# US 2019/0167160 A1 · Multi-stream data collection system for noninvasive measurement of blood constituents > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0167160 A1 - Document ID: US20190167160A1 - Status: Published application - Kind: A1 - Application number: 16/261,366 - Filed: 2019-01-29 - Published: 2019-06-06 - Earliest claimed: 2008-07-03 - Assignees: Masimo Corporation - Applicants: Masimo Corporation - Inventors: Jeroen Poeze; Marcelo Lamego; Sean Merritt; Cristiano Dalvi; Hung Vo; Johannes Bruinsma; Ferdyan Lesmana; Massi Joe E. Kiani; Greg Olsen - Web page: https://patentgrep.com/patent/US20190167160A1 ## CPC - A61B 5/1455: using optical sensors, e.g. spectral photometrical oximeters - A61B 5/02416: {using photoplethysmograph signals, e.g. generated by infrared radiation (A61B5/14552 takes precedence)} - A61B 5/02427: {Details of sensor} - A61B 5/14532: {for measuring glucose, e.g. by tissue impedance measurement} - A61B 5/14546: {for measuring analytes not otherwise provided for, e.g. ions, cytochromes} - A61B 5/14551: {for measuring blood gases} - A61B 5/14552: {Details of sensors specially adapted therefor} - A61B 5/4875: {Hydration status, fluid retention of the body} - A61B 5/6816: {Ear lobe} - A61B 5/6826: {Finger} - A61B 5/6829: {Foot or ankle} - A61B 5/6838: {Clamps or clips} - A61B 5/6843: {Monitoring or controlling sensor contact pressure} - A61B 5/70: {Means for positioning the patient in relation to the detecting, measuring or recording means} - A61B 5/7275: {Determining trends in physiological measurement data; Predicting development of a medical condition based on physiological measurements, e.g. determining a risk factor} - A61B 2562/0233: Special features of optical sensors or probes classified in A61B5/00 - A61B 2562/04: Arrangements of multiple sensors of the same type - A61B 2562/046: in a matrix array - A61B 2562/146: for optical coupling - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## 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 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. ## Claims ### Claim 1 (canceled) ### Claim 2 A noninvasive optical physiological sensing system comprising: a circular platform forming a housing, the circular platform including a raised edge and a planar surface; at least four detectors arranged on the planar surface of the circular platform, wherein the at least four detectors are arranged in a grid pattern such that a first detector and a second detector are arranged across from each other on opposite sides of a central point along a first axis, and a third detector and a fourth detector are arranged across from each other on opposite sides of the central point along a second axis which is perpendicular to the first axis; and a light permeable cover of the housing. ### Claim 3 (depends on 2) The noninvasive optical physiological sensing system of claim 2, wherein the light permeable cover is joined to the housing along the raise edge of the housing, and the light permeable cover and the housing together hermetically seal the at least for detectors. ### Claim 4 (depends on 3) The noninvasive optical physiological sensing system of claim 3, wherein the light permeable cover comprises a protrusion. ### Claim 5 (depends on 4) The noninvasive optical physiological sensing system of claim 4, wherein the protrusion comprises a convex lens. ### Claim 6 (depends on 4) The noninvasive optical physiological sensing system of claim 4, wherein the light permeable cover is comprised of a rigid material. ### Claim 7 (depends on 6) The noninvasive optical physiological sensing system of claim 6, wherein the light permeable cover is configured to be positioned between the at least four detectors and tissue of a user when the noninvasive optical physiological sensing system is worn by the user. ### Claim 8 (depends on 7) The noninvasive optical physiological sensing system of claim 7, wherein the light permeable cover is configured to conform tissue of the user to at least a portion of an external surface shape of the light permeable cover when the noninvasive optical physiological sensing system is worn by the user. ### Claim 9 (depends on 8) The noninvasive optical physiological sensing system of claim 8, wherein the raised edge creates a gap between the planar surface and the light permeable cover. ### Claim 10 (depends on 8) The noninvasive optical physiological sensing system of claim 8, wherein the housing provides noise shielding for the at least four detectors. ### Claim 11 (depends on 10) The noninvasive optical physiological sensing system of claim 10, wherein the light permeable cover comprises a conductive layer configured to shield the at least four detectors from noise. ### Claim 12 (depends on 2) The noninvasive optical physiological sensing system of claim 2, wherein the physiological parameter is pulse rate. ### Claim 13 (depends on 2) The noninvasive optical physiological sensing system of claim 2, wherein the physiological parameter is at least one of: glucose, oxygen, oxygen saturation, methemoglobin, total hemoglobin, carboxyhemoglobin, or carbon monoxide. ### Claim 14 (depends on 2) The noninvasive optical physiological sensing system of claim 2, wherein the noninvasive optical physiological sensing system is a disposable or a reusable sensing system. ### Claim 15 (depends on 2) The noninvasive optical physiological sensing system of claim 2, wherein the first detector is arranged spaced apart from the second detector, and the third detector arranged spaced apart from the fourth detector. ### Claim 16 (depends on 15) The noninvasive optical physiological sensing system of claim 15, wherein the noninvasive optical physiological sensing system provides a variation in optical path length to the at least four detectors. ### Claim 17 (depends on 2) The noninvasive optical physiological sensing system of claim 2 further comprising a touch-screen display. ### Claim 18 (depends on 2) The noninvasive optical physiological sensing system of claim 2 further comprising: a processor configured to: receive one or more signals from the at least four detectors, the one or more signals indicative of a physiological parameter of a wearer of the noninvasive optical physiological sensing system; and output information indicative of measurements of the physiological parameter to a mobile phone. ### Claim 19 (depends on 18) The noninvasive optical physiological sensing system of claim 18, wherein at least the processor is housed in a mobile monitoring device comprising a touch-screen display. ### Claim 20 A noninvasive optical physiological sensing system comprising: a platform forming a housing, the platform including a circular wall protruding from the platform; at least four detectors arranged on the platform and within the circular wall, the at least four detectors spaced apart from each other and configured to output one or more signals responsive to light from one or more light emitters attenuated by body tissue, the one or more signals indicative of a physiological parameter of a wearer of the noninvasive optical physiological sensing system; and a light permeable cover arranged above at least a portion of the housing, the light permeable cover protruding from the circular wall of the platform. ### Claim 21 (depends on 20) The noninvasive optical physiological sensing system of claim 20, wherein the light permeable cover is comprised of a rigid material. ### Claim 22 (depends on 21) The noninvasive optical physiological sensing system of claim 21, wherein the light permeable cover is configured to be positioned between the at least four detectors and tissue of a user when the noninvasive optical physiological sensing system is worn by the user. ### Claim 23 (depends on 22) The noninvasive optical physiological sensing system of claim 22, wherein the light permeable cover is configured to conform tissue of the user to at least a portion of an external surface shape of the light permeable cover when the noninvasive optical physiological sensing system is worn by the user. ### Claim 24 (depends on 23) The noninvasive optical physiological sensing system of claim 23, wherein the physiological parameter is at least one of: glucose, oxygen, oxygen saturation, methemoglobin, total hemoglobin, carboxyhemoglobin, or carbon monoxide. ### Claim 25 (depends on 23) The noninvasive optical physiological sensing system of claim 23, wherein the physiological parameter is pulse rate. ### Claim 26 (depends on 25) The noninvasive optical physiological measurement sensing system of claim 25, wherein a first detector is arranged across a central axis from a second detector and a third detector is arranged across the central axis from a fourth detector, wherein the first, second, third and fourth detectors form a cross pattern about the central axis. ### Claim 27 (depends on 26) The noninvasive optical physiological sensing system of claim 26, wherein the noninvasive optical physiological sensing system provides a variation in optical path length to the at least four detectors. ### Claim 28 (depends on 27) The noninvasive optical physiological sensing system of claim 27, wherein the noninvasive optical physiological sensing system is comprised as part of a mobile monitoring device. ### Claim 29 (depends on 28) The noninvasive optical physiological sensing system of claim 28, wherein the mobile monitoring device includes a touch-screen display. ### Claim 30 (depends on 20) A physiological monitoring system comprising: the noninvasive optical physiological sensing system of claim 20; and a processor configured to receive the one or more signals and communicate physiological measurement information to a mobile phone.