Surgery – Instruments – Blood vessel – duct or teat cutter – scrapper or abrader
Reexamination Certificate
2006-03-14
2006-03-14
Robert, Eduardo C. (Department: 3733)
Surgery
Instruments
Blood vessel, duct or teat cutter, scrapper or abrader
C606S194000
Reexamination Certificate
active
07011670
ABSTRACT:
A device for incising a stenosis in the vasculature of a patient includes a plurality of blades mounted on a resilient base member. The blades are arranged in a pattern to allow for relative movement between adjacent blades. Specifically, at least one end portion of each blade is juxtaposed with an end portion of the next closest blade. The base member, in turn, is mounted on the external surface of an inflatable angioplasty balloon. When the balloon is inserted into the vasculature of a patient, positioned across a stenosis and subsequently inflated, the individually moveable blades form an effective cutting edge that conforms to the surface of the stenosis to effectively allow the stenosis to be incised to a substantially uniform depth.
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Baxter Jessica R.
Nydegger & Associates
Robert Eduardo C.
Scimed Life Systems Inc.
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