Universal access seal
First Claim
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1. 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.
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Accused Products
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.
550 Citations
32 Claims
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1. A surgical access device operatively connected to a cannula having an axis extending between a proximal end and a distal end, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification