Surgical portal apparatus with expandable cannula

Details Surgical portal apparatus with expandable cannula Surgical portal apparatus with expandable cannula

A - Human Necessities

61

B

A61B 17/34 (2006.01) A61B 17/02 (2006.01)

Patent

CA 2698872

A surgical portal apparatus includes a housing and a portal member extending from the housing. The portal member is dimensioned for insertion within tissue to access an underlying tissue site and defines a longitudinal axis. The portal member includes an outer wall having a longitudinal opening for reception of a surgical object. The outer wall includes first and second peripheral segments extending along the longitudinal axis. The first peripheral segment includes a substantially rigid material and the second peripheral segment includes a substantially elastomeric material. The first peripheral segment and the second peripheral segment cooperate to permit the outer wall to radially expand from a first condition where the outer wall defines a first internal dimension to a second condition where the outer wall defines a second internal dimension greater than the first internal dimension upon insertion of the surgical object.

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