Multi-stream data collection system for noninvasive measurement of blood constituents
First Claim
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1. A user-worn physiological measurement device comprising:
- a plurality of emitters configured to emit light into tissue of a user;
at least four detectors arranged on a substrate;
a cover comprising a single protruding convex surface, wherein the single protruding convex surface is configured to be located between tissue of the user and the at least four detectors when the physiological measurement device is worn by the user, wherein at least a portion of the single protruding convex surface is sufficiently rigid to cause tissue of the user to conform to at least a portion of a shape of the single protruding convex surface when the physiological measurement device is worn by the user;
one or more processors configured to;
receive one or more signals from at least one of the at least four detectors, the one or more signals responsive to at least a physiological parameter of the user; and
process the one or more signals to determine measurements of the physiological parameter;
a network interface configured to communicate with a mobile phone;
a touch-screen display configured to provide a user interface, wherein;
the user interface is configured to display indicia responsive to the measurements of the physiological parameter, andan orientation of the user interface is configurable responsive to a user input;
a wall that surrounds at least the at least four detectors, wherein the wall operably connects to the substrate and the cover;
a storage device configured to at least temporarily store at least the measurements of the physiological parameter; and
a strap configured to position the physiological measurement device on the user.
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Abstract
The present disclosure relates to noninvasive methods, devices, and systems for measuring various blood constituents or analytes, such as glucose. In an embodiment, a light source comprises LEDs and super-luminescent LEDs. The light source emits light at at least wavelengths of about 1610 nm, about 1640 nm, and about 1665 nm. In an embodiment, the detector comprises a plurality of photodetectors arranged in a special geometry comprising one of a substantially linear substantially equal spaced geometry, a substantially linear substantially non-equal spaced geometry, and a substantially grid geometry.
1316 Citations
30 Claims
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1. A user-worn physiological measurement device comprising:
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a plurality of emitters configured to emit light into tissue of a user; at least four detectors arranged on a substrate; a cover comprising a single protruding convex surface, wherein the single protruding convex surface is configured to be located between tissue of the user and the at least four detectors when the physiological measurement device is worn by the user, wherein at least a portion of the single protruding convex surface is sufficiently rigid to cause tissue of the user to conform to at least a portion of a shape of the single protruding convex surface when the physiological measurement device is worn by the user; one or more processors configured to; receive one or more signals from at least one of the at least four detectors, the one or more signals responsive to at least a physiological parameter of the user; and process the one or more signals to determine measurements of the physiological parameter; a network interface configured to communicate with a mobile phone; a touch-screen display configured to provide a user interface, wherein; the user interface is configured to display indicia responsive to the measurements of the physiological parameter, and an orientation of the user interface is configurable responsive to a user input; a wall that surrounds at least the at least four detectors, wherein the wall operably connects to the substrate and the cover; a storage device configured to at least temporarily store at least the measurements of the physiological parameter; and a strap configured to position the physiological measurement device on the user. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification