Patents by Inventor Nicholas Watson
Nicholas Watson 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: 20220371005Abstract: A system includes a fluidic device, a flow control valve, a first reagent fluid reservoir fluidly connectable to the fluidic device by the flow control valve, a first fluid buffer reservoir fluidly connectable to the fluidic device by the flow control valve, and a common fluid buffer source fluidly connectable to the fluidic device by the flow control valve. The flow control valve permits flow comprising: (i) flow from the first reagent fluid reservoir to the fluidic device, (ii) flow from the common fluid buffer source to the fluidic device, (iii) flow from the fluidic device to the first fluid buffer reservoir, (iv) flow from the first reagent fluid reservoir to the fluidic device, and (v) flow from the first fluid buffer reservoir to the fluidic device.Type: ApplicationFiled: August 3, 2022Publication date: November 24, 2022Applicant: Illumina, Inc.Inventors: Wesley A. COX-MURANAMI, Kay KLAUSING, Bradley Kent DREWS, Nicholas WATSON, Jennifer Olivia FOLEY, Murphy HITCHCOCK, Paul SANGIORGIO, Sz-Chin Steven LIN
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Patent number: 11445930Abstract: A PPG system for determining a stroke volume of a patient includes a PPG sensor configured to be secured to an anatomical portion of the patient. The PPG sensor is configured to sense a physiological characteristic of the patient. The PPG system may include a monitor operatively connected to the PPG sensor. The monitor receives a PPG signal from the PPG sensor. The monitor includes a pulse trending module determining a slope transit time of an upslope of a primary peak of the PPG signal. The pulse trending module determines a stroke volume of the patient as a function of the slope transit time.Type: GrantFiled: September 30, 2019Date of Patent: September 20, 2022Assignee: COVIDIEN LPInventors: Paul Stanley Addison, James Nicholas Watson
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Patent number: 11426723Abstract: A system includes a fluidic device, a flow control valve, a first reagent fluid reservoir fluidly connectable to the fluidic device by the flow control valve, a first fluid buffer reservoir fluidly connectable to the fluidic device by the flow control valve, and a common fluid buffer source fluidly connectable to the fluidic device by the flow control valve. The flow control valve permits flow comprising: (i) flow from the first reagent fluid reservoir to the fluidic device, (ii) flow from the common fluid buffer source to the fluidic device, (iii) flow from the fluidic device to the first fluid buffer reservoir, (iv) flow from the first reagent fluid reservoir to the fluidic device, and (v) flow from the first fluid buffer reservoir to the fluidic device.Type: GrantFiled: September 26, 2019Date of Patent: August 30, 2022Assignee: Illumina, Inc.Inventors: Wesley A. Cox-Muranami, Kay Klausing, Bradley Kent Drews, Nicholas Watson, Jennifer Olivia Foley, Murphy Hitchcock, Paul Sangiorgio, Sz-Chin Steven Lin
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Publication number: 20210251204Abstract: A light emitting device 100, 200, 500 for a subsea environment has at least one light source and a power source. The device further comprises a housing 110 having a first housing portion 110a, wherein the at least one light source and the power source are enclosed within the first housing portion and a second housing portion 110b comprising a fluid-tight seal for the housing. A system 400, 600 is also provided comprising a plurality of light emitting devices.Type: ApplicationFiled: June 17, 2019Publication date: August 19, 2021Inventors: Aran Kumar DASAN, Steven OGBORNE, Daniel Nicholas WATSON
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Publication number: 20200376482Abstract: Two-phase flushing systems and methods. An example method includes moving a valve to a first position to fluidly connect a first reagent reservoir containing a first reagent to a flow cell and flowing the first reagent from the first reagent reservoir to the flow cell to perform a biochemical reaction. The method includes moving the valve to a second position to fluidly connect a gas to the flow cell and flowing gas into the flow cell to expel at least a portion of the first reagent from the biochemical reaction from the flow cell. The method includes moving the valve to a third position to fluidly connect a buffer reagent reservoir containing a buffer reagent to the flow cell and flowing the buffer reagent into the flow cell.Type: ApplicationFiled: May 27, 2020Publication date: December 3, 2020Inventors: Nicholas Watson, Wesley A. Cox-Muranami, Cyril Delattre, Minsoung Rhee
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Publication number: 20200108382Abstract: A system includes a fluidic device, a flow control valve, a first reagent fluid reservoir fluidly connectable to the fluidic device by the flow control valve, a first fluid buffer reservoir fluidly connectable to the fluidic device by the flow control valve, and a common fluid buffer source fluidly connectable to the fluidic device by the flow control valve. The flow control valve permits flow comprising: (i) flow from the first reagent fluid reservoir to the fluidic device, (ii) flow from the common fluid buffer source to the fluidic device, (iii) flow from the fluidic device to the first fluid buffer reservoir, (iv) flow from the first reagent fluid reservoir to the fluidic device, and (v) flow from the first fluid buffer reservoir to the fluidic device.Type: ApplicationFiled: September 26, 2019Publication date: April 9, 2020Applicant: Illumina, Inc.Inventors: Wesley A. Cox-Muranami, Kay Klausing, Bradley Kent Drews, Nicholas Watson, Jennifer Olivia Foley, Murphy Hitchcock, Paul Sangiorgio, Sz-Chin Steven Lin
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Publication number: 20200022590Abstract: A PPG system for determining a stroke volume of a patient includes a PPG sensor configured to be secured to an anatomical portion of the patient. The PPG sensor is configured to sense a physiological characteristic of the patient. The PPG system may include a monitor operatively connected to the PPG sensor. The monitor receives a PPG signal from the PPG sensor. The monitor includes a pulse trending module determining a slope transit time of an upslope of a primary peak of the PPG signal. The pulse trending module determines a stroke volume of the patient as a function of the slope transit time.Type: ApplicationFiled: September 30, 2019Publication date: January 23, 2020Inventors: Paul Stanley Addison, James Nicholas Watson
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Patent number: 10463315Abstract: A technique for managing alarms includes acquiring a physiological parameter value and one or more alarm settings associated with the physiological parameter value. The technique also includes determining if the one or more alarm settings are associated with an adaptive alarm manager selecting an adaptive alarm condition from a plurality of adaptive alarm conditions when the one or more alarm settings are associated with the adaptive alarm manager; determining if the physiological parameter value meets the selected adaptive alarm condition; and generating an alarm in response when the physiological parameter value meets the selected adaptive alarm condition.Type: GrantFiled: November 20, 2015Date of Patent: November 5, 2019Assignee: Covidien LPInventors: James Nicholas Watson, Paul S. Addison, Graeme A. Lyon
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Patent number: 10448851Abstract: A PPG system for determining a stroke volume of a patient includes a PPG sensor configured to be secured to an anatomical portion of the patient. The PPG sensor is configured to sense a physiological characteristic of the patient. The PPG system may include a monitor operatively connected to the PPG sensor. The monitor receives a PPG signal from the PPG sensor. The monitor includes a pulse trending module determining a slope transit time of an upslope of a primary peak of the PPG signal. The pulse trending module determines a stroke volume of the patient as a function of the slope transit time.Type: GrantFiled: December 21, 2015Date of Patent: October 22, 2019Assignee: Covidien LPInventors: Paul Stanley Addison, James Nicholas Watson
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Patent number: 10265005Abstract: According to embodiments, techniques for using continuous wavelet transforms and spectral transforms to determine oxygen saturation from photoplethysmographic (PPG) signals are disclosed. According to embodiments, a first and a second PPG signals may be received. A spectral transform of the first and the second PPG signals may be performed to produce a first and a second spectral transformed signals. A frequency region associated with a pulse rate of the PPG signals may be identified from the first and the second spectral transformed signals. According to embodiments, a continuous wavelet transform of the first and the second PPG signals may be performed at a scale corresponding to the identified frequency region to produce a first and a second wavelet transformed signals. The oxygen saturation may be determined based at least in part upon the wavelet transformed signals.Type: GrantFiled: May 22, 2014Date of Patent: April 23, 2019Assignee: NELLCOR PURITAN BENNETT IRELANDInventors: James Nicholas Watson, Paul Stanley Addison
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Patent number: 10182764Abstract: According to embodiments, a system for processing a physiological signals is disclosed. The system may comprise a sensor for generating the physiological signal. The system may comprise a processor configured to receive and process the physiological signal in order to improve interpretation and subsequent analysis of the physiological signal. The processor may be configured to generate a wavelet transform based on the physiological signal. The processor may be configured to determine phase values corresponding to the subject's respiration based on the wavelet transform. The processor may be configured to generate a sinusoidal waveform that is representative of the subject's breathing based on the phase values. The system may also comprise a display device configured to display the sinusoidal waveform.Type: GrantFiled: June 24, 2015Date of Patent: January 22, 2019Assignee: NELLCOR PURITAN BENNETT IRELANDInventors: Paul Stanley Addison, James Nicholas Watson
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Patent number: 9560995Abstract: A physiological monitoring system may determine a probe-off condition. A physiological sensor may receive a light signal including one or more wavelengths of light. The received light signal may be processed to obtain a light signal corresponding to an ambient light signal and a light signal corresponding to an emitted light signal and the ambient light signal. The signals may be analyzed to identify an inverse effect. The system may determine whether the physiological sensor is properly positioned based on the identification of an inverse effect.Type: GrantFiled: February 25, 2013Date of Patent: February 7, 2017Assignee: Covidien LPInventors: Paul Stanley Addison, James Nicholas Watson
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Patent number: 9554712Abstract: A test unit may generate a pulse signal based on a pulsatile profile and a frequency modulation component of a respiratory profile. A respiration modulated signal may be generated from the pulse signal, an amplitude modulation component, and a baseline modulation component. A patient modulated signal may be generated based on the respiration modulated signal and a patient profile. The artificial PPG signal may be generated based on the patient modulated signal and an artifact profile. The artificial PPG signal may be output to an electronic device.Type: GrantFiled: February 27, 2013Date of Patent: January 31, 2017Assignee: Covidien LPInventors: Braddon M. Van Slyke, Ronald Kadlec, Scott McGonigle, Michael Mestek, Paul Stanley Addison, James Nicholas Watson
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Publication number: 20160302737Abstract: Systems and methods for detecting the occurrence of events from a signal are provided. A signal processing system may analyze baseline changes and changes in signal characteristics to detect events from a signal. The system may also detect events by analyzing energy parameters and artifacts in a scalogram of the signal. Further, the system may detect events by analyzing both the signal and its corresponding scalogram.Type: ApplicationFiled: June 24, 2016Publication date: October 20, 2016Inventors: James Nicholas Watson, Paul Stanley Addison
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Patent number: 9462976Abstract: A physiological monitoring system may determine a probe-off condition. A physiological sensor may be used to emit one or more wavelengths of light. A received light signal may be processed to obtain a light signal corresponding to the emitted light and an ambient signal. The signals may be analyzed to identify similar behavior. The system may determine whether the physiological sensor is properly positioned based on the analysis.Type: GrantFiled: December 16, 2014Date of Patent: October 11, 2016Assignee: Covidien LPInventors: Paul Stanley Addison, James Nicholas Watson
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Patent number: 9402573Abstract: A system is configured to determine a fluid responsiveness index of a patient from a physiological signal. The system may include a sensor configured to be secured to an anatomical portion of the patient, and a monitor operatively connected to the sensor. The sensor is configured to sense a physiological characteristic of the patient. The monitor is configured to receive a physiological signal from the sensor. The monitor may include an index-determining module configured to determine the fluid responsiveness index through formation of a ratio of one or both of amplitude or frequency modulation of the physiological signal to baseline modulation of the physiological signal.Type: GrantFiled: June 3, 2015Date of Patent: August 2, 2016Assignee: Covidien LPInventors: Mark Su, James Nicholas Watson, Paul Stanley Addison
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Patent number: 9378332Abstract: Systems and methods for detecting the occurrence of events from a signal are provided. A signal processing system may analyze baseline changes and changes in signal characteristics to detect events from a signal. The system may also detect events by analyzing energy parameters and artifacts in a scalogram of the signal. Further, the system may detect events by analyzing both the signal and its corresponding scalogram.Type: GrantFiled: September 6, 2013Date of Patent: June 28, 2016Assignee: Nellcor Puritan Bennett IrelandInventors: James Nicholas Watson, Paul Stanley Addison
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Patent number: 9357937Abstract: A system for determining stroke volume of an individual. The system includes a skew-determining module that is configured to calculate a first derivative of photoplethysmogram (PPG) signals of the individual. The first derivative forms a derivative waveform. The skew-determining module is configured to determine a skew metric of the first derivative, wherein the skew metric is indicative of a morphology of at least one pulse wave detected from blood flow of the individual in the derivative waveform. The system also includes an analysis module that is configured to determine a stroke volume of the individual. The stroke volume is a function of the skew metric of the first derivative.Type: GrantFiled: September 6, 2012Date of Patent: June 7, 2016Assignee: Covidien LPInventors: James Nicholas Watson, Paul Stanley Addison
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Publication number: 20160155309Abstract: A technique for managing alarms includes acquiring a physiological parameter value and one or more alarm settings associated with the physiological parameter value. The technique also includes determining if the one or more alarm settings are associated with an adaptive alarm manager selecting an adaptive alarm condition from a plurality of adaptive alarm conditions when the one or more alarm settings are associated with the adaptive alarm manager; determining if the physiological parameter value meets the selected adaptive alarm condition; and generating an alarm in response when the physiological parameter value meets the selected adaptive alarm condition.Type: ApplicationFiled: November 20, 2015Publication date: June 2, 2016Inventors: James Nicholas Watson, Paul S. Addison, Graeme A. Lyon
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Publication number: 20160106322Abstract: A PPG system for determining a stroke volume of a patient includes a PPG sensor configured to be secured to an anatomical portion of the patient. The PPG sensor is configured to sense a physiological characteristic of the patient. The PPG system may include a monitor operatively connected to the PPG sensor. The monitor receives a PPG signal from the PPG sensor. The monitor includes a pulse trending module determining a slope transit time of an upslope of a primary peak of the PPG signal. The pulse trending module determines a stroke volume of the patient as a function of the slope transit time.Type: ApplicationFiled: December 21, 2015Publication date: April 21, 2016Inventors: Paul Stanley Addison, James Nicholas Watson