Patents by Inventor Valentine Injev

Valentine Injev 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).

  • Variable flow device
    Publication number: 20060173403
    Abstract: A surgical handpiece having an active flow restrictor responsive to a feedback loop that can vary the fluid flow resistance through the handpiece.
    Type: Application
    Filed: January 28, 2005
    Publication date: August 3, 2006
    Inventor: Valentine Injev
  • Surgical cassette having an aspiration pressure sensor
    Publication number: 20050186098
    Abstract: A cassette having a molded flow channel contained on an elastomeric sheet that is bonded or mechanically attached to a rigid substrate. The flow channel projects outwardly from the exterior of the cassette so that a peristaltic pump having pump head rollers mounted radially from the axis of rotation of the pump motor compress the elastomeric flow channels against the rigid substrate during operation.
    Type: Application
    Filed: April 26, 2005
    Publication date: August 25, 2005
    Inventors: Sherman Davis, Raphael Gordon, Valentine Injev, Kurt Leukanech, Michael Morgan, Mel Oliveira, Gary Sorensen, Daniel Wilson