David E Jensen

US Patent:

7766824, Aug 3, 2010

Filed:

Mar 31, 2005

Appl. No.:

11/095340

Inventors:

David Jensen - Westbrook CT, US
Thomas Wenchell - Durham CT, US

Assignee:

Tyco Healthcare Group LP - North Haven CT

International Classification:

A61B 1/32

US Classification:

600208

Abstract:

A surgical access apparatus adaptable to permit the sealed insertion of either the surgeon's hand and/or surgical instruments during laparoscopic and endoscopic surgical procedures includes an access member having a passageway therethrough and first and second seal members mounted across the passageway. The first and second seal members each has an aperture in non-overlapping relation to each other in the absence of the object positioned therein. The outer seal portion of the first seal member may include a plurality of expansible ribs and corresponding recesses arranged along respective lines of intersection with the axis of the first seal member.

US Patent:

8282547, Oct 9, 2012

Filed:

Jul 29, 2010

Appl. No.:

12/846410

Inventors:

David Jensen - Westbrook CT, US
Thomas Wenchell - Durham CT, US

Assignee:

Tyco Healthcare Group LP - Mansfield MA

International Classification:

A61B 1/32

US Classification:

600208

Abstract:

A surgical access apparatus includes a housing member defining a housing axis and a passageway therethrough, a first seal member mounted across the passageway and having at least one expansible segment adapted to facilitate radial movement of the seal passage during manipulation of the object within the first seal member and a second seal member mounted across the passageway distal of the first seal member and being arranged about a second seal axis radially displaced from the first seal axis. The second seal member includes at least one expansible segment dimensioned to facilitate radial movement of the seal passage of the second seal member during manipulation of the object.