Patent ID: 8523644
Filing Date: 2013-09-03
Classification: A61B,A61G

Abstract:
1. An operation unit, comprising an enclosed space formed from at least two side walls, a back wall, a front wall, and a top wall connected to the two side walls, the back wall and the front wall, the operation unit further including an air flow unit, said air flow unit having a duct and a pumping means and filtering means within the duct, said front wall being provided with at least one opening and a cover that hangs down from above the opening and having a width larger than the width of the opening and a height larger than the height of the opening with the cover having an operation opening corresponding to an operation site on a patient, said air flow unit comprising at least one air outlet unit having an air outlet opening extending over the length of the air outlet unit and within the enclosed space and the air outlet unit extending above and over the width of the opening and substantially directing air from said air flow unit downward and substantially in a laminar flow and away from the front wall and over said cover and the operation opening and toward an air inlet within the enclosed space and positioned below the operation opening for retracting air from within said enclosed space to said air flow unit.