Manufacturing method of additive manufacturing integrated shank prosthesis

A technology of additive manufacturing and manufacturing methods, applied in artificial legs, additive processing, prostheses, etc., which can solve problems such as inaccurate model data, complicated manufacturing processes, and inability to repeat manufacturing, and achieve accurate model data, symmetrical aesthetics Good, without the effect of personnel on duty

Pending Publication Date: 2022-04-01
湖北省康复辅具技术中心
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  • Claims
  • Application Information

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Problems solved by technology

Its main disadvantages include complex production process, long production cycle, low efficiency, inaccurat

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  • Manufacturing method of additive manufacturing integrated shank prosthesis

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[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] See figure 1 , the manufacturing method of the integrated calf prosthesis by additive manufacturing of the present invention comprises the following steps:

[0029] Step S10: Scan and take the shape of the residual limb of the patient by using a special medical scanner to obtain 1:1 three-dimensional image data D1 of the residual limb; because the three-dimensional image data D1 is assisted by the patient in the standing functional position and the special shape-taking equipment. It can reduce the shape error caused by human force in the traditional plaster molding process, and it is more suitable for the actual force of the patient when standing with the prosthesis, and the molding process is closer to the full contact load-bearing concept of the residual limb;

[0030] Step S20: Use a special medical scanner to scan and take the shape of the healthy...

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Abstract

The invention discloses a manufacturing method of an additive manufacturing integrated shank prosthesis, which comprises the following steps of: respectively scanning a residual limb part and a healthy limb part of a patient by using a medical scanner to obtain three-dimensional image data D1 and D2 of the residual limb part and the healthy limb part in a ratio of 1: 1, and mirroring the D2 through a CAD (Computer Aided Design) technology to obtain three-dimensional image data D3; processing the D1 through an artificial limb technician to obtain three-dimensional image data D4; the D4 is guided into FDM additive manufacturing equipment to be manufactured to obtain a temporary receiving cavity P1; assembling the P1 into a test artificial limb P2, and scanning the P2 to obtain three-dimensional image data D5; performing simulation analysis on the D5 and the D3 to obtain three-dimensional image data D6; carrying out modeling processing on the D6 to obtain integrated artificial shank three-dimensional image data D7; the D7 is transmitted to SLS additive manufacturing to obtain an integrated artificial shank blank P3; finally, the P3 is processed through a post-processing technology, the integrated artificial shank P5 is obtained, the whole manufacturing process is based on the digital technology, and the wearing comfort of a patient is effectively improved.

Description

technical field [0001] The invention relates to the technical field of artificial limb manufacturing, in particular to a method for manufacturing an integrated calf artificial limb by additive manufacturing. Background technique [0002] Prosthetics are artificial prostheses specially designed and fabricated to compensate for amputees or incompletely missing limbs by means and methods of engineering technology, also known as "prosthetics". The main function of the prosthesis is to replace part of the functions of the lost limbs, so that the amputees can recover a certain degree of self-care and work ability. [0003] The current prosthesis production method is mainly handmade. According to the characteristics of the amputee's residual limb, the prosthetic technician uses a plaster bandage soaked in water to wrap the residual limb to take the mold. After the plaster bandage is solidified, a negative mold cavity is obtained, and then The gypsum slurry is poured into the negat...

Claims

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Application Information

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IPC IPC(8): A61F2/60A61F2/50B33Y80/00B33Y50/00
Inventor 刘万孙奇吴涛梅松周华荣胡忠银付方华
Owner 湖北省康复辅具技术中心
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