Patents by Inventor Jeffery A. Knight

Jeffery A. Knight 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).

  • Thin wall surgical irrigation tubing with longitudinal reinforcements
    Publication number: 20080200884
    Abstract: A length of ophthalmic surgical irrigation tubing 14 includes an inner lumen 18 for transporting fluid from a source 24 to a surgical handpiece 26. The tubing 14 has an outer surface 20 including reinforcement structure 22 formed on the outer surface 20 along the length of the tubing 14. The reinforcement structure 22 provides support to the length of tubing 14 to resist kinking of the tubing 14 during surgery.
    Type: Application
    Filed: February 20, 2007
    Publication date: August 21, 2008
    Inventors: James T. Perkins, Michael Versemann, Jeffery A. Knight
  • Dual linear ultrasound control
    Publication number: 20080114387
    Abstract: An ophthalmic surgical control system 10 includes a surgical console 12 for controlling a variety of surgical instruments. A foot controller 18 is connected to the surgical console 12 including a pedal 24 for movement by a user over a pre-determined range in pitch 26 and yaw 28. The system 10 allows the foot controller 18 to independently control two parameters for a single function where a first parameter is controlled by movement of the pedal 24 in pitch 26 and a second parameter is controlled by movement of the pedal 24 in yaw 28.
    Type: Application
    Filed: November 10, 2006
    Publication date: May 15, 2008
    Inventors: David W. Hertweck, Jeffery A. Knight
  • Air venting in ophthalmic irrigation/aspiration system via closed bag system
    Patent number: 6224583
    Abstract: An ophthalmic irrigation/aspiration venting system that vents a portion of an aspiration circuit by drawing sterile air from a bag. The bag is provided with an air reservoir member to ensure that an adequate air volume is available.
    Type: Grant
    Filed: October 15, 1998
    Date of Patent: May 1, 2001
    Assignee: Bausch & Lomb Surgical, Inc.
    Inventors: James T. Perkins, Jeffery A. Knight, William J. Neubert
  • Ophthalmic aspiration system with selectable vent method
    Patent number: 6083195
    Abstract: An ophthalmic irrigation/aspiration system that permits selection among or between various venting modes.
    Type: Grant
    Filed: October 15, 1998
    Date of Patent: July 4, 2000
    Assignee: Bausch & Lomb Surgical, Inc.
    Inventors: James T. Perkins, Jeffery A. Knight, William J. Neubert