Patents by Inventor Weilun Quan
Weilun Quan 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: 10086210Abstract: A system for managing care of a person receiving emergency cardiac assistance is disclosed that includes one or more capacitors for delivering a defibrillating shock to a patient; one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ECG) for the patient; a patient treatment module executable on one or more computer processors to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using (a) information about a prior defibrillating shock, and (b) a value that is a function of current ECG signals from the patient.Type: GrantFiled: December 13, 2016Date of Patent: October 2, 2018Assignee: ZOLL Medical CorporationInventors: Weilun Quan, Gary A. Freeman
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Publication number: 20180220913Abstract: A system for managing care of a person receiving emergency cardiac assistance includes one or more capacitors arranged to deliver a defibrillating shock to a person; one or more electronic ports for receiving a plurality of signals from sensors for obtaining indications of an electrocardiogram (ECG) for the person; and a patient treatment module executable on one or more computer processors using code stored in non-transitory media and to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using a mathematical computation applied to a vector value defined by signals from at least two of the plurality of signals.Type: ApplicationFiled: January 11, 2018Publication date: August 9, 2018Inventors: Weilun Quan, Gary A. Freeman
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Patent number: 10039925Abstract: This document presents a system for managing treatment for an emergency cardiac event. The system includes memory, one or more electronic ports for receiving ECG signals, and a treatment module executable on one or more processing devices. The module is configured to generate transform values for a time segment of ECG, obtain one or more previous values derived from one or more earlier time segments of the ECG, and determine, based on the generated transform values, and the one or more previous values, at least one of: a) a future therapeutic action for treating the emergency cardiac event, or b) a phase of the cardiac event. The module is further configured to cause one or more output devices to present an indication of at least one of the therapeutic action or the phase of the cardiac event.Type: GrantFiled: June 10, 2015Date of Patent: August 7, 2018Assignee: ZOLL Medical CorporationInventors: Weilun Quan, Christopher Luke Kaufman, Gary A. Freeman
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Publication number: 20180168923Abstract: A system for assisting with a cardiopulmonary resuscitation (CPR) treatment being administered to a patient. In one aspect, the system includes electrodes to provide an ECG signal of the patient, one or more sensors configured to measure an intrinsic myocardial wall movement of the patient, and one or more processors. The one or more processors are configured to perform operations including: during the CPR treatment being administered to the patient, receiving an input from the sensor(s), processing the input from the sensor(s) and the ECG signal, determining, based on processing, whether the intrinsic myocardial wall movement is indicative of a perfusion movement of the patient's heart, and providing an indication to a user of the system based on the determination.Type: ApplicationFiled: June 10, 2016Publication date: June 21, 2018Inventor: Weilun Quan
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Patent number: 9907477Abstract: A system for managing care of a person receiving emergency cardiac assistance includes one or more capacitors arranged to deliver a defibrillating shock to a person; one or more electronic ports for receiving a plurality of signals from sensors for obtaining indications of an electrocardiogram (ECG) for the person; and a patient treatment module executable on one or more computer processors using code stored in non-transitory media and to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using a mathematical computation applied to a vector value defined by signals from at least two of the plurality of signals.Type: GrantFiled: July 18, 2016Date of Patent: March 6, 2018Assignee: ZOLL Medical CorporationInventors: Weilun Quan, Gary A. Freeman
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Publication number: 20170348538Abstract: In an aspect, a system for treating a patient in cardiac arrest is described and includes memory, one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ECG) of the patient, one or more sensors for obtaining a transthoracic impedance of the patient, and a patient treatment module executable on one or more processing devices that is configured to generate, from the ECG, transform values that represent magnitudes of two or more frequency components of the ECG, and modify, based on at least one transform value, at least one shock delivery parameter.Type: ApplicationFiled: May 30, 2017Publication date: December 7, 2017Inventors: Weilun Quan, Gary A. Freeman
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Patent number: 9782093Abstract: A system for managing care of a person receiving emergency cardiac assistance includes one or more capacitors arranged to deliver a defibrillating shock to a person; one or more electronic ports for receiving a plurality of signals from sensors for obtaining indications of an electrocardiogram (ECG) for the person; and a patient treatment module executable on one or more computer processors using code stored in non-transitory media and to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using a mathematical computation applied to a vector value defined by signals from at least two of the plurality of signals.Type: GrantFiled: March 13, 2015Date of Patent: October 10, 2017Assignee: ZOLL Medical CorporationInventors: Weilun Quan, Gary A. Freeman
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Publication number: 20170209706Abstract: A system for managing care of a person receiving emergency cardiac assistance is disclosed that includes one or more capacitors for delivering a defibrillating shock to a patient; one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ECG) for the patient; a patient treatment module executable on one or more computer processors to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using (a) information about a prior defibrillating shock, and (b) a value that is a function of current ECG signals from the patient.Type: ApplicationFiled: December 13, 2016Publication date: July 27, 2017Inventors: Weilun Quan, Gary A. Freeman
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Publication number: 20170120063Abstract: This document presents a system for managing treatment for an emergency cardiac event. The system includes memory, one or more electronic ports for receiving ECG signals, and a treatment module executable on one or more processing devices. The module is configured to perform a number of transformation on portions of an ECG signal into frequency domain data, obtain one or more previous values derived from one or more time segments of the ECG, and determine, based on the frequency domain data a first value and a second value, determine a probability of therapeutic success. The module is further configured to cause one or more output devices to present an indication of the probability of therapeutic success.Type: ApplicationFiled: September 30, 2016Publication date: May 4, 2017Inventors: Gary A. Freeman, Weilun Quan, Ulrich Herken, Christopher Luke Kaufman
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Patent number: 9592402Abstract: A system for managing care of a person receiving emergency cardiac assistance is disclosed that includes one or more capacitors for delivering a defibrillating shock to a patient; one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ECG) for the patient; a patient treatment module executable on one or more computer processors to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using (a) information about a prior defibrillating shock, and (b) a value that is a function of current ECG signals from the patient.Type: GrantFiled: March 14, 2014Date of Patent: March 14, 2017Assignee: ZOLL Medical CorporationInventors: Weilun Quan, Gary A. Freeman
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Patent number: 9579515Abstract: A method for managing care of a person receiving emergency cardiac is disclosed and involves monitoring, with an external defibrillator, multiple parameters of the person receiving emergency cardiac assistance; determining from at least one of the parameters, an indication of trans-thoracic impedance of the person receiving emergency cardiac care; determining, from at least one of the parameters corresponding to an electrocardiogram of the person receiving emergency cardiac assistance, an initial indication of likely shock effectiveness; determining, as a function of at least the indication of trans-thoracic impedance and the initial indication of likely shock effectiveness, an indication of whether a shock provided to the person receiving emergency medical assistance will be effective; and affecting control of the defibrillator by a caregiver as a result of determining the indication of whether a shock will be effective.Type: GrantFiled: October 8, 2015Date of Patent: February 28, 2017Assignee: ZOLL Medical CorporationInventors: Weilun Quan, Qing Tan, Gary A. Freeman
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Publication number: 20160338609Abstract: A system for managing care of a person receiving emergency cardiac assistance includes one or more capacitors arranged to deliver a defibrillating shock to a person; one or more electronic ports for receiving a plurality of signals from sensors for obtaining indications of an electrocardiogram (ECG) for the person; and a patient treatment module executable on one or more computer processors using code stored in non-transitory media and to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using a mathematical computation applied to a vector value defined by signals from at least two of the plurality of signals.Type: ApplicationFiled: July 18, 2016Publication date: November 24, 2016Inventors: Weilun Quan, Gary A. Freeman
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Patent number: 9480853Abstract: A system for managing care of a person receiving emergency cardiac assistance is disclosed that includes one or more capacitors for delivering a defibrillating shock to a patient; one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ECG) for the patient; and a patient treatment module executable on one or more computer processors using code stored in non-transitory media and to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using (a) a mathematical transform from a time domain to a frequency domain applied to the indication of the ECG, and (b) a tapered window for identifying the portion of the indications of the ECG on which the transform is performed.Type: GrantFiled: November 16, 2015Date of Patent: November 1, 2016Assignee: ZOLL Medical CorporationInventors: Weilun Quan, Gary A. Freeman
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Publication number: 20160082276Abstract: This document relates to cardiac resuscitation, and in particular to systems and techniques for protecting rescuers from electrical shock during defibrillation of a patient.Type: ApplicationFiled: December 8, 2015Publication date: March 24, 2016Inventors: Gary A. Freeman, Weilun Quan
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Publication number: 20160082278Abstract: A system for managing care of a person receiving emergency cardiac assistance is disclosed that includes one or more capacitors for delivering a defibrillating shock to a patient; one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ECG) for the patient; and a patient treatment module executable on one or more computer processors using code stored in non-transitory media and to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using (a) a mathematical transform from a time domain to a frequency domain applied to the indication of the ECG, and (b) a tapered window for identifying the portion of the indications of the ECG on which the transform is performed.Type: ApplicationFiled: November 16, 2015Publication date: March 24, 2016Inventors: Weilun Quan, Gary A. Freeman
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Publication number: 20160023010Abstract: A method for managing care of a person receiving emergency cardiac is disclosed and involves monitoring, with an external defibrillator, multiple parameters of the person receiving emergency cardiac assistance; determining from at least one of the parameters, an indication of trans-thoracic impedance of the person receiving emergency cardiac care; determining, from at least one of the parameters corresponding to an electrocardiogram of the person receiving emergency cardiac assistance, an initial indication of likely shock effectiveness; determining, as a function of at least the indication of trans-thoracic impedance and the initial indication of likely shock effectiveness, an indication of whether a shock provided to the person receiving emergency medical assistance will be effective; and affecting control of the defibrillator by a caregiver as a result of determining the indication of whether a shock will be effective.Type: ApplicationFiled: October 8, 2015Publication date: January 28, 2016Inventors: Weilun Quan, Qing Tan, Gary A. Freeman
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Patent number: 9242114Abstract: This document relates to cardiac resuscitation, and in particular to systems and techniques for protecting rescuers from electrical shock during defibrillation of a patient.Type: GrantFiled: November 27, 2013Date of Patent: January 26, 2016Assignee: ZOLL Medical CorporationInventors: Gary A. Freeman, Weilun Quan
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Publication number: 20150352369Abstract: In an aspect, a system for treating a patient in cardiac arrest is described and includes memory, one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ECG) of the patient, one or more sensors for obtaining a transthoracic impedance of the patient, and a patient treatment module executable on one or more processing devices that is configured to generate, from the ECG, transform values that represent magnitudes of two or more frequency components of the ECG, and modify, based on at least one transform value, at least one shock delivery parameter.Type: ApplicationFiled: June 10, 2015Publication date: December 10, 2015Inventors: Weilun Quan, Gary A. Freeman
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Publication number: 20150352367Abstract: This document presents a system for managing treatment for an emergency cardiac event. The system includes memory, one or more electronic ports for receiving ECG signals, and a treatment module executable on one or more processing devices. The module is configured to generate transform values for a time segment of ECG, obtain one or more previous values derived from one or more earlier time segments of the ECG, and determine, based on the generated transform values, and the one or more previous values, at least one of: a) a future therapeutic action for treating the emergency cardiac event, or b) a phase of the cardiac event. The module is further configured to cause one or more output devices to present an indication of at least one of the therapeutic action or the phase of the cardiac event.Type: ApplicationFiled: June 10, 2015Publication date: December 10, 2015Inventors: Weilun Quan, Christopher Luke Kaufman, Gary A. Freeman
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Patent number: 9186521Abstract: A system for managing care of a person receiving emergency cardiac assistance is disclosed that includes one or more capacitors for delivering a defibrillating shock to a patient; one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ECG) for the patient; and a patient treatment module executable on one or more computer processors using code stored in non-transitory media and to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using (a) a mathematical transform from a time domain to a frequency domain applied to the indication of the ECG, and (b) a tapered window for identifying the portion of the indications of the ECG on which the transform is performed.Type: GrantFiled: March 14, 2014Date of Patent: November 17, 2015Assignee: ZOLL Medical CorporationInventors: Weilun Quan, Gary A. Freeman