Mouthpiece accessory and seal

Details Mouthpiece accessory and seal Mouthpiece accessory and seal

1978-10-24

1980-09-16

Recla, Henry J.

Surgery

Respiratory method or device

Face mask covering a breathing passage

12820714, A61M 1600

Patent

active

042223784

ABSTRACT:
An ovate convex-concave shaped flexible mouthpiece accessory and seal for a positive pressure breathing apparatus mouthpiece having a continuous raised edge of uniform shape and dimension along the edge of the concave side of the faceplate and a rectangular shaped, shape-retaining tube extending perpendicularly outwardly from the concave side at the center of the faceplate and integral with an oval shaped opening in the faceplate.

REFERENCES:
patent: 3013554 (1961-12-01), Safar et al.
patent: 3303845 (1967-02-01), Detmer
patent: 3692025 (1972-09-01), Greenberg
patent: 4030493 (1977-06-01), Walters et al.
patent: 4090518 (1978-05-01), Elam

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