Foam collar for surgical access devices

Details Foam collar for surgical access devices Foam collar for surgical access devices

A - Human Necessities

61

B

A61B 17/34 (2006.01) A61B 17/00 (2006.01) A61B 17/94 (2006.01)

Patent

CA 2716715

A surgical access devices includes an access device and a balloon dissector assembly slidably mounted through the access device. The access device includes a cannula and an elongate collar affixed to the cannula. The balloon dissector includes a tubular member having a bore, an inflatable dissection balloon secured to a distal end of the tubular member, and an obturator slidably mounted in the bore of tubular member. The elongate collar includes a body portion which has a polyhedron prism shape and a tip portion. The body portion may extend from a surgical site inside the patient's body to the outside the patient's body. The elongate collar is made from a suitable foam or gel material having sufficient compliance to form a seal with the surgical objects and sufficiently compliant to accommodate off- axis motion of cannula during a surgical procedure.

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