CN211243574U

CN211243574U - Orthopedics double-joint bone rongeur

Info

Publication number: CN211243574U
Application number: CN201921307652.4U
Authority: CN
Inventors: 张建立
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-08-14
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses an orthopedics disarticular bone rongeur, the one end of linking bridge articulates there is the installation pole, and the inboard one end of keeping away from the third articulated shaft of two sets of installation poles is articulated each other through first articulated shaft, the installation pole is articulated each other through the second articulated shaft with the linking bridge, the one end that the third articulated shaft was kept away from to the installation pole is installed and is cut the head, and the inboard inner of cut the head is provided with semicircular groove, semicircular groove's inboard is provided with the sawtooth, the linking bridge is kept away from the one end of second articulated shaft and is installed the slide bar. The utility model discloses an inside slidable slide bar that is provided with of handle cuts, through the fixed orifices that sets up on the slide bar and the cooperation of bolt, can adjust the distance between the non-slip raised and the second articulated shaft freely, also changed the first mutual acting force that props between spring and the second and prop the spring when changing the distance, the doctor of being convenient for selects the suitable length of slide bar and cuts off the used power of spinous process.

Description

Orthopedics double-joint bone rongeur

Technical Field

The utility model relates to the technical field of medical treatment, specifically be an orthopedics double-joint rongeur.

Background

With the development of medical technology, more and more devices are used for clinical treatment, and the double-joint bone scissors are medical tools mainly used for trimming, such as cutting off spinous processes and trimming bone grafting materials

Most of the current double-joint rongeur is a single-function tool, the length of the shearing handle part of the rongeur cannot be freely changed, the shearing handle length cannot be changed according to actual conditions, the practicability of the double-joint rongeur is not high, meanwhile, the shearing handle part of the current double-joint rongeur directly improves the friction force between a hand and the shearing handle by increasing anti-skidding lines, blood or other liquid is easily adhered to the shearing handle in the treatment process, the friction force between the hand and the shearing handle is greatly reduced, the shearing head part is easy to skid, the shearing head part is unstable, the cutting edge is only arranged at the head part of the current double-joint rongeur, when the cutting edge part cuts off spinous processes, the spinous processes with higher hardness are met, the spinous processes can be cut off only by the brute force in the form of increasing the pressure between the shearing handles by the hand, and fine spinous processes generated after cutting off cannot be completely removed in time, easily leading to infection of the tissue at the site.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an orthopedics double joint rongeur to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pair of joint rongeur of orthopedics department, including linking bridge, cut handle, slide bar and third hinge shaft, the outside of third hinge shaft corresponds the articulated two sets of linking bridge, the one end of linking bridge articulates there is the installation pole, and the inboard one end of keeping away from the third hinge shaft of two sets of installation poles articulates each other through first hinge shaft, the installation pole articulates each other through the second hinge shaft with linking bridge, the one end that the installation pole kept away from the third hinge shaft installs the shear head, and the inboard inner of shear head is provided with semicircular groove, the inboard of semicircular groove is provided with the sawtooth, the linking bridge keeps away from the one end of second hinge shaft and installs the slide bar, the linking bridge one end of keeping away from the second hinge shaft is provided with cuts the handle, and the inboard of a set of cut handle is installed first spring, the inboard of another set of cut handle is installed the second spring, the second spring that props one end of keeping away from the cut handle is provided with the fixture block, the one end that the handle was cut away from to first spring that props is provided with the draw-in groove with fixture block matched with, the one end that the handle is close to linking bridge is provided with the spout with slide bar matched with, evenly be provided with the fixed orifices on the slide bar, the bolt is installed to the one end screw thread that handle one side is close to the second articulated shaft of cutting, and bolt and fixed orifices cooperation, the outside of cutting the handle is provided with the arc arch.

Preferably, a screw rod is installed on one side of the connecting support, a handle is installed on the outer side of the screw rod, and a screw hole matched with the screw rod is formed in one end, close to the screw rod, of the handle.

Preferably, the outer side of the shear head is streamline, and the outer side of the shear head is smooth.

Preferably, six groups of fixing holes are uniformly formed in the sliding rod, and the distance between every two adjacent fixing holes is equal.

Preferably, the semicircular grooves are semicircular, the two groups of semicircular grooves are combined to form a complete hemispherical groove, and the two groups of sawteeth are mutually clamped.

Preferably, the outer sides of the arc-shaped bulge and the handle are both provided with anti-skid bulges.

Compared with the prior art, the beneficial effects of the utility model are that: the sliding rod capable of sliding is arranged in the shear handle of the orthopedics double-joint rongeur, the distance between the anti-skidding protrusions and the second articulated shaft can be freely adjusted through the matching of the fixing holes arranged on the sliding rod and the bolts, the interaction force between the first supporting spring and the second supporting spring is changed while the distance is changed, under the condition that the hands apply the same action force on the anti-skidding protrusions, the angles close to or far away between the two groups of anti-skidding protrusions are different when the sliding rod is different in length, doctors can conveniently select the proper length of the sliding rod and the force for shearing off spinous processes, the treatment efficiency is improved, the arc protrusions are arranged on the outer sides of the two groups of shear handles, the anti-skidding protrusions are arranged on the arc protrusions, the slippage between the hands and the shear handles can be avoided, meanwhile, the screw rod and the handle are matched, the stability of the head of the double-joint rongeur when the spinous processes are sheared off can be improved while the slippage is, the device is also provided with a semicircular groove at the position of the shear head, sawteeth are arranged on the inner side of the semicircular groove, so that when meeting spinous processes with high hardness, a part of the bottom of the spinous processes can be sawed off firstly through the sawteeth, the blade part on the inner side of the shear head can be conveniently sheared off later, meanwhile, the sheared spinous processes can be collected by the semicircular groove, the spinous processes can be taken out of a human body along with the double-joint rongeur, and inconvenience caused by taking out the spinous processes by using other tools is avoided.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a front sectional view of the present invention;

FIG. 3 is a schematic view of the interior of the filtration chamber of the present invention;

FIG. 4 is a schematic view of the interior of the filtration chamber of the present invention;

FIG. 5 is an enlarged view of FIG. 2A according to the present invention;

fig. 6 is the inside schematic view of the filtering bin of the present invention.

In the figure: 1. cutting a head; 2. a semicircular groove; 3. a first hinge shaft; 4. a second hinge shaft; 5. connecting a bracket; 6. a screw; 7. a fixing hole; 8. an arc-shaped bulge; 9. a first stay spring; 10. anti-skid projections; 11. Cutting a handle; 12. a second stay spring; 13. a bolt; 14. a slide bar; 15. a handle; 16. a third hinge shaft; 17. mounting a rod; 18. saw teeth; 19. a chute; 20. a clamping block; 21. a card slot; 22. and a screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides an embodiment: a pair of joint rongeur of orthopedics department, including linking bridge 5, cut the handle 11, slide bar 14 and third hinge axis 16, the outside of the third hinge axis 16 is articulated correspondingly and connected with two sets of linking bridge 5, one end of linking bridge 5 is articulated with the installation pole 17, and the inboard one end far away from the third hinge axis 16 of two sets of installation poles 17 is articulated each other through the first hinge axis 3, the installation pole 17 is articulated each other with linking bridge 5 through the second hinge axis 4, the one end of installation pole 17 far away from the third hinge axis 16 is installed with the shear head 1, and the inboard inner end of the shear head 1 is provided with the semicircular groove 2, the inboard of the semicircular groove 2 is provided with the sawtooth 18, the one end of linking bridge 5 far away from the second hinge axis 4 is installed with the slide bar 14, the one end of linking bridge 5 far away from the second hinge axis 4 is provided with cuts the handle 11, and the inboard of one set of cutting the handle 11 is installed with the first spring support 9, the, one end of the second support spring 12, which is far away from the shear handle 11, is provided with a clamping block 20, one end of the first support spring 9, which is far away from the shear handle 11, is provided with a clamping groove 21 matched with the clamping block 20, one end of the shear handle 11, which is close to the connecting support 5, is provided with a sliding groove 19 matched with the sliding rod 14, the sliding rod 14 is evenly provided with a fixing hole 7, one end of the shear handle 11, which is close to the connecting support 5, is provided with a bolt 13 in a threaded manner, the bolt 13 is matched with the fixing hole 7, and the outer side of the.

In the implementation, a screw 6 is installed on one side of a connecting bracket 5, a handle 15 is installed on the outer side of the screw 6, a screw hole 22 matched with the screw 6 is formed in one end, close to the screw 6, of the handle 15, the stability of the device in the using process can be improved by holding the handle 15, the outer side of the shear head 1 is streamline, the outer side of the shear head 1 is smooth, the shear head 1 can conveniently penetrate into human tissues and avoid damage to peripheral tissues in the penetrating process, six groups of fixing holes 7 are uniformly formed in the sliding rod 14, the distance between every two adjacent fixing holes 7 is equal, the sliding length of the sliding rod 14 can be accurately adjusted, the semicircular grooves 2 are semicircular, the two groups of semicircular grooves 2 are combined into a complete semicircular groove, the two groups of sawteeth 18 are mutually clamped, and the sheared spinous processes are collected into the two groups of semicircular grooves 2 while the spinous processes are sawn, the outside of arc arch 8 and handle 15 all is provided with non-slip raised 10 and avoids unexpected hand smooth when holding arc arch 8 and handle 15, influences treatment.

The working principle is as follows: before use, according to actual needs, the bolt 13 is screwed out, the inner end of the bolt 13 is enabled to be away from the inside of the group of fixing holes 7, then the third hinge shaft 16 is pinched by one hand, the two groups of shear handles 11 are pulled towards the end far away from the connecting support 5 by the other hand respectively, so that the sliding rod 14 can be exposed more, when the proper length is reached, the bolt 13 is screwed up manually until the inner end of the bolt 13 penetrates through the inside of the group of fixing holes 7 to fix the sliding rod 14 and the shear handles 11 mutually, then the handle 15 is taken out to screw one end of a screw hole 22 of the handle 15 and the group of third hinge shaft 16, the handle 15 and the connecting support 5 are fixed through the mutual matching of the screw hole 22 and the screw rod 6, then the arc-shaped bulges 8 at the outer sides of the two groups of shear handles 11 are pinched by one hand, the outer side of the blade 15 is gripped by the other hand, the part of the shear head 1 is slowly extended into the part, then the two groups of scissor handles 11 are manually pinched, so that the two groups of scissor heads 1 can be mutually closed, thereby utilizing the mutual action of the blades at the inner sides of the two groups of scissor heads 1 to cut off the spinous processes, when the spinous process is hard and can not be cut off quickly, the part of the semicircular groove 2 can be moved to the two sides of the spinous process, then the two groups of scissors handles 11 are pinched, so that the sawteeth 18 at the inner sides of the two groups of semicircular grooves 2 clamp the spinous processes, then the device is manually rotated back and forth at a certain angle by taking the spinous process as the center of a circle, the pressure exerted by the hand on the two groups of shear handles 11 is gradually increased in the process, and through the saw action of the two groups of saw teeth 18, the bottom of the harder spinous process can be gradually sawn off and finally falls into a bowl-shaped groove formed by two groups of semicircular grooves 2, so that the spinous process moves out of the human body along with the device, the device is cleaned and disinfected after the device is used, then the handle 15 is manually rotated and unscrewed, and then the two are placed together to the original place for storage.

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 specific forms 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.

Claims

1. The utility model provides an orthopedics double joint rongeur, includes linking bridge (5), cuts handle (11), slide bar (14) and third articulated axle (16), its characterized in that: the outer side of the third hinge shaft (16) is correspondingly hinged with two groups of connecting supports (5), one end of each connecting support (5) is hinged with an installation rod (17), the inner ends of the two groups of installation rods (17) far away from the third hinge shaft (16) are hinged with each other through a first hinge shaft (3), the installation rods (17) are hinged with the connecting supports (5) through second hinge shafts (4), one ends of the installation rods (17) far away from the third hinge shaft (16) are provided with shearing heads (1), the inner ends of the inner sides of the shearing heads (1) are provided with semicircular grooves (2), the inner sides of the semicircular grooves (2) are provided with saw teeth (18), one ends of the connecting supports (5) far away from the second hinge shafts (4) are provided with sliding rods (14), one ends of the connecting supports (5) far away from the second hinge shafts (4) are provided with shearing handles (11), and a set of inboard of cutting handle (11) is installed first spring (9) that props, and the inboard of cutting handle (11) is installed to another group second spring (12) that props, the one end of cutting handle (11) is kept away from in second spring (12) is provided with fixture block (20), the one end of cutting handle (11) is kept away from in first spring (9) is provided with draw-in groove (21) with fixture block (20) matched with, the one end of cutting handle (11) and being close to linking bridge (5) is provided with and slides (14) matched with spout (19), evenly be provided with fixed orifices (7) on slide (14), it installs bolt (13) to cut the one end screw thread that handle (11) one side is close to linking bridge (5), and bolt (13) and fixed orifices (7) cooperate, the outside of cutting handle (11) is provided with arc arch (8).

2. The orthopaedic bi-articular rongeur of claim 1, wherein: screw rod (6) are installed to one side of linking bridge (5), and handle (15) are installed in the outside of screw rod (6), handle (15) are close to the one end of screw rod (6) and are provided with screw (22) with screw rod (6) matched with.

3. The orthopaedic bi-articular rongeur of claim 1, wherein: the outer side of the shearing head (1) is streamline, and the outer side of the shearing head (1) is smooth.

4. The orthopaedic bi-articular rongeur of claim 1, wherein: six groups of fixing holes (7) are uniformly formed in the sliding rod (14), and the distance between every two adjacent fixing holes (7) is equal.

5. The orthopaedic bi-articular rongeur of claim 1, wherein: the semicircular grooves (2) are semicircular, the two groups of semicircular grooves (2) are combined into a complete hemispherical groove, and the two groups of sawteeth (18) are mutually clamped.

6. The orthopaedic bi-articular rongeur of claim 1, wherein: the outer sides of the arc-shaped bulge (8) and the handle (15) are both provided with anti-skid bulges (10).