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... s the drill head.
The drill head is welded to a long, flexible spiral rotating duct, which is driven by a gas turbine connected downstream to rotate at a high speed of 180,000 to 200,000 rpm.
At high speeds, the atheromatous plaque can be ground into fine debris and flushed to the distal end, and debris can pass through the capillary bed.
There is a cavity in the catheter for passing a 0.25 cm long and 300 cm long guide wire.
The drive shaft is mounted in a 4.3F polye ...
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