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Medical implant having closed loop transcutaneous energy transfer (TET) power transfer regulation circuitry
专利权人:
Ethicon Endo-Surgery; Inc.
发明人:
Bloom, Gordon Edward,Hassler Jr., William L.
申请号:
AU2005202334
公开号:
AU2005202334B2
申请日:
2005.05.26
申请国别(地区):
AU
年份:
2012
代理人:
摘要:
#$%^&*AU2005202334B220120216.pdf#####ABSTRACT An implantable medical device, such as a bi-directional infuser device for hydraulically controlling an artificial sphincter (e.g., adjustable gastric band) benefits from being remotely powered by transcutaneous energy transfer (TET), obviating the need for batteries. In order for active components in the medical device to operate, a sinusoidal power signal received by a secondary coil is rectified and filtered. An amount of power transferred is modulated. In one version, a voltage comparison is made of a resulting power supply voltage as referenced to a threshold to control pulse width modulation (PWM) of the received sinusoidal power signal, achieving voltage regulation. Versions incorporate detuning or uncoupling of the secondary coil to achieve PWM control without causing excessive heating of the medical device.1/15 0 IX 0 Q-0 zzz (900 CN cv) co cv) (N ( __ (D C
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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