US 11,864,818 B2
End effector assembly for bipolar pencil
Jacob C. Baril, Norwalk, CT (US); Saumya Banerjee, Hamden, CT (US); Ernest A. Addi, Middletown, CT (US); Amy L. Kung, Hamden, CT (US); Brian J. Creston, Madison, CT (US); Scott J. Prior, Shelton, CT (US); Thomas A. Zammataro, North Haven, CT (US); Christopher M. Meehan, New Haven, CT (US); Matthew A. Dinino, Newington, CT (US); Justin J. Thomas, New Haven, CT (US); and Roy J. Pilletere, North Haven, CT (US)
Assigned to Covidien LP, Mansfield, MA (US)
Filed by Covidien LP, Mansfield, MA (US)
Filed on Jun. 12, 2020, as Appl. No. 16/900,293.
Prior Publication US 2021/0386473 A1, Dec. 16, 2021
Int. Cl. A61B 18/14 (2006.01); A61B 18/12 (2006.01); A61B 18/16 (2006.01); A61B 18/00 (2006.01); A61B 17/00 (2006.01)
CPC A61B 18/1402 (2013.01) [A61B 18/1206 (2013.01); A61B 18/16 (2013.01); A61B 18/149 (2013.01); A61B 2017/0088 (2013.01); A61B 2017/00367 (2013.01); A61B 2017/00734 (2013.01); A61B 2018/00077 (2013.01); A61B 2018/00178 (2013.01); A61B 2018/00589 (2013.01); A61B 2018/00595 (2013.01); A61B 2018/00601 (2013.01); A61B 2018/00684 (2013.01); A61B 2018/00946 (2013.01); A61B 2018/126 (2013.01); A61B 2018/1253 (2013.01); A61B 2018/144 (2013.01); A61B 2018/1407 (2013.01); A61B 2018/1412 (2013.01); A61B 2018/1495 (2013.01)] 20 Claims
OG exemplary drawing
 
15. An electrode assembly for an electrosurgical instrument, comprising:
a housing;
an active electrical connector extending from a proximal end of the housing;
a return electrical connector extending from the proximal end of the housing;
a return electrode having a distal end portion extending distally from the housing and a proximal end portion disposed within the housing and coupled to the return electrical connector;
an active electrode coupled to the active electrical connector;
an insulator disposed at the distal end portion of the return electrode, the insulator configured to support the active electrode; and
a tensioning mechanism disposed within the housing and configured to tension the active electrode.