公开(公告)号：CA2128996A1

公开(公告)日：1991-09-16

申请号：CA2128996

申请日：1991-03-13

Applicant: VALLEYLAB INC

Inventor： DELAHUERGA LOUIS ,  STODDARD ROBERT B ,  KLOCEK MICHAEL S

IPC: A61B18/12 ,  A61B18/00 ,  A61B17/36

Abstract: A device for enhancing the safety and efficiency of a hand-operated electrosurgical pencil having an electrode 2 with a distal end 2 min defining a tip for cutting or coagulating biological tissue, which device 10 comprises a nose piece adapted to be mounted about said electrode and containing conduit means defining converging pathways for streams of gas which impinge obliquely on said electrode at or near the tip thereof, and electrosurgical apparatus incorporating said device.