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Superficial replacement prosthesis for elbow joint

An elbow joint and prosthesis technology, which is applied in the field of elbow joint surface replacement prosthesis, can solve the problems of heavy weight of elbow joint replacement prosthesis, restriction of elbow freedom, large amount of osteotomy, etc., to facilitate recovery and later revision, Improved comfort and less osteotomy

Pending Publication Date: 2021-08-13
WUHAN UNITED IMAGING HEALTHCARE SURGICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the existing total elbow joint replacement prosthesis has a large amount of osteotomy and a large trauma during the replacement, resulting in serious bone loss, which is not conducive to the recovery of the patient's elbow; and restricts the degree of freedom of the elbow, resulting in the arm being unable to rotate freely; in addition , the weight of the existing elbow joint replacement prosthesis is relatively large, and it affects the comfort of the patient

Method used

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  • Superficial replacement prosthesis for elbow joint
  • Superficial replacement prosthesis for elbow joint
  • Superficial replacement prosthesis for elbow joint

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Embodiment Construction

[0037] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0038] It should be noted that when a component is said to be "mounted on" another component, it may be directly mounted on another component or there may be an intervening component. When a component is said to be "set on" another component, it may be set directly on the other component or there may be an intervening component at the same time. When a component is said to be "fixed" to another component, it may be directly...

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Abstract

The invention relates to the technical field of artificial prosthesis and particularly relates to a superficial replacement prosthesis for an elbow joint. The superficial replacement prosthesis for the elbow joint comprises a prosthetic elbow joint head, wherein a mounting groove is formed in the prosthetic elbow joint head and is mounted at a distal end of a humerus; a connecting part, wherein one end of the connecting part is connected with the prosthetic elbow joint head, and the other end of the connecting part stretches along a proximal end of the humerus; and a bone grafting groove, which is arranged in the mounting groove and is used for accommodating grafted bone scraps. According to the superficial replacement prosthesis for the elbow joint, provided by the invention, the degree of freedom of the elbow joint of a sufferer is not restricted, and the traditional problem that the movement of the elbow joint is restricted is solved; by using the superficial replacement prosthesis for the elbow joint, the mass of bone section of the elbow joint of the sufferer is little, and the recovery and later-stage reconditioning of the elbow joint of the sufferer are facilitated; and furthermore, the bone grafting groove is further arranged and is used for being implanted with bone so as to supplement bone mass of the sufferer, the reducing of the weight of the elbow joint part is facilitated, the degree of comfort of the sufferer is increased, and the bone in the bone grafting groove after long-term recovery can be ankylosed with the humerus, so that the normal form and function of the humerus are restored.

Description

technical field [0001] The invention relates to the technical field of artificial prosthesis, in particular to an elbow joint surface replacement prosthesis. Background technique [0002] Elbow joint prosthesis replacement is suitable for patients with severely damaged joint structure. The design of elbow joint prosthesis must take into account the functional anatomy and biomechanical properties of the elbow. [0003] However, the existing total elbow joint replacement prosthesis has a large amount of osteotomy and a large trauma during the replacement, resulting in serious bone loss, which is not conducive to the recovery of the patient's elbow; and restricts the degree of freedom of the elbow, resulting in the arm being unable to rotate freely; in addition , the weight of the existing elbow joint replacement prosthesis is relatively large, and it affects the comfort of the patient. Contents of the invention [0004] In view of this, in view of the above technical proble...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/38
CPCA61F2/3804A61F2002/3809
Inventor 李超宁张磊
Owner WUHAN UNITED IMAGING HEALTHCARE SURGICAL TECH CO LTD
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