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Bone plate screw structure

A screw and bone plate technology, which is applied in the field of medical clinical internal surgical instruments, can solve the problems of single clinical function, inability to solve bone plate adaptability, inability to swing, etc., and achieve the effect of solving adaptability

Inactive Publication Date: 2016-05-25
无锡市闻泰百得医疗器械有限公司
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0002] Bone plate is an instrument used to fix the bones in the human body in clinical medicine to maintain bone alignment. The bone plate needs to be designed into different shapes according to the anatomical structure of the human bone, and the bone plate needs to be fixed with screws. Fixed on the bones of the human body, the heads of existing bone plate screws are all conical or spherical, and their clinical functions are relatively simple. Conical screws can lock the screw and bone plate together, but they cannot swing at various angles. The holes can swing at various angles but cannot lock the screw and the bone plate together, which cannot solve the adaptability of various bone plates

Method used

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  • Bone plate screw structure

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Embodiment Construction

[0008] See figure 1 , a bone plate screw structure, which includes a bone plate screw body 1, the bone plate screw body 1 includes a screw head 2 and a threaded portion 3 of the screw, the screw head 2 is a threaded cap 4 structure, and the outer circumference of the threaded cap 4 is an arc The thread 5 is set on the threaded cap 4. Since the thread on the threaded cap can realize the fixation of the screw, the outer circumference of the threaded cap is arc-shaped to realize the circumferential swing of the screw, and realize the locking of the screw and the bone plate together and various swings of the screw. Angle, to better solve the adaptability of various bone plates.

[0009] The threads of the threaded cap 4 are 3-5 teeth, which ensures the connection and fixation between the screw head 2 and the bone plate, and realizes that the screw and the bone plate are locked together.

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Abstract

The invention provides a bone plate screw structure which can guarantee that a screw and a bone plate can be locked together, and the screw swings at various angles, and the adaptability of various bone plates is well achieved. The bone plate screw structure comprises a bone plate screw body. The bone plate screw body comprises a screw head portion and a screw thread portion. The bone plate screw structure is characterized in that the screw head portion is of a thread cap structure, the periphery of the thread cap is arc-shaped, and the thread cap is provided with threads.

Description

technical field [0001] The invention relates to the technical field of internal medical surgical instruments, in particular to a bone plate screw structure. Background technique [0002] Bone plate is an instrument used to fix the bones in the human body in clinical medicine to maintain bone alignment. The bone plate needs to be designed into different shapes according to the anatomical structure of the human bone, and the bone plate needs to be fixed with screws. Fixed on the bones of the human body, the heads of existing bone plate screws are all conical or spherical, and their clinical functions are relatively simple. Conical screws can lock the screw and bone plate together, but they cannot swing at various angles. The holes can swing various angles but cannot lock the screw and the bone plate together, which cannot solve the adaptability of various bone plates. Contents of the invention [0003] In view of the above problems, the present invention provides a bone pla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/86A61B17/80
Inventor 宋普庆赵淮张忠祥邱文宾裴云霜
Owner 无锡市闻泰百得医疗器械有限公司
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