Method for manufacturing an atherectomy cutter having a positive

Details Method for manufacturing an atherectomy cutter having a positive Method for manufacturing an atherectomy cutter having a positive

1995-10-23

1998-04-21

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

761041, B23H 900

Patent

active

057420190

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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