Patents by Inventor Richard M. Dwyer

Richard M. Dwyer 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).

  • Method for laser surgery
    Patent number: 5125922
    Abstract: Method and apparatus for tissue cutting and cauterizing using a YAG laser and an optical fiber. YAG laser outputs at wavelengths of 1.06 and 1.3 microns are used for tissue cauterizing and cutting, respectively. In one embodiment, a multimode laser with means for switching the laser output between the two wavelengths is utilized; in another embodiment, individual lasers operating at the respective wavelengths are utilized.
    Type: Grant
    Filed: August 17, 1987
    Date of Patent: June 30, 1992
    Inventors: Richard M. Dwyer, Douglas A. Pinnow
  • Multichannel endoscope
    Patent number: 4146019
    Abstract: A flexible endoscope for insertion into a body cavity for visual observation and medical procedures. A vacuum line slidable in a tube in the endoscope for projection beyond the distal end of the endoscope, with vacuum control, providing for removal of blood clots and the like while observing the operation. A multichannel endoscope providing illumination and viewing, vacuum removal, laser treatment and additional channels for needles, forceps and washing.
    Type: Grant
    Filed: September 30, 1976
    Date of Patent: March 27, 1979
    Assignee: University of Southern California
    Inventors: Michael Bass, Richard M. Dwyer