Multi-stream data collection system for noninvasive measurement of blood constituents
DC CAFCFirst Claim
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1. A physiological measurement system comprising:
- a physiological sensor device comprising;
one or more emitters configured to emit light into tissue of a user;
a first set of photodiodes, wherein;
the first set of photodiodes comprises at least four photodiodes,the photodiodes of the first set of photodiodes are connected to one another in parallel to provide a first signal stream, andeach of the photodiodes of the first set of photodiodes has a corresponding window that allows light to pass through to the photodiode;
a second set of photodiodes, wherein;
the second set of photodiodes comprises at least four photodiodes,the photodiodes of the second set of photodiodes are connected to one another in parallel to provide a second signal stream, andeach of the photodiodes of the second set of photodiodes has a corresponding window that allows light to pass through to the photodiode;
a wall that surrounds at least the first and second sets of photodiodes; and
a cover comprising a protruding convex surface, wherein the protruding convex surface is above all of the photodiodes of the first and second sets of photodiodes, wherein at least a portion of the protruding convex surface is rigid, and wherein the cover is above the wall; and
a handheld computing device in wireless communication with the physiological sensor device, wherein the handheld computing device comprises;
one or more processors configured to wirelessly receive one or more signals from the physiological sensor device, the one or more signals responsive to at least a physiological parameter of the user;
a touch-screen display configured to provide a user interface, wherein;
the user interface is configured to display indicia responsive to measurements of the physiological parameter, andan orientation of the user interface is configurable responsive to a user input; and
a storage device configured to at least temporarily store at least the measurements of the physiological parameter.
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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.
1382 Citations
30 Claims
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1. A physiological measurement system comprising:
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a physiological sensor device comprising; one or more emitters configured to emit light into tissue of a user; a first set of photodiodes, wherein; the first set of photodiodes comprises at least four photodiodes, the photodiodes of the first set of photodiodes are connected to one another in parallel to provide a first signal stream, and each of the photodiodes of the first set of photodiodes has a corresponding window that allows light to pass through to the photodiode; a second set of photodiodes, wherein; the second set of photodiodes comprises at least four photodiodes, the photodiodes of the second set of photodiodes are connected to one another in parallel to provide a second signal stream, and each of the photodiodes of the second set of photodiodes has a corresponding window that allows light to pass through to the photodiode; a wall that surrounds at least the first and second sets of photodiodes; and a cover comprising a protruding convex surface, wherein the protruding convex surface is above all of the photodiodes of the first and second sets of photodiodes, wherein at least a portion of the protruding convex surface is rigid, and wherein the cover is above the wall; and a handheld computing device in wireless communication with the physiological sensor device, wherein the handheld computing device comprises; one or more processors configured to wirelessly receive one or more signals from the physiological sensor device, the one or more signals responsive to at least a physiological parameter of the user; a touch-screen display configured to provide a user interface, wherein; the user interface is configured to display indicia responsive to measurements of the physiological parameter, and an orientation of the user interface is configurable responsive to a user input; and a storage device configured to at least temporarily store at least the measurements of the physiological parameter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A physiological measurement system comprising:
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a physiological sensor device comprising; one or more emitters configured to emit light into tissue of a user; a first set of photodiodes, the first set of photodiodes comprising at least four photodiodes, the photodiodes of the first set of photodiodes connected to one another in parallel to provide a first signal stream;
wherein each of the photodiodes of the first set of photodiodes has a corresponding window that allows light to pass through to the photodiode;a second set of photodiodes, the second set of photodiodes comprising at least four photodiodes, the photodiodes of the second set of photodiodes connected to one another in parallel to provide a second signal stream, wherein each of the photodiodes of the second set of photodiodes has a corresponding window that allows light to pass through to the photodiode; and a protruding convex surface, wherein the protruding convex surface is positioned such that the protruding convex surface is located between tissue of the user and the photodiodes of the first and second sets of photodiodes when the physiological sensor device is worn by the user; and a handheld computing device in wireless communication with the physiological sensor device. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A physiological measurement system comprising:
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a physiological sensor device comprising; one or more emitters configured to emit light into tissue of a user; a substrate having a first surface; a first set of photodiodes arranged on the first surface, wherein; the first set of photodiodes comprises at least four photodiodes, the photodiodes of the first set of photodiodes are connected to one another in parallel to provide a first signal stream, and each of the photodiodes of the first set of photodiodes has a corresponding window that allows light to pass through to the photodiode; a second set of photodiodes arranged on the first surface, wherein; the second set of photodiodes comprises at least four photodiodes, the photodiodes of the second set of photodiodes are connected to one another in parallel to provide a second signal stream, and each of the photodiodes of the second set of photodiodes has a corresponding window that allows light to pass through to the photodiode; a cover comprising a protruding convex surface, wherein; the protruding convex surface is above all of the photodiodes of the first and second sets of photodiodes, at least a portion of the protruding convex surface is rigid, the cover is above the wall, and the protruding convex surface is configured to be located between tissue of the user and the photodiodes of the first and second sets of photodiodes when the physiological measurement device is worn by the user; a wall that surrounds at least the first and second sets of photodiodes on the first surface, wherein; the wall operably connects to the substrate on one side of the wall, and the wall operably connects to the cover on an opposing side of the wall; and preprocessing electronics configured to preprocess at least one of the first signal stream or the second signal stream, wherein the preprocessing electronics comprise at least; a first amplifier configured to receive the first signal stream from the first set of photodiodes at an input of the first amplifier and at least amplify the first signal stream, and a second amplifier configured to receive the second signal stream from the second set of photodiodes at an input of the second amplifier and at least amplify the second signal stream; and a handheld computing device in wireless communication with the physiological sensor device, wherein the handheld computing device comprises; one or more processors configured to wirelessly receive one or more signals from the physiological sensor device, the one or more signals responsive to at least a physiological parameter of the user, wherein the physiological parameter comprises at least one of;
pulse rate, glucose, oxygen, oxygen saturation, methemoglobin, total hemoglobin, carboxyhemoglobin, or carbon monoxide;a touch-screen display configured to provide a user interface, wherein the user interface is configured to display indicia responsive to measurements of the physiological parameter; and a storage device configured to at least temporarily store at least the measurements of the physiological parameter.
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Specification