Patents by Inventor Theodore J. Choma

Theodore J. Choma 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).

  • Laser tissue welding control system
    Patent number: 5409481
    Abstract: A system for welding tissue by irradiation with laser energy, includes a laser for generating a beam of laser energy and directing the beam toward the tissue so as to irradiate the region to be welded. The laser has a control input and is responsive to a control signal supplied to said control input to adjust the power of the beam of laser energy. An infrared sensor senses the temperature of the tissue in the region to be welded by sensing infrared radiation coming from this region. The sensor provides a sensor output indicative of the temperature. A computer control arrangement is responsive to the sensor output. The computer control arrangement supplies a control signal to said laser such that the region to be welded is heated to a predetermined temperature.
    Type: Grant
    Filed: December 2, 1993
    Date of Patent: April 25, 1995
    Assignee: Laserscope
    Inventors: Dix P. Poppas, Steven M. Schlossberg, Theodore J. Choma, Scott D. Klioze, James H. Boll
  • Laser tissue welding control system
    Patent number: 5334191
    Abstract: A system for welding tissue by irradiation with laser energy, includes a laser for generating a beam of laser energy and directing the beam toward the tissue so as to irradiate the region to be welded. The laser has a control input and is responsive to a control signal supplied to said control input to adjust the power of the beam of laser energy. An infrared sensor senses the temperature of the tissue in the region to be welded by sensing infrared radiation coming from this region. The sensor provides a sensor output indicative of the temperature. A computer control arrangement is responsive to the sensor output. The computer control arrangement supplies a control signal to said laser such that the region to be welded is heated to a predetermined temperature.
    Type: Grant
    Filed: May 21, 1992
    Date of Patent: August 2, 1994
    Assignees: Dix Phillip Poppas, Steven Mark Schlossberg, Theodore John Choma, Scott David Klioze
    Inventors: Dix P. Poppas, Steven M. Schlossberg, Theodore J. Choma, Scott D. Klioze, James H. Boll