Patents by Inventor Alexander Zelenchuk

Alexander Zelenchuk 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).

  • Substantially monostatic, substantially confocal optical systems for examination of samples
    Publication number: 20050033186
    Abstract: The present invention relates to systems and methods for examining a sample using a substantially monostatic, substantially confocal optical system comprising transmitting optics that focus an illuminating light upon the sample and receiving optics that collect light emitted from the sample following illumination thereof. In certain embodiments, the receiving optics may be arranged circumferentially around the light path traversed by the illuminating light. In certain embodiments, video apparatus may be included to produce images or to align the system in proximity to the target tissue. The systems and methods of the present invention may be directed towards the examination of a body tissue to provide a medical diagnosis.
    Type: Application
    Filed: June 17, 2004
    Publication date: February 10, 2005
    Applicant: MediSpectra, Inc.
    Inventors: Robert Nordstrom, Mark Modell, Alexander Zelenchuk
  • Substantially monostatic, substantially confocal optical systems for examination of samples
    Patent number: 6760613
    Abstract: The present invention relates to systems and methods for examining a sample using a substantially monostatic, substantially confocal optical system comprising transmitting optics that focus an illuminating light upon the sample and receiving optics that collect light emitted from the sample following illumination thereof. In certain embodiments, the receiving optics may be arranged circumferentially around the light path traversed by the illuminating light. In certain embodiments, video apparatus may be included to produce images or to align the system in proximity to the target tissue. The systems and methods of the present invention may be directed towards the examination of a body tissue to provide a medical diagnosis.
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: July 6, 2004
    Assignee: MediSpectra, Inc.
    Inventors: Robert Nordstrom, Mark Modell, Alexander Zelenchuk
  • Systems and methods for optical examination of samples
    Publication number: 20020183626
    Abstract: The present invention relates to systems and methods for examining a sample using a substantially monostatic, substantially confocal optical system comprising transmitting optics that focus an illuminating light upon the sample and receiving optics that collect light emitted from the sample following illumination thereof. In certain embodiments, the receiving optics may be arranged circumferentially around the light path traversed by the illuminating light. In certain embodiments, video apparatus may be included to produce images or to align the system in proximity to the target tissue. The systems and methods of the present invention may be directed towards the examination of a body tissue to provide a medical diagnosis.
    Type: Application
    Filed: June 24, 2002
    Publication date: December 5, 2002
    Applicant: MediSpectra, Inc.
    Inventors: Robert Nordstrom, Mark Modell, Alexander Zelenchuk
  • Systems and methods for optical examination of samples
    Patent number: 6411838
    Abstract: The present invention relates to systems and methods for examining a sample using a substantially monostatic, substantially confocal optical system comprising transmitting optics that focus an illuminating light upon the sample and receiving optics that collect light emitted from the sample following illumination thereof. In certain embodiments, the receiving optics may be arranged circumferentially around the light path traversed by the illuminating light. In certain embodiments, video apparatus may be included to produce images or to align the system in proximity to the target tissue. The systems and methods of the present invention may be directed towards the examination of a body tissue to provide a medical diagnosis.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: June 25, 2002
    Assignee: Medispectra, Inc.
    Inventors: Robert Nordstrom, Mark Modell, Alexander Zelenchuk