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특허 상세정보

Implantable stimulator with battery status measurement

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61N-013/78   
미국특허분류(USC) 607/029
출원번호 US-0118706 (1998-07-17)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Woods
인용정보 피인용 횟수 : 41  인용 특허 : 6
초록

There is provided an implantable device system such as a battery-powered pacemaker system, with an improved capability of measuring battery internal impedance, thereby providing the means to determine anticipated device End of Life. Within one pacemaker cycle following a sensed beat or a delivered stimulus, and before delivery of a next stimulus, three battery measurements are taken at equally spaced time intervals. Due to the RC nature of the battery internal impedance, the first two battery voltage measurements can be used to calculate what the voltage...

대표
청구항

[ What is claimed is:] [1.] An implantable device for generating and delivering stimulus pulses to a location in a patient's body, having a battery which provides energy to said device, said battery having an internal impedance which changes with cumulative expenditure of energy, a controllable pulse generator for generating said stimulus pulses, said device further having impedance means for measuring said battery impedance, said impedance means comprising:voltage means for measuring the voltage output of said battery;timing means operative following a ...

이 특허를 인용한 특허 피인용횟수: 41

  1. Gandhi, Rajesh K.; Linder, William J.; Vanderlinde, Scott; Kalgren, James; Propp, Hal M.. Abnormal battery depletion detection in an implantable device. USP2012078214164.
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  3. Loch, Robert. Battery charge indicator such as for an implantable medical device. USP2005096940255.
  4. Gandhi, Rajesh K.; Root, Michael J.. Battery depth of discharge in an implantable device. USP2014108868187.
  5. Hussain, Saadat. Battery life estimation based on voltage depletion rate. USP2014068761885.
  6. Carbunaru, Rafael; Ozawa, Robert D.; McGiboney, Kenneth A.. Chair pad charging and communication system for a battery-powered microstimulator. USP2012058185212.
  7. Carbunaru, Rafael; Ozawa, Robert D.; McGiboney, Kenneth A.. Charging and communication system for a battery-powered microstimulator. USP2013098543216.
  8. Colborn, John C.. Delivering scheduled and unscheduled therapy without detriment to battery life or accuracy of longevity predictions. USP2016089421355.
  9. Colborn, John C.. Delivering scheduled and unscheduled therapy without detriment to battery life or accuracy of longevity predictions. USP2014108874229.
  10. Kelly, Kevin J.; Torgerson, Nathan A.. Device and method for determining and communicating the remaining life of a battery in an implantable neurological tissue stimulating device. USP2004116820019.
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  14. Gandhi, Rajesh K.; Linder, William J.; Lyden, Michael J.; Stessman, Nicholas J.; Kelly, Jonathan H.; Kalgren, James. Dynamic battery management in an implantable device. USP2014058718771.
  15. Gandhi, Rajesh Krishan; Linder, William J.; Lyden, Michael J.; Stessman, Nicholas J.; Kelly, Jonathan H.; Kalgren, James. Dynamic battery management in an implantable device. USP2011118055343.
  16. Schmidt, Craig L.; Wahlstrand, John D.; Crespi, Ann M.; Younker, Gregory A.; Busacker, James W.. Estimating remaining battery service life in an implantable medical device. USP2013128612167.
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