Housing shell for an in-the-ear hearing aid

Details Housing shell for an in-the-ear hearing aid Housing shell for an in-the-ear hearing aid

1990-07-16

1992-09-08

Woo, Jay H.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181135, 264222DIG.30, 381 686, H04R 2502, B29C 3340

Patent

active

051460513

ABSTRACT:
A positive ear mold is processed to the desired size, equipped with a core in the proximal region, dipped in wax and placed in a container in which casting material for a negative form is filled. After the ear mold has been taken out and the core has been removed, a flexible sliver is drawn into the negative form. The sliver is laid out along the inner wall of the negative form prior to casting, and subsequently, the material for the housing shell is filled into the negative form. After a brief polymerization time, the excess material is emptied out and after it has hardened, the housing shell is removed from the negative form. By pulling a sliver insert out of the channel molded in the housing shell, one obtains a housing shell having a vent molded therein.

REFERENCES:
patent: 3440314 (1969-04-01), Frisch
patent: 4569812 (1986-02-01), Werwath et al.
patent: 4617429 (1986-10-01), Bellafore
patent: 4712245 (1987-12-01), Lyregaard
patent: 4739512 (1988-04-01), Hartl et al.
patent: 4871502 (1989-10-01), Labisch et al.
patent: 5008058 (1991-04-01), Henneberger
"Information about . . . SIRETTINA" Siemens AG, Brochure No. M-H 170/1418.

Affiliated with

Also associated with

Rating

Housing shell for an in-the-ear hearing aid does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Housing shell for an in-the-ear hearing aid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Housing shell for an in-the-ear hearing aid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-135690