Patent · US Expired

Bipolar electrosurgical forceps

US4938761A · kind A · utility

466Cited by
6References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 6, 1990
Grant dateJul 3, 1990
Priority date
Expiry dateMar 6, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2018/00821
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A bioplar electrosurgical forceps carries a thermocouple junction at the distal end of each of two mutually opposed prongs. The junctions are formed by welding a constantan wire directly to the ferrous metal prongs, thereby avoiding the need for electrical isolation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.