Method for manufacturing an otoplastic

Details Method for manufacturing an otoplastic Method for manufacturing an otoplastic

1988-04-22

1989-10-03

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

Utilizing surface to be reproduced as an impression pattern

181129, 264225, 264DIG30, 264261, 425 2, B29C 3340

Patent

active

048715026

ABSTRACT:
A method and apparatus for manufacturing an otoplastic. An otoplastic is manufactured directly in the ear of a hearing-impaired person in that a deformable envelope is pulled over a die or over a shell or over an overlayed over-shell. This apparatus is then supplied with flowing otoplastic material between the die and the envelope, being supplied therewith in the ear. The envelope expands and assumes the shape of the auditory canal. After hardening or curing of the otoplastic material in the ear of the hearing-impaired person, the envelope and the die are removed and a module of either an in-the-ear or of a behind-the-ear hearing aid is integrated therewith.

REFERENCES:
patent: 3602654 (0000-01-01), Victoreen
patent: 4663102 (1987-05-01), Brenman et al.
patent: 4712245 (1987-12-01), Lyregaard
patent: 4716985 (1988-01-01), Haertl
patent: 4800636 (1989-01-01), Topholm
"A Tool for the Optimization of Hearing Aid Fittings" by Voroba, in Hearing Aid Instruments, vol. 35, No. 1, 1984.

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