Patent ID: 6905489
Filing Date: 2005-06-14
Classification: A61B

Abstract:
1. An insertion device comprising: a housing; a first port attached to said housing for receiving a first fluid; a first chamber connected to said first port and positioned within said housing, wherein said first chamber has an opening that is in fluid communication with a target area; an annular wall inserted within said housing, wherein said annular wall defines at least in part said first chamber, wherein said annular wall is movable relative to said housing and a distal end of said annular wall is substantially rigid and is able to move beyond said housing; a second port attached to said housing for receiving a second fluid; and a second chamber connected to said second port and positioned within said housing, wherein said second chamber has an opening that is in fluid communication with said target area, wherein said first chamber and said second chamber are permanently not in fluid communication with one another and simultaneously are in fluid communication with said target area.