Patents by Inventor Douglas Murphy-Chutorian

Douglas Murphy-Chutorian 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: 5925012
    Abstract: A drug delivery apparatus for dispensing predetermined volumes of drug, drug solution or other substances into an opening, such as a TMR channel in the human heart, or other laser treated area within the human body, the apparatus consisting of a bifurcated needle with a laser inlet for guiding a laser delivery means, such as an optical fiber or fiber bundle, to adjacent a surface of the human heart or other body structure for creating an opening, such as a TMR channel, or other laser treated area thereon. A drug inlet is for receiving the drug and transmitting the drug to the TMR channel or other laser treated area. Optionally, a piercing tip and/or suction device assists in positioning the apparatus adjacent the tissue to be treated. Drug is dispensed by manually or automatically actuating a piston or syringe element. A method of use is also disclosed.
    Type: Grant
    Filed: December 27, 1996
    Date of Patent: July 20, 1999
    Assignee: Eclipse Surgical Technologies, Inc.
    Inventors: Douglas Murphy-Chutorian, Richard L. Mueller, Stuart D. Harman, Steve A. Daniel, Larry Witham, Robert Lincoln Lathrop, III, Bruce Richardson
  • Patent number: 5713894
    Abstract: The method for combined mechanical/laser myocardial revascularization of a human heart includes: inserting a mechanical piercing device and an elongated flexible lasing apparatus into the chest cavity of a patient; mechanically piercing, micro-tearing or spreading the epicardium of the heart; and then lasing from beneath the epicardium through the myocardium.
    Type: Grant
    Filed: February 27, 1996
    Date of Patent: February 3, 1998
    Inventors: Douglas Murphy-Chutorian, Stuart D. Harman