Method and apparatus for the exclusion of sound and water from t

Details Method and apparatus for the exclusion of sound and water from t Method and apparatus for the exclusion of sound and water from t

1989-05-22

1990-01-30

Yu, Mickey

Surgery

Body protecting or restraining devices for patients or infants

Head or face protector

128864, 128868, A61F 1100

Patent

active

048966797

ABSTRACT:
A method and apparatus for providing improved protection for the auditory systems of persons who may be subjected to excessive sound pressures or concussive shock waves or who may have certain disorders of the ear which require the exclusion of foreign matter or fluids from the auditory canal, comprising an earplug or an earplug set in which auditory canal inserts may be pneumatically expanded into positive sealing engagement with the auditory meatus by the application of orally-blown pneumatic pressure developed by the human pulmonary system.

REFERENCES:
patent: 1016877 (1912-02-01), Elliott
patent: 2719523 (1955-10-01), Von Gierke
patent: 2876767 (1959-03-01), Wasserman
patent: 3110356 (1963-11-01), Mendelson
patent: 3415246 (1968-12-01), Hill
patent: 3505999 (1970-04-01), Harvey et al.
patent: 3602654 (1971-08-01), Victoreen
patent: 3783864 (1974-01-01), Moller
patent: 3800791 (1974-04-01), Visor
patent: 3811437 (1974-05-01), Gardner, Jr.
patent: 3881570 (1975-05-01), Lewis
patent: 4006796 (1977-02-01), Coehorst
patent: 4089332 (1978-05-01), Rose
patent: 4134153 (1979-01-01), Voorhees
patent: 4193396 (1980-03-01), Wacker
patent: 4253452 (1981-03-01), Powers et al.
patent: 4314553 (1982-02-01), Westerdal
patent: 4384575 (1983-05-01), Asker
patent: 4406282 (1983-09-01), Parker et al.
patent: 4724922 (1988-02-01), Kalayjian
patent: 4774938 (1988-10-01), Leight

Affiliated with

Also associated with

Rating

Method and apparatus for the exclusion of sound and water from t does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for the exclusion of sound and water from t, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for the exclusion of sound and water from t will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1918814