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Support structures, prostheses and prosthetic systems

A support structure and prosthesis technology, applied in prosthesis, bone implants, medical science, etc., can solve problems such as insufficient support force, failure of spring extension function, etc., to increase strength, improve structural support force, and stabilize extension function effective effect

Active Publication Date: 2018-08-28
MICROPORT SINICA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the object of the present invention is to provide a support structure, a prosthesis and a prosthesis system to solve one or more of the problems of insufficient supporting force of the existing prosthesis, failure of the spring extension function, etc.

Method used

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  • Support structures, prostheses and prosthetic systems
  • Support structures, prostheses and prosthetic systems
  • Support structures, prostheses and prosthetic systems

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Embodiment Construction

[0042] In order to make the purpose, advantages and features of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0043] As used herein, the singular forms "a", "an" and "the" include plural referents unless the content clearly dictates otherwise. As used herein, the term "or" is generally employed in its sense including "and / or" unless the content clearly dictates otherwise. "Far-end" and "far-side" described in the present invention refer to the side of the prosthesis close to the direction of extension; opposite side.

[0044] The core idea of ​​the present invention is to improve a support structure, a prosthesis and a prosthesis system, so as to solve the existing...

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Abstract

A support structure, a prosthesis, and a prosthesis system, to enhance the support strength of a prosthesis and ensure a stable and effective extension function of the prosthesis. The support structure comprises an extending member (21) and a blocking member (22). The extending member (21) comprises a body and a plurality of brim structures (2114) at a proximal end of the body. The plurality of brim structures (2114) extend outwards in a radial direction of the body into a limiting member (1), and the plurality of brim structures (2114) are also arranged in an axial direction of the body. The body has an inner cavity (2112) closed at one end, and the body is provided with a hollow structure (2113) at a position adjacent to the plurality of brim structures (2114). The blocking member (22) is a hollow structure open at both ends and is disposed in the inner cavity (2112) to cover the hollow structure (2113). When the plurality of brim structures (2114) generate heat, part of the limiting member (1) in contact with the plurality of brim structures (2114) softens, so as to eliminate the limiting of the limiting member (1) on the support structure.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a supporting structure, a prosthesis and a prosthesis system. Background technique [0002] In recent years, extendable prosthesis has been widely used in limb salvage technology, especially the limb salvage technology for children with malignant bone tumors, which can avoid secondary surgery, effectively reduce secondary trauma to patients, and obtain good results. Clinical efficacy. [0003] At present, a variety of structures of extendable prosthesis are provided. For example, patent application CN107518961A discloses a magnetocaloric extendable prosthesis, which includes a magnetic generation control device for controlling the magnetic generation device to generate an alternating magnetic field. Under the action of the support tube, the boss of the support tube heats up and melts the limit structure, and then pushed by the elastic force of the compression spring, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/28
CPCA61F2/2814A61F2/2846A61F2002/30566
Inventor 张劼陈齐欧张立争
Owner MICROPORT SINICA CO LTD
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