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A locally reinforce porous ear bracket and a manufacturing method thereof

A technology of local enhancement and manufacturing method, which is applied in the direction of additive manufacturing, manufacturing tools, additive processing, etc., can solve the problems of low forming precision of FDM process, inconvenient surface polishing treatment, and reduce the hardness of bracket support, so as to reduce the exposure of bracket, Facilitate tissue growth and reduce contracture response

Pending Publication Date: 2018-11-27
NAT INST CORP OF ADDITIVE MFG XIAN
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the ear bracket has the following problems: the cost of making metal molds is high, the porous structure of the curved surface of the inner ear will reduce the support hardness of the bracket, and limit the range of material selection
[0006] The defects of the technology disclosed in this document are: the FDM process has low molding precision, and the surface polishing treatment is inconvenient; the silicone ear mold of the carved auricle shape needs to be maintained by an impression holder

Method used

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  • A locally reinforce porous ear bracket and a manufacturing method thereof
  • A locally reinforce porous ear bracket and a manufacturing method thereof

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Embodiment Construction

[0042] join figure 1 , the present invention provides an ear support, which includes an ear support body 1 and a reinforcing mesh structure 2; the ear support body 1 is uniformly provided with a plurality of small holes 3 along its outer contour;

[0043] The inner contour of the ear support body 1 is provided with a reinforcing mesh structure 2 matching the shape of the inner contour; the ear support body 1 is made of silicone material. It should be emphasized that:

[0044] 1. The outer contour of the ear support body includes the scaphoid, the tragus, and the earlobe; the inner contour of the ear support body includes the concha cavity, the concha concha, and the triangular fossa.

[0045] 2. Silica gel is used as a scaffold material for human organoplasty due to its good histocompatibility and elasticity (see reference [1] Hakelius L, Ohlsén L. Tendency to capsular contracture around smooth and textured gel-filled silicone mammary implants: a five-year follow-up[J].Plast...

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Abstract

A locally reinforce porous ear scaffold and its manufacture method are disclosed. That ear scaffold has good structural rigidity, is not easy to deform and is beneficial to patient tissue growth and scaffold fixation. The ear scaffold comprises an ear scaffold body and a reinforcing net structure. A plurality of small holes are uniformly arranged along the outer contour of the ear bracket body; The inner contour of the ear bracket body is provided with a reinforcing mesh structure adapted to the inner contour shape; The ear bracket body is made of silica gel material.

Description

technical field [0001] The invention relates to a prosthesis that can be implanted into a human body, in particular to a partially reinforced porous ear support and a manufacturing method thereof. Background technique [0002] The incidence of congenital microtia has been reported in different literatures, and it is related to race and region. According to recent reports, the incidence rate in our country is 5.18 / 10000, and there are more men than women (2:1). Right side deformity is more common, and bilateral deformity is about 10%. The cause of microtia has not yet given a scientific explanation in the medical field. It is generally believed to be the result of the joint action of environmental and genetic factors. These are all factors that may lead to the incidence of microtia. The genetic incidence rate of patients with a family history of microtia is approximately 2.9%-33.8%. [0003] At present, the medical field adopts the method of making prostheses to treat patie...

Claims

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Application Information

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IPC IPC(8): A61F2/18B29C39/10B29C35/02B29B15/10B29C64/135B33Y10/00
CPCA61F2/18B29B15/10B29C35/02B29C39/10B29C64/135B33Y10/00A61F2/0063A61F2002/183A61F2240/004A61F2240/005
Inventor 王晶鱼峰王亚芳陈华磊
Owner NAT INST CORP OF ADDITIVE MFG XIAN
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