CN210582618U

CN210582618U - Novel orthopedic screw easy to install

Info

Publication number: CN210582618U
Application number: CN201920984029.6U
Authority: CN
Inventors: 刘志翔
Original assignee: Hunan Kangbai Medical Technology Co Ltd
Current assignee: Hunan Kangbai Medical Technology Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-05-22
Anticipated expiration: 2029-06-27

Abstract

The utility model relates to an orthopedic surgery technical field discloses a novel orthopedics screw of easily installing, including screw rod, screw head and the screwdriver that uses of mutually supporting with the screw head, its characterized in that, the circular slot has been seted up at the top of screw head, and four logical grooves have been seted up to the lateral wall symmetry of circular slot, and the arc wall has all been seted up to four bottoms that lead to the groove, and the arc wall is linked together the setting with leading to the groove, the equal fixedly connected with stopper of both sides wall of arc wall, the screwdriver includes bull stick and four locating pieces, the lateral wall of four locating pieces all with the lateral wall fixed connection of bull stick, and the setting of mutually supporting is led to groove with four respectively of. The utility model discloses can prevent that the screw head from breaking away from each other when rotating and locating piece when twisting the screw when rotating, the installation of the screw of being convenient for can promote the sclerotin to grow simultaneously and heal up, and then makes to form between screw rod and the sclerotin and combine closely, the people's of being convenient for use.

Description

Novel orthopedic screw easy to install

Technical Field

The utility model relates to an orthopedic surgery technical field especially relates to a novel orthopedic screw of easily installing.

Background

In the current operation of treating fracture, correcting or transplanting, the fracture part is fixed on the skeleton of human body by using orthopedic nails.

At present, in bone surgery, all use the screwdriver to tighten the screw, the screw that orthopedics used among the prior art is mostly structures such as style of calligraphy or hexagon socket head, and in the use, the screwdriver can slide in the recess of screw afterbody often, the installation of being not convenient for, and the screw of this kind of structure leads to smooth silk when taking off easily moreover, causes the screw to be difficult to be taken out, people's of being not convenient for use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art screwdriver and often can slide in the recess of screw afterbody, the installation of being not convenient for, the screw of this kind of structure leads to smooth silk easily when taking off moreover, causes the screw to be difficult to be taken out, the problem of the people's of being not convenient for use, and the novel orthopedics screw of an easily installation that proposes.

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

the utility model provides a novel orthopedics screw of easily installing, includes screw rod, screw head and the screwdriver that uses of mutually supporting with the screw head, the circular slot has been seted up at the top of screw head, four logical grooves have been seted up to the lateral wall symmetry of circular slot, four the arc wall has all been seted up to the bottom that leads to the groove, and the arc wall is linked together the setting with leading to the groove, the equal fixedly connected with stopper of both sides wall of arc wall, the screwdriver includes bull stick and four locating pieces, four the lateral wall of locating piece all with the lateral wall fixed connection of bull stick, and four locating pieces respectively with four logical groove mutually support the setting, four the spacing hole with stopper assorted is all seted up to the lateral wall of locating piece.

Preferably, the bottom of the screw rod is provided with a circular groove, the circular groove is filled with bone inducing materials, a film is arranged at the notch of the circular groove, and the side wall of the film is attached to the inner wall of the circular groove.

Preferably, the heights of the four positioning blocks are the same as the height of the arc-shaped groove.

Preferably, four the below of arc wall all is equipped with magnet, and magnet inlays the inside setting of locating the screw head.

Preferably, the bone inducing material is made of hydroxyapatite.

Preferably, the screw head and the limiting block are all made of titanium alloy materials.

Compared with the prior art, the utility model provides a novel orthopedics screw of easily installing possesses following beneficial effect:

1. this novel orthopedics screw of easily installing through the logical groove that is equipped with, mutually support between arc wall and the stopper, can prescribe a limit to the locating piece position on the bull stick to prevent that the screw head from taking place to drop when rotating, the people's of being convenient for use.

2. This novel orthopedics screw easy to install, through the osteoinductive material that is equipped with, when the screw rod installation, osteoinductive material can play and promote the sclerotin to grow the healing, and then makes to form the zonulae occludens between screw rod and the sclerotin, ensures the reliability of its connection, the people's of being convenient for use.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can prevent when rotating to twist the screw head when rotating and break away from each other between the locating piece, the installation of the screw of being convenient for can promote the sclerotin to grow simultaneously and heal, and then makes to form between screw rod and the sclerotin and combine closely, the people's of being convenient for use.

Drawings

Fig. 1 is a schematic structural view of a novel orthopedic screw easy to install according to the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1 screw rod, 2 screw heads, 3 screwdrivers, 31 rotating rods, 32 positioning blocks, 4 circular grooves, 5 through grooves, 6 arc-shaped grooves, 7 limiting blocks, 8 magnets, 9 bone induction materials and 10 films.

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. 1-2, a novel orthopedics screw easy to install, including screw rod 1, screw head 2 and screwdriver 3 mutually supporting the use with screw head 2, circular slot 4 has been seted up at screw head 2's top, four logical grooves 5 have been seted up to the lateral wall symmetry of circular slot 4, four arc wall 6 has all been seted up to the bottom that leads to groove 5, and arc wall 6 is linked together the setting with leading to groove 5, the equal fixedly connected with stopper 7 of both sides wall of arc wall 6, screwdriver 3 includes bull stick 31 and four locating pieces 32, the lateral wall of four locating pieces 32 all with the lateral wall fixed connection of bull stick 31, and four locating pieces 32 respectively with four logical groove 5 mutually support the setting, the spacing hole with stopper 7 assorted is all seted up to the lateral wall of four locating pieces 32.

The circular slot has been seted up to screw rod 1's bottom, and the circular slot intussuseption is filled with osteoinductive material 9, and the notch department of circular slot is equipped with pad pasting 10, and the lateral wall of pad pasting 10 and the inner wall laminating setting of circular slot, can prevent losing of osteoinductive material 9 through the pad pasting 10 that is equipped with.

The heights of the four positioning blocks 32 are the same as the height of the arc-shaped groove 6, so that the limiting holes and the limiting blocks 7 can be conveniently matched with each other.

The below of four arc walls 6 all is equipped with magnet 8, and magnet 8 inlays the inside setting of locating screw head 2, can adsorb locating piece 32 to prevent to break away from each other between locating piece 32 and the arc wall 6.

The bone inducing material 9 is made of hydroxyapatite, and has main inorganic components of human body and animal skeleton, which can combine with body tissue chemically in interface, has certain solubility, can release ion harmless to body, participate in metabolism, stimulate or induce hyperosteogeny, promote repair of damaged tissue and show bioactivity.

Screw rod 1, screw head 2 and stopper 7 all adopt titanium alloy material to make, can guarantee that screw rod 1, screw head 2 and stopper 7's biocompatibility is good, and difficult in the internal ionization that produces, can not rust.

The utility model discloses in, during the use, it is corresponding with the position that leads to groove 5 with the locating piece, through inserting bull stick 8 to circular slot 4 in, thereby can make locating piece 32 remove and can remove and set up to the arc wall 6 in, stopper 7 and the spacing hole that the rethread was equipped with, rotate bull stick 8, can make locating piece 32 rotate, thereby make spacing hole and the mutual block setting of stopper 7, and then can guarantee the stability of screw rod 1 when rotating, prevent breaking away from between bull stick 8 and the screw head 2, the osteoinductive material 9 that the rethread was equipped with, when screw rod 1 is installed, osteoinductive material 9 can play promotion sclerotin growth and heal, and then make and form the zonulae occludens between screw rod 1 and the sclerotin, ensure the reliability of its connection, the people's of being convenient for 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. A novel orthopedic screw easy to install, which comprises a screw rod (1), a screw head (2) and a screwdriver (3) mutually matched with the screw head (2), it is characterized in that the top of the screw head (2) is provided with a circular groove (4), the side wall of the circular groove (4) is symmetrically provided with four through grooves (5), the bottoms of the four through grooves (5) are respectively provided with an arc-shaped groove (6), the arc-shaped groove (6) is communicated with the through groove (5), two side walls of the arc-shaped groove (6) are fixedly connected with limit blocks (7), the screwdriver (3) comprises a rotating rod (31) and four positioning blocks (32), the side walls of the four positioning blocks (32) are fixedly connected with the side wall of the rotating rod (31), and the four positioning blocks (32) are respectively matched with the four through grooves (5), and the side walls of the four positioning blocks (32) are provided with limiting holes matched with the limiting blocks (7).

2. The novel orthopedic screw easy to install according to claim 1, wherein a round groove is formed at the bottom of the screw rod (1), the round groove is filled with bone inducing material (9), a film (10) is arranged at the notch of the round groove, and the side wall of the film (10) is attached to the inner wall of the round groove.

3. A new orthopaedic screw easy to install according to claim 1, wherein the four locating blocks (32) have the same height as the arc-shaped slot (6).

4. The novel orthopedic screw easy to install according to claim 1, characterized in that magnets (8) are arranged below the four arc-shaped grooves (6), and the magnets (8) are embedded in the screw head (2).

5. A new orthopaedic screw, easy to install according to claim 2, wherein said osteoinductive material (9) is made of hydroxyapatite.

6. The novel orthopedic screw easy to install according to claim 1, wherein the screw rod (1), the screw head (2) and the stopper (7) are made of titanium alloy material.