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Proximal clavicular anatomical prosthesis and forming method

An anatomical and prosthetic technology, used in bone implants, diagnosis, additive manufacturing, etc., can solve problems such as lack of anatomical and functional matching of proximal clavicle prostheses, reduce surgical trauma, improve bone and sternum Joint fusion, the effect of improving flexibility

Active Publication Date: 2017-08-11
SOUTHERN MEDICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is little research on proximal clavicle prosthesis, and there is a lack of proximal clavicle prosthesis with anatomical and functional matching, stability and long-term life expectancy.

Method used

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  • Proximal clavicular anatomical prosthesis and forming method
  • Proximal clavicular anatomical prosthesis and forming method

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Effect test

Embodiment Construction

[0031] The present invention is further described in conjunction with the following examples.

[0032] An anatomical prosthesis for the proximal clavicle, such as figure 1 , figure 2 As shown, a prosthetic handle 21 for fixing to the medullary cavity of the manubrium sternum, a prosthesis body 20 for installing on the defect of the proximal clavicle, an internal fixation plate 22 for extending to the stump of the clavicle 30, and a support Structure 23.

[0033] The fixed steel plate 22 in the prosthesis is fixedly connected with one end of the prosthesis main body 20 . The prosthesis stem 21 is fixed on the other end of the prosthesis body 20 . The prosthesis body 20 is a hollow structure 26 ; the prosthesis body 20 is provided with a first sub-body part 24 and a second sub-body part 25 . The first sub-main part 24 and the second sub-main part 25 are fixedly connected; the first sub-main part 24 is fixedly connected with the fixed steel plate 22 in the prosthesis; the se...

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Abstract

A proximal clavicular anatomical prosthesis is provided with a prosthesis handle, a prosthesis body, a prosthesis internal fixing steel plate and a supporting structure, wherein the prosthesis handle is used for being fixed in the manubrium medullary cavity, the prosthesis body is used for being installed on the proximal clavicular defect portion, and the prosthesis internal fixing steel plate is used for extending to the clavicular stump. The proximal clavicular anatomical prosthesis can effectively promote osteal joint of allograft bone, sternum and the clavicular stump and improve fusion of the allograft bone and a sternal joint, accordingly the stability of the prosthesis is improved, and the medium-and-long-term service life of the prosthesis is prolonged. A forming method of the proximal clavicular anatomical prosthesis include the step that the prosthesis handle, the prosthesis body and the prosthesis internal fixing steel plate are all integrally formed through 3D printing by means of medical aluminum alloy. The forming method can be used for quickly customizing proximal clavicular anatomical prostheses high in bone matching degree according to different patients and different proximal clavicular bone defects, so that the requirement for clinical proximal clavicular reconstruction is met.

Description

technical field [0001] The invention relates to a prosthesis at the proximal end of the clavicle, which belongs to the technical field of artificial organs, in particular to an anatomical prosthesis at the proximal end of the clavicle and a molding method. Background technique [0002] The proximal clavicle prosthesis is an effective method to treat large bone defects in the proximal clavicle. Postoperative medium and long-term life expectancy is the main index to evaluate the performance of proximal clavicle prosthesis. There are many factors that affect the longevity of proximal clavicle prostheses, including: the way the prosthesis is fixed, the way the prosthesis is shaped, and the stress shielding it causes. At present, there is little research on proximal clavicle prosthesis, and there is a lack of proximal clavicle prosthesis with matching anatomy and function, stability and long-term life expectancy. [0003] Therefore, aiming at the deficiencies of the prior art, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/28
CPCA61F2/28A61F2/2846A61F2002/285A61F2002/30948A61F2002/30985
Inventor 黄文华邓羽平欧阳汉斌何伟方斌刘建成
Owner SOUTHERN MEDICAL UNIVERSITY
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