Patents by Inventor Gregory J. Newman
Gregory J. Newman 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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Patent number: 6882873Abstract: A system and method embodying the invention can be used to detect a characteristic or condition of a patient. A method embodying the invention may include the steps of illuminating a portion of a skin of the patient with light, detecting a frequency spectrum of light scattered from the skin, determining, from first and second portions of the spectrum, a first parameter indicative of a blood content of the skin and a second parameter indicative of a melanin content of the skin, determining, from a third portion of the spectrum, a third parameter indicative of an uncorrected bilirubin concentration, and calculating a corrected bilirubin concentration based on the first, second and third parameters.Type: GrantFiled: November 26, 2002Date of Patent: April 19, 2005Assignee: Respironics, Inc.Inventors: Mark A. Samuels, Keith D. Ignotz, Gregory J. Newman, Jonathan A. Eppstein, Fan Xu
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Publication number: 20040109163Abstract: A system and method for measurement and analysis of a sample by absorption spectrophotometry is taught by the present invention. According to various embodiments, the invention utilizes a novel receptacle comprising of at plurality of layers including a transparent layer, a channel layer, and a reflective layer coupled to one another and allowing for fluid communication within and among the layers to allow for illumination by a light source and interrogation and analysis by a light measuring device. Examples of the light source and light measuring devices that could be used with the present invention include reflectance and/or fluorescence spectroscopy and a spectrometer, respectively. Measurement and analysis of a sample is compared to known values of constituents for comparison.Type: ApplicationFiled: December 3, 2003Publication date: June 10, 2004Applicant: SpectRx, Inc.Inventors: Shabbir B. Bambot, Scott Kerr, Mark A. Samuels, Henry Grage, Gregory J. Newman
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Publication number: 20030109773Abstract: A system and method embodying the invention can be used to detect a characteristic or condition of a patient. A method embodying the invention may include the steps of illuminating a portion of a skin of the patient with light, detecting a frequency spectrum of light scattered from the skin, determining, from first and second portions of the spectrum, a first parameter indicative of a blood content of the skin and a second parameter indicative of a melanin content of the skin, determining, from a third portion of the spectrum, a third parameter indicative of an uncorrected bilirubin concentration, and calculating a corrected bilirubin concentration based on the first, second and third parameters.Type: ApplicationFiled: November 26, 2002Publication date: June 12, 2003Applicant: SpectRx, Inc.Inventors: Mark A. Samuels, Keith D. Ignotz, Gregory J. Newman, Jonathan A. Eppstein, Fan Xu
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Publication number: 20020140940Abstract: A system and method for measurement and analysis of a sample by absorption spectrophotometry is taught by the present invention. According to various embodiments, the invention utilizes a novel receptacle comprising of at plurality of layers including a transparent layer, a channel layer, and a reflective layer coupled to one another and allowing for fluid communication within and among the layers to allow for illumination by a light source and interrogation and analysis by a light measuring device. Examples of the light source and light measuring devices that could be used with the present invention include reflectance and/or fluorescence spectroscopy and a spectrometer, respectively. Measurement and analysis of a sample is compared to known values of constituents for comparison.Type: ApplicationFiled: February 27, 2002Publication date: October 3, 2002Inventors: Shabbir B. Bambot, Scott Kerr, Mark A. Samuels, Henry Grage, Gregory J. Newman
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Patent number: 6192734Abstract: A combined infection shield and calibration or reference target for use with a measuring instrument includes a removable calibration/reference layer. The removable calibration/reference layer has predetermined optical characteristics that can be utilized to calibrate or reference the instrument. When the calibration/reference layer is removed from the remaining portions of the device, the portion of the calibration/reference layer having the predetermined optical characteristics is irrevocably altered such that the calibration/reference layer cannot be reused. The combined infection shield and target may be attached to a shield holder, which in turn is attached to an instrument. Alternatively, the infection shield and target may be attached directly to an instrument. The target may include a calibration/reference layer having a reduced strength portion which causes the target to tear or separate in a predetermined manner.Type: GrantFiled: April 6, 1999Date of Patent: February 27, 2001Assignee: SpectRx, IncInventors: Robert Rothfritz, Scott Kerr, Glenn Steven Arche, Scott Kellogg, Gregory J. Newman, Mark A. Samuels, Richard Lachlan Fowler
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Patent number: 6045502Abstract: A system and method for calibrating a measurement instrument prior to making a measurement on a material or tissue includes utilizing a removable calibration device to calibrate the instrument, then removing a target portion of the calibration device so that a measurement may be performed. The calibration device may include an index matching agent, such as a gel, that is to be interposed between the patient's skin and an output end of the measuring instrument. A method embodying the invention may include making a bilirubin concentration measurement on a skin of a patient by measuring the amplitude of light reflected from the patient's skin at first and second wavelengths indicative of a blood content of the patient's skin, and measuring the amplitude of reflected light at a third wavelength indicative of an uncorrected bilirubin concentration, then calculating a corrected bilirubin concentration based on the three measurements.Type: GrantFiled: August 1, 1997Date of Patent: April 4, 2000Assignee: SpectRx, Inc.Inventors: Jonathan A. Eppstein, Mark A. Samuels, Keith D. Ignotz, Gregory J. Newman
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Patent number: 6002482Abstract: A combined infection shield and calibration or reference target for use with a measuring instrument includes a removable calibration/reference layer. The removable calibration/reference layer has predetermined optical characteristics that can be utilized to calibrate or reference the instrument. The calibration/reference layer may have predetermined reflectance or scattering properties, a predetermined transmissivity to light, or it may have predetermined fluorescence properties. When the calibration/reference layer is removed from the remaining portions of the device, the portion of the calibration/reference layer having the predetermined optical characteristics is irrevocably altered such that the calibration/reference layer cannot be reused. The combined infection shield and target may be attached to a shield holder, which in turn is attached to an instrument. Alternatively, the infection shield and target may be attached directly to an instrument.Type: GrantFiled: July 29, 1998Date of Patent: December 14, 1999Assignee: Spectrx, Inc.Inventors: Robert Rothfritz, Scott Kerr, Glenn Steven Arche, Scott Kellogg, Gregory J. Newman, Mark A. Samuels, Richard Lachlan Fowler, Shabbir Bambot
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Patent number: 5924981Abstract: A combined infection shield and calibration or reference target for use with a measuring instrument includes a removable calibration/reference layer. The removable calibration/reference layer has predetermined optical characteristics that can be utilized to calibrate or reference the instrument. When the calibration/reference layer is removed from the remaining portions of the device, the portion of the calibration/reference layer having the predetermined optical characteristics is irrevocably altered such that the calibration/reference layer cannot be reused. The combined infection shield and target may be attached to a shield holder, which in turn is attached to an instrument. Alternatively, the infection shield and target may be attached directly to an instrument. The target may include a calibration/reference layer having a reduced strength portion which causes the target to tear or separate in a predetermined manner.Type: GrantFiled: April 3, 1998Date of Patent: July 20, 1999Assignee: SpectRx, Inc.Inventors: Robert Rothfritz, Scott Kerr, Glenn Steven Arche, Scott Kellogg, Gregory J. Newman, Mark A. Samuels, Richard Lachlan Fowler
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Patent number: 5792049Abstract: A disposable calibration device is used to calibrate a spectroscopic measurement system which transmits radiation to a material or tissue in order to effect measurements such as bilirubin measurements. The disposable calibration device includes a structure with a window through which radiation can be transmitted, as well as a removable calibration target arranged on the window and capable of returning a portion of the radiation for calibrating the spectrometer system. The removable calibration target can be peeled of the window to allow a measurement to be made on the material or tissue. Once a measurement is complete, the disposable calibration device can be discarded and a new calibration device can be inserted on the spectroscopic system.Type: GrantFiled: August 6, 1997Date of Patent: August 11, 1998Assignee: SpectRx, Inc.Inventors: Jonathan A. Eppstein, Mark A. Samuels, Keith D. Ignotz, Gregory J. Newman