Transcutaneous power supply
First Claim
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1. An in-body power supply for supplying energy to drive an in-body device, the in-body power supply comprising:
- a receiver for receiving energy from an external power source outside the body; and
a transfer for transferring energy from the receiver to the in-body device, wherein the transfer determines an energy level of the energy and limits the energy to be transferred to the in-body device when the energy level exceeds a predetermined threshold such that variations in energy from the external power source are compensated for without communication between the in-body power supply and the external power source.
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Abstract
An in-body power supply for supplying energy to an in-body device. The in-body power supply is configured to transfer energy to the in-body device and to compensate for variations and to receive energy without communication between the in-body power supply and an external power source outside the body.
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Citations
20 Claims
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1. An in-body power supply for supplying energy to drive an in-body device, the in-body power supply comprising:
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a receiver for receiving energy from an external power source outside the body; and a transfer for transferring energy from the receiver to the in-body device, wherein the transfer determines an energy level of the energy and limits the energy to be transferred to the in-body device when the energy level exceeds a predetermined threshold such that variations in energy from the external power source are compensated for without communication between the in-body power supply and the external power source. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An in-body supply for use in driving an in-body device, the in-body supply comprising:
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a transformer for receiving AC magnetic power from an external power source outside the body and generating an AC voltage; a rectifier for rectifying the AC voltage to a first DC voltage having a voltage level; a converter for converting the first DC voltage to a second DC voltage when the voltage level of the first DC voltage exceeds a predetermined threshold such that the second DC voltage is for use in driving the in-body device; and a voltage monitor for monitoring the voltage level of the first DC voltage and for bypassing the converter when the voltage level fails to exceed the predetermined threshold such that the first DC voltage is for use in driving the in-body device, wherein the converter and voltage monitor compensate for alignment variations affecting voltage without communication between the in-body device and the external power source. - View Dependent Claims (11, 12, 13, 14)
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15. A method for transcutaneously providing energy to an in-body device, the method comprising:
configuring an implantable device to receive energy from an external power source outside the body and to transfer energy to the in-body device, wherein the implantable device determines an energy level of the energy and limits the energy to be transferred to the in-body device when the energy level exceeds a predetermined threshold such that variations in alignment affecting voltage received from the external power source are compensated for without communication between the in-body power supply and the external power source. - View Dependent Claims (16, 17, 18, 19, 20)
Specification