Trocar seal system

Details Trocar seal system Trocar seal system

2011-03-01

2011-03-01

Bianco, Patricia M (Department: 3743)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C251S149100, C137S874000

Reexamination Certificate

active

07896846

ABSTRACT:
A seal assembly for reception of an elongated surgical instrument is provided which includes a body having at least one opening configured and dimensioned to permit entry of an elongated surgical instrument and defining a central longitudinal axis; a seal member formed of a resilient material and defining an aperture therein, the aperture being configured and dimensioned such that insertion of the surgical instrument into the aperture causes the resilient material defining the aperture to resiliently contact the outer surface of the surgical instrument in a substantially fluid tight manner; and a fabric layer juxtaposed relative to the resilient material. A coating may be applied to the seal member to reduce friction between the seal member and surgical instrumentation inserted therein. The coating is preferably a hydrocyclosiloxane membrane prepared by plasma polymerization process.

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