HYBRID POWERING SYSTEM FOR AN IMPLANTED MEDICAL DEVICE
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United States of America Patent
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Issued Date -
Feb 18, 2021
app pub date -
Oct 12, 2020
filing date -
Dec 12, 2017
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Abstract
A hybrid powering system for an implanted medical device combines wireless power transfer with transcutaneous wired power transfer and/or control. A ventricular assist device (VAD) can include an implantable controller with a rechargeable battery, and an implantable power receiver antenna for receiving wireless power from a transmitter located outside of the patient's body. The power receiver charges the battery and allows the controller to drive the VAD. The system also includes the ability to connect a hardwired connection via a connector device configured to be implanted percutaneously. The connector device provides a socket for an external power source or an external controller to plug directly into the system, providing hardwired power and/or control to the implanted VAD. When an external controller is connected it causes the implanted controller to stop driving the VAD, in order to avoid short circuiting the VAD. The percutaneous connector device can be used as a backup power source in case the wireless connection fails, or it can be used discretionally, such as for overnight charging.
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