NON-CONTACT SYSTEM AND METHOD FOR MONITORING A PHYSIOLOGICAL CONDITION
First Claim
1. A system for non-contact measurements of a physiological condition, comprising:
- a laser configured to optically interrogate a surface of a patient'"'"'s body with an optical signal;
a detector configured to receive reflected light from the surface in response to the optical signal;
a controller configured to determine velocity data representing a velocity of the surface based on the optical signal and the reflected light; and
a processor configured to compute a corresponding displacement waveform representing displacement of the surface based on the velocity data, the corresponding displacement waveform representing the physiological condition.
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Accused Products
Abstract
Systems and methods are disclosed for measuring a physiological signal of a patient without having to contact the patient. A system can include a laser configured to provide an optical beam to a surface associated with a patient. A detector receives light from the surface in response to the optical beam. A controller is configured to generate velocity data representing a velocity of the surface based on the detected interference of the optical beam and the reflected light. A processor computes a corresponding displacement waveform representing displacement of the surface based on the velocity waveform, the displacement waveform representing the physiological condition.
12 Citations
20 Claims
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1. A system for non-contact measurements of a physiological condition, comprising:
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a laser configured to optically interrogate a surface of a patient'"'"'s body with an optical signal; a detector configured to receive reflected light from the surface in response to the optical signal; a controller configured to determine velocity data representing a velocity of the surface based on the optical signal and the reflected light; and a processor configured to compute a corresponding displacement waveform representing displacement of the surface based on the velocity data, the corresponding displacement waveform representing the physiological condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A system for non-contact measurements of a physiological condition, comprising:
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a laser configured to emit an optical signal to a surface of a patient'"'"'s body; an optical detector configured to receive a reflected optical signal from the surface in response to the emitted optical beam; a controller configured to determine velocity data representing a velocity of the surface based on the detected signal; a data acquisition component configured to collect the velocity data; an integrator configured to integrated the velocity data with respect to time; and a waveform generator configured to generate a displacement waveform representing displacement of the surface based on the velocity data, the displacement waveform corresponding to the physiological condition. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification