Trocar valve assembly

Details Trocar valve assembly Trocar valve assembly

A - Human Necessities

61

M

A61M 39/04 (2006.01) A61B 17/34 (2006.01) A61M 39/06 (2006.01)

Patent

CA 2138247

A surgical device having a longitudinal configuration and an axis (41) extending between a proximal end and an opposing distal end (43) which includes a housing having an inner surface defining a chamber and a cannula extending distally of the housing. A valve (32) disposed in the housing has a conical outer wall (50) and a plurality of distal walls which form a first seal with the inner surface of the housing and a second seal. The walls include multiple fold segments (61) which are foldable between a first position wherein the second seal closes the cannula and a second position wherein the second seal opens the cannula. A method for actuating the valve (32) includes the step of inserting an instrument (28) distally into the valve (32) to contact the fold segments (61) along a line and to move the fold segments (61) to the second position.

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