Patent ID: 7163510

Claim:
A surgical access device facilitating a sealing relationship with an instrument extending through the device and into an incision in a body wall of a patient, the access device comprising: a valve structure disposed relative to the incision in a sealing relationship with the body wall around the incision and extending into communication with the incision in the patient; a cap ring inserted or molded into the valve structure; a wound retractor adapted to dilate the incision; a protective sleeve extending into communication with the incision, the protective sleeve being bonded or molded around an inner diameter of the cap ring; a single seal included in the valve structure and disposed relative to the incision in the body wall; the single seal having a first state in the absence of an instrument extending through the valve structure, and a second state in the presence of an instrument extending through the valve structure; the single seal in the first state forming a zero seal in the absence of the instrument extending through the valve structure; and the single seal in the second state forming a seal with the instrument in the presence of the instrument extending through the access device.