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Efficient External Charger for an Implantable Medical Device Optimized for Fast Charging and Constrained by an Implant Power Dissipation Limit
专利权人:
发明人:
Rafael Carbunaru,Jordi Parramon,Robert Ozawa,Jess Shi,Joey Chen,Md. Mizanur Rahman
申请号:
US15172856
公开号:
US20160279427A1
申请日:
2016.06.03
申请国别(地区):
US
年份:
2016
代理人:
摘要:
An external charger for a battery in an implantable medical device and charging techniques are disclosed. Simulation data is used to model the power dissipation of the charging circuitry in the implant at varying levels of implant power. A power dissipation limit constrains the charging circuitry from producing an inordinate amount of heat to the tissue surrounding the implant, and duty cycles of a charging field are determined so as not to exceed that limit. A maximum simulated average battery current determines the optimal (i.e., quickest) battery charging current, and at least an optimal value for a parameter indicative of that current is determined and stored in the external charger. During charging, the actual value for that parameter is determined, and the intensity and/or duty cycle of the charging field are adjusted to ensure that charging is as fast as possible, while still not exceeding the power dissipation limit.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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