CN211610109U

CN211610109U - Bone clamping device

Info

Publication number: CN211610109U
Application number: CN202020212739.XU
Authority: CN
Inventors: 陈淑玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-10-02
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses a bone clamping device, belonging to the technical field of medical auxiliary instruments, comprising a fixing mechanism, a rotating mechanism and a clamping mechanism, wherein the fixing mechanism is connected with the clamping mechanism through the rotating mechanism; the clamping mechanism comprises a workbench, a first clamping mechanism and a second clamping mechanism, the workbench is positioned above the rotating mechanism, the first clamping mechanism and the second clamping mechanism are positioned on the periphery of the upper end face of the workbench, a first threaded hole penetrating through the middle of the first clamping mechanism is formed in the middle of the first clamping mechanism, and a first screw rod matched with the first threaded hole is arranged on the first clamping mechanism; the second clamping mechanism comprises a connecting rod and a second screw rod, and a second threaded hole matched with the second screw rod and formed in the axial direction of the workbench is formed in the upper portion of the connecting rod. The utility model discloses the bone clamping device of example, the device can carry out the centre gripping of a plurality of angles to the bone, makes it can satisfy the centre gripping to different shapes, not unidimensional bone, makes the centre gripping of bone more firm, and it is convenient for the operation process provides, improves the precision of operation, reduces the operation time.

Description

Bone clamping device

Technical Field

The utility model relates to the technical field of medical auxiliary equipment, especially, relate to a bone clamping device.

Background

The bone clamping device is a common tool in the bone cutting and replacing operation, and has better auxiliary fixing function for the operations of drilling, cutting, grinding and the like of the bone. In the current clinical treatment, there is no special device for clamping the bone, so when the doctor performs the operation processes of drilling, cutting, grinding and the like on the bone, sometimes the doctor operates by using a simple clamping tool, sometimes directly operates the bone by hands, and finally, the treated bone is sterilized and transplanted to the focus of the bone of the patient for replacement and repair.

Because the shape of the bone is irregular, and one bone may be thicker at the end and thinner in the middle, it is difficult to fix bones of various sizes and shapes by using a common clamping tool, the clamping range of the clamping tool needs to be frequently changed or auxiliary instruments need to be added in the operation process, so that the operation difficulty and the operation time are increased, and when the common clamping tool holds the bone by hands, the precision of the operation process is reduced, and the precision and the effect of the operation are influenced.

Therefore, there is a need to design a device specially used for bone clamping, which can meet the requirements of fixing bones with various shapes and sizes in the operation process, and improve the accuracy and efficiency of the operation.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model aims to provide a bone clamping device, which can clamp bones at a plurality of angles, so that the bone clamping device can meet the clamping requirements of bones with different shapes and sizes, and the clamping requirements of the bones are more firm, thereby facilitating the operation process, improving the precision of the operation and reducing the operation time.

The utility model provides a technical scheme that its technical problem adopted does:

the bone clamping device comprises a fixing mechanism, a rotating mechanism and a clamping mechanism, wherein the fixing mechanism is connected with the clamping mechanism through the rotating mechanism; the clamping mechanism comprises a workbench, a first clamping mechanism and a second clamping mechanism, the workbench is positioned above the rotating mechanism, the first clamping mechanism and the second clamping mechanism are positioned on the periphery of the upper end face of the workbench, at least two first clamping mechanisms are arranged, sliding blocks are arranged at the left end and the right end of the lower end face of the first clamping mechanism, a sliding rail matched with the sliding blocks is arranged on the workbench, a first threaded hole penetrating through the middle of the first clamping mechanism is formed, and a first screw rod matched with the first threaded hole is arranged on the first clamping mechanism; the second clamping mechanism and the first clamping mechanism are arranged in an inserting mode, the second clamping mechanism comprises a connecting rod and a second screw rod, a second threaded hole matched with the second screw rod and formed in the axial direction of the workbench is formed in the upper portion of the connecting rod, and a fastening piece is arranged at the front end of the second screw rod. The clamping mechanism can be fixed from a plurality of angles and two directions, when the lower part of the special-shaped bone is fixed at a plurality of angles, the bone with thicker end part and thinner middle part can be fixed at the end part and the middle direction, so that the clamping mechanism is suitable for fixing various bones, and the operation precision and quality are improved.

Further, the length of the second screw is not smaller than the diameter of the workbench, and the height of the second screw is higher than that of the first clamping mechanism. The second screw rod is used for fixing the bone of the thin portion, the length of the second screw rod is not smaller than the diameter of the workbench, the second screw rods can be guaranteed to be in contact with the bone and then fix the bone, the height of the second screw rod is higher than that of the first clamping mechanism, the two clamping mechanisms can be located at different heights, and the second clamping mechanism can fix the bone of the thin portion.

Further, fixed establishment includes the base and is located the sleeve of base top, the inside below of sleeve is connected with the revolving stage supporting seat through the bearing, telescopic side is equipped with two third screw holes at least. The rotary table supporting seat can drive the rotary mechanism and the clamping mechanism to rotate, so that the clamping device can adapt to the operation of the operating device on each angle of the bone conveniently in the operation process, and the smoothness of the operation is improved.

Further, the rotating mechanism comprises a turntable base and a supporting surface, the turntable base is located in the sleeve and connected with the top surface of the turntable supporting seat, the height of the upper end surface of the turntable base is higher than that of the upper end surface of the sleeve, and the turntable base and the sleeve are fixed through a third screw rod matched with the third threaded hole; the supporting surface is positioned above the turntable base. The clamping mechanism is driven to rotate through the rotating mechanism, so that the clamping device can meet the multi-angle operation on bones, when the bone is not required to rotate, the third screw rod can be screwed down through the clamping mechanism, the third screw rod is in contact with the side wall of the rotary table base and exerts constraint force, the rotary table base is fixed, when the bone needs to rotate, the third screw rod is reversely screwed, the rotary table base is not constrained any more, and the rotation of the rotating mechanism can be realized.

Furthermore, at least two convex blocks distributed along the circumference of the rotary table supporting seat are arranged above the rotary table supporting seat, and a groove matched with the convex blocks is formed in the lower end face of the rotary table base. The rotary table supporting seat and the rotary table base are movably connected through the convex block and the groove, so that the rotary mechanism and the clamping mechanism can be conveniently separated from the fixing mechanism, the rotary mechanism and the clamping mechanism can be detached after an operation is finished, the rotary mechanism and the clamping mechanism can be conveniently cleaned and sterilized, and the device is more sanitary.

Compared with the prior art, the invention has the beneficial effects that: the device can be fixed the bone from a plurality of angles, can be to the fine fixed of dysmorphism bone to can follow two direction of height and fix the bone, can satisfy the fixed to the inconsistent bone of diameter from top to bottom, thereby make the device be fit for the fixed of all kinds of bones, and fixture can dismantle, make things convenient for the clearance and the disinfection in later stage.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

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

fig. 2 is a side view of the present invention;

fig. 3 is a cross-sectional view of the rotating mechanism and the clamping mechanism of the present invention.

In the figure: 1-base, 2-sleeve, 3-workbench, 4-first clamping mechanism, 5-first threaded hole, 6-first screw rod, 7-sliding block, 8-sliding rail, 9-connecting rod, 10-second screw rod, 11-fastener, 12-third screw rod, 13-turntable base, 14-supporting surface, 15-turntable supporting seat, 16-bearing, 17-groove and 18-lug.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1-3, the present embodiment provides a bone clamping device, which includes a fixing mechanism, a rotating mechanism and a clamping mechanism, wherein the fixing mechanism includes a base 1 and a sleeve 2 located above the base 1, a turntable support 15 is connected to a lower portion inside the sleeve 2 through a bearing 16, at least two protruding blocks 18 distributed along a circumference of the turntable support 15 are disposed above the turntable support 15, and at least two third threaded holes are disposed on a side surface of the sleeve 2. The turntable supporting seat 15 can drive the rotating mechanism and the clamping mechanism to rotate, so that the clamping device can adapt to the operation of the operating device on each angle of the bone conveniently in the operation process, and the smoothness of the operation is improved.

The rotating mechanism comprises a rotary table base 13 and a supporting surface 14, the rotary table base 13 is positioned in the barrel of the sleeve 2 and is connected with the top surface of a rotary table supporting seat 15, a groove 17 matched with the convex block 18 is formed in the lower end surface of the rotary table base 13, the height of the upper end surface of the rotary table base 13 is higher than that of the upper end surface of the sleeve 2, and the rotary table base 13 and the sleeve 2 are fixed through a third screw 12 matched with a third threaded hole; the support surface 14 is located above the turntable base 13. When the bone needs to be rotated, the third screw 12 is screwed to separate the third screw 12 from the turntable base 13, the turntable base 13 is not restrained by force in the left-right direction any more, rotation can be achieved, and after the rotation is finished, the third screw 12 is screwed tightly, so that the third screw 12 is in contact with the side wall of the turntable base 13 and exerts restraining force to fix the turntable base 13.

The clamping mechanism comprises a workbench 3, a first clamping mechanism 4 and a second clamping mechanism, the workbench 3 is positioned above the supporting surface 14, the first clamping mechanism 4 and the second clamping mechanism are positioned on the periphery of the upper end surface of the workbench 3, at least two first clamping mechanisms 4 are arranged, sliding blocks 7 are arranged at the left end and the right end of the lower end surface of the first clamping mechanism 4, a sliding rail 8 matched with the sliding blocks 7 is arranged on the workbench 3, a first threaded hole 5 penetrating through the middle of the first clamping mechanism 4 is arranged, and a first screw 6 matched with the first threaded hole 5 is arranged on the first clamping mechanism 4; the second clamping mechanism and the first clamping mechanism 4 are arranged in an inserting mode, the second clamping mechanism comprises a connecting rod 9 and a second screw rod 10, a second threaded hole matched with the second screw rod 10 and formed in the axial direction of the workbench 3 is formed in the upper portion of the connecting rod 9, and a fastening piece 11 is arranged at the front end of the second screw rod 10; the length of the second screw 10 is not less than the diameter of the workbench 3, and the height of the second screw 10 is higher than that of the first clamping mechanism 4. The front and back movement of the first clamping mechanism 4 is realized through the slide block 7 and the slide rail 8, so that the first clamping mechanism 4 is in contact with the bone, and the first clamping mechanism 4 is fixed by screwing the first screw 6, namely the lower end of the bone can be fixed; the extension length of the second screw rods 10 is adjusted to make each second screw rod 10 contact with and fix the starting end of the thin part of the bone, so that the thin and thick parts of the bone are fixed, the fixation is firmer, and the operation precision and quality are improved.

Description of the principles of the technology. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A bone clamping device comprises a fixing mechanism, a rotating mechanism and a clamping mechanism, and is characterized in that the fixing mechanism is connected with the clamping mechanism through the rotating mechanism;

the clamping mechanism comprises a workbench (3), a first clamping mechanism (4) and a second clamping mechanism, the workbench (3) is positioned above the rotating mechanism, the first clamping mechanism (4) and the second clamping mechanism are positioned on the periphery of the upper end face of the workbench (3), at least two first clamping mechanisms (4) are arranged, sliding blocks (7) are arranged at the left end and the right end of the lower end face of the first clamping mechanism (4), a sliding rail (8) matched with the sliding blocks (7) is arranged on the workbench (3), a first threaded hole (5) penetrating through the middle of the first clamping mechanism (4) is formed in the first clamping mechanism (4), and a first screw rod (6) matched with the first threaded hole (5) is arranged on the first clamping mechanism (4); the second clamping mechanism and the first clamping mechanism (4) are arranged in a penetrating mode, the second clamping mechanism comprises a connecting rod (9) and a second screw rod (10), a second threaded hole matched with the second screw rod (10) and formed in the axial direction of the workbench (3) is formed in the upper portion of the connecting rod (9), and a fastening piece (11) is arranged at the front end of the second screw rod (10).

2. A bone clamping device according to claim 1, characterised in that the length of the second threaded rod (10) is not less than the diameter of the table (3), the second threaded rod (10) being at a higher level than the first clamping means (4).

3. A bone clamping device according to claim 2, characterized in that said fixing means comprises a base (1) and a sleeve (2) located above said base (1), a turntable support (15) is connected to the lower part of the inside of said sleeve (2) through a bearing (16), and at least two third threaded holes are provided on the side of said sleeve (2).

4. A bone clamping device according to claim 3, wherein said rotating mechanism comprises a turntable base (13) and a supporting surface (14), said turntable base (13) is located in the barrel of said sleeve (2) and is connected with the top surface of said turntable supporting seat (15), the height of the upper end surface of said turntable base (13) is higher than that of the upper end surface of said sleeve (2), said turntable base (13) and said sleeve (2) are fixed by a third screw rod (12) matched with said third threaded hole; the supporting surface (14) is positioned above the turntable base (13).

5. A bone clamping device according to claim 4, characterized in that at least two protrusions (18) are arranged above said turntable support (15) and distributed along the circumference of said turntable support (15), and the lower end surface of said turntable base (13) is provided with a groove (17) adapted to said protrusions (18).