US 9,808,610 B2
Method and device for tissue removal and for delivery of a therapeutic agent or bulking agent
Jianmin Li, Lexington, MA (US); and Weenna Bucay-Couto, Burlington, MA (US)
Assigned to Boston Scientific Scimed, Inc., Maple Grove, MN (US)
Filed by Boston Scientific Scimed Inc., Maple Grove, MN (US)
Filed on Aug. 20, 2013, as Appl. No. 13/970,675.
Application 13/970,675 is a continuation of application No. 12/893,168, filed on Sep. 29, 2010, granted, now 8,517,994.
Application 12/893,168 is a continuation of application No. 11/124,827, filed on May 9, 2005, granted, now 7,806,871.
Prior Publication US 2013/0338570 A1, Dec. 19, 2013
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 37/00 (2006.01); A61B 17/22 (2006.01); A61B 17/32 (2006.01); A61B 10/02 (2006.01); A61B 17/00 (2006.01); A61B 17/3207 (2006.01); A61B 18/00 (2006.01)
CPC A61M 37/00 (2013.01) [A61B 17/22 (2013.01); A61B 17/32002 (2013.01); A61B 10/0241 (2013.01); A61B 2017/00274 (2013.01); A61B 2017/00685 (2013.01); A61B 2017/320775 (2013.01); A61B 2018/00547 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A medical device comprising: (a) a hollow body having an open distal end and a proximal end; and (b) a rotatable shaft comprising a tissue morselizer portion and a raised helical blade extending along at least a portion of the rotatable shaft, said rotatable shaft disposed within said hollow body and cooperating with said hollow body to (i) advance at least a first material toward the proximal end of said hollow body when said rotatable shaft is rotated in a first direction, and (ii) advance at least a second material toward the distal end from the proximal end of said hollow body when said rotatable shaft is rotated in a second direction that is opposite said first direction.