Disposable bacteria filter

Details Disposable bacteria filter Disposable bacteria filter

1992-08-14

1994-08-16

Kamm, William E.

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

128719, A62B 710, A61B 508

Patent

active

053377397

ABSTRACT:
An interchangeable set of wide orifice respiratory filter elements can be built into either a low resistance, high dead space embodiment for forced vital capacity testing or high resistance, low dead space embodiment for diffusion and residual air tests. A disposable 3M Filtrete.TM. pad is at the heart of all embodiments thus allowing extremely high levels of filtration efficiencies.

REFERENCES:
patent: 4181512 (1980-01-01), Kippel et al.
patent: 4360018 (1982-11-01), Choksi
patent: 4640293 (1987-02-01), Gorbe
patent: 4707167 (1987-11-01), Saito et al.
patent: 5005568 (1991-04-01), Loescher et al.
patent: 5230727 (1993-07-01), Pound et al.

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