Mobile surgical compartment with micro filtered laminar air flow

Details Mobile surgical compartment with micro filtered laminar air flow Mobile surgical compartment with micro filtered laminar air flow

1990-11-06

1992-01-28

Wiecking, David A.

Surgery

Respiratory method or device

Hypobaric body chamber

12820213, 12820216, 128897, 553852, 55DIG18, 454 57, 454 63, 454DIG93, A61G 1002

Patent

active

050835580

ABSTRACT:
Surgical procedures are conducted in a protected environment wherein a laminar flow of micro filtered air is passed from a top to a bottom of an enclosure with transparent panels defining a space for manual access of the surgeon's hands and arms. Air circulation is forced through a high performance HEPA filter between an inlet including the bottom of the enclosure and an outlet at the top, both including panels with an array of apertures for establishing substantially laminar flow. A duct along an endwall of the enclosure carries filtered air to the top. A positive pressure differential is maintained between the inside of the surgical compartment and the outside, to protect the patient operative site from contamination by airborne particles. The enclosure rests on top of a mobile cabinet and has access ports for connection lines and also for bringing the surgical subject into the enclosure. For experimental animals, an access port for cage boxes can be provided. A microscope is movably mounted in the enclosure, with the object lenses disposed outside the enclosure on an extension which can extend through the access port.

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Advertisement for "Clean Air Units," International Portland Corp., Ned #251.

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