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Pressurizing screw system suitable for palm phalanx and ankle fusion surgeries

A metacarpophalangeal and screw technology, applied in the compression screw system of foot and ankle fusion surgery, in the field of metacarpophalangeal bone, can solve the problems of loosening, fracture healing, fusion failure, unsatisfactory compression effect and continuous compression effect, etc. effect of healing or fusion

Pending Publication Date: 2019-07-09
SUZHOU XINRONG BEST MEDICAL INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the surgical treatment of the above diseases is usually carried out with hollow screws or ordinary screws. The compression effect and continuous compression effect are not ideal, often causing loosening, resulting in failure of fracture healing and fusion

Method used

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  • Pressurizing screw system suitable for palm phalanx and ankle fusion surgeries
  • Pressurizing screw system suitable for palm phalanx and ankle fusion surgeries
  • Pressurizing screw system suitable for palm phalanx and ankle fusion surgeries

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Embodiment Construction

[0020] The technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] combine Figure 1-4 As shown, the embodiment of the present application discloses in order to achieve the above purpose, the present invention provides the following technical solutions: the embodiment of the present application discloses a compression screw system suitable for metacarpophalangeal and ankle fusion surgery, including: A screw 2 and a hollow rivet 1, the rivet 1 includes: a rivet thread section 101 and a connecting tail end 102, the connec...

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Abstract

The invention discloses a pressurizing screw system suitable for palm phalanx and ankle fusion surgeries. The system comprises a hollow pressurizing screw and a hollow riveting nail which are matchedwith each other; the riveting nail comprises a riveting nail threaded section and a connecting tail end, a conical hole is formed in the tail end of the connecting tail end, and the pressurizing screwfurther comprises a rod body, a pressurizing screw threaded section at the front end of the rod body and a conical end at the tail end of the rod body; the conical end is matched with the conical hole. The pressurizing screw of the pressurizing screw system can promote healing or fusion of bones, the single-time pressure is increased by more than two times compared with that of a hollow screw, and the fatigue performance and bending property of the pressurizing screw system are also three times or more than those of a common product.

Description

technical field [0001] The present application relates to a compression screw system, in particular to a compression screw system suitable for metacarpophalangeal and ankle fusion operations. Background technique [0002] In real life, metacarpophalangeal, ankle, and phalanx fractures require fracture reduction and compression to promote bone healing; in addition, bone and joint pain plague patients, and osteoarthritis has a good effect on the treatment of arthritis . At present, hollow screws or ordinary screws are usually used for surgical treatment of the above diseases. The compression effect and continuous compression effect are not ideal, often causing loosening, resulting in failure of fracture healing and fusion. Contents of the invention [0003] The object of the present invention is to provide a compression screw system suitable for metacarpophalangeal and ankle fusion operations, so as to overcome the deficiencies in the prior art. [0004] In order to achiev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/86
CPCA61B17/864A61B17/8625A61B17/8615A61B2017/8655
Inventor 贺军黄丙寅张明德蔡渊源袁芦荻徐玮陵
Owner SUZHOU XINRONG BEST MEDICAL INSTR
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