Patents by Inventor Michael E. Prosek

Michael E. Prosek has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Surgical instrument seal assembly
    Patent number: 7473243
    Abstract: 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 The valve seal may be provided with a stay that prevents the valve seal from inverting when an instrument in withdrawn from the valve assembly.
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: January 6, 2009
    Assignee: ConMed Corporation
    Inventors: William G. Dennis, Michael E. Prosek
  • Surgical instrument seal assembly
    Patent number: 7056303
    Abstract: 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 The valve seal may be provided with stay that prevents the valve seal from inverting when an instrument in withdrawn from the valve assembly.
    Type: Grant
    Filed: June 20, 2001
    Date of Patent: June 6, 2006
    Assignee: ConMed Corporation
    Inventors: William G. Dennis, Michael E. Prosek
  • Surgical instrument seal assembly
    Publication number: 20040171990
    Abstract: 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 The valve seal may be provided with a stay that prevents the valve seal from inverting when an instrument in withdrawn from the valve assembly.
    Type: Application
    Filed: February 27, 2004
    Publication date: September 2, 2004
    Inventors: William G. Dennis, Michael E. Prosek
  • Surgical instrument seal assembly
    Publication number: 20020107484
    Abstract: 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.
    Type: Application
    Filed: March 28, 2002
    Publication date: August 8, 2002
    Inventors: William G. Dennis, Michael E. Prosek
  • Surgical instrument seal assembly
    Publication number: 20020010424
    Abstract: 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.
    Type: Application
    Filed: June 20, 2001
    Publication date: January 24, 2002
    Inventors: William G. Dennis, Michael E. Prosek
  • Surgical instrument seal assembly
    Patent number: 6258065
    Abstract: 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.
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: July 10, 2001
    Assignee: Core Dynamics, Inc.
    Inventors: William G. Dennis, Michael E. Prosek
  • Sleeve trocar with penetration indicator
    Patent number: 6228058
    Abstract: 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.
    Type: Grant
    Filed: December 10, 1998
    Date of Patent: May 8, 2001
    Assignee: Core Dynamics, Inc.
    Inventors: William G. Dennis, Michael E. Prosek