Patents by Inventor Robert D. Berkowitz

Robert D. Berkowitz 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).

  • Hand-held surgical device and tools for use therewith, assembly and method
    Patent number: 5868785
    Abstract: Hand-held surgical assembly for use in performing a laparoscopic medical procedure, comprising a housing. An actuator tube having a bore therein is slidably mounted in the housing. A handle operated mechanism is carried by the housing for causing reciprocatory movement of the actuator tube assembly within the housing.
    Type: Grant
    Filed: February 10, 1997
    Date of Patent: February 9, 1999
    Assignee: Unisurge Holdings, Inc.
    Inventors: Elisha A. Tal, Michael Hogendijk, Michael J. Orth, Jeffrey J. Christian, Jeffrey E. Holmes, Robert D. Berkowitz
  • Hand held surgical device
    Patent number: 5601601
    Abstract: Hand-held surgical assembly for use in performing a laparoscopic medical procedure, comprising a housing. An actuator tube having a bore therein is slidably mounted in the housing. A handle operated mechanism is carried by the housing for causing reciprocatory movement of the actuator tube assembly within the housing.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: February 11, 1997
    Assignee: Unisurge Holdings, Inc.
    Inventors: Elisha A. Tal, Michael Hogendijk, Michael J. Orth, Jeffrey J. Christian, Jeffrey E. Holmes, Robert D. Berkowitz
  • Hand-held surgical device and tools for use therewith, assembly and method
    Patent number: 5433725
    Abstract: Hand-held endoscopy assembly for use in performing a medical procedure comprising a hand-held endoscopy device having a bore extending therethrough. A surgical tool is removably mounted in the bore and is retained in a fixed longitudinal position within the device while permitting rotation of the tool in the device. A valve in the bore establishes a substantially fluid-tight seal between the bore and the tool.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: July 18, 1995
    Assignee: Unisurge, Inc.
    Inventors: Jeffrey J. Christian, Robert D. Berkowitz, Michael Hogendijk, Jeffrey E. Holmes