CN215080439U

CN215080439U - Multipurpose fixing clamp

Info

Publication number: CN215080439U
Application number: CN202120027931.6U
Authority: CN
Inventors: 罗爱民; 彭新阳; 黄馨; 秦保祯
Original assignee: Beijing Zhong An Tai Hua Science & Technology Co ltd
Current assignee: Beijing Zhong An Tai Hua Science & Technology Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-12-10
Anticipated expiration: 2031-01-06

Abstract

The application relates to the field of orthopedic external fixation supports, in particular to a multipurpose fixing clamp which comprises a fixing part and clamping parts symmetrically arranged at two ends of the fixing part, wherein the clamping parts are detachably connected to the fixing part, and the two clamping parts can rotate around the fixing part; the fixing piece comprises a connecting shaft and a pair of rotating blocks symmetrically arranged at two ends of the connecting shaft, a pair of rotating blocks are symmetrically arranged at two sides of the rotating shaft and positioned between the two rotating blocks, annular grooves are formed in the opposite surfaces of the two rotating blocks, and two ends of each rotating block are rotatably arranged in the grooves; the clamping piece includes that one end and turning block threaded connection's set screw and slip set up the lid on set screw with join in marriage and hold in the palm, joins in marriage the one end that holds in the palm and be located and be close to the mounting, and the one end that set screw kept away from the mounting can compress tightly the lid, join in marriage and hold in the palm and can butt to the mounting, the lid with join in marriage and be used for pressing from both sides tight connecting rod between the support. The utility model has the effect of improving fixed human fracture department efficiency.

Description

Multipurpose fixing clamp

Technical Field

The application relates to the field of orthopedic external fixation supports, in particular to a multipurpose fixing clamp.

Background

In recent years, with the increase of high-energy open fractures, treatment of open fractures is different from closed fractures, which are susceptible to infection and necrosis. Thus, the treatment of open fractures is required to be rapid, minimizing tissue re-injury. The method for fixing the fracture is simple, rapid and effective.

The external fixation bracket technology is widely applied to treating the fracture, and has the advantages that: 1. the application range is wide, the quality of the modern external fixing frame is reliable, the stability is good, and the assembling form is flexible and various; 2. the modern external fixation system has very reliable stability through continuous improvement and research, and the displacement and angulation of the fracture end caused by the instability of the external fixation frame are very rare in the fixation process; 3. the fixation range is large, and for some adjacent joints or fractures in the joints, super-joint fixation can be adopted if necessary to increase the stability of fixation, which cannot be achieved by internal fixation; 4. minimally invasive operation, small surgical injury and closed reduction.

Although the existing external fixing supports such as plaster, splints and bone traction are simple, rapid and effective fracture fixation cannot be achieved, and abnormal movement of the fracture end threatens healing of wound skin and can increase the chance of pollution diffusion.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of fixed human fracture department, this application provides a multi-purpose fixation clamp.

The application provides a multi-purpose fixation clamp adopts following technical scheme:

the utility model provides a multi-purpose fixation clamp which characterized in that: the clamping device comprises a fixing part and clamping pieces symmetrically arranged at two ends of the fixing part, wherein the clamping pieces are used for fixing a connecting rod, the clamping pieces are detachably connected to the fixing part, and the two clamping pieces can rotate around the fixing part;

the fixing piece comprises a vertically arranged connecting shaft and a pair of rotating blocks symmetrically arranged at two ends of the connecting shaft, the rotating blocks are in threaded connection with the end part of the connecting shaft, a pair of rotating blocks are symmetrically arranged at two sides of the connecting shaft and positioned between the two rotating blocks, annular grooves coaxial with the axis of the connecting shaft are formed in the surfaces of the two rotating blocks opposite to each other, and two ends of each rotating block are rotatably arranged in the grooves;

the clamping piece includes that one end and turning block threaded connection's set screw and slip set up the lid on set screw and join in marriage the support, join in marriage the support and be located the one end that is close to the mounting, the one end that set screw kept away from the mounting can compress tightly the lid, join in marriage and hold in the palm and can be received on the mounting, the lid with join in marriage and be used for pressing from both sides tight connecting rod between the support.

Through adopting above-mentioned technical scheme, the mounting and the clamping piece that this application set up can adjust the angle between clamping piece and the mounting after connecting two adjacent connecting rods, realize the fixed of many planes multi-angle to the requirement under the complicated fixed operation environment of adaptation, and the mounting and the clamping piece that set up can improve the efficiency of installing two adjacent connecting rods.

Optionally, three practical clamping grooves which are matched with each other are respectively formed on the surfaces of the cover body opposite to the matching support, and the three clamping grooves are different in size.

Through adopting above-mentioned technical scheme, the size diverse of three clamping groove for the connecting rod of different diameter sizes is adapted to.

Optionally, a cylindrical rod is vertically and fixedly connected to the surface of the cover body facing the support, a slot corresponding to the cylindrical rod is formed in the surface of the support facing the cover body, and the cylindrical rod is inserted into the slot.

Through adopting above-mentioned technical scheme, the cylinder pole that sets up can prevent that lid and joining in marriage the position of holding in the palm the last matched with of support from taking place to deviate, guarantees that lid and joining in marriage the tight groove phase-match of clamp on holding in the palm.

Optionally, the one end that set screw is close to the mounting slides and is provided with and prevents revolving the piece, prevent revolving one side of piece and rotatory piece cooperation, prevent revolving the other one side of piece and supporting the cooperation with joining in marriage, prevent revolving the piece and supporting relative all being provided with a plurality of mouse teeth on the surface with joining in marriage, it is a plurality of the mouse tooth distributes along set screw's axis circumference equidistance.

Through adopting above-mentioned technical scheme, the piece soon can cooperate with rotatory piece is prevented to prevent to join in marriage and hold in the palm when direct and rotatory piece butt, joins in marriage and takes place to rotate between support and the mounting, leads to the angle of two adjacent connecting rods to can not reach the purpose of stable fixed human fracture department, the mouse tooth of setting can increase join in marriage the support and prevent the frictional force between the piece soon, guarantees the stability of its locking back structure.

Optionally, the fixing screw is sleeved with a spring, the spring is located between the anti-rotation block and the support, one end of the spring abuts against the anti-rotation block, and the other end of the spring abuts against the support.

Through adopting above-mentioned technical scheme, under set screw relaxed state, under the spring force effect, make join in marriage and hold in the palm on can butt the lid all the time, can play the effect of prelocking to the connecting rod, make things convenient for the operation in the art, avoid the reduction operation time of repeated operation in the art.

Optionally, the surfaces of the rotating block and the anti-rotating block, which are attached to each other, are provided with anti-sliding teeth.

Through adopting above-mentioned technical scheme, prevent that anti-skidding tooth on piece and the rotatory piece of revolving cooperates and uses, when the position department of fixed human fracture, the anti-skidding tooth can avoid the slight rocking of support.

Optionally, the clamping groove on the cover body is arc-shaped, the clamping groove on the support is V-shaped, and anti-slip blocks are uniformly arranged on the inner surface of the clamping groove on the cover body.

Through adopting above-mentioned technical scheme, when pressing from both sides tight connecting rod, be convex lid and be the clamping groove of V type and can guarantee the biggest clamp force, the non slipping spur that sets up can compress tightly the connecting rod on the surface, prevents that when pressing from both sides tight connecting rod, the connecting rod from taking place to rotate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the fixing part and the clamping part, after the two adjacent connecting rods are connected, the angle between the clamping part and the fixing part can be adjusted, multi-plane and multi-angle fixing is achieved, so that the requirements under a complex fixing operation environment can be met, and the efficiency of installing the two adjacent connecting rods can be improved through the arranged fixing part and the clamping part;

2. the piece of preventing revolving that sets up can cooperate with rotatory piece, prevents to join in marriage when holding in the palm direct and rotatory piece butt, joins in marriage and takes place to rotate between support and the mounting, leads to the angle of two adjacent connecting rods to can not reach the purpose of stable fixed human fracture department, the mouse tooth that sets up can increase join in marriage the support and prevent revolving the frictional force between the piece, guarantees the stability of its locking back structure.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is an exploded view of the present application embodying the internal structure.

Description of reference numerals: 1. a fixing member; 11. a connecting shaft; 12. rotating the block; 13. rotating the block; 14. a groove; 2. a clamping member; 21. a set screw; 22. a cover body; 23. preparing a support; 24. an anti-rotation block; 25. a clamping groove; 26. a cylindrical rod; 27. a slot; 28. mouse teeth; 29. anti-slip teeth; 3. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a multipurpose fixing clamp. Referring to fig. 1, the fixing frame comprises a fixing member 1 and a pair of clamping members 2 symmetrically arranged on two sides of the fixing member 1, when the fixing frame is used, the fixing member 1 is fixed, the clamping members 2 can clamp the connecting rods, so that the clamping members 2 can clamp two adjacent connecting rods, the arranged clamping members 2 can rotate around the fixing member 1, and the angle between the two clamping members 2 can be changed at any time so as to meet the requirements under different operating environments.

The fixing piece 1 comprises a vertically arranged connecting shaft 11 and a pair of circular rotating blocks 12 which are symmetrically and in threaded connection with two ends of the connecting shaft 11, a pair of rotating blocks 13 which are matched with the clamping piece 2 for use are arranged between the two rotating blocks 12, the two rotating blocks 13 are symmetrically arranged on two sides of the connecting shaft 11, annular grooves 14 which are identical in size and are annular are formed in the surfaces of the two rotating blocks 12, the axis of each annular groove 14 is identical to that of the connecting shaft 11, the upper end and the lower end of each rotating block 13 can be embedded in the corresponding groove 14 in a sliding mode, the rotating blocks 13 can rotate around the axis of the connecting shaft 11, when the rotating blocks 13 are required to rotate around the connecting shaft 11, the rotating blocks 12 are unscrewed, after the rotating blocks 13 rotate, the rotating blocks 12 are screwed, the two rotating blocks 12 are enabled to clamp the rotating blocks 13, and the purpose of fixing the rotating blocks 13 is achieved.

Referring to fig. 1 and 2, the clamping member 2 includes a horizontally disposed fixing screw 21, and a cover 22 and a support 23 slidably disposed on the fixing screw 21, wherein one end of the fixing screw 21 can be screwed to the rotating block 13, the support 23 is disposed at one end of the fixing screw 21 close to the fixing member 1, the cover 22 is disposed at one end of the fixing screw 21 far from the fixing member 1, one end of the fixing screw 21 far from the fixing member 1 can be abutted to the surface of the cover 22, and a connecting rod is clamped between the cover 22 and the support 23.

Furthermore, three mutually matched clamping grooves 25 are formed in the opposite surfaces of the cover body 22 and the matching support 23, the three clamping grooves 25 are circumferentially distributed at equal intervals along the axis of the fixing screw 21, and the three clamping grooves 25 are different in size and are used for adapting to connecting rods with different diameters; the tight groove 25 of clamp on the lid 22 is arc, joins in marriage tight groove 25 on the support 23 and is the V type, when fixed to the connecting rod, can guarantee the biggest clamp force to a plurality of non slipping spur that distribute along the tight groove 25 length direction equidistance of clamp of fixedly connected with on the tight groove 25 internal surface of clamp on the lid 22, when pressing from both sides tight connecting rod, the non slipping spur that sets up can compress tightly the connecting rod on the surface, prevents that when pressing from both sides tight connecting rod, the connecting rod takes place to rotate.

Perpendicular fixedly connected with cylinder pole 26 on the surface of support 23 is joined in marriage towards to lid 22, and cylinder pole 26 extends towards the direction of joining in marriage support 23 to join in marriage and seted up slot 27 on the surface of support 23 towards lid 22, cylinder pole 26 can peg graft in slot 27, lid 22 with join in marriage support 23 when pressing from both sides tight connecting rod, the cylinder pole 26 of setting can prevent that lid 22 and join in marriage the position of holding from both sides tight groove 25 of the last complex of support 23 from deviating, guarantee lid 22 and join in marriage the tight groove 25 phase-match of the last tight groove 25 of support 23.

Referring to fig. 1 and 2, an anti-rotation block 24 is slidably disposed on the fixing screw 21, the anti-rotation block 24 is located between the fixing member 1 and the mating holder 23, and one side of the anti-rotation block 24 facing the fixed part 1 is in a concave arc shape so as to be matched with the rotation block 12, one side of the anti-rotation block 24 far away from the fixed part 1 is matched with the matching support 23, the surfaces of the anti-rotation block 24 opposite to the matching support 23 are fixedly connected with a plurality of mouse teeth 28, the plurality of mouse teeth 28 are distributed at equal intervals along the axial line of the fixing screw 21, the arranged anti-rotation block 24 can be matched with the rotation block 12, when the matching support 23 is prevented from being directly abutted against the rotation block 12, the rotation between the support 23 and the fixing part 1 causes the angle of two adjacent connecting rods not to be fixed, therefore, the purpose of stably fixing the fracture part of the human body cannot be achieved, the arranged mouse teeth 28 can increase the friction force between the support 23 and the anti-rotation block 24, and the stability of the structure after the locking is ensured.

Furthermore, anti-skidding teeth 29 are arranged on the concave arc surfaces matched with the

rotating blocks

24 and 12 and the peripheral surfaces of the two rotating blocks 12, the anti-skidding teeth 29 on the rotating blocks 12 are distributed along the axial line of the connecting shaft 11 in the circumferential direction at equal intervals, the anti-skidding teeth 29 on the rotating blocks 24 and the anti-skidding teeth 29 on the rotating blocks 12 are matched for use, and the support can be prevented from slightly shaking when the position of the human fracture is fixed.

Referring to fig. 1 and 2, the cover is equipped with spring 3 on set screw 21, and spring 3 is located and prevents revolving block 24 and join in marriage and hold in the palm between 23, and 3 one end of spring with prevent revolving block 24 butt, in addition one end with join in marriage and hold in the palm 23 butt, under set screw 21 relaxed state, under the spring 3 elastic force effect, make join in marriage and hold in the palm 23 and can be supported the lid 22 all the time on, can play the effect of prelock to the connecting rod, make things convenient for the operation in the art, avoid the reduction operation time of the repeated operation in the art.

The implementation principle of a multi-purpose fixation clamp of the embodiment of the application is as follows: when the fracture of a human body is required to be fixed, a worker uses a plurality of fixing frames and connecting rods to fix the fracture, when the fracture fixing device is used, the end parts of two adjacent connecting rods are inserted into the clamping groove 25 between the cover body 22 and the matching support 23, then the fixing screws 21 are rotated, the springs 3 are compressed, the cover body 22 and the matching support 23 can be tightly abutted to the fixing part 1, and therefore the purpose of fixing the two adjacent connecting rods is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a multi-purpose fixation clamp which characterized in that: the clamping device comprises a fixing part (1) and clamping pieces (2) symmetrically arranged at two ends of the fixing part (1), wherein the clamping pieces (2) are used for fixing a connecting rod, the clamping pieces (2) are detachably connected to the fixing part (1), and the two clamping pieces (2) can rotate around the fixing part (1);

the fixing piece (1) comprises a vertically arranged connecting shaft (11) and a pair of rotating blocks (12) symmetrically arranged at two ends of the connecting shaft (11), the rotating blocks (12) are in threaded connection with the end part of the connecting shaft (11), a pair of rotating blocks (13) are symmetrically arranged at two sides of the connecting shaft (11), the two rotating blocks (13) are positioned between the two rotating blocks (12), grooves (14) which are coaxial with the axis of the connecting shaft (11) and are annular are formed in the surfaces of the two rotating blocks (12), and two ends of each rotating block (13) are rotatably arranged in the grooves (14);

clamping piece (2) include one end and turning block (13) threaded connection's set screw (21) and slip lid (22) and join in marriage and hold in the palm (23) of setting on set screw (21), join in marriage and hold in the palm (23) and be located the one end that is close to mounting (1), the one end that mounting (1) was kept away from in set screw (21) can compress tightly lid (22), join in marriage and hold in the palm (23) and can be buttressed on mounting (1), lid (22) with join in marriage and be used for pressing from both sides tight connecting rod between holding in the palm (23).

2. The multipurpose retainer clip of claim 1, further comprising: three clamping grooves (25) which are practical and matched are respectively formed in the surfaces, opposite to the cover body (22) and the matching support (23), of the cover body, and the sizes of the three clamping grooves (25) are different.

3. The multipurpose retainer clip of claim 1, further comprising: the surface of the cover body (22) facing the distribution support (23) is vertically and fixedly connected with a cylindrical rod (26), the surface of the distribution support (23) facing the cover body (22) is provided with a slot (27) corresponding to the cylindrical rod (26), and the cylindrical rod (26) is inserted into the slot (27).

4. The multipurpose retainer clip of claim 1, further comprising: the one end that set screw (21) are close to mounting (1) slides and is provided with and prevents revolving block (24), prevent revolving block (24) one side and rotatory piece (12) cooperation, prevent revolving block (24) other one side and join in marriage and hold in the palm (23) cooperation, prevent revolving block (24) and join in marriage and all be provided with a plurality of mouse teeth (28) on the relative surface of holding in the palm (23), it is a plurality of the axis circumference equidistance distribution of set screw (21) is followed in mouse teeth (28).

5. The multipurpose retainer clip of claim 1, further comprising: the cover is equipped with spring (3) on set screw (21), spring (3) are located and prevent revolving block (24) and join in marriage and hold in the palm between (23), and spring (3) one end with prevent revolving block (24) butt, in addition one end with join in marriage and hold in the palm (23) butt.

6. The multipurpose retainer clip of claim 1, further comprising: anti-skidding teeth (29) are arranged on the surfaces attached between the rotating block (12) and the anti-rotating block (24).

7. The multipurpose retainer clip of claim 1, further comprising: the clamping groove (25) on the cover body (22) is arc-shaped, the clamping groove (25) on the support (23) is V-shaped, and anti-skidding blocks are uniformly arranged on the inner surface of the clamping groove (25) on the cover body (22).