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).

  • Patent number: 9180304
    Abstract: 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: Grant
    Filed: September 11, 2014
    Date of Patent: November 10, 2015
    Assignee: ZOLL Medical Corporation
    Inventors: Weilun Quan, Qing Tan, Gary A. Freeman
  • Publication number: 20150257709
    Abstract: A system for managing care of a person includes one or more capacitors arranged to deliver a defibrillating shock to a patient; one or more electronic ports for receiving a plurality of 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 arranged to identify a level of energy to be delivered in a shock to the patient by applying a mathematical computation to current ECG data from the patient and data indicating a present level of trans-thoracic impedance for the patient.
    Type: Application
    Filed: March 13, 2015
    Publication date: September 17, 2015
    Inventors: Weilun Quan, Gary A. Freeman
  • Publication number: 20150257715
    Abstract: 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: Application
    Filed: March 13, 2015
    Publication date: September 17, 2015
    Inventors: Weilun Quan, Gary A. Freeman
  • Publication number: 20150148856
    Abstract: 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: Application
    Filed: November 27, 2013
    Publication date: May 28, 2015
    Inventors: Gary A. Freeman, Weilun Quan
  • Publication number: 20140379042
    Abstract: 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: Application
    Filed: September 11, 2014
    Publication date: December 25, 2014
    Inventors: Weilun Quan, Qing Tan, Gary A. Freeman
  • Patent number: 8868179
    Abstract: 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: Grant
    Filed: November 12, 2012
    Date of Patent: October 21, 2014
    Assignee: ZOLL Medical Corporation
    Inventors: Weilun Quan, Qing Tan, Gary A. Freeman
  • Publication number: 20140277224
    Abstract: 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: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Inventors: Weilun Quan, Gary A. Freeman
  • Publication number: 20140277225
    Abstract: 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: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Inventors: Weilun Quan, Gary A. Freeman
  • Publication number: 20140277228
    Abstract: 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 to identify a phase in which a patient being monitored by the system is in relative to a time at which an adverse cardiac event for patient began.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Inventors: Weilun Quan, Gary A. Freeman
  • Publication number: 20130138168
    Abstract: 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: Application
    Filed: November 12, 2012
    Publication date: May 30, 2013
    Inventors: Weilun Quan, Qing Tan, Gary A. Freeman