Telemetry-synchronized physiological monitoring and therapy delivery systems
First Claim
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1. A system of autonomous implantable medical devices, the system comprising:
- a first implantable medical device for interacting with a first region of a body of a patient, the first implantable medical device comprising an ECG monitor;
a second implantable medical device for interacting with a second region of the body of the patient, the second implantable medical device comprising an EEG monitor;
an inter-device telemetry link for wirelessly linking the first and second implantable medical devices; and
a trigger circuit in the first implantable medical device which, when triggered in response to a detected event based on a first physiologic parameter, transmits a trigger signal via the inter-device telemetry link to the second implantable medical device;
wherein the second implantable medical device initiates storage of data of a second physiological parameter in response to its receipt of the trigger signal, such that the trigger signal causes the second implantable medical device to store data of the second physiological parameter substantially simultaneously with storage of data of the first physiological parameter.
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Abstract
A physiological monitoring or therapy delivery system includes autonomous, wirelessly linked, implantable devices located at different areas to sense physiologic signals and deliver therapy. At least one of the implantable devices can trigger synchronized action (e.g. data capture or therapy delivery) by other implantable devices via a telemetry link.
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Citations
20 Claims
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1. A system of autonomous implantable medical devices, the system comprising:
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a first implantable medical device for interacting with a first region of a body of a patient, the first implantable medical device comprising an ECG monitor; a second implantable medical device for interacting with a second region of the body of the patient, the second implantable medical device comprising an EEG monitor; an inter-device telemetry link for wirelessly linking the first and second implantable medical devices; and a trigger circuit in the first implantable medical device which, when triggered in response to a detected event based on a first physiologic parameter, transmits a trigger signal via the inter-device telemetry link to the second implantable medical device; wherein the second implantable medical device initiates storage of data of a second physiological parameter in response to its receipt of the trigger signal, such that the trigger signal causes the second implantable medical device to store data of the second physiological parameter substantially simultaneously with storage of data of the first physiological parameter. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A system comprising:
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a first implantable device for storing first physiologic signal data, the first implantable device including an internal clock, a transmitter, and a data capture trigger circuit for causing the transmitter to transmit a trigger signal; and a second implantable device for storing second physiologic signal data, the second implantable device including a clock, a receiver for receiving trigger signals, wherein the second implantable device, in response to a trigger signal received from the trigger circuit of the first implantable device, records a clock value and the second physiologic signal data, wherein the first and second implantable medical devices comprise sensors for sensing arterial pressure at different locations along an artery. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. A system of autonomous implantable medical devices, the system comprising:
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a first implantable medical device for interacting with a first region of a body of a patient; a second implantable medical device for interacting with a second region of the body of the patient, wherein the first and second implantable medical devices comprise sensors for sensing arterial pressure at different locations along an artery; an inter-device telemetry link for wirelessly linking the first and second implantable medical devices; and a trigger circuit in the first implantable medical device which, when triggered in response to a detected event based on a first physiologic parameter, transmits a trigger signal via the inter-device telemetry link to the second implantable medical device; wherein the second implantable medical device initiates storage of data of a second physiological parameter in response to its receipt of the trigger signal, such that the trigger signal causes the second implantable medical device to store data of the second physiological parameter substantially simultaneously with storage of data of the first physiological parameter. - View Dependent Claims (16, 17)
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18. A system comprising:
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a first implantable device for storing first physiologic signal data, the first implantable device including an internal clock, a transmitter, and a data capture trigger circuit for causing the transmitter to transmit a trigger signal, wherein the first implantable medical device comprises an ECG monitor; and a second implantable device for storing second physiologic signal data, the second implantable device including a clock, a receiver for receiving trigger signals, wherein the second implantable device, in response to the trigger signal received from the trigger circuit of the first implantable device, records a clock value and the second physiologic signal data, wherein the second implantable medical device comprises an EEG monitor. - View Dependent Claims (19, 20)
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Specification