Device for bending bone plate in same plane

An internal bending, coplanar technology, applied in the direction of internal bone synthesis, external plate, fixator, etc., can solve the problems of deviation, rotation through a certain angle, and the effect of bone plate cannot be guaranteed, and achieve the same effect.

Pending Publication Date: 2020-06-19
CHUANG MEI DE MEDICAL DEVICE TIANJIN CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, in the process of the user manually applying force to the bending rods, it is generally impossible to ensure that the two ben

Method used

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  • Device for bending bone plate in same plane
  • Device for bending bone plate in same plane
  • Device for bending bone plate in same plane

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Embodiment Construction

[0019] The technical solution of the present invention will be described in detail below with reference to the drawings and specific embodiments.

[0020] like Figure 1 to Figure 3 As shown, the device for bending bone plates in the same plane of the present invention includes bending rods 1 arranged in pairs, and the head ends 1a of the bending rods are respectively provided with a limit force structure. The force structure cooperates to apply force to the tail end 1b of the bending rod to drive the deformation of the bone plate. It also includes a bending cover 2. The bending cover is a hollow hexahedral structure. The hollow structure is conducive to weight reduction. The front of the bending cover The surface and the rear surface are parallel to each other, the front surface of the bending cover is provided with a front movable limit hole 3, the rear surface of the bending cover is provided with a rear movable limit hole (not shown), and the main shaft of the front movabl...

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Abstract

A device for bending a bone plate in the same plane comprises bending rods and a bending cover, wherein the bending rods arranged in pairs penetrate through the bending cover, limiting force adding structures are arranged at the head ends of the bending rods, and the bone plate is restrained by the limiting force adding structures; the bending rods are limited by front and rear movable limiting holes of the front and rear surfaces of the hollow bending cover or limited by the movable limiting holes penetrating through the solid bending cover; and when a user operates the tail ends of the bending rods, the motion ranges of the two bending rods are in the same plane, so it is ensured that the bone plate fixed at the head ends of the bending rods does not deflect or rotate during bending to guarantee that the bending of the bone plate is consistent with the expected effect, and bending processing of the bone plate is facilitated.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to a device for bending bone plates in the same plane. Background technique [0002] When performing treatment and reduction of the fracture site, bone plates and fixation screws are usually used to fix the bones, and most bone plates are made of forging and casting materials, such as metal or metal alloys. The advantage is that the shape of the plate can be modified to allow for a closer contact with the bone surface, but since the shape of the bone surface is often complex, it may often be necessary to bend the plate separately along the three major axes to provide a plate profile, More closely match the anatomical surface on field application. [0003] Most instruments used to bend the shape of a plate use a form of lever to amplify the force applied to bend the strong metal plate. The general bending tool is usually a pair of planar rods with a given length, and the ...

Claims

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Application Information

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IPC IPC(8): B21D5/00A61B17/80
CPCA61B17/80B21D5/00
Inventor 潘兵辉
Owner CHUANG MEI DE MEDICAL DEVICE TIANJIN CO LTD
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