Surgery – Instruments – Blood vessel – duct or teat cutter – scrapper or abrader
Reexamination Certificate
2007-01-26
2010-11-16
Truong, Kevin T (Department: 3734)
Surgery
Instruments
Blood vessel, duct or teat cutter, scrapper or abrader
Reexamination Certificate
active
07833239
ABSTRACT:
A system and method for opening a lumen in an occluded blood vessel, e.g., a coronary bypass graft, of a living being's vascular system. The system introduces an infusate liquid at a first flow rate to the occluded portion of the blood vessel, and withdraws that liquid and some blood at a second and higher flow rate. This action creates a differential flow in the occluded blood vessel portion and thereby prevent particles of occlusive material from flowing into any upstream blood vessel or downstream blood vessel in said living being's vascular system.
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Truong Kevin T
Woodcock & Washburn LLP
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