Clean air zone

Details Clean air zone Clean air zone

1977-01-13

1978-06-13

Camby, John J.

Surgery

Truss

Pad

98 40D, 55DIG29, 128 1R, F24F 900

Patent

active

040942325

ABSTRACT:
Apparatus for providing a clean air zone around a patient undergoing surgery or in a pharmaceutical or electronic clean room comprises a plurality of air supply means and a plurality of air delivery means, the air delivery means comprising a central means adapted to supply air at a first velocity and an outer means adapted to supply air at a second lower velocity, the air delivery means having different permeabilities for attaining the desired flow differential.

REFERENCES:
patent: RE25216 (1962-08-01), Kennedy
patent: 3151929 (1964-10-01), Potapenko
patent: 3367257 (1968-02-01), Raider et al.
patent: 3380369 (1968-04-01), Allander
patent: 3626837 (1971-12-01), Pelosi, Jr.
patent: 3631788 (1972-01-01), Lankfeldt
patent: 3726204 (1973-04-01), Lindestrom
patent: 3776121 (1973-12-01), Truhan
patent: 3803995 (1974-04-01), Allander
patent: 3824909 (1974-07-01), Horneff et al.
patent: 4009647 (1977-03-01), Howorth

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