Instrument seal
AssigneeApplied Medical Resources Corporation
InventorsJeremy J. Albrecht, John R. Brustad, Gary M. Johnson, Matthew M. Becerra, Eric Nguyen
Life of this patent
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Abstract
A surgical access port comprises a valve or instrument seal that separates the instrument contact function from the instrument conforming function. Embodiments of the instrument seal comprise in instrument contact element that extends through an opening in a compression element, thereby defining an instrument orifice that seals with an instrument extending therethrough. Embodiments of the instrument contact element comprise a non-distensible membrane or film, for example, as a tube or cylinder.
Claims20
(canceled)
A surgical access device comprising:
- a seal housing;
- a compression element disposed in the seal housing;
- and
- a non-distensible instrument contact element extending through an opening in the compression element and a distal end of the instrument contact element disposed below the opening being secured to a ring, the ring being a separate component from the instrument contact element and the ring arranged to move freely within the seal housing.
A surgical access device comprising:
- a seal housing;
- a compression element disposed in the seal housing;
- and
- a non-distensible instrument contact element extending through an opening in the compression element and a distal end of the instrument contact element disposed below the opening, the distal end of the instrument contact element and the compression element arranged to move freely within the seal housing.
Dependencies are inferred from the claim text.