Patents Assigned to Spirus Medical, Inc.
  • Rotate-to-advance catheterization system
    Patent number: 7909799
    Abstract: A system of rotate-to-advance medical devices including catheters, dilators, occluders, stents, suprapubic catheters and camera introducers configured with external screw threads and depending substantially on rotation for means of advancement and emplacement in mammalian genitourinary and gastrointestinal passages and organs.
    Type: Grant
    Filed: May 4, 2005
    Date of Patent: March 22, 2011
    Assignee: Spirus Medical, Inc.
    Inventor: James J. Frassica
  • Anatomical model
    Patent number: 7854612
    Abstract: An anatomical model comprising: an inner lumen; and an outer lumen, wherein the inner lumen is disposed inside of the outer lumen so as to create a space therebetween; and further wherein a fluid is disposed within the space, interior to the outer lumen and exterior to the inner lumen, whereby the inner lumen can accurately simulate the mucous membrane lining a mammalian tract.
    Type: Grant
    Filed: May 21, 2007
    Date of Patent: December 21, 2010
    Assignee: Spirus Medical, Inc.
    Inventors: James J. Frassica, Robert E. Ailinger
  • Rotate to advance catheterization system
    Patent number: 7806888
    Abstract: A system of rotate-to-advance medical devices including catheters, dilators, occluders, stents, suprapubic catheters and camera introducers configured with external screw threads and depending substantially on rotation for means of advancement and emplacement in mammalian genitourinary and gastrointestinal passages and organs.
    Type: Grant
    Filed: July 26, 2005
    Date of Patent: October 5, 2010
    Assignee: Spirus Medical, Inc.
    Inventor: James J. Frassica
  • Rotate-to-advance catheterization system
    Patent number: 7780650
    Abstract: A camera assembly for positioning within a bodily passageway, including a camera, a catheter adapted to retain the camera, and a rotary coupling interconnecting the catheter and the camera. The catheter is provided with helically-wound threads thereon. The rotary coupling permits the catheter to rotate and thereby move axially while the camera remains rotationally stationary.
    Type: Grant
    Filed: May 19, 2006
    Date of Patent: August 24, 2010
    Assignee: Spirus Medical, Inc.
    Inventors: James J. Frassica, Robert E. Ailinger