Reinforcing interface nail

An interface nail and interface technology, applied in medical science, surgery, ligaments, etc., can solve the problems of delayed treatment, functional instability, affecting the tensile strength of tendon and the healing of tendon and bone, so as to prevent devolution and simple structure , to avoid the effect of graft fixation failure

Inactive Publication Date: 2017-05-24
YUNYI BEIJING MEDICAL INSTR CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Because the injury is violent and often combined with other major structural injuries, improper diagnosis and treatment will delay treatment. At the same time, due to the increasing attention to the mechanical function of the anterior cruciate ligament and the functional instability caused by the injury, the knee joint cannot meet The needs of daily life and sports can lead to a series of sequelae of the knee joint, so surgical treatment should be performed to reconstruct the ligament and its function
[0003] Anterior cruciate ligament rupture surgery uses interface screws or button plates to fix the tendon graft, but the cutting effect of the interface screw on the tendon graft further affects the tensile strength of the tendon and the healing of the tendon to the bone
However, the "wiper effect" and "bungee effect" associated with button plate fixation may destroy the biological healing process of the graft in the bone tunnel

Method used

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  • Reinforcing interface nail
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Embodiment Construction

[0020] In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present invention.

[0021] In order to provide a thorough understanding of the present invention, the detailed structure will be set forth in the following description. It is evident that the practice of the invention is not limited to specific details familiar to those skilled in the art. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments besides these detailed descriptions.

[0022] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawi...

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Abstract

The invention discloses a reinforcing interface nail. The reinforcing interface nail comprises a top, wherein a thread portion is connected onto the top, the top and the thread portion are of integrated structure, a thread is arranged on the surface of the thread portion, the outer edge of the thread is smooth and flat, and a reinforcing groove is further formed in the surface of the thread portion. The reinforcing interface nail is simple in structure, can effectively avoid screwing loosing, and further can avoid the problem that a graft is invalid in fixation, caused due to the fact that a traditional interface nail cuts ligaments.

Description

technical field [0001] The invention relates to an interface nail, in particular to a reinforced interface nail used in surgical operations. Background technique [0002] The anterior cruciate ligament is one of the main structures that maintain the stability of the knee joint. Anatomical and biomechanical characteristics determine that the anterior cruciate ligament has different disease characteristics from other knee joint injuries in terms of population distribution, injury mechanism, and combined injuries. A torn anterior cruciate ligament can cause knee instability, and improper treatment can lead to severe dysfunction of the knee joint. Because the injury is violent and often combined with other major structural injuries, improper diagnosis and treatment will delay treatment. At the same time, due to the increasing attention to the mechanical function of the anterior cruciate ligament and the functional instability caused by the injury, the knee joint cannot meet The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/08A61L31/06
CPCA61F2/0811A61F2002/0817A61F2002/0847A61F2220/0016A61F2230/0067A61L31/06
Inventor 刘继强赵学东
Owner YUNYI BEIJING MEDICAL INSTR CO LTD
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