Recharging power sources of implantable medical devices
First Claim
1. A medical system comprising:
- a first implantable medical device (IMD) comprising;
circuitry configured to at least one of deliver a therapy to a patient or sense a physiological signal from the patient;
a first rechargeable power source; and
a secondary coil coupled to the first rechargeable power source, the secondary coil configured to charge the first rechargeable power source via inductive coupling with a primary coil of an external charging device; and
processing circuitry configured to control charging of the first rechargeable power source based on a charge state of a second rechargeable power source of a second IMD, wherein at least one of the first IMD, the second IMD, the external charging device, or an external programmer comprises the processing circuitry.
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Accused Products
Abstract
In some examples, a medical device system includes a first implantable medical device. The first implantable medical device (IMD) may comprise circuitry configured to at least one of deliver a therapy to a patient or sense a physiological signal from the patient; generate stimulation deliverable to a patient; a first rechargeable power source; and a secondary coil coupled to the first rechargeable power source, the secondary coil configured to charge the first rechargeable power source via inductive coupling with a primary coil of an external charging device. The medical device system may comprise processing circuitry configured to control charging of the first rechargeable power source based on a charge state of a second rechargeable power source of a second IMD.
14 Citations
28 Claims
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1. A medical system comprising:
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a first implantable medical device (IMD) comprising; circuitry configured to at least one of deliver a therapy to a patient or sense a physiological signal from the patient; a first rechargeable power source; and a secondary coil coupled to the first rechargeable power source, the secondary coil configured to charge the first rechargeable power source via inductive coupling with a primary coil of an external charging device; and processing circuitry configured to control charging of the first rechargeable power source based on a charge state of a second rechargeable power source of a second IMD, wherein at least one of the first IMD, the second IMD, the external charging device, or an external programmer comprises the processing circuitry. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for controlling charging of a first rechargeable power source of a first implantable medical device (IMD) in a patient, the method comprising:
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receiving, at a secondary coil of the first IMD, energy via inductive coupling from a primary coil of an external charging device; controlling, by processing circuitry, charging of the first rechargeable power source based on a charge state of a second rechargeable power source of a second IMD, wherein at least one of the first IMD, the second IMD, the external charging device, or an external programmer comprises the processing circuitry. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A medical system comprising:
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a first implantable medical device (IMD) comprising; first circuitry configured to at least one of deliver a first therapy to a patient or sense a first physiological signal from the patient; a first rechargeable power source; and a secondary coil coupled to the first rechargeable power source, the secondary coil configured to charge the first rechargeable power source via inductive coupling with a primary coil of an external charging device; a second IMD comprising; second circuitry configured to at least one of deliver a second therapy to the patient or sense a second physiological signal from the patient; a second rechargeable power source; and a secondary coil coupled to the second rechargeable power source, the secondary coil configured to charge the second rechargeable power source via inductive coupling with the primary coil of the external charging device; and processing circuitry configured to; determine a charge state of the first rechargeable power source and a charge state of the second rechargeable power source; control the first IMD to achieve a target charge state of the first rechargeable power source based on the charge state of the second rechargeable power source of the second IMD; and control delivering energy from the external charging device to the secondary coils coupled to the first and second rechargeable power sources, wherein at least one of the first IMD, the second IMD, the external charging device, or an external programmer comprises the processing circuitry. - View Dependent Claims (22, 23, 24)
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25. A method for controlling charging of a first rechargeable power source of a first implantable medical device (IMD) in a patient, the method comprising:
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determining, by processing circuitry, a charge state of the first rechargeable power source and a charge state of a second rechargeable power source of a second IMD; controlling, by the processing circuitry, the first IMD to achieve a target charge state of the first rechargeable power source based on the charge state of the second rechargeable power source of the second IMD; and delivering, by a primary coil and via inductive coupling, energy to the first and second IMDs. - View Dependent Claims (26, 27, 28)
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Specification