CN212592382U

CN212592382U - Screw take-out device for orthopedics

Info

Publication number: CN212592382U
Application number: CN202020469603.7U
Authority: CN
Inventors: 白夜; 郭宁; 陈庆贺
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2021-02-26
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a screw remove device for orthopedics, include: the bottom end of the hollow block is arranged in an open mode; the two clamping mechanisms are respectively arranged at the center positions of the left side and the right side of the inner cavity of the hollow block; the hollow column is fixedly arranged at the center of the top end of the hollow block; the two through holes are respectively formed in the upper end and the lower end of the left side and the right side of the hollow column along the left-right direction, and the through holes are communicated with the inner cavity of the hollow column; the inserted bar is inserted at the top end of the hollow column, and the bottom end of the inserted bar extends to the inner cavity of the hollow column; the inserting block is fixedly arranged at the bottom end of the inserting rod; and a positioning component. This screw remove device for orthopedics not only can be convenient for the doctor to the work of taking out of screw, when realizing twisting out the screw of different specifications, avoid taking place the dropout when twisting, reducible occupation space satisfies doctor's user demand when depositing moreover, is favorable to extensively promoting.

Description

Screw take-out device for orthopedics

Technical Field

The utility model relates to the technical field of medical equipment, specifically a screw remove device for orthopedics.

Background

The bone is the main support frame of human body, plays the main drive effect of human activity, establishes this administrative or technical offices of orthopedics in the hospital now, mainly is responsible for the treatment to the damage of bone, the condition that bone fracture or bone are disconnected appears now, can take to use among the hospital to connect, assists the healing of bone, and the bone is after healing the completion, and the screw of the inboard of bone need take out, and this screw remove device that just needs to use orthopedics.

However, in the existing orthopedic screw taking-out device, when screws of different specifications are screwed out, only the corresponding taking-out groove can be replaced for taking out, and the screw is easy to be released when being screwed, so that the screw taking-out device is not convenient for doctors to take out screws, cannot meet the use requirements of doctors, and is not beneficial to wide popularization.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an orthopedic screw take-out device to solve the very doctor of being not convenient for among the prior art problem to the work of taking out of screw at least.

In order to achieve the above object, the utility model provides a following technical scheme: an orthopedic screw extraction device comprising:

the bottom end of the hollow block is arranged in an open mode;

the two clamping mechanisms are respectively arranged at the center positions of the left side and the right side of the inner cavity of the hollow block;

the hollow column is fixedly arranged at the center of the top end of the hollow block;

the two through holes are respectively formed in the upper end and the lower end of the left side and the right side of the hollow column along the left-right direction, and the through holes are communicated with the inner cavity of the hollow column;

the inserted bar is inserted at the top end of the hollow column, and the bottom end of the inserted bar extends to the inner cavity of the hollow column;

the inserting block is fixedly arranged at the bottom end of the inserting rod;

the positioning assembly is arranged in the inner cavity of the insertion block;

the cross rod is fixedly arranged at the top end of the inserted rod;

and the rubber sleeves are respectively wrapped on the left side and the right side of the outer wall of the cross rod.

Preferably, the outer wall of the insert block is attached to the inner wall of the hollow column, and the left side and the right side of the insert block correspond to the positions of the through holes in the top ends of the left side and the right side of the hollow column.

Preferably, the clamping mechanism includes: the two screws are respectively screwed in the center positions of the left side and the right side of the inner cavity of the hollow block, and the hollow block extends out of the outer side of each screw; the handle is fixedly arranged on the outer side of the screw rod; the connecting plate is arranged on the inner side of the screw rod through a bearing, an inner ring of the bearing is in interference fit with the screw rod, and an outer ring of the bearing is fixedly connected with the connecting plate; the four connecting rods are respectively and fixedly arranged on the front side and the rear side of the upper end and the lower end of the inner side of the connecting plate; the splint, splint fixed mounting is in the inboard of connecting rod, and splint will four the inboard of connecting rod is connected.

Preferably, the bottom of connecting plate and splint extends to the lower surface of hollow block, and the top of connecting plate and splint is laminated mutually with the inner chamber top of hollow block.

Preferably, the positioning assembly comprises: the vertical plate is fixedly arranged at the center of the bottom end of the inner cavity of the insert block, and the top end of the vertical plate is fixedly connected with the top end of the inner cavity of the insert block; the two springs are respectively and fixedly arranged on the left side and the right side of the vertical plate; the inserting plate is fixedly arranged at the outer end of the spring, and the upper end and the lower end of the inserting plate are attached to the upper end and the lower end of the inner cavity of the inserting block; the locating lever, locating lever fixed mounting is put at the outside central point of picture peg, and the outer end of locating lever runs through the through-hole and extends to the outside wall of hollow post.

Preferably, the distance between the outer side of the vertical plate and the inner side of the inserting plate is greater than the length of the inserting block extending out of the outer end of the positioning rod.

Compared with the prior art, the beneficial effects of the utility model are that: the orthopedic screw taking-out device can be used for driving the connecting plate, the connecting rod and the clamping plate to gradually move inwards or outwards when the screw rod is matched with the hollow block in a screwed manner, when the clamping plate gradually moves inwards, the clamping plate can be adjusted to a proper position according to different specifications of the hexagonal screw cap of the screw, the hexagonal screw cap of the screw is clamped and fixed by the clamping plate, the phenomenon that the hexagonal screw cap of the screw is unscrewed is avoided, the clamping rod can be separated from the inner cavity of the through hole by pushing the positioning rod inwards to facilitate the insertion rod to move downwards and gradually insert into the inner cavity of the hollow column, when the positioning rod corresponds to the through hole again along with the downward movement of the insertion rod and the insertion block, the insertion plate and the positioning rod can be driven to move outwards to reset under the action of external force of the spring, the positioning rod is inserted into the inner cavity of the through hole to position and fix the insertion block, the insertion, therefore, the screw can be conveniently taken out by a doctor, the screws with different specifications can be unscrewed, the screws are prevented from being tripped when being screwed, the occupied space can be reduced when the screws are stored, the use requirements of the doctor are met, and the screw taking device is favorable for wide popularization.

Drawings

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

fig. 2 is a schematic top view of the clamping mechanism of fig. 1 according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. hollow block, 2, screw rod, 3, handle, 4, connecting plate, 5, connecting rod, 6, splint, 7, hollow post, 8, through-hole, 9, inserted bar, 10, inserted block, 11, riser, 12, spring, 13, picture peg, 14, locating lever, 15, horizontal pole, 16, rubber sleeve.

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. 1-3, the present invention provides a technical solution: an orthopedic screw extraction device comprising: the clamping device comprises a hollow block 1, a clamping mechanism, a hollow column 7, a through hole 8, an inserted rod 9, an inserted block 10, a positioning assembly, a cross rod 15 and a rubber sleeve 16, wherein the bottom end of the hollow block 1 is arranged in an open mode; the two clamping mechanisms are respectively arranged at the center positions of the left side and the right side of the inner cavity of the hollow block 1, and the hexagonal screw cap of the screw can be conveniently clamped and fixed through the clamping mechanisms; the hollow column 7 is fixedly arranged at the center of the top end of the hollow block 1; the two through holes 8 are respectively arranged at the upper end and the lower end of the left side and the right side of the hollow column 7 along the left-right direction, and the through holes 8 are mutually communicated with the inner cavity of the hollow column 7; the inserted link 9 is inserted at the top end of the hollow column 7, and the bottom end of the inserted link 9 extends to the inner cavity of the hollow column 7; the insert block 10 is fixedly arranged at the bottom end of the insert rod 9; the positioning assembly is arranged in the inner cavity of the insert block 10, and the insert block 10 can be conveniently positioned and fixed through the positioning assembly; the cross rod 15 is fixedly arranged at the top end of the inserted rod 9; two rubber sleeves 16 parcel are in the outer wall left and right sides of horizontal pole 15 respectively, can be convenient for protect doctor's hand through rubber sleeve 16 to the handheld horizontal pole 15 of doctor rotates the device.

Preferably, the periphery of the outer wall of the insert 10 is attached to the inner wall of the hollow column 7, and the left and right sides of the insert 10 correspond to the positions of the through holes 8 at the top ends of the left and right sides of the hollow column 7, so that the insert 10 is limited, and the insert 10 can move more stably in the vertical direction.

Preferably, the clamping mechanism further comprises: the two screw rods 2 are respectively screwed at the central positions of the left side and the right side of the inner cavity of the hollow block 1, the hollow block 1 extends out of the outer side of the screw rods 2, and the screw rods 2 can move inwards or outwards when rotating through the screw connection matching of the screw rods 2 and the hollow block 1; the handle 3 is fixedly arranged on the outer side of the screw rod 2, and the screw rod 2 can be conveniently driven to rotate through the handle 3; the connecting plate 4 is arranged on the inner side of the screw rod 2 through a bearing, an inner ring of the bearing is in interference fit with the screw rod 2, and an outer ring of the bearing is fixedly connected with the connecting plate 4; the four connecting rods 5 are respectively and fixedly arranged at the front side and the rear side of the upper end and the lower end of the inner side of the connecting plate 4; splint 6 fixed mounting is in the inboard of connecting rod 5, and splint 6 is connected four connecting rod 5's inboard, can be convenient for press from both sides tight fixedly to the hexagonal nut of screw through splint 6.

As a preferred scheme, furthermore, the bottom ends of the connecting plate 4 and the clamping plate 6 extend to the lower surface of the hollow block 1, and the top ends of the connecting plate 4 and the clamping plate 6 are attached to the top end of the inner cavity of the hollow block 1, so that the connecting plate 4 and the clamping plate 6 are limited, and the connecting plate 4 and the clamping plate 6 are ensured to stably move towards the inner side or the outer side.

Preferably, the positioning assembly further comprises: the vertical plate 11 is fixedly arranged at the center of the bottom end of the inner cavity of the insert block 10, and the top end of the vertical plate 11 is fixedly connected with the top end of the inner cavity of the insert block 10; the two springs 12 are respectively and fixedly arranged at the left side and the right side of the vertical plate 11, the springs 12 generate elastic deformation after being stretched or extruded, and the springs are restored to the initial state after external force is removed; the inserting plate 13 is fixedly arranged at the outer end of the spring 12, the upper end and the lower end of the inserting plate 13 are attached to the upper end and the lower end of the inner cavity of the inserting block 10, and the spring 12 can be used for conveniently driving the inserting plate 13 to move outwards to reset; the locating rod 14 is fixedly installed at the outer side center position of the inserting plate 13, the outer end of the locating rod 14 penetrates through the through hole 8 and extends to the outer side wall surface of the hollow column 7, and the inserting block 10 can be conveniently located and fixed through the matching of the locating rod 14 and the through hole 8.

Preferably, the distance between the outer side of the vertical plate 11 and the inner side of the insert plate 13 is greater than the length of the outer end of the positioning rod 14 extending out of the insert 10, so that the positioning rod 14 can be completely separated from the inner cavity of the through hole 8.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the device is used, the hollow block 1 of the device is sleeved on the hexagonal screw cap of a screw, the handle 3 is rotated to drive the screw rod 2 to rotate, the screw rod 2 can be moved inwards while rotating under the screw connection matching of the screw rod 2 and the hollow block 1, the screw rod 2 drives the connecting plate 4, the connecting rod 5 and the clamping plate 6 to gradually move inwards, the clamping plate 6 is adjusted to a proper position according to different specifications of the hexagonal screw cap of the screw, the clamping plate 6 clamps and fixes the hexagonal screw cap of the screw, the thread tripping can be avoided when the hexagonal screw cap of the screw is screwed, the screw can be directly clamped and completely taken out after the screw is completely screwed out, when the handle 3 is rotated in the opposite direction, the screw rod 2 drives the connecting plate 4, the connecting rod 5 and the clamping plate 6 to move outwards to be separated from the hexagonal screw cap of the screw so as to take down the hexagonal screw, the use of a hexagonal doctor is very convenient, when the device is not, the positioning rod 14 is pushed inwards to drive the inserting plate 13 to move inwards to extrude the spring 12, the spring 12 is stressed and deformed, after the positioning rod 14 is completely separated from the through hole 8, the transverse rod 15 is pressed downwards to drive the positioning components in the inserting rod 9, the inserting block 10 and the inserting block 10 to move downwards, the inserting rod 9 gradually contracts in the inner cavity of the hollow column 7 to reduce the height of the transverse rod 15, when the positioning rod 14 corresponds to the through hole 8 at the bottom end of the left side and the right side of the inner cavity of the hollow column 7 again, the spring 12 loses external force to drive the inserting plate 13 and the positioning rod 14 to move outwards to reset, the inner cavity of the through hole 8, into which the positioning rod 14 is inserted, positions and fixes the inserting block 10, the inserting rod 9 and the transverse rod 15, so that the overall height of the device is reduced, the occupied space is reduced, the device is more convenient to store, the structure is compact, the design is reasonable, simple operation and convenient use.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "interference fit," "threaded," "plugged," "disposed," "mounted," and the like are to be construed broadly and can be, for example, fixedly attached, removably attached, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screw remove device for orthopedics which characterized in that: the method comprises the following steps:

the bottom end of the hollow block (1) is arranged in an open mode;

the two clamping mechanisms are respectively arranged at the central positions of the left side and the right side of the inner cavity of the hollow block (1);

the hollow column (7), the hollow column (7) is fixedly installed at the center of the top end of the hollow block (1);

the two through holes (8) are respectively formed in the upper end and the lower end of the left side and the right side of the hollow column (7) along the left-right direction, and the through holes (8) are communicated with the inner cavity of the hollow column (7);

the inserted bar (9) is inserted at the top end of the hollow column (7), and the bottom end of the inserted bar (9) extends to the inner cavity of the hollow column (7);

the inserting block (10), the inserting block (10) is fixedly arranged at the bottom end of the inserting rod (9);

the positioning component is arranged in the inner cavity of the insert block (10);

the cross rod (15), the cross rod (15) is fixedly installed at the top end of the inserted rod (9);

the rubber sleeves (16), two rubber sleeves (16) wrap up the outer wall left and right sides of horizontal pole (15) respectively.

2. The orthopedic screw extraction device according to claim 1, characterized in that: the outer wall of the insertion block (10) is attached to the inner wall of the hollow column (7) at the periphery, and the left side and the right side of the insertion block (10) correspond to the positions of the through holes (8) at the top ends of the left side and the right side of the hollow column (7).

3. The orthopedic screw extraction device according to claim 1, characterized in that: the clamping mechanism includes:

the two screw rods (2) are respectively screwed in the center positions of the left side and the right side of the inner cavity of the hollow block (1), and the hollow block (1) extends out of the outer side of each screw rod (2);

the handle (3), the said handle (3) is fixedly mounted on the outside of the threaded spindle (2);

the connecting plate (4) is mounted on the inner side of the screw rod (2) through a bearing, an inner ring of the bearing is in interference fit with the screw rod (2), and an outer ring of the bearing is fixedly connected with the connecting plate (4);

the four connecting rods (5) are respectively and fixedly arranged on the front side and the rear side of the upper end and the lower end of the inner side of the connecting plate (4);

splint (6), splint (6) fixed mounting is in the inboard of connecting rod (5), and splint (6) will four the inboard of connecting rod (5) is connected.

4. A screw extraction device for orthopedics according to claim 3, characterized in that: the bottom of connecting plate (4) and splint (6) extends to the lower surface of hollow block (1), and the top of connecting plate (4) and splint (6) is laminated with the inner chamber top of hollow block (1) mutually.

5. The orthopedic screw extraction device according to claim 1, characterized in that: the positioning assembly comprises:

the vertical plate (11) is fixedly arranged at the center of the bottom end of the inner cavity of the insert (10), and the top end of the vertical plate (11) is fixedly connected with the top end of the inner cavity of the insert (10);

the two springs (12) are respectively and fixedly arranged on the left side and the right side of the vertical plate (11);

the inserting plate (13) is fixedly arranged at the outer end of the spring (12), and the upper end and the lower end of the inserting plate (13) are attached to the upper end and the lower end of the inner cavity of the inserting block (10);

the positioning rod (14) is fixedly installed at the center of the outer side of the inserting plate (13), and the outer end of the positioning rod (14) penetrates through the through hole (8) and extends to the outer side wall surface of the hollow column (7).

6. The orthopedic screw extraction device according to claim 5, characterized in that: the distance between the outer side of the vertical plate (11) and the inner side of the inserting plate (13) is greater than the length of the outer end of the positioning rod (14) extending out of the inserting block (10).