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Built-in skeleton fixing device

A bone fixation and positioning plate technology, applied in the field of medical devices, can solve the problems of large installation location limitations, large installation prestress, and no suitable installation location, etc., to reduce the pain of implantation, reduce installation prestress, and limitations sex-reducing effect

Inactive Publication Date: 2018-08-03
芜湖启泽信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When the existing retainer is installed with a fixed bracket, the installation position is relatively limited, and there is no suitable installation position. into pain

Method used

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  • Built-in skeleton fixing device

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Embodiment Construction

[0012] The technical solutions of the present invention will be described in detail below, but the protection scope of the present invention is not limited to the examples.

[0013] Such as figure 1 As shown, a kind of built-in bone fixation device of the present invention comprises U-shaped positioning plate 1, U-shaped guard plate 2 and bolt 3, and both ends of U-shaped guard plate 2 are all opened with U-shaped groove 4, and the width of U-shaped groove 4 is Slightly larger than the diameter of the bolt 3, the thickness of the U-shaped groove 4 of the U-shaped guard plate 2 is smaller than that of the two sides of the U-shaped guard plate 2, and the vertical distance between the two side walls of the U-shaped positioning plate 1 is an interference fit with the width of the base 5 of the bolt 3 , the thickness of the bottom surface of the U-shaped positioning plate 1 is less than the thickness of the side wall of the U-shaped positioning plate 1, the height of the side wall ...

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Abstract

The invention discloses a built-in skeleton fixing device which comprises a U-shaped positioning plate, a U-shaped protective plate and bolts. U-shaped grooves are formed in two ends of the U-shaped protective plate, the width of the U-shaped grooves is slightly greater than the diameter of the bolt, the thickness at the U-shaped grooves of the U-shaped protective plate is smaller than that of thetwo side portions of the U-shaped protective plate, the vertical distance between two side walls of the U-shaped positioning plate is interference fit with the width of bases of the bolts, the thickness of the bottom surface of the U-shaped positioning plate is smaller than that of the side wall of the U-shaped positioning plate, the height of the side wall of the U-shaped protective plate is smaller than that of the side wall of the U-shaped positioning plate, and the U-shaped protective plate is arranged in a U-shaped positioning plate accommodating cavity. The symmetrically accumulated tolerance of the built-in skeleton fixing device can be adjusted through the distances among the U-shaped positioning plate, the U-shaped protective plate and the bolts, an installing prestressing forceis decreased, and the implantation pain degree of a patient is greatly reduced.

Description

technical field [0001] The invention relates to a medical device, in particular to a bone fixation device. Background technique [0002] When the existing fixator is installed with a fixed bracket, the installation position is relatively limited, there is no suitable installation position, the fixed bracket is difficult to arrange, and the accumulated tolerance of the system cannot be adjusted, resulting in excessive installation prestress and increasing the patient's implant pressure. into pain. Contents of the invention [0003] Purpose of the invention: The purpose of the present invention is to provide a built-in bone fixation device for the shortcomings of the prior art, which is convenient to use. [0004] Technical solution: A built-in bone fixation device of the present invention includes a U-shaped positioning plate, a U-shaped guard plate and bolts. Both ends of the U-shaped guard plate are provided with U-shaped grooves, and the width of the U-shaped groove is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/80A61B17/86
CPCA61B17/80A61B17/808A61B17/86
Inventor 曾伟宏
Owner 芜湖启泽信息技术有限公司
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