Method for manufacturing an atherectomy cutter having a positive angle of attack
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United States of America Patent
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Apr 21, 1998
Issued Date -
N/A
app pub date -
Oct 23, 1995
filing date -
Jan 13, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for manufacturing an atherectomy cutter having a positive angle of attack which includes the following steps: forming a rod having a longitudinal axis into a cutter blank having a first cylindrical section, a second cylindrical section, and a uniformly tapered section therebetween; boring an axial passageway through the cutter blank to create walls of substantially similar thickness in each section of the cutter blank; grinding a pair of diametrically opposed flats on the external surface of the uniformly tapered section of the cutter blank; and removing the wall portions of the tapered section between the flats to create a pair of blades.
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