Respiratory mask having a vertically adjustable spacer element t

Details Respiratory mask having a vertically adjustable spacer element t Respiratory mask having a vertically adjustable spacer element t

1995-05-01

1996-11-05

Asher, Kimberly L.

Surgery

Respiratory method or device

Face mask covering a breathing passage

12820627, 12820624, A62B 1808

Patent

active

055706894

ABSTRACT:
A respiratory mask including a flexible seal member that is formed to receive nasal and/or oral portions of a user's face. The flexible seal member is adapted to resiliently deform against the facial structure of the user to form a seal therewith when the mask is secured to the user's head by suitable straps or related headgear. The mask further includes a single block-like spacer for limiting deformation of the mask seal when the mask is engaged with the user's face and an adjustment mechanism for adjusting the position of the spacer. A presently preferred adjusting mechanism includes a flexible strap member upwardly extending from the mask and along which the spacer may be conveniently and selectively positioned.

REFERENCES:
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patent: 1630209 (1927-05-01), Olgard
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patent: 5243971 (1993-09-01), Sullivan et al.
patent: 5355878 (1994-10-01), Griffiths et al.

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