A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
128/113
A61B 17/32 (2006.01) A61B 17/22 (2006.01) A61B 18/00 (2006.01) A61B 19/00 (2006.01)
Patent
CA 2022596
Abstract of the Disclosure A catheter-cutter for aorto-coronary bypass graft cutting of vein valves within a vein graft and for the in-situ bypass vein graft cutting of the valves within a vein includes at-least-one arcuate razor- sharp, tip-angle-edged cutting blade element extending from the open distal end of the catheter, the at-least- one cutting blade element being fixed or selectively extendable from the distal end of the catheter by optional control means carried at the proximal port of the catheter, the at-least-one cutting blade element being effective to cleanly excise and clearly cut a valve, the catheter optionally including a fiberoptic viewer for observing the cutting process and optionally including a selectively inflatable balloon about the catheter tube at its very distal end to accurately fix the position of the at-least-one cutting blade element and also to act as a buffer, if desired, during catheter insertion and manipulation while the catheter tube is being negotiated in a forward direction within the vein being modified.
Bereskin & Parr
Segalowitz Jacob
LandOfFree
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