Patent ID: 9142989
Filing Date: 2015-09-22
Classification: A61N,H02J

Abstract:
1. A method for charging a rechargeable battery in a medical device using an external charger, said method comprising the steps of: wirelessly transmitting a power signal from the external charger to the medical device, said power signal including power for charging the rechargeable battery; in the medical device, measuring a value of a first variable relating to the power signal received by the medical device from the external charger; transmitting the value of the first variable from the medical device to the external charger concurrent with wirelessly receiving the power signal; in the external charger, measuring a value of a second variable relating to the power signal transmitted by the external charger to the medical device; and adjusting the power signal transmitted from the external charger to the medical device at least partly based on values of both said first variable and said second variable.