Powered variable seal diameter trocar employing a...

Details Powered variable seal diameter trocar employing a... Powered variable seal diameter trocar employing a...

A - Human Necessities

61

B

A61B 17/34 (2006.01)

Patent

CA 2696538

An apparatus for sealing a passageway through an access assembly includes a variable seat member having an orifice for reception of an instrument therethrough. Each of a pair of compression members has a pressure face for contracting the variable seal member, each pressure face opposing the variable seal member from an opposite longitudinal side, and each compression member moveable with respect to the other compression member in a longitudinal direction transverse to the pressure faces. The compression members may be moved in the longitudinal direction to adjust the degree of compressive force exerted on the portal seal member and thus adjust a diameter of the orifice to effectively interface with the instrument to form a fluid tight relation therewith.

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