User disposable sleeve for use within the ear canal

Details User disposable sleeve for use within the ear canal User disposable sleeve for use within the ear canal

2007-06-26

2007-06-26

Tran, Sinh (Department: 2615)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

C181S130000

Reexamination Certificate

active

10729715

ABSTRACT:
User disposable sleeves for use with sound controlling structures having a non-constant radial profile can include an inner portion adapted to releasably attach to the sound controlling structure and an outer portion adapted to fit within a user's ear canal. The user disposable sleeve can include holding means configured to releasably secure the sleeve to the elongate sound controlling structure and fitment means configured to conform to an inner surface of an ear. The fitment means can be fixedly disposed over the holding means.

REFERENCES:
patent: 3157245 (1964-11-01), Bernstein
patent: 4864610 (1989-09-01), Stevens
patent: 4880076 (1989-11-01), Ahlberg et al.
patent: 5002151 (1991-03-01), Oliveira et al.
patent: 5920636 (1999-07-01), Oliveira et al.
patent: 6310961 (2001-10-01), Oliveira et al.
patent: 2001/0017230 (2001-08-01), Brimhall et al.
patent: 2003/0051939 (2003-03-01), Werblud
patent: WO 99/07182 (1999-02-01), None

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