(19)
(11)EP 1 990 020 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
04.03.2009 Bulletin 2009/10

(43)Date of publication A2:
12.11.2008 Bulletin 2008/46

(21)Application number: 08155779.5

(22)Date of filing:  07.05.2008
(51)International Patent Classification (IPC): 
A61B 18/16(2006.01)
A61N 1/06(2006.01)
A61B 18/12(2006.01)
A61B 17/00(2006.01)
(84)Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30)Priority: 11.05.2007 US 803090

(71)Applicant: Covidien AG
8212 Neuhausen am Rheinfall (CH)

(72)Inventors:
  • Dunning, James E.
    Lafayette, CO 80026 (US)
  • Gadsby, Peter
    Broomfield, CO 80021 (US)
  • Gresback, David
    Minneapolis, MN 55454 (US)

(74)Representative: HOFFMANN EITLE 
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München
81925 München (DE)

  


(54)Temperature monitoring return electrode


(57) An electrosurgical return electrode is disclosed. The return electrode includes a first and second flexible conductive material layers and a material layer disposed between the first and second conductive material layers. The material layer is transitionable between a solid state and a non-solid state, the material layer is also configured to melt upon an increase in temperature beyond a predetermined threshold, thereby increasing conductivity between the first and second conductive material layer.







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