Rotate-to-advance catheterization system
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United States of America Patent
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Nov 5, 2013
Grant Date -
Jan 5, 2012
app pub date -
May 3, 2011
filing date -
Feb 28, 2006
priority date (Note) -
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Abstract
A method for visualizing the interior of a bodily passageway, comprising providing a visualization system comprising an endoscope comprising a rotatable drive collar configured for rotation relative to the endoscope; a disposable drive tube comprising an elongated tube having a deformable helical thread disposed on an exterior surface of the elongated tube, the elongated tube being configured for coaxial disposition about the endoscope; and a mount for releasably securing the drive tube to the drive collar; mounting the drive tube coaxially about the endoscope so that the drive tube is secured to the drive collar of the endoscope; inserting the visualization system into the passageway, with the helical thread being in a reduced profile configuration; transforming the helical thread into an expanded profile configuration; rotating the drive tube so as to bring together a site which is to be visualized and the visualization apparatus; and visualizing the passageway.
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