US 11,864,819 B2
Adjustable electrosurgical pencil with slidable vent tube
Leonard Ineson, Mississauga (CA)
Assigned to Covidien LP, Mansfield, MA (US)
Filed by Covidien LP, Mansfield, MA (US)
Filed on May 11, 2021, as Appl. No. 17/317,219.
Application 17/317,219 is a continuation of application No. 15/996,664, filed on Jun. 4, 2018, granted, now 11,000,329.
Application 15/996,664 is a continuation of application No. 14/424,795, granted, now 9,987,074, issued on Jun. 5, 2018, previously published as PCT/CA2013/000741, filed on Aug. 23, 2013.
Claims priority of provisional application 61/693,826, filed on Aug. 28, 2012.
Prior Publication US 2021/0267662 A1, Sep. 2, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 18/14 (2006.01); A61B 18/00 (2006.01)
CPC A61B 18/1402 (2013.01) [A61B 2018/0091 (2013.01); A61B 2018/00172 (2013.01); A61B 2018/00178 (2013.01); A61B 2018/00184 (2013.01); A61B 2018/00607 (2013.01); A61B 2018/00916 (2013.01); A61B 2018/00928 (2013.01); A61B 2018/1412 (2013.01); A61B 2018/1475 (2013.01); A61B 2217/005 (2013.01); A61B 2218/007 (2013.01); A61B 2218/008 (2013.01)] 17 Claims
OG exemplary drawing
 
9. An electrosurgical tool for performing a surgical procedure, comprising:
a main body;
an elongated vent tube disposed in the main body, the vent tube having a wall that defines an opening through a thickness thereof;
an elongated electrode disposed in the vent tube and configured to move longitudinally relative to at least one of the main body or the vent tube;
a first conducting member electrically coupled to the electrode and restrained within the vent tube; and
a second conducting member disposed outside of the vent tube and within the main body, wherein the first conducting member has a section that extends through the opening of the vent tube and into sliding contact with the second conducting member.