CN215914778U

CN215914778U - Special lateral bending rongeur for orthopedics department

Info

Publication number: CN215914778U
Application number: CN202120446934.3U
Authority: CN
Inventors: 宋义博; 李红
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2022-03-01
Anticipated expiration: 2031-03-02

Abstract

The utility model discloses a special lateral bending rongeur for orthopedics department, which comprises a main body, wherein the main body is a rectangular plate, a hinge device is arranged on one side surface of the main body, the hinge device comprises two hinge plates, the two hinge plates are symmetrically arranged, a gear is rotatably connected between the two hinge plates, the two gears are respectively positioned at two ends of the hinge plates, and the surfaces of the gears are respectively and fixedly connected with rongeur main bodies. And is convenient to adjust.

Description

Special lateral bending rongeur for orthopedics department

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a pair of lateral bending rongeur special for orthopedics.

Background

The lateral bending rongeur is used for biting and repairing bone tissues, so that one of medical instruments commonly used in orthopedic surgery is adopted, the existing lateral bending rongeur mainly uses a spring piece to keep a main plier body in a separated state, so that the cutting edge part of the lateral bending rongeur forms a certain included angle, and further the lateral bending rongeur is convenient to use in surgery.

Therefore, the lateral bending rongeur special for the orthopedics department is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special lateral bending rongeur for orthopedics department, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the special lateral bending rongeur for orthopedics comprises a main body, wherein the main body is a rectangular plate, a hinge device is arranged on one side surface of the main body and comprises two hinge plates, the two hinge plates are symmetrically arranged, gears are rotatably connected between the two hinge plates and are respectively positioned at two ends of the hinge plates, a through hole is formed in the end surface of the main body corresponding to the two gears in a penetrating manner, a movable rod is arranged on the inner surface of the through hole in a sliding manner and is fixedly connected between the two gears, the racks are respectively meshed with the gears at two sides, a handle is fixedly connected to one side surface of the main body, away from the gears, a screw rod is arranged at one end of the movable rod, away from the rack, and penetrates through the handle, the screw rod is connected with the handle in a sliding mode, a rotating groove is coaxially formed in the surface of one end, far away from the main body, of the handle, an annular groove is coaxially formed in the inner surface of the rotating groove, a connecting block is connected to the inner surface of the rotating groove in a rotating mode, the outer surface of the connecting block corresponds to the annular groove, fixedly connected with annular blocks are arranged at the position of the annular groove respectively, the connecting block is far away from the handle, the handle is fixedly connected with one end of the handle, a control groove is formed in the end face of the rotating handle in a penetrating mode, the screw rod is located inside the control groove, inner threads meshed with the screw rod are formed in the inner surface of the control groove, and rongeur main bodies are fixedly connected to the surfaces of the gears respectively.

Preferably, the outer surface of the movable rod is provided with a sliding groove, and the inner surface of the through hole is fixedly connected with a sliding block corresponding to the surface of the sliding groove.

Preferably, one side the rongeur main part includes first connecting portion and second connecting portion, first connecting portion with fixed connection between the gear, first connecting portion are kept away from the one end of gear is equipped with the movable groove, the one end fixedly connected with movable block of second connecting portion, movable block sliding connection be in the inside of movable groove, the lateral wall of first connecting portion corresponds movable groove department runs through and is equipped with the bar groove, the surface of movable block corresponds bar groove department fixedly connected with movable rack, the surface fixedly connected with connecting plate of first connecting portion, the surface of connecting plate rotates and is connected with the worm, the worm with movable rack meshing.

Preferably, the outer surface of the handle is provided with anti-skid grains.

Preferably, the outer surface of the rotating handle is provided with an anti-skid rubber mat.

Preferably, one end of the worm is provided with an adjusting knob.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a special lateral bending rongeur of orthopedics, through setting up the main part, passes through articulated slab hinged gear in the one end of main part to set up handle and rotation handle at the other end of main part, rotate the removal of handle control movable rod through rotating, rack on the movable rod moves thereupon, thereby drives the gear antiport of both sides simultaneously, and then drives the rongeur main part and open and close, through screw thread transmission, thereby has self-locking function, and is convenient for adjust.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the twist grip of the present invention;

fig. 4 is a schematic top view of the main body of the present invention.

In the figure: 1-main body, 2-hinged plate, 3-gear, 4-through hole, 5-movable rod, 6-rack, 7-handle, 8-screw, 9-rotating groove, 10-annular groove, 11-connecting block, 12-annular block, 13-rotating handle, 14-control groove, 15-adjusting knob, 16-sliding groove, 17-sliding block, 18-first connecting part, 19-second connecting part, 20-movable groove, 21-movable block, 22-strip groove, 23-movable rack, 24-connecting plate and 25-worm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the special lateral bending rongeur for orthopedics department comprises a main body 1, wherein the main body 1 is a rectangular plate, a hinge device is arranged on one side surface of the main body 1 and comprises two hinge plates 2, the two hinge plates 2 are symmetrically arranged, gears 3 are rotatably connected between the two hinge plates 2, as shown in figure 1, the two gears 3 are respectively arranged at two ends of the hinge plates 2, a through hole 4 penetrates through the end surface of the main body 1 corresponding to the two gears 3, a movable rod 5 is slidably arranged on the inner surface of the through hole 4, a rack 6 is fixedly connected between the two gears 3 and corresponds to the movable rod 5, the rack 6 is respectively engaged with the gears 3 at two sides, and a handle 7 is fixedly connected to one side surface of the main body 1 away from the gears 3, the handle 7 is cylindrical and is convenient to hold, the movable rod 5 is far away from one end of the rack 6 and is provided with a screw rod 8, the screw rod 8 penetrates through the handle 7, the screw rod 8 is in sliding connection with the handle 7, the handle 7 is far away from one end surface of the main body 1 and is coaxially provided with a rotating groove 9, the rotating groove 9 is cylindrical, the rotating groove 9 and the handle 7 are coaxially arranged, the inner surface of the rotating groove 9 is coaxially provided with an annular groove 10, the inner surface of the rotating groove 9 is rotatably connected with a connecting block 11, the outer surface of the connecting block 11 is fixedly connected with an annular block 12 at the position corresponding to the annular groove 10, the annular block 12 and the annular groove 10 enable the rotating groove 9 and the connecting block 11 to be connected, the connecting block 11 is far away from one end of the handle 7 and is fixedly connected with a rotating handle 13, and the end surface of the rotating handle 13 is provided with a control groove 14 in a penetrating way, the screw 8 is located inside the control groove 14, the inner surface of the control groove 14 is provided with internal threads meshed with the screw 8, the surfaces of the gears 3 are respectively and fixedly connected with rongeur bodies, and the rongeur bodies are in a lateral bending shape as shown in fig. 1.

Specifically, as shown in fig. 4, a sliding groove 16 is formed in an outer surface of the movable rod 5, a sliding block 17 is fixedly connected to an inner surface of the through hole 4 corresponding to a surface of the sliding groove 16, and the sliding groove 16 and the sliding block 17 are matched with each other, so that when the rotating handle 13 rotates, the movable rod 5 is not driven to rotate at the same time.

Specifically, the rongeur main body on one side comprises a first connecting portion 18 and a second connecting portion 19, the first connecting portion 18 is fixedly connected with the gear 3, a movable groove 20 is formed in one end, away from the gear 3, of the first connecting portion 18, a movable block 21 is fixedly connected with one end of the second connecting portion 19, the movable block 21 is slidably connected inside the movable groove 20, a strip-shaped groove 22 penetrates through the side wall of the first connecting portion 18 and corresponds to the movable groove 20, the strip-shaped groove 22 is arranged in the same direction as the movable groove 20, a movable rack 23 is fixedly connected to the outer surface of the movable block 21 and corresponds to the strip-shaped groove 22, the movable block 21 can be driven to slide by moving the movable rack 23, a connecting plate 24 is fixedly connected to the outer surface of the first connecting portion 18, and the connecting plate 24 is located at one end of the strip-shaped groove 22, the surface of the connecting plate 24 is rotatably connected with a worm 25, and the worm 25 is meshed with the movable rack 23.

Specifically, the outer surface of the handle 7 is provided with anti-slip lines to increase friction.

Particularly, the surface of adjusting handle 13 is equipped with anti-skidding cushion, the convenient rotation.

Specifically, one end of the worm 25 is provided with an adjusting knob 15 for rotating the worm 25.

The working principle is as follows: when the bone rongeur is used, one hand holds the handle 7, the other hand holds the rotating handle 13 and rotates, the rotating handle 13 drives the movable rod 5 to move through the internal threads in the control groove 14, the movable rod 5 drives the gear 3 to rotate through the rack 6, the gear 3 simultaneously drives the bone rongeur to open or close, and simultaneously has a self-locking characteristic, when the opening width of the bone rongeur needs to be adjusted, the control knob 15 is rotated, the control knob 15 drives the worm 25 to rotate, the worm 25 drives the movable rack 23 to slide along the strip-shaped groove 22, the movable rack 23 drives the movable block 21 to slide, and further, the relative distance between the first connecting portion 18 and the second connecting portion 19 is controlled, so that the opening width is changed.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special lateral bending rongeur of orthopedics, includes main part (1), its characterized in that: the main body (1) is a rectangular plate, a side surface of the main body (1) is provided with a hinge device, the hinge device comprises two hinge plates (2), the number of the hinge plates (2) is two, the hinge plates (2) are symmetrically arranged, two gears (3) are rotatably connected between the hinge plates (2), the number of the gears (3) is two, the gears (3) are respectively positioned at two ends of the hinge plates (2), the end surface of the main body (1) corresponds to two gears (3), through holes (4) are arranged between the gears (3) in a penetrating manner, movable rods (5) are arranged on the inner surfaces of the through holes (4) in a sliding manner, the movable rods (5) are correspondingly positioned between the two gears (3) and fixedly connected with racks (6), the racks (6) are respectively engaged with the gears (3) at two sides, and a side surface of the main body (1) away from the gears (3) is fixedly connected with a handle (7), the utility model discloses a handle, including rack (6), movable rod (5), handle (7), screw rod (8), handle (7), just screw rod (8) keep away from the one end of rack (6) is equipped with screw rod (8), screw rod (8) pass handle (7), just screw rod (8) with handle (7) sliding connection, handle (7) are kept away from the coaxial rotation groove (9) that is equipped with in one end surface of main part (1), the coaxial ring channel (10) that is equipped with of internal surface that rotates groove (9), the internal surface rotation that rotates groove (9) is connected with connecting block (11), the surface of connecting block (11) corresponds ring channel (10) punishment do not fixedly connected with annular block (12), connecting block (11) are kept away from the one end fixedly connected with of handle (7) rotates handle (13), the terminal surface that rotates handle (13) runs through and is equipped with control flume (14), screw rod (8) are located the inside of control flume (14), the inner surface of the control groove (14) is provided with internal threads meshed with the screw rods (8), and the surfaces of the gears (3) are fixedly connected with rongeur main bodies respectively.

2. The lateral bending rongeur special for orthopedics department according to claim 1, wherein: the outer surface of the movable rod (5) is provided with a sliding groove (16), and the inner surface of the through hole (4) corresponds to the surface of the sliding groove (16) and is fixedly connected with a sliding block (17).

3. The lateral bending rongeur special for orthopedics department according to claim 2, wherein: the rongeur body on one side comprises a first connecting part (18) and a second connecting part (19), the first connecting part (18) is fixedly connected with the gear (3), a movable groove (20) is arranged at one end of the first connecting part (18) far away from the gear (3), one end of the second connecting part (19) is fixedly connected with a movable block (21), the movable block (21) is connected in the movable groove (20) in a sliding manner, a strip-shaped groove (22) is arranged on the side wall of the first connecting part (18) corresponding to the movable groove (20) in a penetrating way, the outer surface of the movable block (21) is fixedly connected with a movable rack (23) corresponding to the strip-shaped groove (22), the outer surface of the first connecting part (18) is fixedly connected with a connecting plate (24), the surface of the connecting plate (24) is rotatably connected with a worm (25), and the worm (25) is meshed with the movable rack (23).

4. The lateral bending rongeur special for orthopedics department according to claim 1, wherein: the outer surface of the handle (7) is provided with anti-skid grains.

5. The lateral bending rongeur special for orthopedics department according to claim 4, wherein: the outer surface of the rotating handle (13) is provided with an anti-skid rubber mat.

6. The lateral bending rongeur special for orthopedics department according to claim 3, wherein: one end of the worm (25) is provided with an adjusting knob (15).