PERSONAL COMPUTER-BASED VITAL SIGNS MONITOR
First Claim
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1. A system for measuring blood pressure from a patient, comprising:
- a blood pressure module comprising both optical and electrical systems for measuring, respectively, optical and electrical signals from the patient, a serial communication system, and a power management system;
an external computing device configured to attach to the blood pressure module, supply power to the blood pressure module, and receive optical and electrical signals from the blood pressure module through the serial communication system; and
an algorithm, operating on the external computing device, that processes the optical and electrical signals received through the serial communication system to determine the patient'"'"'s blood pressure.
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Abstract
The invention provides a system for measuring blood pressure from a patient that includes: 1) an optical module featuring systems for measuring signals from the patient, serial communication, and power management; 2) an external computing device configured to attach to the optical module, supply power to the optical module, and receive information from the optical module through the system for serial communication; and 3) an algorithm, operating on the external computing device, that processes information received through the system for serial communication to determine the patient'"'"'s blood pressure.
327 Citations
22 Claims
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1. A system for measuring blood pressure from a patient, comprising:
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a blood pressure module comprising both optical and electrical systems for measuring, respectively, optical and electrical signals from the patient, a serial communication system, and a power management system;
an external computing device configured to attach to the blood pressure module, supply power to the blood pressure module, and receive optical and electrical signals from the blood pressure module through the serial communication system; and
an algorithm, operating on the external computing device, that processes the optical and electrical signals received through the serial communication system to determine the patient'"'"'s blood pressure. - View Dependent Claims (2, 3, 4)
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5. A system for measuring blood pressure from a patient, comprising:
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a blood pressure module comprising optical and electrical systems for measuring, respectively, optical and electrical signals from the patient, a serial communication system, and a power management system, the blood pressure module configured to attach to an external computing device to receive power and to provide optical and electrical signals through the serial communication system; and
an algorithm, operating on the external computing device, that processes the optical and electrical signals received through the serial communication system to determine the patient'"'"'s blood pressure. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12)
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13. A system for measuring blood pressure from a patient, comprising:
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a blood pressure module comprising optical and electrical systems for measuring, respectively, optical and electrical signals from the patient, and a serial communication system, the blood pressure module configured to interface to an external wireless device to provide the optical and electrical signals through the serial communication system; and
an algorithm, operating on the external wireless device, that processes the optical and electrical signals received through the serial communication system to determine the patient'"'"'s blood pressure. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A patch for measuring blood pressure, pulse oximetry, and cardiac arrhythmia values from a patient, comprising:
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an optical component comprising at least two light-emitting diodes and a photodetector configured to measure time-resolved optical waveforms generated independently from each light-emitting diode from a region of the patient underneath the optical component;
an electrical component comprising at least one electrode and configured to measure a time-resolved electrical waveform from a region of the patient underneath the electrical component;
a microprocessor configured to receive the time-resolved optical and electrical waveforms and;
1) process the time-resolved optical waveforms generated independently from each light-emitting diode to determine a pulse oximetry value;
2) process the time-resolved electrical waveform generated by the at least one electrode to determine a cardiac arrhythmia value; and
3) process one of the optical waveforms and the electrical waveform to determine a time difference, and then process the time difference to determine a blood pressure value. - View Dependent Claims (21, 22)
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Specification