ROTATIONAL ATHERECTOMY DEVICE WITH IMPROVED EXCHANGEABLE DRIVE SHAFT CARTRIDGE

摘要

A rotational atherectomy device which includes a handle housing (10), and an exchangeable drive shaft cartridge (60) removably attachable to the handle housing (10). A rotatable prime mover is carried by a prime mover carriage (30) disposed within the handle housing (10). The exchangeable cartridge includes a cartridge housing (62), a longitudinally movable tube (70), a slide (64), and a rotatable flexible drive shaft (21). The rotational atherectomy device includes a cartridge latch, and a tube latch.