ROTATABLE MEDICAL DEVICE

摘要

A rotational atherectomy device advanceable over a guidewire. The rotational atherectomy device includes a drive shaft rotatably extending through an outer tubular member to rotate a cutting member positioned at a distal end thereof. The rotational atherectomy device further includes an insert positioned within the cutting member for frictional contact with the guidewire.

主权项

1. A rotational atherectomy device, comprising:
an outer tubular member having a lumen extending therethrough; a cutting member rotationally positioned at a distal end of the outer tubular member; a drive shaft extending through the lumen of the outer tubular member, the drive shaft rotatable relative to the outer tubular member to rotate the cutting member; and an insert positioned within the cutting member, the insert including an opening extending therethrough for passing a guidewire therethrough.