Cleaning and liquid contact with solids – Processes – Including use of vacuum – suction – or inert atmosphere
Patent
1999-04-14
1999-12-07
El-Arini, Zeinab
Cleaning and liquid contact with solids
Processes
Including use of vacuum, suction, or inert atmosphere
134 42, 15341, 15344, B08B 504, A47L 504
Patent
active
059976578
ABSTRACT:
A hand held tool is used to remove cerumen and other debris through an existing aperture in a hearing aid by evacuating a tip placed in or over the aperture. In one embodiment, the tip is evacuated when a spring-loaded piston in a cylinder coupled to the tip is released to move quickly away from the aperture.
REFERENCES:
patent: 454720 (1891-06-01), Dexter
patent: 3604610 (1971-09-01), Fortune
patent: 3842240 (1974-10-01), Wakita et al.
patent: 4274176 (1981-06-01), Undin et al.
patent: 4765229 (1988-08-01), Fortune et al.
patent: 4901391 (1990-02-01), Athalye
patent: 5081739 (1992-01-01), Kao
patent: 5105904 (1992-04-01), Olsen
patent: 5293008 (1994-03-01), Danielson
"AuraCare.TM. Hearing Aid Optimization System" brochure, Starkey Co., 6700 Washington Avenue South, Eden Prairie, MN, 1-800-328-8602 (No Publication Date).
El-Arini Zeinab
Pedersen Barbara S.
Pedersen Ken J.
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