Patent ID: 7276075
Filing Date: 2007-10-02
Classification: A61B

Abstract:
1. Fluid sealing apparatus for operation with an endoscopic instrument at a surgical site, the apparatus comprising: a body having a central bore dimensioned to receive an endoscopic instrument therein, the bore extending through the body between distal and proximal ends thereof; an element disposed about the body near one of the distal and proximal ends thereof for selectively expanding radially outwardly about the body to provide an external tissue seal; and a fluid seal disposed about the body near the other of the distal and proximal ends having an aperture therethrough substantially aligned with the central bore through the body, and having an inner dimension resiliently and flexibly disposed to receive an endoscopic instrument therein in sliding fluid-sealing engagement therewith, wherein the diameter of the central bore is large enough to permit a range of angulation of an endoscopic instrument extending through the central bore, wherein the body includes a plurality of circumferential grooves for receiving and retaining both the element and the fluid seal.