Patents by Inventor Richard P. Muller

Richard P. Muller 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).

  • Laryngoscope
    Patent number: 5003963
    Abstract: A method for moving an object in the larynx and trachea region of a patient for use with a laryngoscope having a working channel. A device device has an elongate shaft adapted for movement within the working channel of the laryngoscope. Located at a distal region of the shaft are grasping jaws. The placement device grasps an object, moves the object relative to the laryngoscope and releases the object from the placement device at a desired position.
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: April 2, 1991
    Assignee: James Roger Bullard
    Inventors: James R. Bullard, Richard P. Muller, Benedetto Grossi, John Cristine
  • System for reducing drag on the movement of an electrode in a resectoscope
    Patent number: 4955884
    Abstract: A system for reducing drag in a resectoscope working element. A hole is provided at a proximal end of a substantially enclosed electrode sheath for exiting fluids and substantially preventing pressure from being generated in the sheath. A working element has a guide block with a guide bar channel having a first cross-sectional shape and a guide bar with a second cross-sectional shape such that there are spaces between the guide bar and the guide bar channel and the bearing surfaces therebetween are relatively small.
    Type: Grant
    Filed: June 2, 1988
    Date of Patent: September 11, 1990
    Assignee: Circon Corporation
    Inventors: Benedetto Grossi, Raymond Ainger, III, Richard P. Muller
  • System for disconnetably mounting an endoscope sheath with an endoscope tool
    Patent number: 4920961
    Abstract: A sheath is provided having a tube and a latch receptacle for removably connecting the sheath with a cooperating working element. The latch receptacle is static and has means for receiving at least a portion of a movable latch of the working element such that the latch receptacle can be disconnected from the working element without touching the sheath. A continuous flow resectoscope sheath assembly may also be provided with both an inlet post and an outlet post on the outer sheath portion.
    Type: Grant
    Filed: June 2, 1988
    Date of Patent: May 1, 1990
    Assignee: Circon Corporation
    Inventors: Benedetto Grossi, Richard P. Muller, Richard J. O'Hare
  • Laryngoscope
    Patent number: 4905669
    Abstract: A device for moving an object in the larynx and trachea region of a patient for use with a laryngoscope having a working channel. The device has an elongate shaft adapted for movement within the working channel of the laryngoscope. Located at a distal region of the shaft are grasping jaws. The placement device can grasp an object, move the object relative to the laryngoscope and release the object from the placement device at a desired position.
    Type: Grant
    Filed: February 23, 1989
    Date of Patent: March 6, 1990
    Assignee: James R. Bullard
    Inventors: James R. Bullard, Richard P. Muller, Benedett Grossi, John Christine