Patents by Inventor Stephen N. Joffe

Stephen N. Joffe 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).

  • Patent number: 4895145
    Abstract: A two component laser delivery system for surgical and endoscopic applications including a reuseable head portion for insertion into the laser generating apparatus and a disposable optic guide portion. The disposable optic guide portion is provided with a cylindrical retainer adapted to be received and locked into the reuseable portion. The reuseable portion includes a housing and a lense barrel, the lense barrel adapted to automatically retract into the housing when the disposable optic guide is removed thereby to preclude actuation of the laser interlock switch.
    Type: Grant
    Filed: August 2, 1988
    Date of Patent: January 23, 1990
    Assignee: Surgical Laser Technologies, Inc.
    Inventors: Stephen N. Joffe, John Osborn, Richard L. Studer
  • Patent number: 4785805
    Abstract: A two component laser delivery system for surgical and endoscopic applications including a reuseable head portion for insertion into the laser generating apparatus and a disposable optic guide portion. The disposable optic guide portion is provided with a cylindrical retainer adapted to be received and locked into the reuseable portion. The reuseable portion includes a housing and a lens barrel, the lens barrel adapted to automatically retract into the housing when the disposable optic guide is removed thereby to preclude actuation of the laser interlock switch.
    Type: Grant
    Filed: June 23, 1987
    Date of Patent: November 22, 1988
    Assignee: Surgical Laser Technologies, Inc.
    Inventors: Stephen N. Joffe, John Osborn, Richard L. Studer