Patents by Inventor Chunyuan Qiu
Chunyuan Qiu 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: 10765825Abstract: An endotracheal tube (ETT) system and methods are provided. In at least one example, an ETT system may comprise, a tube, inflatable cuff coupled to the tube, and a restrictor. In at least one example the restrictor may comprise one more cavities. In a further example, a restrictor drainage assembly may be coupled to the restrictor, the restrictor drainage assembly configured to drain secretions that may be collected at a collection point formed by the restrictor when the ETT system is positioned in an airway of a patient and in an inflated state.Type: GrantFiled: August 31, 2017Date of Patent: September 8, 2020Assignee: CORESTONE BIOSCIENCES (BEIJING) CO., LTD.Inventors: Chunyuan Qiu, Weiping Yang, Fei Cao, Bing Xu
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Publication number: 20200246621Abstract: Methods and systems are provided for a dual-action catheter. In one example, a dual-action catheter system comprises a catheter including a catheter lumen, a bioelectric neuromodulation stylet of a diameter smaller than the lumen of the catheter for insertion of the bioelectric neuromodulation stylet within the catheter lumen, one or more electrodes positioned at a tip end of the bioelectric neuromodulation stylet, and a delivery pathway for delivery of pharmacological treatments therethrough while the bioelectric neuromodulation stylet is inserted within the catheter lumen.Type: ApplicationFiled: January 31, 2020Publication date: August 6, 2020Inventors: Jonathan B. Hofius, Manish Kothari, Chunyuan Qiu
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Patent number: 10543339Abstract: Devices, systems and methods are used to decouple proximal movement of a catheter supply lead or tubing from the tissue-embedded catheter. A catheter decoupling device comprises a catheter hub, sled and track, wherein the hub comprises a proximal end configured to receive a catheter fluid supply device, and a distal end configured to receive a catheter, the sled receives and retains the hub, the track receives and retains the hub; and, the hub has a limited range of back-and-forth motion relative to the track.Type: GrantFiled: August 22, 2017Date of Patent: January 28, 2020Assignee: SRI INTERNATIONALInventors: Jonathan Hofius, Chunyuan Qiu, Manish Kothari
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Patent number: 10368800Abstract: Methods for diagnosing sleep apnea are provided herein. In at least one example, a method may be provided including receiving airway image data from a remote end imaging sensor coupled to a nasal tube disposed within an upper airway above a constriction point, and analyzing the airway image data and displaying in a sleep study report the airway image data to identify airway closures related to obstructive sleep apnea.Type: GrantFiled: January 18, 2017Date of Patent: August 6, 2019Inventor: Chunyuan Qiu
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Publication number: 20190183383Abstract: Methods and systems of displaying flow-volume loops of a patient and variability of the flow-volume loops across measured breaths are disclosed. The methods comprise obtaining a physiological dataset of the patient on a data acquisition device, applying a smoothing and curve fitting algorithm to the physiological dataset on a processing device to obtain real-time volume and flow data at a plurality of time instances, applying a visualization algorithm on the processing device to the volume and flow data to create a series of flow-volume loops based on the volume and flow data, and outputting a plot of the flow-volume loops on a display device to aid evaluation or diagnosis of the patient.Type: ApplicationFiled: December 17, 2018Publication date: June 20, 2019Applicant: Respiratory Motion, Inc.Inventors: Jordan Brayanov, Jenny Freeman, Brian Harvey, Chunyuan Qiu, Man Ching Cheung, Jasmin Imsirovic
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Publication number: 20190060594Abstract: An endotracheal tube (ETT) system and methods are provided. In at least one example, an ETT system may comprise, a tube, inflatable cuff coupled to the tube, and a restrictor. In at least one example the restrictor may comprise one more cavities. In a further example, a restrictor drainage assembly may be coupled to the restrictor, the restrictor drainage assembly configured to drain secretions that may be collected at a collection point formed by the restrictor when the ETT system is positioned in an airway of a patient and in an inflated state.Type: ApplicationFiled: August 31, 2017Publication date: February 28, 2019Inventors: Chunyuan Qiu, Weiping Yang, Fei Cao, Bing Xu
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Publication number: 20180280646Abstract: Ventilation therapy systems and methods are disclosed. The system comprises a computing device, and a plurality of sensors for acquiring a physiological bioelectrical impedance signal from a patient, wherein the sensors are functionally connected to the computing device. The computing device receives the physiological bioelectrical impedance signal from the sensors, analyzes the physiological bioelectrical impedance signal, based on the analyzed physiological bioelectrical impedance signal, monitors the patient's respiratory status before and/or after extubation, and provides audible or visual recommendations for additional respiratory treatment or medications based on the patient's respiratory status.Type: ApplicationFiled: June 7, 2018Publication date: October 4, 2018Inventors: Jenny Freeman, Jordan Brayanov, Mark H. Strong, Daniel Draper, Chunyuan Qiu
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Patent number: 10010688Abstract: An intubation system of the present disclosure intubates based on an airway pattern indicating a trachea opening. The airway pattern is determined from analysis of airway data detected by a trachea identifying device disposed on a moveable guide stylet of the intubation system. A navigation element is generated based on the airway pattern. In one embodiment, the airway pattern is a gas exchange pattern indicating a trachea opening. In another embodiment, the trachea opening transition pattern is a topographic pattern indicating a trachea opening. The guide stylet is capable of moving in a plurality of degrees of freedom in the airway following the guidance from the navigation element.Type: GrantFiled: November 8, 2016Date of Patent: July 3, 2018Inventor: Chunyuan Qiu
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Publication number: 20170368308Abstract: Devices, systems and methods are used to decouple proximal movement of a catheter supply lead or tubing from the tissue-embedded catheter. A catheter decoupling device comprises a catheter hub, sled and track, wherein the hub comprises a proximal end configured to receive a catheter fluid supply device, and a distal end configured to receive a catheter, the sled receives and retains the hub, the track receives and retains the hub; and, the hub has a limited range of back-and-forth motion relative to the track.Type: ApplicationFiled: August 22, 2017Publication date: December 28, 2017Applicant: SRI INTERNATIONALInventors: Jonathan Hofius, Chunyuan Qiu, Manish Kothari
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Publication number: 20170304572Abstract: Various methods and systems for delivery of an ETT for intubation are provided. In one example, an ETT delivery system comprises a rail system, where the rail system comprises at least one rail. In some examples the rail system engages with an ETT and at least partially defines an ETT delivery path. Additionally, the ETT delivery system may further include a delivery mechanism operatively linked with the rail system. Further, a blade may be attached to the rail system. In a further example, the ETT delivery system may comprise an ETT steering mechanism comprising an upper lip and a lower lip, where adjusting the orientation of the lower lip may adjust a tip direction of the ETT.Type: ApplicationFiled: July 6, 2017Publication date: October 26, 2017Inventor: Chunyuan Qiu
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Patent number: 9795753Abstract: Various methods and systems for delivery of an ETT for intubation are provided. In one example, an ETT delivery system includes a rail system for guiding insertion of an ETT and at least partially defining the motion of the ETT. The ETT delivery system further may include a video laryngoscope blade coupled to the rail system and a delivery mechanism. In some examples, the ETT delivery system further includes a positioner configured to adjust the motion of the ETT. As a further example, the ETT delivery system may include a swing arm and a guide rail to at least partially define the motion of the swing arm. Further, a drive-down mechanism may effect motion of the swing arm. As another embodiment, a rail system, a disposable blade and a positioner may be provided. Further, a delivery mechanism may be operatively linked with the integrated rail system.Type: GrantFiled: March 7, 2012Date of Patent: October 24, 2017Inventor: Chunyuan Qiu
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Patent number: 9700693Abstract: An intubation device is provided. An intubation device comprises a movable guide configured to guide an insertion of an endotracheal tube into a trachea of a patient, the guide having a guide extension and a guide tip; an external trachea identifier source external to the trachea and disposed on the patient during an intubation, wherein the trachea identifier source generates and transmits a signal; at least one trachea condition sensor disposed on the guide tip to detect the signal generated by the trachea identifier source; and a guide control device operatively coupled to the guide, the guide control device configured to move the guide into the trachea in response to the detected signal.Type: GrantFiled: October 8, 2014Date of Patent: July 11, 2017Inventor: Chunyuan Qiu
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Publication number: 20170119306Abstract: Methods for diagnosing sleep apnea are provided herein. In at least one example, a method may be provided including receiving airway image data from a remote end imaging sensor coupled to a nasal tube disposed within an upper airway above a constriction point, and analyzing the airway image data and displaying in a sleep study report the airway image data to identify airway closures related to obstructive sleep apnea.Type: ApplicationFiled: January 18, 2017Publication date: May 4, 2017Inventor: Chunyuan Qiu
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Patent number: 9585601Abstract: Systems, methods and devices for diagnosing sleep apnea are provided herein. In one example, a device for detecting airway obstructions may be provided where the device may include a wearable hollow nasal tube to be positioned in an upper airway above a constriction point and an end imaging sensor coupled to the nasal tube to collect airway image data. The device further may include a controller and communication interface to communicatively link and relay airway image data to a select remote device to determine airway obstructions. In some examples, a method may be provided including receiving airway image data from a remote end imaging sensor coupled to a nasal tube disposed within an upper airway above a constriction point, and analyzing the airway image data and displaying in a sleep study report the airway image data to identify airway closures related to obstructive sleep apnea.Type: GrantFiled: August 15, 2013Date of Patent: March 7, 2017Inventor: Chunyuan Qiu
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Publication number: 20170049980Abstract: An intubation system of the present disclosure intubates based on an airway pattern indicating a trachea opening. The airway pattern is determined from analysis of airway data detected by a trachea identifying device disposed on a moveable guide stylet of the intubation system. A navigation element is generated based on the airway pattern. In one embodiment, the airway pattern is a gas exchange pattern indicating a trachea opening. In another embodiment, the trachea opening transition pattern is a topographic pattern indicating a trachea opening. The guide stylet is capable of moving in a plurality of degrees of freedom in the airway following the guidance from the navigation element.Type: ApplicationFiled: November 8, 2016Publication date: February 23, 2017Inventor: Chunyuan Qiu
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Patent number: 9511206Abstract: The invention relates to medical devices and, particularly, catheter medical devices. In an aspect is a nerve block catheter system comprising a dual-sheath catheter comprising an inner sheath and an outer sheath, wherein distal ends of the sheaths are connected, the inner sheath defines a fluid delivery lumen, and the outer sheath comprises a tissue lock movable between a collapsed position and an extended position, wherein the tissue lock forms a reversible tissue anchor when in the extended position, and an actuator connected to the proximate end of the catheter and configured to activate the tissue lock by sliding the outer sheath length-wise relative to the inner sheath.Type: GrantFiled: July 5, 2015Date of Patent: December 6, 2016Assignee: SRI INTERNATIONALInventors: Jonathan Hofius, Manish Kothari, Chunyuan Qiu, Pablo E. Garcia, Karen S. Koenig
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Patent number: 9486596Abstract: An intubation system of the present disclosure intubates based on an airway pattern indicating a trachea opening. The airway pattern is determined from analysis of airway data detected by a trachea identifying device disposed on a moveable guide stylet of the intubation system. A navigation element is generated based on the airway pattern. In one embodiment, the airway pattern is a gas exchange pattern indicating a trachea opening. In another embodiment, the trachea opening transition pattern is a topographic pattern indicating a trachea opening. The guide stylet is capable of moving in a plurality of degrees of freedom in the airway following the guidance from the navigation element.Type: GrantFiled: November 11, 2014Date of Patent: November 8, 2016Inventor: Chunyuan Qiu
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Publication number: 20150306350Abstract: The invention relates to medical devices and, particularly, catheter medical devices. In an aspect is a nerve block catheter system comprising a dual-sheath catheter comprising an inner sheath and an outer sheath, wherein distal ends of the sheaths are connected, the inner sheath defines a fluid delivery lumen, and the outer sheath comprises a tissue lock movable between a collapsed position and an extended position, wherein the tissue lock forms a reversible tissue anchor when in the extended position, and an actuator connected to the proximate end of the catheter and configured to activate the tissue lock by sliding the outer sheath length-wise relative to the inner sheath.Type: ApplicationFiled: July 5, 2015Publication date: October 29, 2015Applicants: SRI INTERNATIONAL, THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITYInventors: Jonathan Hofius, Manish Kothari, Chunyuan Qiu, Pablo E. Garcia, Karen S. Koenig
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Publication number: 20150059736Abstract: An intubation system of the present disclosure intubates based on an airway pattern indicating a trachea opening. The airway pattern is determined from analysis of airway data detected by a trachea identifying device disposed on a moveable guide stylet of the intubation system. A navigation element is generated based on the airway pattern. In one embodiment, the airway pattern is a gas exchange pattern indicating a trachea opening. In another embodiment, the trachea opening transition pattern is a topographic pattern indicating a trachea opening. The guide stylet is capable of moving in a plurality of degrees of freedom in the airway following the guidance from the navigation element.Type: ApplicationFiled: November 11, 2014Publication date: March 5, 2015Inventor: Chunyuan Qiu
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Publication number: 20150051449Abstract: Systems, methods and devices for diagnosing sleep apnea are provided herein. In one example, a device for detecting airway obstructions may be provided where the device may include a wearable hollow nasal tube to be positioned in an upper airway above a constriction point and an end imaging sensor coupled to the nasal tube to collect airway image data. The device further may include a controller and communication interface to communicatively link and relay airway image data to a select remote device to determine airway obstructions. In some examples, a method may be provided including receiving airway image data from a remote end imaging sensor coupled to a nasal tube disposed within an upper airway above a constriction point, and analyzing the airway image data and displaying in a sleep study report the airway image data to identify airway closures related to obstructive sleep apnea.Type: ApplicationFiled: August 15, 2013Publication date: February 19, 2015Inventor: Chunyuan Qiu