US 12,226,147 B2
Medical device capable of injection, cutting and coagulation
Robert B. Devries, Northborough, MA (US); Peter L Dayton, Brookline, MA (US); and Paul Smith, Smithfield, RI (US)
Assigned to Boston Scientific Scimed, Inc., Maple Grove, MN (US)
Filed by BOSTON SCIENTIFIC SCIMED, INC., Maple Grove, MN (US)
Filed on Dec. 7, 2022, as Appl. No. 18/062,990.
Application 18/062,990 is a continuation of application No. 16/400,575, filed on May 1, 2019, granted, now 11,534,233.
Application 16/400,575 is a continuation of application No. 15/409,255, filed on Jan. 18, 2017, granted, now 10,321,952, issued on Jun. 18, 2019.
Claims priority of provisional application 62/287,207, filed on Jan. 26, 2016.
Prior Publication US 2023/0116333 A1, Apr. 13, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 18/12 (2006.01); A61B 18/14 (2006.01); A61B 18/00 (2006.01)
CPC A61B 18/1477 (2013.01) [A61B 18/1206 (2013.01); A61B 2018/00601 (2013.01); A61B 2018/1253 (2013.01); A61B 2018/126 (2013.01); A61B 2018/1425 (2013.01); A61B 2018/1427 (2013.01); A61B 2018/1435 (2013.01); A61B 2018/1475 (2013.01); A61B 2217/007 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A device for treating tissue, comprising:
a catheter including an elongated body and a distal tip, the elongated body extending from a proximal end to a distal end and including a lumen extending therethrough, the distal tip connected to the distal end of the elongated body and including a first electrode and a second electrode extending thereabout, the first electrode extending to a distal opening of the lumen; and
a first needle extending longitudinally from a proximal end to a distal end, the first needle received within the lumen of the catheter for movement between a bipolar configuration, in which the distal end of the first needle is in a first position relative to the distal opening of the catheter, and an extended monopolar configuration, in which the distal end of the first needle is in a second position,
wherein, in the first position, the distal end of the first needle is proximal of a distal opening of the lumen of the distal tip of the catheter, and wherein, in the second position the first needle contacts the first electrode and is configured to cut the tissue,
wherein the first electrode is connectable to a power source for supplying a current thereto, and
wherein the second electrode is electrically connected to a proximal portion of the first needle to provide a return path for current.