MOBILE DEVICE SYSTEM FOR MEASUREMENT OF CARDIOVASCULAR HEALTH
First Claim
1. A system for monitoring cardiovascular health comprising:
- a) an electrode-based module, comprising at least two electrodes which contact skin, to generate a first set of data measuring a target heart beat;
b) a mobile device, held in a hand, comprising;
i) an optical module, comprising a camera, to generate a second set of data measuring a pulse wave created by the same target heart beat corresponding to the first set of data;
ii) a processor, in communication with both the electrode-based module and the optical module, that receives the first and second sets of data and calculates at least one cardiovascular health value using the data; and
iii) a wireless transceiver, operably connected to the processor, for data exchange.
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Abstract
A system that continuously monitors cardiovascular health using an electrocardiography (ECG) source synchronized to an optical (PPG) source, without requiring invasive techniques or ongoing, large-scale external scanning procedures. The system includes an ECG signal source with electrodes contacting the skin, which generates a first set of information, and a mobile device having a camera which acts as a PPG signal source that generates a second set of information. Together with the mobile device'"'"'s processor, configured to receive and process the first and second sets of information, from which the time differential of the heart beat pulmonary pressure wave can be calculated, continuous data related to cardiovascular health markers such as arterial stiffness can be determined. Variations of the ECG source may include a chest strap, a plug-in adaptor for the mobile device, or electrodes built into the mobile device.
39 Citations
20 Claims
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1. A system for monitoring cardiovascular health comprising:
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a) an electrode-based module, comprising at least two electrodes which contact skin, to generate a first set of data measuring a target heart beat; b) a mobile device, held in a hand, comprising; i) an optical module, comprising a camera, to generate a second set of data measuring a pulse wave created by the same target heart beat corresponding to the first set of data; ii) a processor, in communication with both the electrode-based module and the optical module, that receives the first and second sets of data and calculates at least one cardiovascular health value using the data; and iii) a wireless transceiver, operably connected to the processor, for data exchange. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An ECG adaptor, for a mobile device, comprising:
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a. a housing; b. at least two contact electrodes on the surface of the housing; c. a processor within the housing; d. an analog-to-digital converter within the housing which converts the analog signal from the contact electrodes into a digital signal that is conveyed to the processor; and e. a means to plug into the mobile device and allow the adaptor'"'"'s processor to communicate with the mobile device'"'"'s processor. - View Dependent Claims (12, 13)
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14. A method of monitoring at least one cardiovascular health marker over time comprising the following steps, in interchangeable order where possible:
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a. obtaining an ECG signal for a target heart beat to generate a first set of data; b. obtaining a PPG signal for a pulse wave from the same target heart beat, using a mobile device having a camera which functions as a PPG source, to generate a second set of data; c. transmitting the first and second sets of data to the mobile device'"'"'s processor; d. calculating at least one cardiovascular health marker with the processor, using the first and second sets of data; e. monitoring at least one cardiovascular health marker continuously over time. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification