Access port including centering feature

Details Access port including centering feature Access port including centering feature

A - Human Necessities

61

B

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

Patent

CA 2696445

An access port includes a housing defining a longitudinal axis and having proximal and distal ends, and an interior wall defining a longitudinal opening adapted for passage of a surgical object, an object seal disposed in mechanical cooperation with the housing and being configured to create a substantially fluid-tight seal around a surgical object inserted through the object seal and a centering mechanism mounted to the housing. The centering mechanism includes at least one centering element extending at least in a general longitudinal direction within the longitudinal opening and a substantially annular ring mounted to the at least one centering element,. The at least one centering element is positioned and dimensioned to engage the surgical object during passage of the object through the longitudinal opening and is capable of radial outward deflective movement relative to the longitudinal ams in response to an outward force exerted by the surgical object during eccentric manipulation of the surgical object. The annular ring is adapted for radial movement during corresponding radial movement of the at least one centering element upon eccentric manipulation of the surgical object, to thereby engage the interior wall and apply a generally inward force counteracting the outward force exerted by the surgical object tending to bias the surgical object toward a generally aligned position with respect to the longitudinal axis.

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