US 7,761,127 C1 (13,085th)
Multiple wavelength sensor substrate
Ammar Al-Ali, Tustin, CA (US); Mohamed Diab, Mission Viejo, CA (US); Marcelo Lamego, Rancho Santa Margarita, CA (US); James P. Coffin, Mission Viejo, CA (US); and Yassir Abdul-Hafiz, Irvine, CA (US)
Filed by Ammar Al-Ali, Tustin, CA (US); Mohamed Diab, Mission Viejo, CA (US); Marcelo Lamego, Rancho Santa Margarita, CA (US); James P. Coffin, Mission Viejo, CA (US); and Yassir Abdul-Hafiz, Irvine, CA (US)
Assigned to Willow Laboratories, Inc.
Reexamination Request No. 90/019,582, Jul. 17, 2024.
Reexamination Certificate for Patent 7,761,127, issued Jul. 20, 2010, Appl. No. 11/366,209, Mar. 1, 2006.
Claims priority of provisional application 60/657,281, filed on Mar. 1, 2005.
Claims priority of provisional application 60/657,268, filed on Mar. 1, 2005.
Claims priority of provisional application 60/657,596, filed on Mar. 1, 2005.
Claims priority of provisional application 60/657,759, filed on Mar. 1, 2005.
Ex Parte Reexamination Certificate issued on Nov. 7, 2025.
Int. Cl. A61B 5/145 (2006.01); A61B 5/00 (2006.01); A61B 5/0205 (2006.01); A61B 5/024 (2006.01); A61B 5/026 (2006.01); A61B 5/0295 (2006.01); A61B 5/1455 (2006.01); A61B 5/1495 (2006.01); G16H 10/40 (2018.01); G16H 40/67 (2018.01); A61B 1/00 (2006.01)
CPC G16H 40/67 (2018.01) [A61B 5/0022 (2013.01); A61B 5/0205 (2013.01); A61B 5/02416 (2013.01); A61B 5/0261 (2013.01); A61B 5/0295 (2013.01); A61B 5/14532 (2013.01); A61B 5/14546 (2013.01); A61B 5/1455 (2013.01); A61B 5/14551 (2013.01); A61B 5/14552 (2013.01); A61B 5/1495 (2013.01); A61B 5/6815 (2013.01); A61B 5/6826 (2013.01); A61B 5/6829 (2013.01); A61B 5/6832 (2013.01); A61B 5/6838 (2013.01); A61B 5/7221 (2013.01); A61B 5/7246 (2013.01); A61B 5/7275 (2013.01); A61B 5/7278 (2013.01); A61B 5/7405 (2013.01); A61B 5/742 (2013.01); A61B 5/746 (2013.01); A61B 5/7475 (2013.01); G16H 10/40 (2018.01); A61B 1/00 (2013.01); A61B 5/02427 (2013.01); A61B 2562/08 (2013.01); A61B 2562/085 (2013.01); A61B 2562/185 (2013.01); A61B 2562/222 (2013.01); Y10S 439/909 (2013.01)]
OG exemplary drawing
AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT:
Claims 1, 6, 7, 13, 20, 26 and 30 are determined to be patentable as amended.
Claims 2-5, 8-12, 14-19, 21-25 and 27-29, dependent on an amended claim, are determined to be patentable.
New claims 31-35 are added and determined to be patentable.
1. A physiological sensor comprising:
a plurality of emitters configured to transmit optical radiation having a plurality of wavelengths in response to a corresponding plurality of drive currents, [ the plurality of emitters comprising at least two groups each having a plurality of emitters] , the plurality of emitters including a substrate [ , the plurality of wavelengths within one or more wavelength ranges usable to determine physiological parameters of a person] ;
a thermal mass disposed proximate the emitters and within the substrate so as to stabilize a bulk temperature for the emitters; and
a temperature sensor thermally coupled to the thermal mass [ , the thermal mass stabilizing the bulk temperature by providing thermal conductivity between the at least two groups and the temperature sensor] ,
wherein the temperature sensor provides a temperature sensor output [ representative of a temperature of the thermal mass and the at least two groups of emitters, wherein the temperature sensor output is ] responsive to the bulk temperature so that the wavelengths are determinable as a function of the drive currents and the bulk temperature [ ; and
a processor configured to electrically communicate with the temperature sensor through a flexible circuit, the processor configured to determine the wavelengths of emitters in each of the at least two groups based on a function of the drive currents and the bulk temperature] .
6. The physiological sensor according to claim 1:
wherein the thermal mass is disposed within the substrate proximate light emitting sources and the temperature sensor [ , the light emitting sources comprising the plurality of emitters] .
7. A physiological sensor capable of emitting light into tissue and producing an output signal usable to determine one or more physiological parameters of a patient, the physiological sensor comprising:
a thermal mass;
a plurality of light emitting sources, including a substrate of the plurality of light emitting sources, thermally coupled to the thermal mass, the [ plurality of light emitting ] sources having a corresponding plurality of operating wavelengths [ within one or more wavelength ranges usable to determine one or more physiological parameters of a patient, the plurality of light emitting sources comprising at least two groups each having a plurality of light emitting sources, ] the thermal mass disposed within the substrate;
a temperature sensor thermally coupled to the thermal mass and capable of determining a bulk temperature for the thermal mass, the operating wavelengths dependent on the bulk temperature; and
a detector capable of detecting light emitted by the light emitting sources after tissue attenuation, wherein the detector is capable of outputting a signal usable to determine [ the ] one or more physiological parameters of a [ the ] patient based upon the operating wavelengths [ ; and
a processor configured to electrically communicate with the temperature sensor through a flexible circuit, the processor configured to determine the one or more physiological parameters of the patient responsive to the bulk temperature and the signal from the detector] .
13. In a physiological sensor adapted to determine a [ one or more ] physiological parameter [ s of a patient ] using a plurality of light emitting sources with emission wavelengths affected by one or more dynamic operating parameters, [ the plurality of light emitting sources arranged in at least two groups having a plurality of light emitting sources, the emission wavelengths within one or more wavelength ranges usable to determine the one or more physiological parameters of the patient, the plurality of light emitting sources including a substrate] , a sensor method comprising:
providing a thermal mass disposed within the substrate proximate the light emitting sources and a temperature sensor thermally coupled to the thermal mass;
transmitting optical radiation from the plurality of light emitting sources into body tissue;
detecting the optical radiation after tissue attenuation; and
determining [ , via a processor configured to electrically communicate with the temperature sensor through a flexible circuit, ] a plurality of operating wavelengths of the light emitting sources dependent on a bulk temperature of the light emitting sources so that one or more physiological parameters of a [ the ] patient can be determined based upon the operating wavelengths.
20. In a physiological sensor adapted to determine a [ one or more ] physiological parameter [ parameters of a person ] using a plurality of light emitting sources with emission wavelengths affected by one or more dynamic operating parameters, [ the plurality of light emitting sources arranged in at least two groups having a plurality of light emitting sources, the emission wavelengths within one or more wavelength ranges usable to determine the one or more physiological parameters of the person, ] a sensor method comprising:
providing a thermal mass disposed within a substrate of the light emitting sources and a temperature sensor thermally coupled to the thermal mass [ , the thermal mass providing thermal conductivity between the at least two groups and the temperature sensor] ;
transmitting optical radiation from the plurality of light emitting sources into body tissue [ of the person] ;
detecting the optical radiation after tissue attenuation; and
[ determining, via a processor configured to electrically communicate with the temperature sensor through a flexible circuit, an operating wavelength for each of the plurality of light emitting sources; and]
indicating an [ the ] operating wavelength for each of the plurality of light emitting sources.
26. A physiological sensor comprising:
a plurality of emitters configured to transmit optical radiation having a plurality of wavelengths in response to a corresponding plurality of drive currents [ , the plurality of emitters comprising at least two groups having a plurality of emitters, the plurality of wavelengths within one or more wavelength ranges usable to determine physiological parameters of a person] ;
a thermal mass disposed proximate the emitters and within a substrate so as to stabilize a bulk temperature for the emitters the [ , the thermal mass stabilizing the bulk temperature by providing thermal conductivity between the at least two groups and a temperature sensor] ; and
a [ the ] temperature sensor thermally coupled to the thermal mass,
wherein the temperature sensor provides a temperature sensor output [ representative of a temperature of the thermal mass and the at least two groups of emitters, wherein the temperature sensor output is ] responsive to the bulk temperature so that the wavelengths are determinable as a function of the drive currents and the bulk temperature;
a substrate having a top side and a bottom side,
wherein the emitters are mounted to the top side, and
wherein the temperature sensor is mounted to the bottom side [ ; and
a processor configured to electrically communicate with the temperature sensor through a flexible circuit, the processor configured to determine the wavelengths of emitters in each of the at least two groups based on a function of the drive currents and the bulk temperature] .
30. The physiological sensor according to claim 26:
wherein the light emitting sources and the temperature sensor are disposed on the substrate, [ wherein the light emitting sources comprise the plurality of emitters] , and
wherein the thermal mass is disposed within the substrate proximate the light emitting sources and the temperature sensor.
[ 31. The physiological sensor of claim 1, wherein the flexible circuit is configured to mechanically isolate the plurality of emitters from the processor.]
[ 32. The physiological sensor of claim 7, wherein the flexible circuit is configured to mechanically isolate the plurality of light emitting sources from the processor.]
[ 33. The sensor method of claim 13, wherein the flexible circuit is configured to mechanically isolate the plurality of light emitting sources from the processor.]
[ 34. The sensor method of claim 20, wherein the flexible circuit is configured to mechanically isolate the plurality of light emitting sources from the processor.]
[ 35. The physiological sensor of claim 26, wherein the flexible circuit is configured to mechanically isolate the plurality of light emitting sources from the processor.]