CN210019614U

CN210019614U - Orthopedic screw guiding and positioning clamp

Info

Publication number: CN210019614U
Application number: CN201920190431.7U
Authority: CN
Inventors: 李波
Original assignee: 李波
Current assignee: Rizhao Hospital of Traditional Chinese Medicine TCM
Priority date: 2019-02-12
Filing date: 2019-02-12
Publication date: 2020-02-07
Anticipated expiration: 2029-02-12

Abstract

The utility model discloses an orthopedics screw guiding orientation pincers, including two location binding clip, two location binding clip are articulated mutually, the top of location binding clip is seted up flutedly, and two recesses one side that is close to each other sets up to the opening, it is the through-hole to set up one side open-ended on the bottom inner wall of recess, and the through-hole sets up to semi-circular, and two through-hole looks adaptations, slidable mounting has the connecting plate in the recess, the sliding tray has been seted up on the both sides inner wall of recess, the equal fixed mounting in both sides of connecting plate has the sliding block, and sliding block and corresponding sliding tray sliding connection, the equal fixed mounting in one side that two connecting plates kept away from each other has a plurality of compression spring's one end, compression spring's other end fixed mounting is on the inner wall of the recess that. The utility model relates to a rationally, simple structure, convenient operation is convenient for carry out guiding orientation to the screw, makes things convenient for people's use.

Description

Orthopedic screw guiding and positioning clamp

Technical Field

The utility model relates to a positioning forceps technical field especially relates to an orthopedics screw direction location pincers.

Background

In the clinical screwing of screw in orthopedics, especially when the operation space is narrow, the screw holding forceps are mostly used for replacing hand holding screws, but the effective screw holding of the screw holding forceps needs the jaw to be in close contact with the screws, so that the screws cannot be rotated when the screws are held, which brings inconvenience for screwing the screws, and particularly, when the screw is driven into the acetabulum during hip joint replacement, the space is narrow and the problem of inconvenient use exists, so that an orthopedic screw guiding and positioning forceps is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an orthopedic screw guiding and positioning clamp.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an orthopedic screw guiding and positioning clamp comprises two positioning clamp heads which are hinged, wherein the top of each positioning clamp head is provided with a groove, one side of each groove, which is close to each other, is provided with an opening, the inner wall of the bottom of each groove is provided with a through hole, which is provided with an opening, the through hole is semicircular and is matched with the two through holes, connecting plates are arranged in the grooves in a sliding manner, sliding grooves are arranged on the inner walls of the two sides of each groove, sliding blocks are fixedly arranged on the two sides of each connecting plate and are in sliding connection with the corresponding sliding grooves, one end of a plurality of compression springs is fixedly arranged on one side, which is far away from each other, of the two connecting plates, the other end of each compression spring is fixedly arranged on the inner wall of the corresponding groove, one side, which is close to the other connecting plate, is fixedly provided with a first limiting plate, the first limiting, and the second limiting plate is positioned at the other side of the through hole.

Preferably, a plurality of rotating grooves are formed in the inner wall of the through hole, rotating columns are rotatably mounted in the rotating grooves, and one side of each rotating column extends into the through hole.

Preferably, the rotating column is provided with a rotating shaft, and the rotating column is rotatably connected with the corresponding rotating groove through the rotating shaft.

Preferably, the number of the compression springs located on the same side is three to six, and the three to six compression springs located on the same side are arranged at equal intervals.

Preferably, the same screw is placed in the two through holes, the rotating column is in contact with the screw, and the screw is located between the first limiting plate and the second limiting plate.

Preferably, the top of the screw is provided with a cross-shaped groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the screw positioning device comprises positioning clamp heads, grooves, through holes, a connecting plate, a sliding groove, a sliding block, a compression spring, a first limiting plate, a second limiting plate, a rotating groove, a rotating shaft, a rotating column, a screw and a cross groove which are matched, the two positioning clamp heads are opened, the screw is placed in the two through holes, the two positioning clamp heads are closed, the rotating column fixes the lower half part of the screw, the upper plate part of the screw is limited by the first limiting plate and the second limiting plate, the compression spring pushes the connecting plate under the elastic force action of the compression spring, the connecting plate drives the sliding block to slide in the sliding groove, so that the connecting plate is contacted with the screw, the aim of positioning the screw is fulfilled, a surgeon can test pressure of the screw by using hand-held pliers, meanwhile, the universal screwdriver provides rotating power for the screw, and the screw rotates under the action of the rotating column, facilitating the screwing of the screw into the steel plate and the bone.

The utility model relates to a rationally, simple structure, convenient operation is convenient for carry out guiding orientation to the screw, makes things convenient for people's use.

Drawings

Fig. 1 is a schematic structural view of an orthopedic screw guiding and positioning forceps provided by the present invention;

FIG. 2 is a schematic structural view of part A of the orthopedic screw guiding and positioning forceps of the present invention;

fig. 3 is a schematic structural diagram of a part B of the orthopedic screw guiding and positioning forceps provided by the present invention.

In the figure: the device comprises a positioning clamp head 1, a groove 2, a through hole 3, a connecting plate 4, a sliding groove 5, a sliding block 6, a compression spring 7, a first limiting plate 8, a second limiting plate 9, a rotating groove 10, a rotating shaft 11, a rotating column 12, a screw 13 and a cross groove 14.

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.

Referring to fig. 1-3, an orthopedic screw guiding and positioning clamp comprises two positioning clamp heads 1, wherein the two positioning clamp heads 1 are hinged, a groove 2 is formed in the top of the positioning clamp head 1, one side of the two grooves 2 close to each other is provided with an opening, a through hole 3 with one side open is formed in the inner wall of the bottom of the groove 2, the through hole 3 is semicircular, the two through holes 3 are matched, a connecting plate 4 is slidably mounted in the groove 2, sliding grooves 5 are formed in the inner walls of the two sides of the groove 2, sliding blocks 6 are fixedly mounted on the two sides of the connecting plate 4, the sliding blocks 6 are slidably connected with the corresponding sliding grooves 5, one side of the two connecting plates 4 far from each other is fixedly mounted with one end of a plurality of compression springs 7, the other end of each compression spring 7 is fixedly mounted on the inner wall of the corresponding groove 2, and a first limiting plate 8 is fixedly mounted on, and the first limit plate 8 is positioned at one side of the through hole 3, the second limit plate 9 is fixedly arranged at one side of the other connecting plate 4 close to one connecting plate 4, the second limit plate 9 is positioned at the other side of the through hole 3, the two positioning clamp heads 1 are opened by matching the positioning clamp head 1, the groove 2, the through hole 3, the connecting plate 4, the sliding groove 5, the sliding block 6, the compression spring 7, the first limit plate 8, the second limit plate 9, the rotating groove 10, the rotating shaft 11, the rotating column 12, the screw 13 and the cross groove 14, the two positioning clamp heads 1 are then placed in the two through holes 3, the two positioning clamp heads 1 are then closed, the rotating column 12 fixes the lower half part of the screw 13, the upper plate part of the screw 13 is limited by the first limit plate 8 and the second limit plate 9, under the elastic force of the compression spring 7, the compression spring 7 pushes the connecting plate 4, the connecting plate 4 drives the, make connecting plate 4 and screw 13 contact to realized carrying out the purpose of fixing a position to screw 13, the pliers is handed to the screw 13 pressure testing to surgeon's accessible, provides rotary power to the screw through universal screwdriver simultaneously, under the effect of rotation post 12, screw 13 rotates, and screw 13 of being convenient for twists in steel sheet and the bone, the utility model relates to a rationally, simple structure, convenient operation is convenient for carry out guiding orientation to screw 13, makes things convenient for people's use.

The utility model discloses in, a plurality of rotation grooves 10 have been seted up on the inner wall of through-hole 3, it installs rotation post 12 to rotate the inslot 10 internal rotation, and one side that rotates post 12 extends to in the through-hole 3, be equipped with pivot 11 on the rotation post 12, and rotate post 12 and rotate with corresponding rotation groove 10 through pivot 11 and be connected, the quantity that lies in compression spring 7 with one side is three to six, and lie in three to six equidistant settings of compression spring 7 with one side, same screw 13 has been placed in two through-holes 3, and rotate post 12 and screw 13 and contact, and screw 13 lies in between first limiting plate 8 and the second limiting plate 9, the top of screw 13 is equipped with cross groove 14, through positioning binding clip 1, recess 2, through-hole 3, connecting plate 4, sliding tray 5, sliding block 6, compression spring 7, first limiting plate 8, second limiting plate 9, rotation groove 10, pivot 11, rotation post 12, The screw 13 is matched with the cross groove 14, the two positioning clamp heads 1 are opened, the screw 13 is placed in the two through holes 3, then the two positioning clamp heads 1 are closed, the rotating column 12 fixes the lower half part of the screw 13 at the moment, the upper plate part of the screw 13 is limited through the first limiting plate 8 and the second limiting plate 9, under the elastic force action of the compression spring 7, the compression spring 7 pushes the connecting plate 4, the connecting plate 4 drives the sliding block 6 to slide in the sliding groove 5, so that the connecting plate 4 is contacted with the screw 13, the aim of positioning the screw 13 is realized, a surgeon can test the pressure of the screw 13 through the handheld clamp, meanwhile, the screw is provided with rotating power through the universal screwdriver, under the action of the rotating column 12, the screw 13 rotates, and the screw 13 is conveniently screwed into a steel plate and a bone, the utility model has the advantages of reasonable design and simple structure, the screw 13 guiding and positioning device is convenient to operate, is convenient for guiding and positioning the screw 13, and is convenient for people to use.

The working principle is as follows: during the use, at first open two location binding clip 1, then place screw 13 in two through-holes 3, then close two location binding clip 1, the latter half of screw 13 is fixed to the post 12 that rotates this moment, and the upper plate part of screw 13 is spacing through first limiting plate 8 and second limiting plate 9, under compression spring 7's elasticity effect, compression spring 7 promotes connecting plate 4, connecting plate 4 drives sliding block 6 and slides in sliding tray 5, make connecting plate 4 and screw 13 contact, thereby realized carrying out the purpose of fixing a position screw 13, surgeon's accessible handheld pliers are to screw 13 pressure testing, provide rotary power to the screw through universal screwdriver simultaneously, under the effect of rotating post 12, screw 13 rotates, be convenient for screw 13 twists in steel sheet and the bone, make things convenient for people's use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The orthopedic screw guiding and positioning clamp comprises two positioning clamp heads (1), wherein the two positioning clamp heads (1) are hinged, and the orthopedic screw guiding and positioning clamp is characterized in that a groove (2) is formed in the top of each positioning clamp head (1), one side, close to each other, of each groove (2) is provided with an opening, a through hole (3) with an opening at one side is formed in the inner wall of the bottom of each groove (2), each through hole (3) is semicircular, the two through holes (3) are matched, a connecting plate (4) is slidably mounted in each groove (2), sliding grooves (5) are formed in the inner walls of the two sides of each groove (2), sliding blocks (6) are fixedly mounted on the two sides of each connecting plate (4), the sliding blocks (6) are slidably connected with the corresponding sliding grooves (5), one ends of a plurality of compression springs (7) are fixedly mounted on one side, far away from each other, of the two connecting plates (4), the other ends of the compression springs (7, one side of one connecting plate (4) close to another connecting plate (4) is fixedly provided with a first limiting plate (8), the first limiting plate (8) is located on one side of the through hole (3), one side of the other connecting plate (4) close to the one connecting plate (4) is fixedly provided with a second limiting plate (9), and the second limiting plate (9) is located on the other side of the through hole (3).

2. The orthopedic screw guiding and positioning forceps as claimed in claim 1, characterized in that the inner wall of the through hole (3) is provided with a plurality of rotating grooves (10), the rotating grooves (10) are rotatably provided with rotating columns (12), and one side of each rotating column (12) extends into the through hole (3).

3. The guiding and positioning forceps for orthopedic screws as claimed in claim 2, characterized in that the rotation column (12) is provided with a rotation shaft (11), and the rotation column (12) is rotatably connected with the corresponding rotation groove (10) through the rotation shaft (11).

4. An orthopaedic screw-guiding positioning clamp according to claim 1, wherein the number of compression springs (7) located on the same side is three to six, and the three to six compression springs (7) located on the same side are equally spaced.

5. The guiding and positioning forceps for orthopedic screws as claimed in claim 1, characterized in that the same screw (13) is placed in the two through holes (3), the rotating column (12) is in contact with the screw (13), and the screw (13) is located between the first limiting plate (8) and the second limiting plate (9).

6. An orthopaedic screw-guiding positioning clamp according to claim 1, wherein the top of the screw (13) is provided with a cross recess (14).