Patents by Inventor Louis McKellar

Louis McKellar 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).

  • Apparatus and methods for determining spatial coordinates of radiolabeled tissue using gamma-rays and associated characteristic x-rays
    Patent number: 6135955
    Abstract: A system and method for diagnostic testing of structures within a body, e.g., organs within the body of a living being, which has been provided with a radioactive imaging agent, e.g., a radiotracer, to cause the structure to produce gamma rays, associated characteristic x rays, and a continuum of Compton-scattered photons. The system includes a radiation receiving device, e.g., a hand-held probe or camera, an associated signal processor, and an analyzer. The radiation receiving device is arranged to be located adjacent the body and the structure for receiving gamma rays and characteristic x rays emitted from the structure and for providing a processed electrical signal representative thereof. The processed electrical signal includes a first portion representing the characteristic x rays received and a second portion representing the gamma rays received.
    Type: Grant
    Filed: October 27, 1997
    Date of Patent: October 24, 2000
    Assignee: Care Wise Medical Products Corporation
    Inventors: Norman Madden, Richard Pehl, Robert G. Carroll, Louis McKellar
  • Apparatus and methods for determining spatial coordinates of radiolabelled tissue using gamma-rays and associated characteristic X-rays
    Patent number: 5694933
    Abstract: A system and method for diagnostic testing of structures within a body, e.g., organs within the body of a living being, which has been provided with a radioactive imaging agent, e.g., a radiotracer, to cause the structure to produce gamma rays, associated characteristic x rays, and a continuum of Compton-scattered photons. The system includes a radiation receiving device, e.g., a hand-held probe or camera, an associated signal processor, and an analyzer. The radiation receiving device is arranged to be located adjacent the body and the structure for receiving gamma rays and characteristic x rays emitted from the structure and for providing a processed electrical signal representative thereof. The processed electrical signal includes a first portion representing the characteristic x rays received and a second portion representing the gamma rays received.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: December 9, 1997
    Assignee: Care Wise Medical Products Corporation
    Inventors: Norman Madden, Richard Pehl, Robert G. Carroll, Louis McKellar