Patents by Inventor Yunlong Zhang
Yunlong Zhang 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: 8644916Abstract: This document discusses, among other things, a system comprising a sensor signal processor configured to receive a plurality of electrical sensor signals produced by a plurality of sensors and at least one sensor signal produced by an implantable sensor, a memory that includes information indicating a co-morbidity of a subject, a sensor signal selection circuit that selects a sensor signal to monitor from among the plurality of sensor signals, according to an indicated co-morbidity, a threshold adjustment circuit that adjusts a detection threshold of the selected sensor signal according to the indicated co-morbidity, and a decision circuit that applies the adjusted detection threshold to the selected sensor signal to determine whether an event associated with worsening heart failure (HF) occurred in the subject and outputs an indication of whether the event associated with worsening HF occurred to a user or process.Type: GrantFiled: March 22, 2013Date of Patent: February 4, 2014Assignee: Cardiac Pacemakers, Inc.Inventors: Haresh G. Sachanandani, Yunlong Zhang
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Publication number: 20140031339Abstract: The present invention relates to compounds of formula (I): or a pharmaceutically acceptable salt thereof, wherein A1, A2, L1 and B are as defined herein. The compounds of formula (I) are useful as inhibitors of leukotriene A4 hydrolase (LTA4H) and treating LTA4H related disorders. The present invention also relates to pharmaceutical compositions comprising the compounds of formula (I), methods of using these compounds in the treatment of various diseases and disorders, and processes for preparing these compounds.Type: ApplicationFiled: July 16, 2013Publication date: January 30, 2014Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBHInventors: Asitha ABEYWARDANE, Steven Richard BRUNETTE, Michael Jason BURKE, Thomas Martin KIRRANE, JR., Chuk Chui MAN, Daniel Richard MARSHALL, Anil Kumar PADYANA, Hossein RAZAVI, Robert SIBLEY, Lana Louise SMITH KEENAN, Roger John SNOW, Ronald John SORCEK, Hidenori TAKAHASHI, Steven John TAYLOR, Michael Robert TURNER, Erick Richard Roush YOUNG, Qiang ZHANG, Yunlong ZHANG, Renee M. ZINDELL
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Publication number: 20130331919Abstract: Various implantable medical device embodiments stimulate an autonomic neural target from within a pulmonary artery, and comprise at least one electrode, a power supply, a neural stimulator connected to the power supply, and an anchor structure. The neural stimulator is configured to generate a neural stimulation signal for delivery to the neural stimulation target through the at least one electrode. The anchor structure is configured to chronically and securely implant the neural stimulator, the power supply and the at least one electrode within the pulmonary artery. The anchor structure, the neural stimulator, the power supply and the at least one electrode are configured to be implanted through a pulmonary valve into the pulmonary artery. In various embodiments, the neural stimulator is configured to be operational to implement a neural stimulation protocol when chronically implanted within the pulmonary artery without a wired connection through the pulmonary valve.Type: ApplicationFiled: August 12, 2013Publication date: December 12, 2013Applicant: Cardiac Pacemakers, Inc.Inventors: Yunlong Zhang, Haresh G. Sachanandani, Dan Li, Bin Mi
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Patent number: 8527064Abstract: Various implantable medical device embodiments stimulate an autonomic neural target from within a pulmonary artery, and comprise at least one electrode, a power supply, a neural stimulator connected to the power supply, and an anchor structure. The neural stimulator is configured to generate a neural stimulation signal for delivery to the neural stimulation target through the at least one electrode. The anchor structure is configured to chronically and securely implant the neural stimulator, the power supply and the at least one electrode within the pulmonary artery. The anchor structure, the neural stimulator, the power supply and the at least one electrode are configured to be implanted through a pulmonary valve into the pulmonary artery. In various embodiments, the neural stimulator is configured to be operational to implement a neural stimulation protocol when chronically implanted within the pulmonary artery without a wired connection through the pulmonary valve.Type: GrantFiled: December 3, 2008Date of Patent: September 3, 2013Assignee: Cardiac Pacemakers, Inc.Inventors: Yunlong Zhang, Haresh G. Sachanandani, Dan Li, Bin Mi
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Publication number: 20130218221Abstract: According to some method embodiments, a left pulmonary artery electrode is positioned in a left pulmonary artery, and the left pulmonary artery electrode is used to sense atrial activity, or capture cardiac tissue, or deliver neural stimulation. According to some method embodiments, a right pulmonary artery electrode is positioned in a right pulmonary artery and a left pulmonary artery electrode is positioned in a left pulmonary artery, the right pulmonary artery electrode is used to sense atrial activity, or capture cardiac tissue, or deliver neural stimulation, and the left pulmonary artery electrode is used to sense atrial activity, or capture cardiac tissue, or deliver neural stimulation.Type: ApplicationFiled: April 2, 2013Publication date: August 22, 2013Applicant: Cardiac Pacemakers, Inc.Inventors: Yongxing Zhang, Yunlong Zhang
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Patent number: 8494618Abstract: A system to measure intracardiac impedance includes implantable electrodes and a medical device. The electrodes sense electrical signals of a heart of a subject. The medical device includes a cardiac signal sensing circuit coupled to the implantable electrodes, an impedance measurement circuit coupled to the same or different implantable electrodes, and a controller circuit coupled to the cardiac signal sensing circuit and the impedance measurement circuit. The cardiac signal sensing circuit provides a sensed cardiac signal. The impedance measurement circuit senses intracardiac impedance between the electrodes to obtain an intracardiac impedance signal. The controller circuit determines cardiac cycles of the subject using the sensed cardiac signal, and detects tachyarrhythmia using cardiac-cycle to cardiac-cycle changes in a plurality of intracardiac impedance parameters obtained from the intracardiac impedance signal.Type: GrantFiled: August 22, 2005Date of Patent: July 23, 2013Assignee: Cardiac Pacemakers, Inc.Inventors: Yunlong Zhang, James O. Gilkerson, Yongxing Zhang, Boyce Moon
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Patent number: 8480581Abstract: Methods and systems for implantably determining a patient's anemia status and treating anemia are described. Blood viscosity is compared one or more thresholds to determine a patient's anemia status. Therapy, in the form of electrical stimulation therapy or administration of a pharmaceutical delivered to the patient's kidneys or hypothalamus is controlled based on the anemia status.Type: GrantFiled: March 23, 2010Date of Patent: July 9, 2013Assignee: Cardiac Pacemakers, Inc.Inventors: Yunlong Zhang, Bin Mi, John D. Hatlestad
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Publication number: 20130137680Abstract: The present invention relates to compounds of Formula (I) and pharmaceutically acceptable salt thereof, wherein R1, R2, R3, R4, R5 and n are as defined herein. The invention also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.Type: ApplicationFiled: December 1, 2010Publication date: May 30, 2013Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBHInventors: Stephen James Boyer, Jennifer Burke, Xin Guo, Thomas Martin Kirrane, JR., Roger John Snow, Yunlong Zhang
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Publication number: 20130109679Abstract: Disclosed are novel compounds which inhibit RSK, methods of making such compounds and pharmaceutical compositions comprising such compounds. Also disclosed are methods of treating RSK2 regulated disorders using compounds of the invention.Type: ApplicationFiled: November 30, 2010Publication date: May 2, 2013Inventors: Stephen James Boyer, Donghong Amy Gao, Xin Guo, Thomas Martin Kirrane, JR., Christopher Ronald Sarko, Roger John Snow, Fariba Soleymanzadeh, Yunlong Zhang
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Patent number: 8417354Abstract: According to some method embodiments, a left pulmonary artery electrode is positioned in a left pulmonary artery, and the left pulmonary artery electrode is used to sense atrial activity, or capture cardiac tissue, or deliver neural stimulation. According to some method embodiments, a right pulmonary artery electrode is positioned in a right pulmonary artery and a left pulmonary artery electrode is positioned in a left pulmonary artery, the right pulmonary artery electrode is used to sense atrial activity, or capture cardiac tissue, or deliver neural stimulation, and the left pulmonary artery electrode is used to sense atrial activity, or capture cardiac tissue, or deliver neural stimulation.Type: GrantFiled: May 13, 2010Date of Patent: April 9, 2013Assignee: Cardiac Pacemakers, Inc.Inventors: Yongxing Zhang, Yunlong Zhang
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Patent number: 8417355Abstract: A method and apparatus permit sensing one or more forces exerted by one or more portions of a heart. A force transducer and displacement sensor are disclosed. A movement of one or more portions of a heart can be translated into one or more signals indicative of force. These signals can be used to provide information such as to diagnose or treat one or more conditions.Type: GrantFiled: November 5, 2010Date of Patent: April 9, 2013Assignee: Cardiac Pacemakers, Inc.Inventors: Yongxing Zhang, Yunlong Zhang, Xuan Wei
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Patent number: 8417325Abstract: This document discusses, among other things, a system comprising a sensor signal processor configured to receive a plurality of electrical sensor signals produced by a plurality of sensors and at least one sensor signal produced by an implantable sensor, a memory that includes information indicating a co-morbidity of a subject, a sensor signal selection circuit that selects a sensor signal to monitor from among the plurality of sensor signals, according to an indicated co-morbidity, a threshold adjustment circuit that adjusts a detection threshold of the selected sensor signal according to the indicated co-morbidity, and a decision circuit that applies the adjusted detection threshold to the selected sensor signal to determine whether an event associated with worsening heart failure (HF) occurred in the subject and outputs an indication of whether the event associated with worsening HF occurred to a user or process.Type: GrantFiled: October 10, 2008Date of Patent: April 9, 2013Assignee: Cardiac Pacemakers, Inc.Inventors: Haresh G. Sachanandani, Yunlong Zhang
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Patent number: 8401628Abstract: An apparatus comprises an implantable cardiac signal sensing circuit, configured to provide a sensed near-field depolarization signal from a ventricle and to provide a sensed a far-field intrinsic atrial signal using a far-field atrial sensing channel, and a controller circuit communicatively coupled to the cardiac signal sensing circuit. The controller circuit includes a P-wave detection module configured to detect an atrial depolarization in the sensed far-field intrinsic atrial signal and a tachyarrhythmia detection module configured to detect an episode of tachyarrhythmia using the sensed near-field depolarization signal and to determine whether the tachyarrhythmia episode is indicative of supraventricular tachycardia (SVT) using the detected atrial depolarization and the sensed near-field depolarization signal.Type: GrantFiled: June 4, 2009Date of Patent: March 19, 2013Assignee: Cardiac Pacemakers, Inc.Inventors: Dan Li, Allan C. Shuros, Quan Ni, Aaron R. McCabe, Yunlong Zhang, Jaeho Kim
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Patent number: 8321003Abstract: Various method embodiments of the present invention concern sensing patient-internal pressure measurements indicative of physiological exertion, identifying one or more steady state periods of physiological exertion based on the patient-internal pressure measurements, sensing extra-cardiac response data and cardiac response data corresponding to the one or more physiological exertion steady state periods, respectively comparing the extra-cardiac response data and the cardiac response data to extra-cardiac response information and cardiac response information associated with equivalent levels of physiological exertion intensity of the one or more steady state periods, and determining the likelihood that myocardial ischemia occurred during the one or more steady state periods based on the comparison of the extra-cardiac response data to the extra-cardiac response information and the cardiac response data to the cardiac response information.Type: GrantFiled: July 23, 2009Date of Patent: November 27, 2012Assignee: Cardiac Pacemakers, Inc.Inventors: Yi Zhang, Kenneth C. Beck, Aaron Lewicke, Yunlong Zhang
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Patent number: 8265751Abstract: An implantable medical device controls an anti-tachyarrhythmia therapy by detecting a tachyarrhythmia episode from a cardiac signal and analyzing the detected tachyarrhythmia episode in a tachyarrhythmia detection and analysis process to determine whether the anti-tachyarrhythmia therapy needs to be delivered. The tachyarrhythmia detection and classification process includes detection of inhibitory events each indicating that the tachyarrhythmia episode is of a type not to be treated by the anti-tachyarrhythmia therapy or that the tachyarrhythmia episode is not sustaining. The detection of each of the inhibitory events causes the tachyarrhythmia detection and classification process to be restarted or extended, or the delivery of the anti-tachyarrhythmia therapy to be withheld.Type: GrantFiled: February 19, 2010Date of Patent: September 11, 2012Assignee: Cardiac Pacemakers, Inc.Inventors: Yunlong Zhang, Jaeho Kim
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Patent number: 8258301Abstract: Compounds of the formula (I) wherein R1, R2, R3, R4, R5, R6, W, and Y are as described herein, or a tautomer, prodrug, solvate, or salt thereof. These compounds are useful as inhibitors of Urotensin II and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the interaction of Urotensin II with its receptor, including cardiovascular diseases. This invention also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds, and intermediates useful in these processes.Type: GrantFiled: May 12, 2008Date of Patent: September 4, 2012Assignee: Boehringer Ingelheim International GmbHInventors: Brian Nicholas Cook, Anne Bettina Eldrup, Ingo Andreas Mugge, Fariba Soleymanzadeh, Sanxing Sun, Yunlong Zhang
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Patent number: 8244350Abstract: A system and method can sense a tachyarrhythmia, compare the sensed tachyarrhythmia with a ventricular tachyarrhythmia criterion, provide a ventricular tachyarrhythmia therapy when the sensed tachyarrhythmia satisfies the ventricular tachyarrhythmia criterion, provide a neural stimulation when the sensed tachyarrhythmia does not satisfy the ventricular tachyarrhythmia criterion, determine whether the tachyarrhythmia continues during or after the neural stimulation when the tachyarrhythmia is sustained, compare the tachyarrhythmia sensed during or after the neural stimulation with a supraventricular tachyarrhythmia (SVT) criterion, and provide a ventricular tachyarrhythmia therapy when the sensed tachyarrhythmia does not satisfy the SVT criterion.Type: GrantFiled: August 4, 2009Date of Patent: August 14, 2012Assignee: Cardiac Pacemakers, Inc.Inventors: Yunlong Zhang, Dan Li
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Publication number: 20120190992Abstract: Systems and methods provide for ambulatorily sensing pulmonary artery pressure from within a patient, and producing a pulmonary artery pressure measurement from the sensed pulmonary artery pressure. Power is ambulatorily provided within the patient to facilitate sensing of the pulmonary artery pressure and producing of the pulmonary artery pressure measurement. Acute pulmonary embolism is detected based on a change or rate of change in the pulmonary artery pressure measurement. An alert is preferably generated in response to detecting pulmonary embolism.Type: ApplicationFiled: April 3, 2012Publication date: July 26, 2012Inventors: Wangcai Liao, Jeffrey Stahmann, Bin Mi, Yunlong Zhang
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Patent number: 8221323Abstract: Systems and methods for monitoring lung edema fluid status, such as monitoring the presence or absence of pulmonary edema, in a subject using information about responsive acoustic energy echoes from a lung are described. The system comprises, among other things, an implantable device including an acoustic transducer configured to emit acoustic energy to a lung and to receive one or more responsive acoustic energy echoes from a lung. In an example, the implantable device includes a cardiac function management device having an acoustic window in a body thereof. In another example, the implantable device includes one or more subcutaneous leads. An implantable or external processor circuit is configured to receive information about the acoustic energy echoes to compute and provide a lung edema fluid status indication; such information may include an increased number or special pattern of acoustic energy echoes received or a decreased time between successively received echoes.Type: GrantFiled: August 3, 2007Date of Patent: July 17, 2012Assignee: Cardiac Pacemakers, Inc.Inventors: Yunlong Zhang, Yongxing Zhang, Paul E. Zarembo
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Publication number: 20120178752Abstract: The present invention relates to compounds of formula (I): and pharmaceutically acceptable salts thereof, wherein R1 and X are as defined herein. The invention also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.Type: ApplicationFiled: June 29, 2011Publication date: July 12, 2012Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBHInventors: John David GINN, Daniel Richard MARSHALL, Robert SIBLEY, Ronald John SORCEK, Erick Richard Roush YOUNG, Yunlong ZHANG