CN112690889A - Bone fracture plate bending device - Google Patents

Abstract

The invention discloses a bone plate bending device, comprising: hinging a shaft; the first clamp body is provided with a first shaft hole and a second shaft hole, the first shaft hole penetrates through the first clamp body along the front-back direction, the second shaft hole penetrates through the first clamp body along the left-right direction, the first shaft hole is detachably matched and connected with the articulated shaft or the second shaft hole is detachably matched and connected with the articulated shaft, and a first handle is arranged at the bottom of the first clamp body; the second pincers body, it is equipped with third shaft hole and fourth shaft hole, and the third shaft hole runs through the second pincers body along the fore-and-aft direction, and the fourth shaft hole runs through the second pincers body along controlling the direction, and the cooperation is connected can be dismantled with the articulated shaft in the third shaft hole or the cooperation is connected can be dismantled with the articulated shaft in the fourth shaft hole, and the bottom that the second pincers body is equipped with the second handle. According to the bone plate bending device, the first clamp body and the second clamp body form multiple connection modes through the hinge shaft, so that the bone plate bending device can bend bone plates in multiple directions. The invention can be applied in devices for treating bones or joints.

Description

Bone fracture plate bending device

Technical Field

The invention relates to the field of devices for treating bones or joints, in particular to a bone plate bending device.

Background

The bone fracture plate is used for internal fixation technology of fracture. The bone fracture plate is manufactured according to the shape of the human skeleton, so that the bone fracture plate is attached to the skeleton, and the accurate and reliable fixing effect of the bone fracture plate is achieved. Due to the difference of the shapes of bones at different positions, a bone plate bending device is needed to be used for bending and shaping the bone plate. However, the bending direction of the bone plate bending device of the prior art is relatively single.

Disclosure of Invention

The present invention is directed to a bone plate bender that solves one or more of the problems of the prior art and provides at least one of the advantages of the present invention.

The technical scheme adopted for solving the technical problems is as follows:

a bone plate bender, comprising:

hinging a shaft;

the first clamp body is provided with a first shaft hole and a second shaft hole, the first shaft hole penetrates through the first clamp body along the front-back direction, the second shaft hole penetrates through the first clamp body along the left-right direction, the first shaft hole is detachably matched and connected with the articulated shaft or the second shaft hole is detachably matched and connected with the articulated shaft, and a first handle is arranged at the bottom of the first clamp body;

the second pincers body, it is equipped with third shaft hole and fourth shaft hole, the third shaft hole runs through along the fore-and-aft direction the second pincers body, the fourth shaft hole runs through along controlling the direction the second pincers body, the third shaft hole with the articulated shaft can be dismantled the cooperation and be connected or the fourth shaft hole with the articulated shaft can be dismantled the cooperation and be connected, the bottom of the second pincers body is equipped with the second handle.

The invention has the beneficial effects that: the first shaft hole or the second shaft hole of the first clamp body can be detachably matched and connected with the hinged shaft, the third shaft hole or the fourth shaft hole of the second clamp body can be detachably matched and connected with the hinged shaft, the bone fracture plate is placed between the first clamp body and the second clamp body, the first handle and the second handle are held by hands, the first clamp body and the second clamp body rotate around the hinged shaft and are mutually close to each other, then the first clamp body and the second clamp body are close to each other and bend the bone fracture plate, the first clamp body and the second clamp body form multiple connection modes through the hinged shaft, the first clamp body and the second clamp body are reassembled according to different modes after the hinged shaft is disassembled, the bending direction of the bone fracture plate bending device is changed, and bending of the bone fracture plate bending device in multiple directions is achieved.

The bone fracture plate bending device can clamp and bend bone fracture plates with different plate thicknesses, plate widths or contour sizes, has good universality, and realizes the function of bending in multiple directions through the change of the assembly form of the articulated shaft, the first clamp body and the second clamp body.

As a further improvement of the above technical solution, the hinge shaft is detachably connected to the first shaft hole and the third shaft hole or the hinge shaft is detachably connected to the second shaft hole and the fourth shaft hole in a matching manner.

The first shaft hole of the first pincers body is connected with the third shaft hole of the second pincers body through the hinged shaft, or the second shaft hole of the first pincers body is connected with the fourth shaft hole of the second pincers body through the hinged shaft, the types of the connection forms of the first pincers body and the second pincers body are reduced, the connection forms of the first pincers body and the second pincers body are simplified, and therefore the first pincers body, the second pincers body and the hinged shaft are detached and installed more clearly and conveniently.

As a further improvement of the above technical solution, the front side of the first caliper body is a first front side, the front and rear sides of the second caliper body are a second front side and a second back side, respectively, the second front side is provided with a shaft seat, the shaft seat protrudes forward, the fourth shaft hole is arranged on the shaft seat, the second front side is provided with a pressing block, and the pressing block protrudes forward;

the articulated shaft is detachably matched and connected with the second shaft hole and the fourth shaft hole, and the first front face is opposite to the second front face;

or, the articulated shaft can be dismantled the cooperation and connect in first shaft hole with the third shaft hole, first front is just right the second back.

The second of the second pincers body openly is equipped with the axle bed, when the articulated shaft cooperation is connected in second axle hole and fourth shaft hole, the first front of the first pincers body is just positive to the second, the briquetting cooperates with first front in order to bend the coaptation board, when the articulated shaft cooperation is connected in first axle hole and third shaft hole, first front is just to the second back, the first pincers body cuts the coaptation board around the articulated shaft with the second pincers body and forms the effect of bending, thereby make the dismantlement and the installation between the first pincers body, the second pincers body, the articulated shaft more clear convenient.

As a further improvement of the above technical solution, the pressing block is detachably connected to the second front surface.

The briquetting can be dismantled and connect in the second openly to make the briquetting be convenient for change.

As a further improvement of the technical scheme, the rear side face of the pressing block is provided with a connecting column, the front face of the second pressing block is provided with a connecting hole, and the connecting column is detachably connected with the connecting hole.

The briquetting passes through the spliced pole and can dismantle with first positive connecting hole and be connected for the rigidity of briquetting is difficult not hard up, thereby guarantees the effect of bending.

As a further improvement of the above technical solution, a direction of the first front surface is a front direction of the first caliper body, a first clamping groove is formed in an outer wall of a left side of the first caliper body, the first clamping groove penetrates through the first caliper body along a front-back direction, a position of the second front surface corresponding to the second back surface is a front direction of the second caliper body, a second clamping groove is formed in an outer wall of a right side of the second caliper body, the second clamping groove penetrates through the second caliper body along the front-back direction, and when the hinge shaft is connected to the second shaft hole and the fourth shaft hole in a matching manner, the first clamping groove is communicated with the second clamping groove.

When the articulated shaft cooperation is connected in second shaft hole and fourth shaft hole, the first draw-in groove of the first pincers body and the second draw-in groove intercommunication of the second pincers body place the coaptation board in first draw-in groove and second draw-in groove, hold first handle and second handle, make the second pincers body rotate around the articulated shaft to make the second draw-in groove rotate for first draw-in groove, thereby make second draw-in groove and first draw-in groove coaptation board of bending.

As a further improvement of the above technical solution, the first clamping groove is provided with a first adjusting block, the first adjusting block is detachably connected to the inner side wall of the first clamping groove, the distance between the first adjusting block and another inner side wall of the first clamping groove is adjustable, the second clamping groove is provided with a second adjusting block, the second adjusting block is detachably connected to the inner side wall of the second clamping groove, and the distance between the second adjusting block and another inner side wall of the second clamping groove is adjustable.

The bone fracture plate is placed in the first clamping groove and the second clamping groove, the distance between the first adjusting block and the inner side wall right opposite to the first adjusting block is adjusted according to the width of the bone fracture plate, the bone fracture plate is fastened in the first clamping groove through the first adjusting block, the distance between the second adjusting block and the inner side wall right opposite to the second adjusting block is adjusted, and the bone fracture plate is fastened in the second clamping groove through the second adjusting block, so that the bone fracture plate is firmly clamped in the first clamping groove and the second clamping groove.

As a further improvement of the above technical solution, a third clamping groove is formed in an outer wall of a left side of the second clamp body, the third clamping groove penetrates through the second clamp body along a front-rear direction, and when the hinge shaft is connected to the first shaft hole and the third shaft hole in a matching manner, the third clamping groove is communicated with the first clamping groove.

When the articulated shaft cooperation is connected in first shaft hole and third shaft hole, the first draw-in groove of the first pincers body and the third draw-in groove intercommunication of the second pincers body place the coaptation board in first draw-in groove and third draw-in groove, hold first handle and second handle, rotate the second pincers body around the articulated shaft to make the third draw-in groove rotate for first draw-in groove, make third draw-in groove and first draw-in groove coaptation board of bending.

As a further improvement of the above technical solution, the first handle is bent toward the rear of the first forceps body.

The first handle of the first pincers body is buckled backward, be convenient for distinguish first pincers body and the second pincers body, and hold first handle and make first pincers body rotate for the second pincers body, if the articulated shaft cooperation is connected in second axle hole and fourth axle hole, then form laborsaving lever between first handle and the articulated shaft, if the articulated shaft cooperation is connected in first axle hole and third axle hole, first handle is held to one hand, the second handle is held to the other hand, because first handle staggers each other with the second handle, the crisscross power of having an effect of both hands, thereby make the both hands better give an emergency, help improving the dynamics of bending of first pincers body and the second pincers body.

As a further improvement of the above technical solution, the first front surface is provided with a concave cavity, the second shaft hole penetrates through a side wall of the concave cavity in the left-right direction, and when the hinge shaft is connected to the second shaft hole and the fourth shaft hole in a matching manner, the shaft seat is inserted into the concave cavity.

When the articulated shaft cooperation is connected in second axle hole and fourth shaft hole, during the axle bed on the second pincers body was installed the cavity on the first front, utilized the cavity to carry on spacingly to the axle bed to make the connection between the first pincers body and the second pincers body more firm.

Drawings

The invention is further described with reference to the accompanying drawings and examples;

FIG. 1 is an axial view of an embodiment of a bone plate bender according to the present invention, wherein a hinge shaft is cooperatively connected to a second axial bore and a fourth axial bore;

FIG. 2 is an axial view of another embodiment of the bone plate bender of the present invention, wherein the hinge axis is cooperatively connected to the second and fourth axis holes;

FIG. 3 is an assembled view of an embodiment of the bone plate bender of the present invention, wherein the hinge shaft is cooperatively connected to the second shaft hole and the fourth shaft hole;

FIG. 4 is an axial view of an embodiment of the bone plate bender of the present invention in which the hinge shaft is cooperatively connected to the first shaft hole and the third shaft hole;

FIG. 5 is a schematic view of another angle of assembly of an embodiment of the bone plate bender of the present invention, wherein the hinge shaft is cooperatively connected to the first shaft hole and the third shaft hole;

FIG. 6 is a schematic axial view of a first clamp of an embodiment of the bone plate bender of the present invention;

FIG. 7 is an axial view of another angle of the first clamp body of an embodiment of the bone plate bender of the present invention;

FIG. 8 is an axial view of a second clamp of an embodiment of the bone plate bender of the present invention;

fig. 9 is an axial view of another angle of the second clamp body in an embodiment of the bone plate bender according to the present invention.

100. The clamp comprises a first clamp body, 101, a first front face, 110, a first shaft hole, 120, a second shaft hole, 130, a first handle, 140, a first clamping groove, 141, a first adjusting block, 150, a concave cavity, 200, a second clamp body, 201, a second front face, 202, a second back face, 203, a connecting hole, 210, a third shaft hole, 220, a fourth shaft hole, 230, a second handle, 240, a shaft seat, 250, a pressing block, 251, a connecting column, 260, a second clamping groove, 261, a second adjusting block, 270, a third clamping groove, 300 and a hinged shaft.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are described, the meaning is one or more, the meaning of a plurality is two or more, more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1-9, the bone plate bender of the present invention is made as follows:

the bone plate bending device comprises a first clamp body 100, a second clamp body 200 and a hinge shaft 300. The first caliper body 100 is provided with a first shaft hole 110 and a second shaft hole 120, the first shaft hole 110 penetrates through the first caliper body 100 in the front-rear direction, and the second shaft hole 120 penetrates through the first caliper body 100 in the left-right direction. The first handle 130 is disposed at the bottom of the first forceps body 100, and the first shaft hole 110 or the second shaft hole 120 of the first forceps body 100 is detachably connected to the hinge shaft 300 in a matching manner. The second caliper body 200 is provided with a third shaft hole 210 and a fourth shaft hole 220, the third shaft hole 210 penetrates through the second caliper body 200 in the front-rear direction, and the fourth shaft hole 220 penetrates through the second caliper body 200 in the left-right direction. The bottom of the second forceps body 200 is provided with a second handle 230, and the third shaft hole 210 or the fourth shaft hole 220 of the second forceps body 200 is detachably connected to the hinge shaft 300 in a matching manner. There are eight assembling forms of the hinge shaft 300, the first caliper body 100 and the second caliper body 200, for example: if the hinge shaft 300 is connected to the first shaft hole 110 and the third shaft hole 210 in a matching manner, the second clamp body 200 is exchanged back and forth to form two assembling forms; if the hinge shaft 300 is connected to the first shaft hole 110 and the fourth shaft hole 220 in a matching manner, the second caliper body 200 is exchanged left and right to form two assembling forms; if the hinge shaft 300 is connected to the second shaft hole 120 and the third shaft hole 210 in a matching manner, the second caliper body 200 is reversed back and forth to form two assembling forms; if the hinge shaft 300 is connected to the second shaft hole 120 and the fourth shaft hole 220, the second clamp body 200 is exchanged left and right to form two assembling modes. When the bone plate bending device bends a bone plate, the bone plate is placed between the first clamp body 100 and the second clamp body 200, the first handle 130 and the second handle 230 are held by hands, the first clamp body 100 and the second clamp body 200 rotate around the hinge shaft 300 and approach each other, then the first clamp body 100 and the second clamp body 200 approach each other and bend the bone plate, the hinge shaft 300 is disassembled, and then the first clamp body 100 and the second clamp body 200 are assembled according to different modes, so that the bending direction of the bone plate bending device is changed.

In some embodiments, there are various ways in which the hinge shaft 300 is detachably coupled to the first shaft hole 110 or the second shaft hole 120, for example, the hinge shaft 300 is an optical axis, the end of the hinge shaft 300 is provided with an external thread, and the hinge shaft 300 is locked to the end of the hinge shaft 300 by a nut after passing through the first shaft hole 110 or the second shaft hole 120, so that the hinge shaft 300 is inserted into the first shaft hole 110 or the second shaft hole 120, and the first caliper body 100 can rotate around the axis of the hinge shaft 300; or, a pin hole is formed in a side wall of the distal end of the hinge shaft 300, and after the hinge shaft 300 passes through the first shaft hole 110 or the second shaft hole 120, the hinge shaft 300 is inserted into the distal end pin hole of the hinge shaft 300 by using a pin, so that the hinge shaft 300 is inserted into the first shaft hole 110 or the second shaft hole 120, and the first caliper body 100 can rotate around an axis of the hinge shaft 300; or, the end of the hinge shaft 300 is provided with an external thread, and after the end of the hinge shaft 300 passes through the first shaft hole 110 or the second shaft hole 120, the end of the hinge shaft 300 is connected to the third shaft hole 210 or the fourth shaft hole 220 in a threaded manner, so that the first caliper body 100 can rotate around the axis of the hinge shaft 300, and the first caliper body 100 can rotate relative to the second caliper body 200; of course, the manner in which the hinge shaft 300 is detachably coupled to the third shaft hole 210 or the fourth shaft hole 220 may refer to the above-mentioned embodiments.

In some embodiments, the hinge shaft 300 is detachably coupled to the first shaft hole 110 and the third shaft hole 210 or the hinge shaft 300 is detachably coupled to the second shaft hole 120 and the fourth shaft hole 220. The hinge shaft 300, the first caliper body 100 and the second caliper body 200 can be assembled in four ways, for example: if the hinge shaft 300 is connected to the first shaft hole 110 and the third shaft hole 210 in a matching manner, the second clamp body 200 is exchanged back and forth to form two assembling forms; if the hinge shaft 300 is connected to the second shaft hole 120 and the fourth shaft hole 220, the second clamp body 200 is exchanged left and right to form two assembling modes.

In some embodiments, the front side of the first caliper body 100 is a first front surface 101, the front side and the rear side of the second caliper body 200 are a second front surface 201 and a second rear surface 202, respectively, the hinge shaft 300 is detachably connected to the second shaft hole 120 and the fourth shaft hole 220 in a matching manner, and the first front surface 101 faces the second front surface 201, or the hinge shaft 300 is detachably connected to the first shaft hole 110 and the third shaft hole 210 in a matching manner, and the first front surface 101 faces the second rear surface 202, so that the assembly form of the hinge shaft 300, the first caliper body 100 and the second caliper body 200 is two. The second front surface 201 of the second caliper body 200 is provided with a shaft seat 240, the shaft seat 240 protrudes forward of the second front surface 201, and the fourth shaft hole 220 is disposed on the shaft seat 240. The second front surface 201 is provided with a pressing block 250, and the pressing block 250 protrudes forwards. When the hinge shaft 300 is connected to the second shaft hole 120 and the fourth shaft hole 220 in a matching manner, the first front surface 101 of the first forceps body 100 is opposite to the second front surface 201 of the second forceps body 200, so that the first forceps body 100 and the second forceps body 200 rotate around the hinge shaft 300 and approach each other, the bone plate is placed between the pressing blocks 250 of the first front surface 101 and the second front surface 201, and the pressing blocks 250 of the first front surface 101 and the second front surface 201 bend the bone plate. When the hinge shaft 300 is connected to the first shaft hole 110 and the third shaft hole 210 in a matching manner, the first front surface of the first forceps body 100 is opposite to the second back surface 202 of the second forceps body 200, so that the first forceps body 100 rotates around the hinge shaft 300, and the bone plate is placed between the shearing angles of the first forceps body 100 and the second forceps body 200, thereby bending the bone plate between the side surfaces of the first forceps body 100 and the second forceps body 200.

The second front surface 201 can be detachably connected with the pressing block 250 in various ways, for example, screws are screwed into the second front surface 201 after penetrating through the pressing block 250; or, the second front surface 201 is provided with a groove, the groove penetrates through the side wall of the second clamp body 200 along the left-right direction, the inner wall of the groove is provided with a buckling position, the pressing block 250 is arranged in the groove in a sliding manner, the outer wall of the pressing block 250 is provided with a convex block, and the convex block is matched with the buckling position, so that the pressing block 250 is clamped in the groove; or, the second front surface 201 is provided with a connecting rod, the connecting rod is a cylinder, the connecting rod protrudes forwards, the outer wall of the connecting rod is provided with an external thread, the pressing block 250 is provided with a threaded hole, and the pressing block 250 is in threaded connection with the connecting rod.

In some embodiments, the second front surface 201 is provided with a connecting hole 203, the pressing piece 250 is provided with a connecting column 251, the connecting column 251 is inserted into the connecting hole 203, and the connecting column 251 is detachably connected with the connecting hole 203. The connecting column 251 and the connecting hole 203 can be detachably connected in various ways, for example, the connecting column 251 is a cylinder, the outer wall of the connecting column 251 is provided with an external thread, the connecting hole 203 is a circular hole, the inner wall of the connecting hole 203 is provided with an internal thread, and the connecting column 251 is in threaded connection with the connecting hole 203; or, a buckling position is arranged on the inner wall of the connecting hole 203, a buckle is arranged on the outer wall of the connecting column 251, the connecting column 251 is inserted into the connecting hole 203, and the buckle is matched with the buckling position to enable the connecting column 251 to be clamped with the connecting hole 203; or, the connecting hole 203 is a through hole, the connecting hole 203 penetrates through the second caliper body 200 in the front-back direction, the connecting column 251 extends to the second back 202 of the second caliper body 200 after penetrating through the connecting hole 203, the outer wall of the connecting column 251 is provided with external threads, and the connecting column 251 is locked at the tail end of the connecting column 251 at the second back 202 by using a nut.

The first front surface 101 is oriented in the front direction of the first caliper body 100, a first engaging groove 140 is disposed on the outer wall of the left side of the first caliper body 100, and the first engaging groove 140 penetrates through the first caliper body 100 in the front-back direction. The position of the second front surface 201 relative to the second back surface 202 is taken as the front direction of the second caliper body 200, a second engaging groove 260 is arranged on the outer wall of the right side of the second caliper body 200, and the second engaging groove 260 penetrates through the second caliper body 200 along the front-back direction. When the hinge shaft 300 is coupled to the second shaft hole 120 and the fourth shaft hole 220, the first front surface 101 faces the second front surface 201, and the first engaging groove 140 is in front-rear communication with the second engaging groove 260. The bone plate is placed in the first clamping groove 140 and the second clamping groove 260, the first handle 130 is held by hand to rotate the first clamp body 100 around the hinge shaft 300, so that the first clamping groove 140 rotates relative to the second clamping groove 260, and the bone plate is bent by the first clamping groove 140 and the second clamping groove 260.

A first adjusting block 141 is arranged in the first clamping groove 140, the first adjusting block 141 is detachably connected to the inner wall of the upper side of the first clamping groove 140, and the distance between the first adjusting block 141 and the inner wall of the lower side of the first clamping groove 140 is adjustable. The bone plate is placed in the first clamping groove 140, and the first adjusting block 141 is pressed against the bone plate by adjusting the distance between the first adjusting block 141 and the inner wall of the lower side of the first clamping groove 140, so that the first clamping groove 140 clamps the bone plate. A second adjusting block 261 is arranged in the second clamping groove 260, the second adjusting block 261 is detachably connected to the inner wall of the upper side of the second clamping groove 260, and the distance between the second adjusting block 261 and the inner wall of the lower side of the second clamping groove 260 is adjustable. Place the coaptation board in second draw-in groove 260, through the distance between the downside inner wall of adjustment second regulating block 261 and second draw-in groove 260, make second regulating block 261 compress tightly the coaptation board to make second draw-in groove 260 chucking coaptation board, make the coaptation board at last firmly compressed tightly in first draw-in groove 140 and second draw-in groove 260.

A third clamping groove 270 is formed in the outer wall of the left side of the second clamp body 200, and the third clamping groove 270 penetrates through the second clamp body 200 along the front-rear direction. When the hinge shaft 300 is coupled to the first shaft hole 110 and the third shaft hole 210, the first front surface 101 faces the second back surface 202, and the third engaging groove 270 is in communication with the first engaging groove 140 in the front-back direction. The bone plate is placed in the first clamping groove 140 and the third clamping groove 270, the first handle 130 is held by hand to rotate the first clamp body 100 around the hinge shaft 300, the first clamping groove 140 rotates relative to the third clamping groove 270, and the bone plate is bent by the first clamping groove 140 and the third clamping groove 270.

In some embodiments, the first handle 130 is bent toward the rear of the first forceps body 100, and the first handle 130 is unfolded relative to the second handle 230 due to the first front surface 101 of the first forceps body 100 facing the second front surface 201 or the second back surface 202 of the second forceps body 200, so as to be convenient for being held by a human hand. When the hinge shaft 300 is coupled to the first shaft hole 110 and the third shaft hole 210 in a fitting manner, the first handle 130 and the second handle 230 are unfolded, so that the first handle 130 is more easily gripped when rotating around the hinge shaft 300 and both hands do not interfere with each other; when the hinge shaft 300 is connected to the second shaft hole 120 and the fourth shaft hole 220, the first handle 130 and the second handle 230 are unfolded, so that a labor-saving lever is formed among the first handle 130, the first forceps body 100 and the hinge shaft 300, thereby facilitating the application of hand force.

In some embodiments, the first front surface 101 is provided with a cavity 150, the second shaft hole 120 penetrates through the side wall of the cavity 150 in the left-right direction, and when the hinge shaft 300 is connected to the second shaft hole 120 and the fourth shaft hole 220 in a matching manner, the shaft seat 240 is located in the cavity 150, so that the shaft seat 240 is limited by the cavity 150, and the first caliper body 100 and the second caliper body 200 are prevented from being loosened when rotating around the hinge shaft 300.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.

Claims (10)

1. A bone plate bending device is characterized in that: the method comprises the following steps:

a hinge shaft (300);

the first clamp body (100) is provided with a first shaft hole (110) and a second shaft hole (120), the first shaft hole (110) penetrates through the first clamp body (100) along the front-back direction, the second shaft hole (120) penetrates through the first clamp body (100) along the left-right direction, the first shaft hole (110) is detachably matched and connected with the hinge shaft (300) or the second shaft hole (120) is detachably matched and connected with the hinge shaft (300), and a first handle (130) is arranged at the bottom of the first clamp body (100);

the second pincers body (200), it is equipped with third shaft hole (210) and fourth shaft hole (220), third shaft hole (210) are followed the fore-and-aft direction and are run through the second pincers body (200), fourth shaft hole (220) are followed left right direction and are run through the second pincers body (200), third shaft hole (210) with articulated shaft (300) can be dismantled the cooperation and be connected or fourth shaft hole (220) with articulated shaft (300) can be dismantled the cooperation and be connected, the bottom of the second pincers body (200) is equipped with second handle (230).

2. A bone plate bender according to claim 1, wherein: the hinge shaft (300) can be detachably connected with the first shaft hole (110) and the third shaft hole (210) in a matched mode or the hinge shaft (300) can be detachably connected with the second shaft hole (120) and the fourth shaft hole (220) in a matched mode.

3. A bone plate bender according to claim 2, wherein: the front side surface of the first clamp body (100) is a first front surface (101), the front side surface and the rear side surface of the second clamp body (200) are a second front surface (201) and a second back surface (202) respectively, the second front surface (201) is provided with a shaft seat (240), the shaft seat (240) protrudes forwards, the fourth shaft hole (220) is arranged on the shaft seat (240), the second front surface (201) is provided with a pressing block (250), and the pressing block (250) protrudes forwards;

the hinge shaft (300) is detachably connected to the second shaft hole (120) and the fourth shaft hole (220) in a matched manner, and the first front surface (101) is opposite to the second front surface (201);

or, the hinge shaft (300) is detachably connected to the first shaft hole (110) and the third shaft hole (210) in a matching manner, and the first front surface (101) is opposite to the second back surface (202).

4. A bone plate bender according to claim 3, wherein: the pressing block (250) is detachably connected to the second front surface (201).

5. A bone plate bender according to claim 4, wherein: the rear side face of the pressing block (250) is provided with a connecting column (251), the second front face (201) is provided with a connecting hole (203), and the connecting column (251) is detachably connected with the connecting hole (203).

6. A bone plate bender according to claim 3, wherein: the direction of the first front face (101) is taken as the front direction of the first caliper body (100), a first clamping groove (140) is formed in the outer wall of the left side of the first caliper body (100), the first clamping groove (140) penetrates through the first caliper body (100) in the front-back direction, the position, corresponding to the second back face (202), of the second front face (201) is taken as the front direction of the second caliper body (200), a second clamping groove (260) is formed in the outer wall of the right side of the second caliper body (200), the second clamping groove (260) penetrates through the second caliper body (200) in the front-back direction, and when the hinge shaft (300) is connected to the second shaft hole (120) and the fourth shaft hole (220) in a matched mode, the first clamping groove (140) is communicated with the second clamping groove (260).

7. A bone plate bender according to claim 6, wherein: first draw-in groove (140) are equipped with first regulating block (141), first regulating block (141) can dismantle connect in on the inside wall of first draw-in groove (140), first regulating block (141) with distance between another inside wall of first draw-in groove (140) is adjustable, second draw-in groove (260) are equipped with second regulating block (261), second regulating block (261) can dismantle connect in on the inside wall of second draw-in groove (260), second regulating block (261) with distance between another inside wall of second draw-in groove (260) is adjustable.

8. A bone plate bender according to claim 6, wherein: a third clamping groove (270) is formed in the outer wall of the left side of the second clamp body (200), the third clamping groove (270) penetrates through the second clamp body (200) in the front-back direction, and when the hinge shaft (300) is connected to the first shaft hole (110) and the third shaft hole (210) in a matched mode, the third clamping groove (270) is communicated with the first clamping groove (140).

9. A bone plate bender according to claim 3, wherein: the first handle (130) is bent towards the rear of the first clamp body (100).

10. A bone plate bender according to claim 3, wherein: the first front surface (101) is provided with a concave cavity (150), the second shaft hole (120) penetrates through the side wall of the concave cavity (150) in the left-right direction, and when the hinge shaft (300) is connected to the second shaft hole (120) and the fourth shaft hole (220) in a matched mode, the shaft seat (240) is inserted into the concave cavity (150).

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