Anaesthetic mask

Details Anaesthetic mask Anaesthetic mask

1987-02-13

1988-09-13

Kamm, William E.

Surgery

Respiratory method or device

Face mask covering a breathing passage

12820628, 12820624, 128910, A62B 1802, A62B 1808

Patent

active

047701692

ABSTRACT:
The present invention provides an improved anaesthetic scavenging face mask having a scavenging channel running along the perimeter of the mask. The mask is provided with an anaesthetic gas inlet and a vacuum outlet. The scavenging channel is connected to the vacuum outlet.

REFERENCES:
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patent: 2939458 (1960-06-01), Lundquist
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patent: 3799164 (1974-03-01), Rollins
patent: 3877691 (1975-04-01), Foster
patent: 4015598 (1977-04-01), Brown
patent: 4062357 (1977-12-01), Laerdal
patent: 4151843 (1979-05-01), Brekke et al.
patent: 4219020 (1980-08-01), Czajka
patent: 4248218 (1981-02-01), Fischer
patent: 4265239 (1981-05-01), Fischer, Jr. et al.
patent: 4312339 (1982-01-01), Thompson, Sr.

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