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Orthopedics kinesiology locking bone screw

A bone screw and kinematics technology, applied in the field of orthopaedic clinical medical devices, can solve problems such as unfavorable bone growth and affect the healing effect, and achieve the effect of promoting growth and healing

Inactive Publication Date: 2013-03-27
江苏百易得医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] This type of bone screw is often used to recombine bones after a fracture. After surgery, the bone screw usually needs to be kept in the human body for a period of time until the bone grows well. When the bone grows, it needs a certain healing space, while the traditional bone screw is implanted in the bone. The thread is locked with the cortical layer of the bone and the cancellous bone layer, and it is not easy to loosen inside the bone, which is not conducive to the growth of the bone and affects the final healing effect

Method used

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  • Orthopedics kinesiology locking bone screw
  • Orthopedics kinesiology locking bone screw
  • Orthopedics kinesiology locking bone screw

Examples

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Embodiment Construction

[0012] The orthopedic kinematics locking bone screw of the present invention will be further described in detail through specific embodiments below.

[0013] Such as figure 1 and figure 2 As shown, the orthopedic kinematics locking bone screw includes an integrally designed screw head 1 and shaft 2. The shaft 2 includes a sliding part 3, a cancellous bone part 4 and a cortical bone part 5. The sliding part 3 and the screw The head 1 is connected, the outer wall of the sliding part 3 is smooth, the cancellous bone part 4 is arranged at the front end of the sliding part 3 and connected with the sliding part 3, the outer wall is provided with cancellous bone threads 6, and the cortical bone part 5 is arranged on the cancellous bone The front end of part 4 is connected with cancellous bone part 4, cortical bone part thread 7 is arranged on the outer wall of cortical bone part 5, the direction of cancellous bone part thread 6 and cortical bone part thread 7 is consistent, and can...

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Abstract

The invention relates to an orthopedics kinesiology locking bone screw. The orthopedics kinesiology locking bone screw comprises a screw head and a shaft rod with integrated design, wherein the shaft rod comprises a sliding portion, a spongy bone portion and a cortical bone portion, the sliding portion is connected with the screw head, the outer wall of the sliding portion is smooth, the spongy bone portion is arranged at the front end of the sliding portion and connected with the sliding portion, a spongy bone portion thread is arranged on the outer wall of the spongy bone portion, the cortical bone portion is arranged at the front end of the spongy bone portion and connected with the spongy bone portion, a cortical bone portion thread is arranged on the outer wall of the cortical bone portion, the direction of the spongy bone portion thread is consistent with the direction of the cortical bone portion thread, and the thread pitch of the spongy bone portion thread is two to three times of that of the cortical bone portion thread. The orthopedics kinesiology locking bone screw is suitable for orthopedic operations.

Description

technical field [0001] The invention relates to the field of orthopedic clinical medical devices, in particular to an orthopedic kinematic locking bone screw. Background technique [0002] The structure of the bone screw currently used in orthopedic surgery includes a screw body. The screw body is composed of a cylindrical nail part and a tail part located at the tail end of the nail part. The outer surface of the nail part is provided with a long thread. [0003] This type of bone screw is often used to recombine bones after a fracture. After surgery, the bone screw usually needs to be kept in the human body for a period of time until the bone grows well. When the bone grows, it needs a certain healing space, while the traditional bone screw is implanted in the bone. The thread is locked with the cortical layer of the bone and the cancellous bone layer, and it is not easy to loosen inside the bone, which is not conducive to the growth of the bone and affects the final heali...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/86
Inventor 丁建忠
Owner 江苏百易得医疗科技有限公司
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