Invention Application
US20100125276A1 METHOD AND SYSTEM FOR REVERSIBLY CONTROLLED DRILLING OF LUMINAL OCCLUSIONS 有权
LUMINAL OCCLUSION的可逆控制钻井方法与系统

METHOD AND SYSTEM FOR REVERSIBLY CONTROLLED DRILLING OF LUMINAL OCCLUSIONS
Abstract:
A luminal drilling system includes a drilling device and a control unit. The drilling device includes an elongate member having a drive shaft with a drill tip. The control unit includes a motor connectable to the drive shaft and control circuitry which rotationally oscillates the drive shaft with the direction of rotation automatically reversing whenever the load on the motor and/or drive shaft exceeds a threshold value.
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