Air supply systems for operating theatres

Details Air supply systems for operating theatres Air supply systems for operating theatres

1978-04-05

1979-08-14

Wayner, William E.

Surgery

Truss

Pad

98 40D, 128 1R, F24F 900

Patent

active

041641736

ABSTRACT:
An air supply system for an operating theatre which includes a primary chamber to which filtered air is fed under pressure. A first membrane extends across the lower surface of the primary chamber and is arranged so that a high velocity downward airflow is obtained centrally of the primary chamber. The primary chamber is surrounded by a secondary chamber with a second membrane providing a permeable barrier between the two chambers and the arrangement is such that a further downward airflow is obtained from the secondary chamber, this further downward airflow surrounding the airflow issuing from the primary chamber.

REFERENCES:
patent: 3511162 (1970-05-01), Truhan
patent: 3602212 (1971-08-01), Howorth
patent: 3626837 (1971-12-01), Pelosi, Jr.
patent: 3998142 (1976-12-01), Foreman et al.
patent: 4009647 (1977-03-01), Howorth

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