Patents by Inventor Mohamed Diab
Mohamed Diab has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20120232363Abstract: Embodiments of the present disclosure include a handheld multi-parameter patient monitor capable of determining multiple physiological parameters from the output of a light sensitive detector capable of detecting light attenuated by body tissue. For example, in an embodiment, the monitor is capable of advantageously and accurately displaying one or more of pulse rate, plethysmograph data, perfusion quality, signal confidence, and values of blood constituents in body tissue, including for example, arterial carbon monoxide saturation (“HbCO”), methemoglobin saturation (“HbMet”), total hemoglobin (“Hbt”), arterial oxygen saturation (“SpO2”), fractional arterial oxygen saturation (“SpaO2”), or the like. The monitor can determine which a plurality of light emitting sources and which of a plurality of parameters to measure based on the signal quality and resources available.Type: ApplicationFiled: May 22, 2012Publication date: September 13, 2012Applicant: CERCACOR LABORATORIES, INC.Inventors: Ammar Al-Ali, Joe E. Kiani, Mohamed Diab, Roger Wu, Rick Fishel
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Publication number: 20120232359Abstract: Embodiments of the present disclosure include a handheld multi-parameter patient monitor capable of determining multiple physiological parameters from the output of a light sensitive detector capable of detecting light attenuated by body tissue. For example, in an embodiment, the monitor is capable of advantageously and accurately displaying one or more of pulse rate, plethysmograph data, perfusion quality, signal confidence, and values of blood constituents in body tissue, including for example, arterial carbon monoxide saturation (“HbCO”), methemoglobin saturation (“HbMet”), total hemoglobin (“Hbt”), arterial oxygen saturation (“SpO2”), fractional arterial oxygen saturation (“SpaO2”), or the like. In an embodiment, the monitor advantageously includes a plurality of display modes enabling more parameter data to be displayed than the available physical display real estate.Type: ApplicationFiled: May 22, 2012Publication date: September 13, 2012Applicant: CERCACOR LABORATORIES, INC.Inventors: Ammar Al-Ali, Joe Kiani, Mohamed Diab, Greg Olsen, Roger Wu, Rick Fishel
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Patent number: 8255027Abstract: A physiological sensor has emitters configured to transmit optical radiation having multiple wavelengths in response to corresponding drive currents. A thermal mass is disposed proximate the emitters so as to stabilize a bulk temperature for the emitters. A temperature sensor is thermally coupled to the thermal mass. The temperature sensor provides a temperature sensor output responsive to the bulk temperature so that the wavelengths are determinable as a function of the drive currents and the bulk temperature.Type: GrantFiled: July 19, 2010Date of Patent: August 28, 2012Assignee: Cercacor Laboratories, Inc.Inventors: Ammar Al-Ali, Mohamed Diab, Marcelo Lamego, James P. Coffin, Yassir Abdul-Hafiz
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Patent number: 8229533Abstract: An optical probe, which is particularly suited to reduce noise in measurements taken on an easily compressible material, such as a finger, a toe, a forehead, an earlobe, or a lip, measures characteristics of the material. A neonatal and adult disposable embodiment of the probe include adhesive coated surfaces to securely affix the probe onto the patient. In addition, the surface of the probe is specially constructed to reduce the effect of ambient noise.Type: GrantFiled: January 25, 2012Date of Patent: July 24, 2012Assignee: Masimo CorporationInventors: Mohamed Diab, Esmaiel Kiani-Azarbayjany, David R. Tobler, Thomas J. Gerhardt, Eugene E. Mason, Mike A. Mills
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Patent number: 8224411Abstract: Embodiments of the present disclosure include a handheld multi-parameter patient monitor capable of determining multiple physiological parameters from the output of a light sensitive detector capable of detecting light attenuated by body tissue. For example, in an embodiment, the monitor is capable of advantageously and accurately displaying one or more of pulse rate, plethysmograph data, perfusion quality, signal confidence, and values of blood constituents in body tissue, including for example, arterial carbon monoxide saturation (“HbCO”), methemoglobin saturation (“HbMet”), total hemoglobin (“Hbt”), arterial oxygen saturation (“SpO2”), fractional arterial oxygen saturation (“SpaO2”), or the like. In an embodiment, the monitor advantageously includes a plurality of display modes enabling more parameter data to be displayed than the available physical display real estate.Type: GrantFiled: March 1, 2006Date of Patent: July 17, 2012Assignee: Masimo Laboratories, Inc.Inventors: Ammar Al-Ali, Joe E. Kiani, Mohamed Diab, Roger Wu, Rick Fishel
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Patent number: 8190223Abstract: Embodiments of the present disclosure include a handheld multi-parameter patient monitor capable of determining multiple physiological parameters from the output of a light sensitive detector capable of detecting light attenuated by body tissue. For example, in an embodiment, the monitor is capable of advantageously and accurately displaying one or more of pulse rate, plethysmograph data, perfusion quality, signal confidence, and values of blood constituents in body tissue, including for example, arterial carbon monoxide saturation (“HbCO”), methemoglobin saturation (“HbMet”), total hemoglobin (“Hbt”), arterial oxygen saturation (“SpO2”), fractional arterial oxygen saturation (“SpaO2”), or the like. In an embodiment, the monitor advantageously includes a plurality of display modes enabling more parameter data to be displayed than the available physical display real estate.Type: GrantFiled: March 1, 2006Date of Patent: May 29, 2012Assignee: Masimo Laboratories, Inc.Inventors: Ammar Al-Ali, Joe Kiani, Mohamed Diab, Greg Olsen, Roger Wu, Rick Fishel
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Publication number: 20120123278Abstract: An optical probe, which is particularly suited to reduce noise in measurements taken on an easily compressible material, such as a finger, a toe, a forehead, an earlobe, or a lip, measures characteristics of the material. A neonatal and adult disposable embodiment of the probe include adhesive coated surfaces to securely affix the probe onto the patient. In addition, the surface of the probe is specially constructed to reduce the effect of ambient noise.Type: ApplicationFiled: January 25, 2012Publication date: May 17, 2012Applicant: Masimo CorporationInventors: Mohamed Diab, Esmaiel Kiani-Azarbayjany, David R. Tobler, Thomas J. Gerhardt, Eugene E. Mason, Mike A. Mills
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Publication number: 20120046530Abstract: A physiological sensor includes an electrical grid to activate one or more light emitters by addressing at least one row conductor and at least one column conductor. Each light emitter includes a positive terminal and a negative terminal. The physiological sensor includes a first light emitter and a second light emitter. A first contact is communicatively coupled with the positive terminal of the first light emitter, the negative terminal of the second light emitter, a first row conductor, and a first column conductor. A second contact is communicatively coupled with the negative terminal of the first light emitter, the positive terminal of the second light emitter, a second row conductor, and a second column conductor. The first light emitter is activated by addressing the first row conductor and the second column conductor. The second light emitter is activated by addressing the second row conductor and the first column conductor.Type: ApplicationFiled: October 31, 2011Publication date: February 23, 2012Applicant: MASIMO LABORATORIES, INC.Inventors: Ammar Al-Ali, Robert Smith, David Dalke, Mohamed Diab, Marcelo Lamego
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Patent number: 8050728Abstract: A cable is capable of communicating signals between a monitor and a physiological sensor. The monitor is capable of activating individual light emitters of an emitter array arranged in an electrical grid by driving at least one of row drive lines and at least one of column drive lines of the electrical grid. The cable has a first row input, a first column input, a second row input and a second column input. The cable also has a first output which combines the first row input and the first column input and a second output which combines the second row input and the second column input. The inputs are adapted to connect to electrical grid drive lines of a monitor. Further, the outputs are adapted to connect to contacts of a physiological sensor having back-to-back configured LEDs in electrical communication with the contacts.Type: GrantFiled: March 1, 2006Date of Patent: November 1, 2011Assignee: Masimo Laboratories, Inc.Inventors: Ammar Al-Ali, Robert Smith, David Dalke, Mohamed Diab, Marcelo Lamego
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Publication number: 20110237914Abstract: Confidence in a physiological parameter is measured from physiological data responsive to the intensity of multiple wavelengths of optical radiation after tissue attenuation. The physiological parameter is estimated based upon the physiological data. Reference data clusters are stored according to known values of the physiological parameter. At least one of the data clusters is selected according to the estimated physiological parameter. The confidence measure is determined from a comparison of the selected data clusters and the physiological data.Type: ApplicationFiled: June 3, 2011Publication date: September 29, 2011Applicant: MASIMO LABORATORIES, INC.Inventors: Marcelo Lamego, Mohamed Diab, Ammar Al-Ali
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Publication number: 20110237911Abstract: A physiological monitor for determining blood oxygen saturation of a medical patient includes a sensor, a signal processor and a display. The sensor includes at least three light emitting diodes. Each light emitting diode is adapted to emit light of a different wavelength. The sensor also includes a detector, where the detector is adapted to receive light from the three light emitting diodes after being attenuated by tissue. The detector generates an output signal based at least in part upon the received light. The signal processor determines blood oxygen saturation based at least upon the output signal, and the display provides an indication of the blood oxygen saturation.Type: ApplicationFiled: March 28, 2011Publication date: September 29, 2011Applicant: MASIMO LABORATORIES, INC.Inventors: Marcelo M. Lamego, Mohamed Diab, Walter M. Weber, Ammar Al-Ali, Massi Joe E. Kiani
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Patent number: 7957780Abstract: Confidence in a physiological parameter is measured from physiological data responsive to the intensity of multiple wavelengths of optical radiation after tissue attenuation. The physiological parameter is estimated based upon the physiological data. Reference data clusters are stored according to known values of the physiological parameter. At least one of the data clusters is selected according to the estimated physiological parameter. The confidence measure is determined from a comparison of the selected data clusters and the physiological data.Type: GrantFiled: March 1, 2006Date of Patent: June 7, 2011Assignee: MASIMO Laboratories, Inc.Inventors: Marcelo Lamego, Mohamed Diab, Ammar Al-Ali
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Publication number: 20110009719Abstract: A physiological sensor has emitters configured to transmit optical radiation having multiple wavelengths in response to corresponding drive currents. A thermal mass is disposed proximate the emitters so as to stabilize a bulk temperature for the emitters. A temperature sensor is thermally coupled to the thermal mass. The temperature sensor provides a temperature sensor output responsive to the bulk temperature so that the wavelengths are determinable as a function of the drive currents and the bulk temperature.Type: ApplicationFiled: July 19, 2010Publication date: January 13, 2011Applicant: GLT Acquisition CorpInventors: Ammar Al-Ali, Mohamed Diab, Marcelo Lamego, James P. Coffin, Yassir Abdul-Hafiz
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Patent number: 7764982Abstract: A physiological sensor has light emitting sources, each activated by addressing at least one row and at least one column of an electrical grid. The light emitting sources are capable of transmitting light of multiple wavelengths and a detector is responsive to the transmitted light after attenuation by body tissue.Type: GrantFiled: March 1, 2006Date of Patent: July 27, 2010Assignee: Masimo Laboratories, Inc.Inventors: David Dalke, Ammar Al-Ali, Mohamed Diab, Marcelo Lamego, Robert Smith
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Patent number: 7761127Abstract: A physiological sensor has emitters configured to transmit optical radiation having multiple wavelengths in response to corresponding drive currents. A thermal mass is disposed proximate the emitters so as to stabilize a bulk temperature for the emitters. A temperature sensor is thermally coupled to the thermal mass. The temperature sensor provides a temperature sensor output responsive to the bulk temperature so that the wavelengths are determinable as a function of the drive currents and the bulk temperature.Type: GrantFiled: March 1, 2006Date of Patent: July 20, 2010Assignee: Masimo Laboratories, Inc.Inventors: Ammar Al-Ali, Mohamed Diab, Marcelo Lamego, James P. Coffin, Yassir Abdul-Hafiz
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Publication number: 20100099964Abstract: A patient monitor system is configured to measure and display a hemoglobin concentration measurement to assist caregivers in providing care or treatment and/or to automatically control a fluid, blood, medicine, or dialysis administration system. The patient monitor can analyze the displayed hemoglobin concentration measurement and provide alarms and feedback to assist caregivers. Additional measurement can be combined with the hemoglobin concentration measurement to provide combined displays helpful to caregivers, such as, for example, a plethysmograph variability index v. SpHb display.Type: ApplicationFiled: September 15, 2009Publication date: April 22, 2010Applicant: MASIMO CorporationInventors: Michael O'Reilly, Ammar Al-Ali, Mohamed Diab, Paul Jansen, Arun Panch
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Publication number: 20100049020Abstract: A physiological sensor is adapted to removably attach an emitter assembly and a detector assembly to a fingertip. The emitter assembly is adapted to transmit optical radiation having multiple wavelengths into fingertip tissue. The detector assembly is adapted to receive the optical radiation after attenuation by the fingertip tissue. The sensor has a first shell and a second shell hinged to the first shell. A spring is disposed between the shells and urges the shells together. An emitter pad is fixedly attached to the first shell and configured to retain the emitter assembly. A detector pad is fixedly attached to the second shell and configured to retain the detector assembly. A detector aperture is defined within the detector pad and adapted to pass optical radiation to the detector assembly. A contour is defined along the detector pad and generally shaped to conform to a fingertip positioned over the detector aperture.Type: ApplicationFiled: April 13, 2009Publication date: February 25, 2010Applicant: MASIMO LABORATORIES, INC.Inventors: David Dalke, Ammar Al-Ali, Mohamed Diab, Marcelo Lamego, Robert Smith
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Patent number: 7647083Abstract: A physiological sensor has intensity compensation introduced along an optical path from emission to detection so as to compensate for unequal tissue attenuation as a function of wavelength. The sensor has emitters configured to transmit optical radiation having multiple wavelengths into a tissue site. At least one detector is capable of receiving the optical radiation after tissue attenuation. An equalization is capable of compensating optical radiation intensity so as to account for differences in tissue attenuation across at least a portion of the multiple wavelengths.Type: GrantFiled: March 1, 2006Date of Patent: January 12, 2010Assignee: Masimo Laboratories, Inc.Inventors: Ammar Al-Ali, Mohamed Diab, Marcelo Lamego, James P. Coffin, Yassir Abdul-Hafiz
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Publication number: 20090143657Abstract: An optical probe, which is particularly suited to reduce noise in measurements taken on an easily compressible material, such as a finger, a toe, a forehead, an earlobe, or a lip, measures characteristics of the material. A neonatal and adult disposable embodiment of the probe include adhesive coated surfaces to securely affix the probe onto the patient. In addition, the surface of the probe is specially constructed to reduce the effect of ambient noise.Type: ApplicationFiled: January 27, 2009Publication date: June 4, 2009Inventors: Mohamed Diab, Esmaiel Kiani-Azarbayjany, David R. Tobler, Thomas J. Gerhardt, Eugene E. Mason, Mike A. Mills
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Patent number: 7483730Abstract: An optical probe, which is particularly suited to reduce noise in measurements taken on an easily compressible material, such as a finger, a toe, a forehead, an earlobe, or a lip, measures characteristics of the material. A neonatal and adult disposable embodiment of the probe include adhesive coated surfaces to securely affix the probe onto the patient. In addition, the surface of the probe is specially constructed to reduce the effect of ambient noise.Type: GrantFiled: October 4, 2004Date of Patent: January 27, 2009Assignee: Masimo CorporationInventors: Mohamed Diab, Esmaiel Kiani-Azarbayjany, David R. Tobler, Thomas J. Gerhardt, Eugene E. Mason, Mike A. Mills