Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent
1995-02-06
1996-01-30
Dang, Khanh
Acoustics
Anatomic or prosthetic relation
Ear and mouth
181130, H04R 2500
Patent
active
054882052
ABSTRACT:
A hearing aid tubing connector for connecting sound conduction tubing from a hearing aid to an earmold and a method for making same wherein the sound conduction tubing extends completely through a bore in the earmold up to the interior opening of the bore near the eardrum. A connector circumferentially attached to the tubing and having a stepped portion engaging the wall of said bore connects in an acoustic seal the tubing to the exterior opening of the bore in the earmold. The tubing extending through the bore in the earmold has an interior diameter which increases between the exterior opening of the bore and the interior opening of the bore. This increase in the tubing may be continuous or stepped. The tubing may be made of PVC and the earmold may be made of silicone.
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Earmold Design Inc., Earmold Design Catalog, p. 12, 1975.
Microsonic Inc., "Custom Earmold Manual", pp. 36 & 46, 1986.
Dang Khanh
Microsonic, Inc.
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