Distal atherectomy catheter

Details Distal atherectomy catheter Distal atherectomy catheter

A - Human Necessities

61

B

A61B 17/32 (2006.01) A61B 17/22 (2006.01) A61B 19/00 (2006.01) A61M 1/00 (2006.01)

Patent

CA 2063741

2063741 9101114 PCTABS00003 This disclosure sets out a catheter (10) for bodily insertion. The catheter tip supports an elongate hollow housing (14) with a window (82) for occlusive material cutting, a cutter head (86) on the interior rotates, driven by a drive wire (46) in the hollow catheter tube. In addition, the cutter head (86) reciprocates or oscillates to cut on its back edge, the edge trimming material entering through the window (82). The window and optional slots admit the unwanted material and enable trimming for a vacuum removal through the catheter tube. The window (82) is urged into contact by a pair of flexed wires (98), the wires moving the housing into operative contact.

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