×

Ablation device for reducing damage to vessels and/or in-vivo stents

  • US 6,183,487 B1
  • Filed: 10/23/1998
  • Issued: 02/06/2001
  • Est. Priority Date: 03/06/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. An atherectomy device comprising:

  • a solid burr body having;

    a distal end and proximal end and a concave leading surface with a radius about a longitudinal axis of the burr body that increases from the distal end of the burr to a point that is proximal to the distal end;

    an abrasive on the concave leading surface; and

    one or more aspiration ports disposed on the concave leading surface of the burr;

    a substantially sealed drive shaft coupled to the burr, the scaled drive shaft including a lumen that is in fluid communication with the one or more aspiration ports on the leading surface of the burr, and a source of vacuum coupled to the sealed drive shaft to withdraw particles ablated from a patient'"'"'s vessel as the burr is rotated.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×