US 9,808,277 B2
Thrombectomy and soft debris removal device
John E. Nash, Chester Springs, PA (US); Greg Walters, Exton, PA (US); Dennis M. Sauro, Glenmoore, PA (US); Mark Eberhardt, Elverson, PA (US); William T. Fisher, Schwenksville, PA (US); and Douglas G. Evans, Downingtown, PA (US)
Assigned to The Spectranetics Corporation, Colorado Springs, CO (US)
Filed by THE SPECTRANETICS CORPORATION, Colorado Springs, CO (US)
Filed on Dec. 5, 2014, as Appl. No. 14/562,014.
Application 14/562,014 is a continuation of application No. 11/871,908, filed on Oct. 12, 2007, granted, now 8,920,402.
Application 11/871,908 is a continuation in part of application No. 11/751,443, filed on May 21, 2007, granted, now 7,666,161, issued on Feb. 23, 2010.
Application 11/751,443 is a continuation in part of application No. 10/832,830, filed on Apr. 27, 2004, granted, now 7,959,608, issued on Jun. 14, 2011.
Prior Publication US 2015/0094748 A1, Apr. 2, 2015
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 17/3207 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/320758 (2013.01) [A61B 17/320783 (2013.01); A61B 2017/00685 (2013.01); A61B 2017/320733 (2013.01); A61B 2017/320741 (2013.01); A61B 2017/320766 (2013.01); A61B 2217/005 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A flexible catheter system for clearing an accumulation of occlusive material from a vessel, duct or lumen in a living being, the flexible catheter system comprising:
an aspiration pump, wherein the aspiration pump comprises a helical wire, a core having a proximal end, and a catheter jacket, and
a cap affixed to a distal end of the catheter jacket,
wherein the catheter jacket surrounds the helical wire, wherein the helical wire is wrapped around the core in a helical arrangement and affixed to the core only at the proximal end,
wherein the cap comprises at least one aspiration port,
wherein the helical wire is configured to create suction through the aspiration port when the helical wire is rotated inside the cap, and
wherein a proximal portion of the helical wire is coupled to and driven by a helical source of rotary power to flex independently of the core and catheter jacket.