly for a spinal endoscopic surgery according to the embodiment.
Fig. 6 is a perspective view of an outer circular saw member of the guide circular saw assembly for use in an endoscopic spinal surgery according to the present embodiment.
Description of the reference numerals
100 endoscope sleeve
110 cannula portion cut
120 casing marking line
200 outer ring saw
210 saw tooth part
220 outer trepan incision
230 outer ring saw marking line
240 handle
241 notch
250 scale part
300 ejector pin
310 guiding head
320 recessed part
400 handle
410 handle
430 projection
440 a bent part
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", "distal", "proximal" and "a" used in the present specification are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and thus the present invention is considered to be within the scope of the present invention.
As shown in fig. 1 to 6, the guide trephine assembly for spinal endoscopic surgery of the present embodiment comprises:
an endoscope sleeve 100, wherein the front end of the endoscope sleeve 100 is provided with an inclined sleeve part cut 110, and the sleeve part cut 110 is arranged in an inclined way relative to the axial direction of the endoscope sleeve 100; a sleeve marking line 120 is arranged at the rear end of the endoscope sleeve 100; the extension line of the cannula mark line 120 passes through the cannula part cut 110;
the outer ring saw 200, the outer ring saw 200 is a pipe, the outer ring saw 200 is used for being sleeved on the endoscope sleeve 100, the inner diameter of the outer ring saw 200 is equal to the outer diameter of the endoscope sleeve 100, and the outer ring saw 200 is in clearance fit with the endoscope sleeve 100; the end face of the front end of the outer ring saw piece 200 is provided with a saw tooth part 210; the front end of the outer ring saw piece 200 is provided with an inclined outer ring saw cut 220, and the outer ring saw cut 220 is inclined relative to the axial direction of the outer ring saw piece 200; the rear end of the outer circular saw piece 200 is provided with an outer circular saw marking line 230; the extension line of the outer trepan marking line 230 passes through the outer trepan incision.
In the guide trepan assembly for the spinal endoscope operation, the endoscope sleeve 100 is used for inserting the endoscope, and the endoscope can come in and go out of the endoscope sleeve 100; because the front end of the endoscope sleeve 100 is provided with the sleeve part cut 110, after the endoscope extends into the front end of the endoscope sleeve 100, a worker can clearly see human tissues in the spine through the endoscope extending into the sleeve part cut 110, and the worker can accurately position a position to be operated; because the notch 110 of the sleeve part is obliquely arranged relative to the axial direction of the endoscope sleeve 100, the tube wall at the front end of the endoscope sleeve 100 can block the endoscope and the human tissue, thereby avoiding the risks that the existing full-circle saw teeth with larger diameters easily cause damage to the dura mater, the outlet nerve root and the like, and avoiding the damage to the human tissue; the extension line of the sleeve marking line 120 passes through the sleeve part cut 110, so that even if the front part of the endoscope sleeve is shielded, a worker can still quickly judge the position of the sleeve part cut 110, a dangerous area is conveniently avoided, and human tissues are protected;
the outer circular saw 200 is sleeved on the endoscope sleeve 100, and the outer circular saw 200 is in clearance fit with the endoscope sleeve 100, so that the endoscope sleeve 100 can guide the outer circular saw 200, and the outer circular saw 200 can move or rotate relative to the endoscope sleeve 100; the sawtooth part 210 of the outer circular saw piece 200 can cut off human tissues such as lower articular convex and the like, the front end of the outer circular saw piece 200 is provided with an outer circular saw cut 220 which is obliquely arranged, and a worker can see the human tissues in the posterior spinal column clearly through an endoscope at the outer circular saw cut 220, so that the worker can accurately position the position to be operated; the extension line of the outer circular saw marking line 230 passes through the outer circular saw cut 220, so that the worker can quickly judge the position of the outer circular saw cut 220, the danger area is conveniently avoided, and human tissues are protected.
The utility model discloses can realize the accurate positioning of operation approach in spinal endoscope operation, and realize visual operation, scope sleeve pipe 100 and outer loop saw piece 200 and be convenient for control, and be difficult for causing the damage to human tissue.
The utility model discloses an advantage that direction trepan subassembly compares with ultrasonic osteotome under the mirror and abrasive drilling lies in portably, do not have extra cost, and does not need complicated machine suit etc..
The cannula mark line 120 and the outer circular saw mark line 230 are laser printed markers that are distinguishable to the physician.
The outer ring saw 200 has a grip handle 240 at the rear end thereof, and a plurality of notches 241 are provided along the circumferential direction of the outer surface of the grip handle 240. The provision of the notch 241 increases the frictional force of the grip handle 240, that is, the rear end surface of the outer ring saw 200, to facilitate the worker to rotate the outer ring saw 200. The outer loop saw marking line 230 extends to a grip handle 240.
Be equipped with scale portion 250 on the medial surface of outer loop saw piece 200's front end, this structure makes the staff can obtain the position of outer loop saw piece 200 according to scale portion 250, ensures that the under-mirror cutting depth is visual to plan accurate cutting before the art according to, protect important human body tissues such as dura mater and nerve better simultaneously.
The gage 250 is positioned opposite the outer trepan cut 220. This configuration facilitates the endoscope to view the values on the scale portion 250.
A direction trepan subassembly for backbone endoscopic surgery still includes: a top bar 300; the diameter of the ejector rod 300 is the same as the outer diameter of the endoscope sheath 100, and the front end of the ejector rod 300 is provided with a guide head 310 for insertion into the endoscope sheath 100. After the guiding head 310 is inserted into the endoscope sheath 100, the ejector rod 300 can push against the endoscope sheath 100, and the worker can conveniently pull out the outer circular saw 200.
The guide head 310 is a tapered structure that decreases in size toward the front end. This configuration facilitates insertion of guide tip 310 into endoscope sheath 100.
The rear end of the jack 300 is provided with a recess 320. This structure is convenient for the staff to hold the rear end of the jack 300, preventing slipping.
The guide trepan assembly for the spinal endoscopic surgery further comprises a handle 400, wherein the handle 400 comprises two handles 410, and one ends of the two handles 410 are elastically connected; a surface of each handle 410 opposite the other handle 410 is provided with a recess 420, and the recess 420 is provided with a protrusion 430. By moving the two handles 410 of the handle 400 relative to each other, the two handles 410 are able to clamp the endoscope sheath 100 between the two recesses 420; the protrusions 430 can increase friction and facilitate gripping of the endoscope sheath 100.
One ends of the two handles 410 are elastically connected by the bending part 440. The structure is simple, and the control of the handle 400 by the worker is convenient.
To sum up, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. A guide trephine assembly for use in spinal endoscopic surgery, comprising:
the endoscope comprises an endoscope sleeve (100), wherein the front end of the endoscope sleeve (100) is provided with an inclined sleeve part cut (110), and the sleeve part cut (110) is arranged in an inclined way relative to the axial direction of the endoscope sleeve (100); a sleeve marking line (120) is arranged at the rear end of the endoscope sleeve (100); the extension line of the sleeve marking line (120) passes through the sleeve part cut (110); the outer ring saw piece (200) is a pipe fitting, the outer ring saw piece (200) is used for being sleeved on the endoscope sleeve (100), the inner diameter of the outer ring saw piece (200) is equal to the outer diameter of the endoscope sleeve (100), and the outer ring saw piece (200) is in clearance fit with the endoscope sleeve (100); the end face of the front end of the outer ring saw piece (200) is provided with a saw tooth part (210); the front end of the outer circular saw piece (200) is provided with an inclined outer circular saw cut (220), and the outer circular saw cut (220) is obliquely arranged relative to the axial direction of the outer circular saw piece (200); the rear end of the outer circular saw piece (200) is provided with an outer circular saw marking line (230); the extension line of the outer trepan marking line (230) passes through the outer trepan part cut.
2. The guide trephine assembly for use in spinal endoscopic surgery of claim 1, wherein: a holding handle (240) is arranged at the rear end of the outer ring saw piece (200), and a plurality of notches (241) are arranged along the circumferential direction of the outer side surface of the holding handle (240).
3. The guide trephine assembly for use in spinal endoscopic surgery of claim 1, wherein: the inner side surface of the front end of the outer ring saw piece (200) is provided with a scale part (250).
4. The guide trephine assembly for use in spinal endoscopic surgery of claim 3, wherein: the scale portion (250) is disposed opposite the outer trepan cut (220).
5. The guide trephine assembly for use in spinal endoscopic surgery of claim 1, wherein: further comprising: a top bar (300); the diameter of the ejector rod (300) is the same as the outer diameter of the endoscope sleeve (100), and a guide head (310) inserted into the endoscope sleeve (100) is arranged at the front end of the ejector rod (300).
6. The guide trephine assembly for use in spinal endoscopic surgery of claim 5, wherein: the guide head (310) is a tapered structure that decreases in size toward the front end.
7. The guide trephine assembly for use in spinal endoscopic surgery of claim 5, wherein: the rear end of the ejector rod (300) is provided with a concave part (320).
8. The guide trephine assembly for use in spinal endoscopic surgery of claim 1, wherein: the novel electric bicycle handle is characterized by further comprising a handle (400), wherein the handle (400) comprises two handles (410), and one ends of the two handles (410) are elastically connected; a concave part (420) is arranged on the surface of each handle (410) opposite to the other handle (410), and a protrusion (430) is arranged on the concave part (420).
9. The guide trephine assembly for use in spinal endoscopic surgery of claim 8, wherein: one end of each handle (410) is elastically connected through a bending part (440).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921471431.0U CN210990563U (en) | 2019-09-05 | 2019-09-05 | A direction trepan subassembly for backbone endoscope operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921471431.0U CN210990563U (en) | 2019-09-05 | 2019-09-05 | A direction trepan subassembly for backbone endoscope operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210990563U true CN210990563U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921471431.0U Active CN210990563U (en) | 2019-09-05 | 2019-09-05 | A direction trepan subassembly for backbone endoscope operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210990563U (en) |
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2019
- 2019-09-05 CN CN201921471431.0U patent/CN210990563U/en active Active
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