Conmed Corporation

Core Dynamics, Inc.

Michael E Prosek

William G Dennis

A surgical instrument valve assembly is provided with a valve seal where the upper portion of the valve seal is rigidly mounted to the body of the valve assembly. The lower portion of the valve seal is configured to allow some radial movement while the upper portion of the valve seal remains rigidly mounted within the valve assembly. The valve seal may be provided with a stay that prevents the valve seal from inverting when an instrument in withdrawn from the valve assembly.

Surgical instrument seal assembly

A surgical instrument valve assembly is provided with a valve seal where the upper portion of the valve seal is rigidly mounted to the body of the valve assembly. The lower portion of the valve seal is configured to allow some radial movement while the upper portion of the valve seal remains rigidly mounted within the valve assembly. The valve seal may be provided with stay that prevents the valve seal from inverting when an instrument in withdrawn from the valve assembly.

A sleeve trocar for piercing tissue to provide a conduit to an internal body cavity insufflated by gas includes a generally tubular sleeve member having a cutting edge and a passageway therethrough. An obturator assembly is telescopically disposed within the sleeve member with the obturator assembly having a moveable portion and a stationary portion, each obturator portion having a blunt face projecting beyond the cutting edge. The present invention also includes a penetration indicator assembly which provides an audible sound upon breach of a body cavity wall.

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Jacksonville, FL, United States of America

Michael E Prosek