Endoscopic portal
First Claim
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1. An endoscopic portal comprisinga tubular sleeve for insertion through the skin to provide access to an internal operative site for surgical instruments, said sleeve having an open distal end adapted to be disposed within the body and an open proximal end adapted to be disposed externally of the body;
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Abstract
An endoscopic portal includes a valve assembly disposed at an open proximal end of a sleeve or cannula providing access to an internal operative site, the valve assembly having a passage therethrough of variable size to engage surgical instruments passing therethrough in sealing relation to prevent flow or leakage of fluid through the valve assembly.
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Citations
14 Claims
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1. An endoscopic portal comprising
a tubular sleeve for insertion through the skin to provide access to an internal operative site for surgical instruments, said sleeve having an open distal end adapted to be disposed within the body and an open proximal end adapted to be disposed externally of the body; - and
valve means disposed at said open proximal end of said sleeve for controlling passage of fluids through said sleeve, said valve means including variable size passage means for communicating with said open proximal end of said sleeve and engaging surgical instruments of various sizes passing therethrough and through said sleeve in sealing relation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification