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특허 상세정보

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System and method for determining indicated pacemaker replacement time based upon battery impedance measurement

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61N-001/37   
미국특허분류(USC) 607/29
출원번호 US-0427418 (1995-04-24)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 84  인용 특허 : 12
초록
▼

A programmable pacing system and method, the system having the capability for providing an indication of recommended replacement time (RRT) as well as a prior warning of six months to RRT. RRT is determined by storing a value in the pacemaker corresponding to battery impedance at RRT, continuously periodically measuring battery impedance, and comparing the measured value with the stored RRT value. Whenever the pacemaker is reprogrammed to different operating conditions which affect RRT, or there is a significant change in load lead resistance, a new valu...

대표
청구항
▼

A programmable implantable pacemaker, said pacemaker having a battery which provides energy to said pacemaker, said battery having at least one parameter which changes with cumulative expenditure of energy to said pacemaker, a controllable pulse generator for generating pace pulses, and programming means for programming said pacemaker to operate under a programmed set of operating conditions, said pacemaker further comprising: measuring means for obtaining an actual measure of the actual value of said battery parameter; means tier storing a reference mea...

이 특허에 인용된 특허 (12)

  1. Wayne David A. (Scottsdale AZ) Huyhn Tho (Mesa AZ) Ireland Jeff (Brooklyn Park MN). Battery impedance measurement apparatus. USP1992085137020.
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  4. Saulson Stanley H. (Miami FL) Schroeppel Edward A. (Miramar FL) Tarjan Peter P. (Miami FL). Cardiac pacer with improved battery system, output circuitry, and emergency operation. USP1984034437466.
  5. Renirie W. C. M. (Berg en Dal NLX) Tudose Andrei (Hengelo NLX) Vonk B. F. M. (Wehl NLX). Cardiac pacing system with improved end-of-life detector. USP1995105458624.
  6. Renirie Alexis C. M. (Nijmegen NLX). Circuit and method for detecting battery source end of life. USP1981034259639.
  7. Begemann Malcolm J. S. (Velp NLX) Stoop Gustaaf A. P. (Dieren NLX) van der Veen Johannes S. (Arnhem NLX). Dual chamber pacing system with dynamic physiological tracking and method of timing delivered stimulus for optimized syn. USP1993095247930.
  8. Ekwall Christer (Spanga SEX). In vivo implantable medical device with battery monitoring circuitry. USP1993035193538.
  9. Ekwall Christer (Spanga SEX). Lead impedance scanning system for pacemakers. USP1990024899750.
  10. Thompson David L. (Fridley MN). Method and apparatus for battery depletion monitoring. USP1995025391193.
  11. Benzing ; III George (Cincinnati OH) Iltis Rumult (Cincinnati OH). Method and apparatus for measuring the ohmic contact resistance of an electrode attached to body tissue. USP1981014245643.
  12. Ryan Terrence G. (North Oaks MN) Busacker James W. (Buffalo MN) Hochban Robert A. (Circle Pines MN). Pacemaker telemetry system. USP1994095350411.

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