Patent · US Expired

Travenously placed defibrillation leads

US4998975A · kind A · utility

165Cited by
20References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 1989
Grant dateMar 12, 1991
Priority date
Expiry dateOct 30, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61N1/0587
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A cardiac defibrillation system and method includes an epicardial electrode for making electrical contact with the epicardium from a position within the pericardial space, an endocardial electrode for making electrical contact with the endocardium of the heart, and means for making electrical contact with the epicardial and endocardial electrodes. The endocardial electrode is inserted transvenously into the heart in conventional manner. The epicardial electrode is also inserted transvenously into the heart, through the heart wall, and into the pericardial space. No open chest surgery is required.

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