Universal access seal
AssigneeApplied Medical Resources Corporation
InventorsScott Taylor, John R Brustad, Boun Pravong
Life of this patent
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Abstract
A surgical access device including a valve housing and an instrument receiving element mounted in the valve housing having an aperture for flexibly receiving and directing instruments having a wide range of diameters. The instrument receiving element includes a braid or mesh tube generally shaped like an hourglass. The surgical access device may include an access septum seal molded from a gel material. The surgical access device can flexibly engage instruments having diameters ranging from about 3.5 mm to about 12.9 mm.
Claims32
A surgical access device operatively connected to a cannula having an axis extending between a proximal end and a distal end, comprising:
- a valve housing disposed at the proximal end of the cannula;
- and
- an instrument receiving element mounted in the valve housing having an aperture for flexibly receiving and directing instruments having a wide range of diameters;
- an end cap mounting the instrument receiving element and having a proximal end away from the proximal end of the cannula and a distal end coupled to the valve housing;
- a zero-closure valve positioned within the valve housing;
- wherein the instrument receiving element includes a mesh tube extending from the proximal end of the end cap and into a portion of the zero-closure valve.
Dependencies are inferred from the claim text.