Low-stress longitudinal compression bone fracture plate

Abstract

The utility model discloses a low-stress longitudinal pressurizing bone fracture plate which comprises a fixing plate, a mounting hole is formed in the fixing plate, a pressurizing hole is formed in the fixing plate, a sliding seat is slidably connected in the fixing plate in a sleeved mode, a rotating seat is rotatably connected in the sliding seat, an inner hexagonal groove is formed in the rotating seat, and a connecting rod is arranged in the inner hexagonal groove. The bottom of the rotating seat is fixedly connected with a rotating shaft, the rotating shaft is rotationally connected with the sliding seat through a bearing, and the outer side of the rotating shaft is connected with a connecting sleeve through threads. By designing the effect of the rotating seat, a tool is inserted into the inner hexagonal groove in a matched mode to drive the rotating seat to rotate, then rotation of the rotating shaft can be achieved, threaded movement of the connecting sleeve can be achieved through threaded connection of the rotating shaft and the connecting sleeve, and then movement of the pressurizing block can be achieved. The pressurizing block can penetrate out of the sliding seat and penetrate through the pressurizing hole to achieve longitudinal pressurizing work, and operation is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bone plate, concretely to a low stress longitudinal compression bone plate. BACKGROUND

[0002] Bone plate is a kind of medical instrument for fracture treatment, usually made of metal (such as titanium alloy) or biodegradable material. Bone plate is used to fix the broken end of fracture, help fracture healing and keep the correct position of the skeleton.

[0003] The utility model discloses a low stress metal locking bone plate, including the mainboard, the middle part of mainboard is provided with two countersunk head screw holes, the mainboard is evenly provided with a plurality of positioning screw holes located the both sides of countersunk head screw hole along the length direction of itself, two the countersunk head screw hole is penetrated with two stress relief holes, two stress relief holes are communicated through stress relief groove, and the both ends of stress relief groove are tangent with adjacent stress relief holes. With the cooperation of stress relief groove and stress relief hole, the stress of mainboard is rapidly dispersed, and the service life is prolonged.

[0004] In the above prior art, it is inconvenient to longitudinally press the bone plate during the use of the bone plate, and there is certain limitation in its use. Therefore, improvement is needed. UTILITY MODEL CONTENTS

[0005] The utility model discloses a low stress longitudinal compression bone plate, solve the inconvenient problem of longitudinal compression to bone plate.

[0006] To achieve the above object, the utility model provides the following technical scheme: a low stress longitudinal compression bone plate, including fixed plate, the inside of fixed plate is set up with mounting hole, the inside of fixed plate is set up with compression hole, the inside of fixed plate is slidably connected with slide base, the inside of slide base is rotatably connected with rotating seat, the inside of rotating seat is set up with internal hexagonal groove, the bottom of rotating seat is fixedly connected with the rotating shaft, the rotating shaft is rotatably connected with slide base through bearing, the outside of rotating shaft is connected with connecting sleeve through screw thread, connecting sleeve is slidably connected with slide base, the bottom of connecting sleeve is fixedly connected with compression block, compression block is slidably connected with slide base, the outside of connecting sleeve is fixedly connected with guide block, guide block is slidably connected with slide base, the inside of fixed plate is set up with stress relief hole, and the slide base is provided with adjusting mechanism.

[0007] Preferably, the number of mounting holes is two, and the two mounting holes are symmetrically distributed in the inside of the fixed plate. By designing the mounting hole, the mounting and fixing of the overall structure of the fixed plate can be realized.

[0008] Preferably, the number of pressurizing holes is multiple, and the multiple pressurizing holes are uniformly distributed inside the fixed plate.

[0009] Preferably, a guide groove is arranged inside the sliding base, and a guide block is slidably connected inside the guide groove.

[0010] Preferably, the adjusting mechanism comprises an inclined groove, the fixed plate is internally provided with the inclined groove, the inclined groove is internally slidably connected with an inclined block, the inclined block is slidably connected with the sliding base, one end of the inclined block away from the inclined groove is fixedly connected with a sliding block, the sliding block is slidably connected with the sliding base, two symmetrically distributed fixed rods are slidably sleeved inside the sliding block, the fixed rods are fixedly connected with the sliding base, and springs are arranged on the outer sides of the fixed rods.

[0011] Preferably, the number of inclined grooves is multiple, and the multiple inclined grooves are uniformly distributed inside the fixed plate.

[0012] Preferably, one end of the spring is fixedly connected with the sliding block, and the other end of the spring is fixedly connected with the sliding base.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a rotating seat is designed through the action, and through the tool cooperation insertion inside the internal hexagonal groove can drive the rotating seat rotation, and then can realize the rotation of the rotating shaft, and through the threaded connection of the rotating shaft and the connecting sleeve can realize the threaded motion of the connecting sleeve, and then can realize the movement of the pressurizing block, and the pressurizing block can pass out the sliding base and penetrate the pressurizing hole and realize the longitudinal pressure work, and the operation is convenient and fast.

[0015] 2、The utility model discloses the insertion of the inclined block and the inclined groove can position the sliding base, can fix the relative position of the sliding base and the fixed plate, and through the sliding base movement can realize the insertion cooperation of the inclined block and the inclined groove at different positions, and then can adjust and fix the relative position of the sliding base and the fixed plate, and the pressurizing position is conveniently adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure of the utility model Figure 1 ;

[0017] Figure 2 It is the overall structure of the utility model Figure 2 ;

[0018] Figure 3The utility model discloses Figure 1 A front view of the slide;

[0019] Figure 4 The utility model discloses Figure 1 A bottom view of the slide;

[0020] Figure 5 The utility model discloses Figure 4 The enlarged view of A.

[0021] In the figure: 1, fixed plate, 2, mounting hole, 3, pressurizing hole, 4, slide, 5, rotating seat, 6, internal hexagonal groove, 7, rotating shaft, 8, connecting sleeve, 9, adjusting mechanism, 10, pressurizing block, 11, guide block, 12, guide groove, 13, stress relief hole, 91, inclined groove, 92, inclined block, 93, sliding block, 94, fixed rod, 95, spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the range protected by the utility model.

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 A low stress longitudinal pressurizing bone plate, including fixed plate 1, the inside of fixed plate 1 is set with mounting hole 2, the number of mounting hole 2 is two, two mounting holes 2 are symmetrically distributed in the inside of fixed plate 1, by designing mounting hole 2, the mounting and fixing of the overall structure of fixed plate 1 can be realized, the inside of fixed plate 1 is set with pressurizing hole 3, the number of pressurizing hole 3 is multiple, multiple pressurizing holes 3 are evenly distributed in the inside of fixed plate 1, by designing multiple pressurizing holes 3, pressurizing block 10 can be worn from the pressurizing hole 3 of different positions, the inside of fixed plate 1 is slidably sleeved with slide 4.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3The inner part of the sliding base 4 is rotationally connected with a rotating base 5, the inner part of the rotating base 5 is provided with an inner hexagonal groove 6, the bottom of the rotating base 5 is fixedly connected with a rotating shaft 7, the rotating shaft 7 is rotationally connected with the sliding base 4 through a bearing, the outer side of the rotating shaft 7 is threadedly connected with a connecting sleeve 8, the connecting sleeve 8 is slidably connected with the sliding base 4, the bottom of the connecting sleeve 8 is fixedly connected with a pressing block 10, the pressing block 10 is slidably connected with the sliding base 4, the outer side of the connecting sleeve 8 is fixedly connected with a guide block 11, the guide block 11 is slidably connected with the sliding base 4, the inner part of the sliding base 4 is provided with a guide groove 12, the guide groove 12 is slidably connected with the guide block 11, the inner part of the fixed plate 1 is provided with a stress relief hole 13, and the sliding base 4 is provided with an adjusting mechanism 9.

[0025] Please refer to Figure 1 、 Figure 4 、 Figure 5 , the adjusting mechanism 9 comprises a plurality of inclined grooves 91, the inner part of the fixed plate 1 is provided with the inclined grooves 91, the inner part of the inclined grooves 91 is slidably connected with an inclined block 92, the number of the inclined grooves 91 is multiple, and the multiple inclined grooves 91 are evenly distributed in the inner part of the fixed plate 1, the multiple inclined grooves 91 are designed, so that the inclined block 92 can be slid into the inner part of the inclined groove 91 in different positions, the inclined block 92 is slidably connected with the sliding base 4, the end, away from the inclined groove 91, of the inclined block 92 is fixedly connected with a sliding block 93, the sliding block 93 is slidably connected with the sliding base 4, the inner part of the sliding block 93 is slidably sleeved with two fixed rods 94 which are symmetrically distributed, the fixed rods 94 are fixedly connected with the sliding base 4, the outer side of the fixed rods 94 is provided with springs 95, one end of the springs 95 is fixedly connected with the sliding block 93, the other end of the springs 95 is fixedly connected with the sliding base 4, the springs 95 are designed, so that the acting force of the springs 95 can act on the sliding block 93, and the adjusting mechanism 9 is designed, so that the position of the sliding base 4 can be adjusted.

[0026] The specific implementation process of the utility model is as follows: when using, when longitudinal pressing work is needed, first, insert the hexagonal tool into the inner hexagonal groove 6 in the inner part of the rotating base 5, then rotate the rotating base 5, the rotating base 5 drives the rotating shaft 7 to rotate, the rotating shaft 7 is threadedly connected with the connecting sleeve 8, so that the connecting sleeve 8 does threaded motion, the connecting sleeve 8 drives the guide block 11 to slide along the guide groove 12, then the connecting sleeve 8 drives the pressing block 10 to move, the pressing block 10 extends out of the inner part of the sliding base 4, then the pressing block 10 penetrates through the pressing hole 3, and longitudinal pressing work can be realized, which is convenient and fast.

[0027] When the dosing position needs to be adjusted, the slide 4 is directly pushed to move, the slide 4 drives the inclined block 92 to move, the inclined block 92 slides along the inclined surface of the inclined groove 91, the inclined block 92 is extruded and pushed to slide to the inside of the slide 4, the inclined block 92 drives the sliding block 93 to move, the sliding block 93 slides along the fixed rod 94, the sliding block 93 extrudes the spring 95, the inclined block 92 can be separated from the inclined groove 91, along with the horizontal sliding of the slide 4, the spring 95 provides an outward pushing force to the sliding block 93 under the elastic action, the inclined block 92 is pushed to reset, the inclined block 92 is inserted into the inside of the inclined groove 91 at another position, the inclined block 92 can be inserted and matched with the inclined groove 91 at different positions, and then the relative position between the slide 4 and the fixed plate 1 can be adjusted and fixed, so that the pressure position can be conveniently adjusted.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A low-stress, longitudinal compression bone plate comprising a fixation plate (1), characterized in that: The inside of the fixed plate (1) is provided with a mounting hole (2), the inside of the fixed plate (1) is provided with a pressurizing hole (3), the inside of the fixed plate (1) is provided with a sliding seat (4), the inside of the sliding seat (4) is rotatably connected with a rotating seat (5), the inside of the rotating seat (5) is provided with an internal hexagonal groove (6), the bottom of the rotating seat (5) is fixedly connected with a rotating shaft (7), the rotating shaft (7) is rotatably connected with the sliding seat (4) through a bearing, the outer side of the rotating shaft (7) is threadedly connected with a connecting sleeve (8), the connecting sleeve (8) is slidably connected with the sliding seat (4), the bottom of the connecting sleeve (8) is fixedly connected with a pressurizing block (10), the pressurizing block (10) is slidably connected with the sliding seat (4), the outer side of the connecting sleeve (8) is fixedly connected with a guide block (11), the guide block (11) is slidably connected with the sliding seat (4), the inside of the fixed plate (1) is provided with a stress relief hole (13), and the sliding seat (4) is provided with an adjusting mechanism (9).

2. A low-stress, longitudinal compression bone plate as defined in claim 1, wherein: The number of mounting holes (2) is two, and the two mounting holes (2) are symmetrically distributed inside the fixed plate (1).

3. A low-stress, longitudinal compression bone plate as in claim 1, wherein: The number of pressurizing holes (3) is multiple, and the multiple pressurizing holes (3) are evenly distributed inside the fixed plate (1).

4. A low-stress, longitudinal compression bone plate as in claim 1, wherein: The inside of the sliding seat (4) is provided with a guide groove (12), and the inside of the guide groove (12) is slidably connected with a guide block (11).

5. A low-stress, longitudinal compression bone plate as in claim 1, wherein: The adjusting mechanism (9) comprises an inclined groove (91), the inside of the fixed plate (1) is provided with an inclined groove (91), the inside of the inclined groove (91) is slidably connected with an inclined block (92), the inclined block (92) is slidably connected with the sliding seat (4), one end of the inclined block (92) away from the inclined groove (91) is fixedly connected with a sliding block (93), the sliding block (93) is slidably connected with the sliding seat (4), the inside of the sliding block (93) is slidably sleeved with two fixed rods (94) which are symmetrically distributed, the fixed rods (94) are fixedly connected with the sliding seat (4), and the outer side of the fixed rod (94) is provided with a spring (95).

6. A low-stress, longitudinal compression bone plate as defined in claim 5, wherein: The number of inclined grooves (91) is multiple, and the multiple inclined grooves (91) are evenly distributed inside the fixed plate (1).

7. A low-stress, longitudinal compression bone plate as defined in claim 5, wherein: One end of the spring (95) is fixedly connected with the sliding block (93), and the other end of the spring (95) is fixedly connected with the sliding seat (4).

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