Method for manufacturing 3D printing customized hearing aid
A technology of 3D printing and production method, applied in the direction of improving process efficiency, improving energy efficiency, etc., can solve the problems of poor sound insulation effect, allergic reaction, easy falling off, etc., and achieve the effect of convenient installation, clear sound quality and stable sound transmission.
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[0037] The hearing aid includes a shell, a cover, and components connected to the shell and the cover. The shell fits the inner cavity of the ear canal of the hearing-impaired person. First, the shell is made, and the medical image data of the hearing-impaired person is reconstructed in three dimensions to obtain a three-dimensional image of the ear canal. Data, and then use 3D software to design and optimize the hearing aid shell according to the reconstructed 3D data. After designing the model, use a 3D metal printer to print it. After the printing is completed, carry out post-processing work. test.
[0038] like figure 1 As shown, the manufacturing steps of the shell are as follows:
[0039] Step 1: Place the ear barrier 1-2mm behind the second bend of the ear canal;
[0040] Step 2: Inject the ear impression paste into the ear canal with a syringe;
[0041] Step 3: Wait for the ear impression paste to harden and take it out;
[0042] Step 4: Use a medical 3D scanner to...
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