Breathing mask with speaking device

Details Breathing mask with speaking device Breathing mask with speaking device

1993-06-23

1995-05-02

Burr, Edgar S.

Surgery

Respiratory method or device

Face mask covering a breathing passage

12820621, 12820617, A62B 1802, A62B 2302

Patent

active

054110211

ABSTRACT:
A breathing mask (1) with a chamber housing fastened in the mask body (2) for accommodating at least one breathing connection (4), an exhalation valve (6), and a speaking diaphragm are improved such that the chamber housing can be replaced in a simple manner. The circumferential surface of the chamber housing is provided with a plug-type connection piece (35), the mask body (2) has a support with a shape corresponding to the plug-type connection piece (35), and the plug-type connection piece (35) and the support are detachably connected via a locking member (40).

REFERENCES:
patent: 3602219 (1971-08-01), Warncke
patent: 4111197 (1978-09-01), Warncke et al.
patent: 4501272 (1985-02-01), Shigematsu et al.
patent: 4764990 (1988-08-01), Markert
patent: 4850346 (1989-07-01), Michel et al.
patent: 4958633 (1990-09-01), Angell
patent: 4961420 (1990-10-01), Cappa et al.
patent: 5224473 (1993-07-01), Bloomfield

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