Filtering device and the use thereof

Details Filtering device and the use thereof Filtering device and the use thereof

1992-12-18

1994-06-14

Burr, Edgar S.

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820113, 12820415, 55498, 55DIG35, 2104931, A61M 1610, B01D 2707, B01D 2907

Patent

active

053200969

ABSTRACT:
A filtering device for connection to the respiratory tract of a person and comprising a cover (1) enclosing a heat and moisture exchanging material and a bacteria absorbing filter which consists of a folded, air-permeable sheet material. The heat and moisture exchanging material is formed as strips (9) inserted in the pleats of the sheet material (8).

REFERENCES:
patent: 3881482 (1975-05-01), Lindholm
patent: 4798676 (1989-01-01), Matkovich
patent: 4964405 (1990-10-01), Arnoth
patent: 5022394 (1991-06-01), Chmielinski
patent: 5035236 (1991-07-01), Kanegaonkar
patent: 5042468 (1991-08-01), Lambert
patent: 5158077 (1992-10-01), Sundstrom

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