公开(公告)号：US10405878B2

公开(公告)日：2019-09-10

申请号：US14805354

申请日：2015-07-21

Applicant: BOSTON SCIENTIFIC SCIMED, INC.

Inventor： Joel M. Wasdyke ,  Sanjeev Kulkarni ,  Tate Augustin ,  Joel R. Brey

IPC: A61B17/3207 ,  A61B17/22 ,  A61B17/32 ,  A61B90/00

Abstract: A rotational atherectomy device including 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 elongate penetrator extendable distal of the cutting member a predetermined maximum distance and configured to stabilize the cutting member as the cutting member engages an occlusion to control the trajectory and advancement of the cutting member through the occlusion.