Earplug and hearing devices formed in-situ

Details Earplug and hearing devices formed in-situ Earplug and hearing devices formed in-situ

1992-07-17

1994-08-02

Brown, Michael A.

Surgery

Body protecting or restraining devices for patients or infants

Head or face protector

128865, A61F 1100

Patent

active

053336224

ABSTRACT:
A custom-molded earplug (18) for swimming protection, hearing protection, and the like, is fabricated in situ by depositing a foaming material (14 or 24) within a person's ear (10 or 42) and allowing the foaming material to form foam (16 or 44). Acoustic and electronic equipment such as a Helmholtz resonator or other tuned device capable of modifying sound waves, a communications transmitter, a communications receiver, a communications transceiver, a hearing aid, an ear microphone, a personal earphone, and a hearing test transducer or probe tube can be fabricated in the ear in a similar fashion. Temperature sensing elements may also be incorporated within or positioned by the foaming material to provide an in the ear thermometer.

REFERENCES:
patent: 1753817 (1930-04-01), Aber
patent: 2967913 (1961-01-01), Aubert
patent: 3041856 (1962-07-01), Neal
patent: 3097059 (1963-07-01), Hoffman
patent: 3344220 (1967-09-01), Cook
patent: 3440314 (1969-04-01), Frisch
patent: 3696090 (1972-10-01), Lampe
patent: 3897376 (1975-07-01), Lampe
patent: 4459247 (1984-07-01), Rothemund
patent: 5131411 (1992-07-01), Casali

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