Patent ID: 6440109
Filing Date: 2002-08-27
Classification: A61B,A61M

Abstract:
A vacuum chamber device for use in laser surgery, which comprises:a tubular chamber having a surrounding wall, inner and outer surfaces and upper and lower ends; a first channel within said wall along said lower end and open to said lower end; a first air extraction tube penetrating said wall and communicating with said first channel; a second channel within said wall adjacent to said upper end; a plurality of apertures penetrating through said inner surface and communicating with said second channel; a second air extraction tube penetrating said wall and communicating with said second channel; and a raised edge extending from a predetermined portion of said upper end; a third air extraction tube penetrating said raised edge; whereby air extracted through said first air extraction tube will cause said chamber to be held against a surface contiguous to said lower edge, air extracted through said second air extraction tube will cause air and any contaminants to be removed from within said chamber and air extracted through said third extraction tube will cause air and any contaminants to be pulled across said upper end and removed.