CN211883958U - Vertebral lamina forceps outside spinal endoscope - Google Patents

Abstract

An external vertebral plate forceps of a spinal endoscope relates to vertebral plate forceps. The fixed pincers handle top is provided with logical groove, and the front end is fixed with the tray on leading to the groove, activity pincers handle top stretches into logical groove and its intermediate position is articulated with fixed pincers handle, upper casing and lower casing are the semicircle pipe, and the two butt joint is the pipe form and adopts the sliding connection form, the lower casing rear end is fixed on the tray, the upper casing rear end is fixed with the movable block, drive the movable block when activity pincers handle swing back and forth and make upper casing slide around on the lower casing, install elastic support piece between activity pincers handle and the fixed pincers handle bottom, the lower casing front end has lower binding clip, lower binding clip tip is for having the hemispheroid oral area of obtuse angle of inclination, the edge is polished there is the blade, the scope perforation has been seted up to the intermediate position, upper casing front end has upper binding clip, upper binding clip head end has the interior sword that can interlock with lower binding clip. The operation is carried out outside the endoscope, the cutting edge is larger, the moving range is wider, and the operation efficiency is improved.

Description

Vertebral lamina forceps outside spinal endoscope

Technical Field

The utility model relates to a vertebral plate pincers, especially a backbone endoscope outer vertebral plate pincers belongs to the medical equipment field.

Background

Endoscopic discectomy, spinal decompression and intervertebral fusion require removal of a portion of the bone mass, such as the ligamentum flavum and the vertebral lamina and articular process. The prior art generally uses internal vertebral plate clamps, osteotomes and trephines as the primary tools, which have relatively small cutting edges and are limited by the scope of the work within the scope resulting in poor efficiency.

Therefore, a medical device which can be used outside an endoscope is very needed, on one hand, the operation of clearing is less easy to be affected by the endoscope, on the other hand, the cutting edge can be increased, the clearing amount of a single time is increased, and therefore the operation efficiency is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outer vertebra plate pincers of backbone scope to solve above-mentioned problem.

In order to achieve the above purpose, the utility model adopts the following technical proposal: a pair of external vertebral plate forceps for a spinal endoscope comprises a fixed forceps handle, a movable forceps handle, an elastic supporting piece, a moving block, a lower sleeve, an upper sleeve, a lower forceps head and an upper forceps head, wherein the top of the fixed forceps handle is provided with a through groove along the front-back direction, a supporting block is fixed at the upper front end of the through groove, the top of the movable forceps handle extends into the through groove, the middle position of the movable forceps handle is hinged with the corresponding position of the fixed forceps handle through a pin, the upper sleeve and the lower sleeve are both semi-circular tubes horizontally arranged in the front-back direction and are butted into a circular tube shape and adopt a sliding connection mode, the rear end of the lower sleeve is fixed on the supporting block, the moving block is fixed at the rear end of the upper sleeve, the moving block is movably connected with the top of the movable forceps handle, the moving block is driven to enable the upper sleeve to slide back and forth on the lower sleeve, the integrated lower binding clip that is provided with of lower casing front end, lower binding clip head end sets up to the hemispheroid oral area that has the obtuse angle of inclination, and its edge has polished the blade, and scope perforation has been seted up to its intermediate position, goes up casing front end an organic whole and is provided with the binding clip, it is provided with the interior sword that can interlock with lower binding clip to go up binding clip head end.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an apparatus for backbone endoscope is operated under and is clear away yellow ligament and vertebral plate sclerotin, for the mirror external operation, working range surpasss backbone endoscope diameter scope, and the blade is great, and range of motion is wider, and single clearance area is 5-6 times of traditional mirror lower pliers, improves operation efficiency.

Drawings

FIG. 1 is an isometric view of the overall structure of an external vertebral plate forceps of a spinal endoscope of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a front view structure diagram of the external vertebral plate forceps of the spinal endoscope of the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3;

fig. 5 is an enlarged view of the portion C of fig. 3.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

The first embodiment is as follows: as shown in figures 1-5, the utility model discloses a pair of spinal endoscope external vertebral plate forceps, which comprises a fixed forceps handle 1, a movable forceps handle 2, an elastic support member 4, a movable block 5, a lower casing 6, an upper casing 7, a lower forceps head 8 and an upper forceps head 9, wherein the top of the fixed forceps handle 1 is provided with a through groove 1-1 along the front and back direction, a support block 1-2 is fixed at the upper front end of the through groove 1-1, the top of the movable forceps handle 2 extends into the through groove 1-1, the middle position of the movable forceps handle 2 is hinged with the corresponding position of the fixed forceps handle 1 through a pin 3, the upper casing 7 and the lower casing 6 are both semi-circular tubes horizontally arranged along the front and are in a circular tube shape and adopt a sliding connection form, the rear end of the lower casing 6 is fixed on the support block 1-2, the rear end of the upper casing 7 is fixed with the movable block 5, the movable block 5 is movably connected with the top, when the movable clamp handle 2 swings back and forth, the movable block 5 is driven to enable the upper sleeve 7 to slide back and forth on the lower sleeve 6, the elastic supporting piece 4 is installed between the movable clamp handle 2 and the bottom of the fixed clamp handle 1, the front end of the lower sleeve 6 is integrally provided with the lower clamp head 8, the end part of the lower clamp head 8 is provided with a hemispherical opening part with an obtuse-angle inclination angle, the edge of the hemispherical opening part is polished with a cutting edge, the middle position of the hemispherical opening part is provided with an endoscope perforation 8-1, the front end of the upper sleeve 7 is integrally provided with the upper clamp head 9, and the end part of the upper clamp head 9 is provided with an.

The second embodiment is as follows: as shown in fig. 3 and 4, in this embodiment, a first specific embodiment is further described, a clamping head 5-1 protrudes from the bottom of the moving block 5, and a notch is formed in the top of the movable clamp handle 2 and is in inserted connection with the clamping head 5-1, so that the moving block 5 is movably connected with the top of the movable clamp handle 2.

The third concrete implementation mode: as shown in fig. 2, in this embodiment, a first specific embodiment is further described, sliding rails are disposed on two sides of the connecting end of the upper sleeve 7, and sliding grooves are disposed on two sides of the connecting end of the lower sleeve 6, so as to realize a sliding connection form between the upper sleeve 7 and the lower sleeve 6.

The fourth concrete implementation mode: as shown in fig. 3 and 5, in the present embodiment, the first embodiment is further explained, the obtuse angle inclination angle of the hemisphere mouth of the lower tong head 8 is ×, < a > is 110 ° or 130 °.

The fifth concrete implementation mode: as shown in fig. 1 and 3, in this embodiment, the first embodiment is further described, the elastic supporting member 4 is two spring steel sheets arranged in a V shape, outer ends of the two spring steel sheets are respectively fixedly connected with the inner sides of the bottoms of the fixed forceps handle 1 and the movable forceps handle 2, and inner ends of the two spring steel sheets are overlapped.

Referring to fig. 1-5, after installing the movable forceps handle 2 when the operation needs to be applied, the utility model enters the working area of the primarily processed vertebral canal along the working sleeve, and simultaneously, a spinal endoscope is placed between the upper sleeve 7 and the lower sleeve 6, and under the monitoring of the spinal endoscope, the movable forceps handle 2 is repeatedly and manually held towards the fixed forceps handle 1, so as to realize the repeated engagement of the lower forceps head 8 and the upper forceps head 9, thereby effectively biting and removing the yellow ligament and the bone which need to be cleaned, and the utility model is removed after observing a predetermined target, thereby carrying out the subsequent work, the utility model is an extrascope operation, the working range exceeds the diameter range of the spinal endoscope, the cutting edge is larger, the moving range is wider, the single cleaning area is 5-6 times of the traditional forceps under the scope, the yellow ligament and the bone can be cleaned more efficiently and in high quality, the operation time is saved by about 10 minutes, the structure is simple and the cleaning is, easy cleaning and disinfection and safer operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other forms of embodiment without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides an outer vertebral plate pincers of backbone endoscope mirror, includes fixed pincers handle (1), activity pincers handle (2), elastic support piece (4), movable block (5), lower casing (6), goes up sleeve pipe (7), binding clip (8) and last binding clip (9), its characterized in that: the top of the fixed clamp handle (1) is provided with a through groove (1-1) along the front-back direction, the front end of the through groove (1-1) is fixedly provided with a support block (1-2), the top of the movable clamp handle (2) extends into the through groove (1-1), the middle position of the movable clamp handle is hinged with the corresponding position of the fixed clamp handle (1) through a pin (3), the upper sleeve (7) and the lower sleeve (6) are both semi-circular tubes horizontally arranged in the front-back direction and are butted into a circular tube shape and adopt a sliding connection form, the rear end of the lower sleeve (6) is fixed on the support block (1-2), the rear end of the upper sleeve (7) is fixedly provided with a movable block (5), the movable block (5) is movably connected with the top of the movable clamp handle (2), and the movable block (5) is driven to enable the upper sleeve (7) to slide back and forth on the lower sleeve (6) when the, an elastic support member (4) is arranged between the bottom of the movable forceps handle (2) and the bottom of the fixed forceps handle (1), a lower forceps head (8) is integrally arranged at the front end of the lower sleeve (6), the end part of the lower forceps head (8) is arranged to be a hemispherical opening with an obtuse angle of inclination, a cutting edge is polished at the edge of the lower forceps head, an endoscope perforation (8-1) is arranged at the middle position of the lower forceps head, an upper forceps head (9) is integrally arranged at the front end of the upper sleeve (7), and an inner blade capable of being occluded with the lower forceps head (8) is arranged at the end part of the upper forceps.

2. The exovertebraleplate forceps for spinal endoscopy of claim 1, wherein: a clamping head (5-1) is protruded from the bottom of the moving block (5), a notch is formed in the top of the movable clamp handle (2) and is in inserting fit with the clamping head (5-1), and the moving block (5) is movably connected with the top of the movable clamp handle (2).

3. The exovertebraleplate forceps for spinal endoscopy of claim 1, wherein: the sliding rail is arranged on two sides of the connecting end of the upper sleeve (7), the sliding groove is arranged on two sides of the connecting end of the lower sleeve (6), and the sliding connection form of the upper sleeve (7) and the lower sleeve (6) is achieved.

4. The exovertebraleplate forceps for spinal endoscopy of claim 1, wherein: the obtuse angle inclination angle of the hemispherical opening part of the lower tong head (8) is < a, and the < a is 110 degrees or 130 degrees.

5. The exovertebraleplate forceps for spinal endoscopy of claim 1, wherein: the elastic supporting piece (4) is two spring steel sheets arranged in a V shape, the outer ends of the two spring steel sheets are fixedly connected with the inner sides of the bottoms of the fixed clamp handle (1) and the movable clamp handle (2) respectively, and the inner ends of the two spring steel sheets are in lap joint.

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