Patents by Inventor John Fengler
John Fengler 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: 11770503Abstract: A method of displaying a colorized luma image includes illuminating tissue under observation with illumination light and excitation light. A color image from reflectance of the illumination light and a fluorescence image produced by illuminating the tissue under observation with the excitation light are simultaneously detected at an image sensor to produce image data comprising both color image data and fluorescence image data. A luma image from the detected color image data is computed and the luma image is colorized based on the detected fluorescence image data. The colorized luma image is then displayed.Type: GrantFiled: April 28, 2021Date of Patent: September 26, 2023Assignee: Stryker European Operations LimitedInventors: Paul R. Westwick, David Potkins, John Fengler
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Publication number: 20210274131Abstract: A method of displaying a colorized luma image includes illuminating tissue under observation with illumination light and excitation light. A color image from reflectance of the illumination light and a fluorescence image produced by illuminating the tissue under observation with the excitation light are simultaneously detected at an image sensor to produce image data comprising both color image data and fluorescence image data. A luma image from the detected color image data is computed and the luma image is colorized based on the detected fluorescence image data. The colorized luma image is then displayed.Type: ApplicationFiled: April 28, 2021Publication date: September 2, 2021Applicant: Stryker European Operations LimitedInventors: Paul R. WESTWICK, David POTKINS, John FENGLER
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Patent number: 11025867Abstract: An endoscopic video system and method using a camera with a single color image sensor, for example a CCD color image sensor, for fluorescence and color imaging and for simultaneously displaying the images acquired in these imaging modes at video rates in real time is disclosed. The tissue under investigation is illuminated continuously with fluorescence excitation light and is further illuminated periodically using visible light outside of the fluorescence excitation wavelength range. The illumination sources may be conventional lamps using filters and shutters, or may include light-emitting diodes mounted at the distal tip of the endoscope.Type: GrantFiled: November 3, 2016Date of Patent: June 1, 2021Assignee: Stryker European Operations LimitedInventors: Paul R. Westwick, David Potkins, John Fengler
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Patent number: 10779734Abstract: An imaging system for acquisition of NIR and full-color images includes a light source providing visible light and NIR light to an area under observation, such as living tissue, a camera having one or more image sensors configured to separately detect blue reflectance light, green reflectance light, and combined red reflectance light/detected NIR light returned from the area under observation. A controller in signal communication with the light source and the camera is configured to control the light source to continuously illuminate area under observation with temporally continuous blue/green illumination light and with red illumination light and NIR excitation light. At least one of the red illumination light and NIR excitation light are switched on and off periodically in synchronism with the acquisition of red and NIR light images in the camera.Type: GrantFiled: May 2, 2017Date of Patent: September 22, 2020Assignee: Stryker European Operations LimitedInventors: John Fengler, Paul R. Westwick, Aurther E. Bailey, Paul Cottle
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Patent number: 10694151Abstract: An endoscopic video system and method using a camera with a single color image sensor, for example a CCD color image sensor, for fluorescence and color imaging and for simultaneously displaying the images acquired in these imaging modes at video rates in real time is disclosed. The tissue under investigation is illuminated continuously with fluorescence excitation light and is further illuminated periodically using visible light outside of the fluorescence excitation wavelength range. The illumination sources may be conventional lamps using filters and shutters, or may include light-emitting diodes mounted at the distal tip of the endoscope.Type: GrantFiled: September 21, 2015Date of Patent: June 23, 2020Assignee: Novadaq Technologies ULCInventors: Paul R. Westwick, David Potkins, John Fengler
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Patent number: 10694152Abstract: An endoscopic video system and method using a camera with a single color image sensor, for example a CCD color image sensor, for fluorescence and color imaging and for simultaneously displaying the images acquired in these imaging modes at video rates in real time is disclosed. The tissue under investigation is illuminated continuously with fluorescence excitation light and is further illuminated periodically using visible light outside of the fluorescence excitation wavelength range. The illumination sources may be conventional lamps using filters and shutters, or may include light-emitting diodes mounted at the distal tip of the endoscope.Type: GrantFiled: November 3, 2016Date of Patent: June 23, 2020Assignee: Novadaq Technologies ULCInventors: Paul R. Westwick, David Potkins, John Fengler
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Publication number: 20170273567Abstract: An imaging system for acquisition of NIR and full-color images includes a light source providing visible light and NIR light to an area under observation, such as living tissue, a camera having one or more image sensors configured to separately detect blue reflectance light, green reflectance light, and combined red reflectance light/detected NIR light returned from the area under observation. A controller in signal communication with the light source and the camera is configured to control the light source to continuously illuminate area under observation with temporally continuous blue/green illumination light and with red illumination light and NIR excitation light. At least one of the red illumination light and NIR excitation light are switched on and off periodically in synchronism with the acquisition of red and NIR light images in the camera.Type: ApplicationFiled: May 2, 2017Publication date: September 28, 2017Applicant: Novadaq Technologies Inc.Inventors: John FENGLER, Paul R. WESTWICK, Aurther E. BAILEY, Paul COTTLE
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Patent number: 9642532Abstract: An imaging system for acquisition of NIR and full-color images includes a light source providing visible light and NIR light to an area under observation, such as living tissue, a camera having one or more image sensors configured to separately detect blue reflectance light, green reflectance light, and combined red reflectance light/detected NIR light returned from the area under observation. A controller in signal communication with the light source and the camera is configured to control the light source to continuously illuminate area under observation with temporally continuous blue/green illumination light and with red illumination light and NIR excitation light. At least one of the red illumination light and NIR excitation light are switched on and off periodically in synchronism with the acquisition of red and NIR light images in the camera.Type: GrantFiled: October 2, 2015Date of Patent: May 9, 2017Assignee: NOVADAQ TECHNOLOGIES INC.Inventors: John Fengler, Paul R. Westwick, Aurther E. Bailey, Paul Cottle
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Publication number: 20170064258Abstract: An endoscopic video system and method using a camera with a single color image sensor, for example a CCD color image sensor, for fluorescence and color imaging and for simultaneously displaying the images acquired in these imaging modes at video rates in real time is disclosed. The tissue under investigation is illuminated continuously with fluorescence excitation light and is further illuminated periodically using visible light outside of the fluorescence excitation wavelength range. The illumination sources may be conventional lamps using filters and shutters, or may include light-emitting diodes mounted at the distal tip of the endoscope.Type: ApplicationFiled: November 3, 2016Publication date: March 2, 2017Applicant: Novadaq Technologies Inc.Inventors: Paul R. WESTWICK, David POTKINS, John FENGLER
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Publication number: 20170064257Abstract: An endoscopic video system and method using a camera with a single color image sensor, for example a CCD color image sensor, for fluorescence and color imaging and for simultaneously displaying the images acquired in these imaging modes at video rates in real time is disclosed. The tissue under investigation is illuminated continuously with fluorescence excitation light and is further illuminated periodically using visible light outside of the fluorescence excitation wavelength range. The illumination sources may be conventional lamps using filters and shutters, or may include light-emitting diodes mounted at the distal tip of the endoscope.Type: ApplicationFiled: November 3, 2016Publication date: March 2, 2017Applicant: Novadaq Technologies Inc.Inventors: Paul R. WESTWICK, David POTKINS, John FENGLER
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Publication number: 20160249019Abstract: An endoscopic video system and method using a camera with a single color image sensor, for example a CCD color image sensor, for fluorescence and color imaging and for simultaneously displaying the images acquired in these imaging modes at video rates in real time is disclosed. The tissue under investigation is illuminated continuously with fluorescence excitation light and is further illuminated periodically using visible light outside of the fluorescence excitation wavelength range. The illumination sources may be conventional lamps using filters and shutters, or may include light-emitting diodes mounted at the distal tip of the endoscope.Type: ApplicationFiled: September 21, 2015Publication date: August 25, 2016Inventors: Paul R. WESTWICK, David POTKINS, John FENGLER
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Patent number: 9386909Abstract: An applicator suitable for converting a white-light endoscope into an endoscope for combined white-light/fluorescence imaging is disclosed. The applicator facilitates attachment of an optical element, for example an optical filter, to a distal optical port of an endoscope. The applicator engages with alignment feature on the endoscope's distal end and releasably supports the optical element in an opening that is aligned with the optical port. The optical element is released in a proximal direction by pressing down on an actuator.Type: GrantFiled: March 29, 2013Date of Patent: July 12, 2016Assignee: Novadaq Technologies Inc.Inventors: John Fengler, John Senger, Gary Jenne
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Publication number: 20160100763Abstract: An imaging system for acquisition of NIR and full-color images includes a light source providing visible light and NIR light to an area under observation, such as living tissue, a camera having one or more image sensors configured to separately detect blue reflectance light, green reflectance light, and combined red reflectance light/detected NIR light returned from the area under observation. A controller in signal communication with the light source and the camera is configured to control the light source to continuously illuminate area under observation with temporally continuous blue/green illumination light and with red illumination light and NIR excitation light. At least one of the red illumination light and NIR excitation light are switched on and off periodically in synchronism with the acquisition of red and NIR light images in the camera.Type: ApplicationFiled: October 2, 2015Publication date: April 14, 2016Applicant: NOVADAQ TECHNOLOGIES INC.Inventors: John FENGLER, Paul R. WESTWICK, Aurther E. BAILEY, Paul COTTLE
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Patent number: 9173554Abstract: An imaging system for acquisition of NIR and full-color images includes a light source providing visible light and NIR light to an area under observation, such as living tissue, a camera having one or more image sensors configured to separately detect blue reflectance light, green reflectance light, and combined red reflectance light/detected NIR light returned from the area under observation. A controller in signal communication with the light source and the camera is configured to control the light source to continuously illuminate area under observation with temporally continuous blue/green illumination light and with red illumination light and NIR excitation light. At least one of the red illumination light and NIR excitation light are switched on and off periodically in synchronism with the acquisition of red and NIR light images in the camera.Type: GrantFiled: March 18, 2009Date of Patent: November 3, 2015Assignee: NOVADAQ TECHNOLOGIES, INC.Inventors: John Fengler, Paul Westwick, Arthur E. Bailey, Paul Cottle
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Patent number: 9143746Abstract: An endoscopic video system and method using a camera with a single color image sensor, for example a CCD color image sensor, for fluorescence and color imaging and for simultaneously displaying the images acquired in these imaging modes at video rates in real time is disclosed. The tissue under investigation is illuminated continuously with fluorescence excitation light and is further illuminated periodically using visible light outside of the fluorescence excitation wavelength range. The illumination sources may be conventional lamps using filters and shutters, or may include light-emitting diodes mounted at the distal tip of the endoscope.Type: GrantFiled: June 28, 2013Date of Patent: September 22, 2015Assignee: NOVADAQ TECHNOLOGIES, INC.Inventors: Paul Westwick, David Potkins, John Fengler
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Publication number: 20140187859Abstract: An introducer for use during endoscopic procedures provides insufflation, washing, and aspiration functions, and provides for the protection of the endoluminal surface during laparoscopic examination of an anastomosis or suture line following low anterior resection of the bowel. The introducer may be designed for the insertion of an endoscope capable of white light and/or near infra-red fluorescence imaging into the rectum for analysis of an anastomosis following low anterior resection of the bowel.Type: ApplicationFiled: December 24, 2013Publication date: July 3, 2014Applicant: Novadaq Technologies Inc.Inventors: Christopher LEEUW, John FENGLER, Danny Sherwinter
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Publication number: 20130286176Abstract: An endoscopic video system and method using a camera with a single color image sensor, for example a CCD color image sensor, for fluorescence and color imaging and for simultaneously displaying the images acquired in these imaging modes at video rates in real time is disclosed. The tissue under investigation is illuminated continuously with fluorescence excitation light and is further illuminated periodically using visible light outside of the fluorescence excitation wavelength range. The illumination sources may be conventional lamps using filters and shutters, or may include light-emitting diodes mounted at the distal tip of the endoscope.Type: ApplicationFiled: June 28, 2013Publication date: October 31, 2013Inventors: Paul WESTWICK, David POTKINS, John FENGLER
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Publication number: 20130237762Abstract: An applicator suitable for converting a white-light endoscope into an endoscope for combined white-light/fluorescence imaging is disclosed. The applicator facilitates attachment of an optical element, for example an optical filter, to a distal optical port of an endoscope. The applicator engages with alignment feature on the endoscope's distal end and releasably supports the optical element in an opening that is aligned with the optical port. The optical element is released in a proximal direction by pressing down on an actuator.Type: ApplicationFiled: March 29, 2013Publication date: September 12, 2013Applicant: Novadaq Technologies Inc.Inventors: John FENGLER, John Senger, Gary Jenne
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Patent number: 8498695Abstract: An endoscopic video system and method using a camera with a single color image sensor, for example a CCD color image sensor, for fluorescence and color imaging and for simultaneously displaying the images acquired in these imaging modes at video rates in real time is disclosed. The tissue under investigation is illuminated continuously with fluorescence excitation light and is further illuminated periodically using visible light outside of the fluorescence excitation wavelength range. The illumination sources may be conventional lamps using filters and shutters, or may include light-emitting diodes mounted at the distal tip of the endoscope.Type: GrantFiled: December 26, 2007Date of Patent: July 30, 2013Assignee: Novadaq Technologies Inc.Inventors: Paul Westwick, David Potkins, John Fengler
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Patent number: 8408269Abstract: An applicator suitable for converting a white-light endoscope into an endoscope for combined white-light/fluorescence imaging is disclosed. The applicator facilitates attachment of an optical element, for example an optical filter, to a distal optical port of an endoscope. The applicator engages with alignment feature on the endoscope's distal end and releasably supports the optical element in an opening that is aligned with the optical port. The optical element is released in a proximal direction by pressing down on an actuator.Type: GrantFiled: July 30, 2007Date of Patent: April 2, 2013Assignee: Novadaq Technologies, Inc.Inventors: John Fengler, John Senger, Gary Jenne