Patent · US Active

Determination of upper limit of vulnerability using a variable number of shocks

US8644923B2 · kind B2 · utility

0Cited by
10References
21Claims
0Family size

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Key dates

Filing dateJul 24, 2008
Grant dateFeb 4, 2014
Priority date
Expiry dateJul 12, 2031

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61N1/3943
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A method and apparatus sense a cardiac electrical signal and determine a signal quality parameter of the cardiac electrical signal. A number of shock pulses to be delivered to a patient's heart is determined in response to the signal quality parameter. Each of the shock pulses are scheduled to be delivered at a unique offset from a T-wave shock interval in one embodiment of the invention.

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