Patents by Inventor Eric Y. Chow
Eric Y. Chow 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: 10220217Abstract: A particular implantable device may include one or more antennas configured to receive a first far field radiative signal and a second far field radiative signal. The one or more antennas may be configured to receive the first far field radiative signal in a first frequency band and to receive the second far field radiative signal in a second frequency band. The implantable device may include a voltage rectifier configured to rectify the received first far field radiative signal and the received second far field radiative signal to provide a rectified voltage signal. The implantable device may further include a charge storage element operative to receive the rectified voltage signal and to store charge responsive to the rectified voltage signal. The implantable device may also include a therapy delivery unit powered by the charge storage element. The therapy delivery unit may be operative to deliver a therapy to a patient.Type: GrantFiled: July 28, 2016Date of Patent: March 5, 2019Assignee: LivaNova USA, Inc.Inventors: Eric Y. Chow, Jonathan D. Rowell
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Patent number: 9913986Abstract: A particular implantable device includes one or more electrode connectors and multiple circuit elements within a housing. The implantable medical device may also include one or more switches, where each switch of the one or more switches is coupled between one or more of the multiple circuit elements and at least one electrode connector of the one or more electrode connectors.Type: GrantFiled: January 14, 2013Date of Patent: March 13, 2018Assignee: Cyberonics, Inc.Inventors: Eric Y. Chow, David L. Thompson
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Patent number: 9675809Abstract: An isolated circuit including a RF input configured to receive a far field radiative powering signal and a rectified voltage output configured to provide a rectified voltage based on the received far field radiative powering signal. The isolated circuit also includes a first power assembly comprising a first impedance coupled to the RF input where the first impedance is provided, at least in part, by activating a first switch in response to the rectified voltage satisfying a first voltage threshold. The isolated circuit also includes a second power assembly comprising a second impedance coupled to the RF input where the second impedance is provided, at least in part, by activating the first switch and a second switch in response to the rectified voltage satisfying the first voltage threshold and a second voltage threshold, respectively.Type: GrantFiled: May 24, 2013Date of Patent: June 13, 2017Assignee: CYBERONICS, INC.Inventor: Eric Y. Chow
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Patent number: 9662021Abstract: A system is provided for the transmission of in vivo arterial pressure, the system comprising: an a pressure sensor whereby in vivo arterial pressure data is collected; a wireless transmitter, whereby the in vivo arterial pressure data is transmitted to be received disposed externally to a patient in which the system is disposed; a stent body, the stent body having an integral antenna, and a power source, whereby power is supplied to the system.Type: GrantFiled: January 12, 2010Date of Patent: May 30, 2017Assignee: Purdue Research FoundationInventors: Eric Y. Chow, Brooke Beier, William J. Chappell, Pedro P. Irazoqui
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Patent number: 9531195Abstract: A case for an implantable medical device includes a metal case portion, having an inside and an outside, configured to attach to at least one other case portion to define a biocompatible case for the implantable medical device. The metal case portion has a plurality of grooves disposed on at least one of the inside and the outside, the grooves being oriented substantially perpendicular to an expected direction of eddy currents produced by an inductive recharging coil in proximity thereto.Type: GrantFiled: April 29, 2011Date of Patent: December 27, 2016Assignee: CYBERONICS, INC.Inventors: David L. Thompson, Jianxiang Shen, Anthony W. Cowley, Saadat Hussain, Eric Y. Chow, Jared B. Floyd, James L. Flesher
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Patent number: 9522282Abstract: A system includes a first implantable medical device configured to receive a first far field radiative signal at a first frequency from an external transmitter to charge a first charge storage device. The first implantable medical device includes a first therapy delivery unit powered by the first charge storage device. The first therapy delivery unit delivers a first therapy to a first target tissue of a patient. The system also includes a second implantable medical device configured to receive a second far field radiative signal at a second frequency from the external transmitter to charge a second charge storage device. The second implantable medical device includes a second therapy delivery unit powered by the second charge storage device. The second therapy delivery unit delivers a second therapy to a second target tissue of the patient.Type: GrantFiled: April 24, 2013Date of Patent: December 20, 2016Assignee: CYBERONICS, INC.Inventors: Eric Y. Chow, Jonathan D. Rowell
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Publication number: 20160331982Abstract: A particular implantable device may include one or more antennas configured to receive a first far field radiative signal and a second far field radiative signal. The one or more antennas may be configured to receive the first far field radiative signal in a first frequency band and to receive the second far field radiative signal in a second frequency band. The implantable device may include a voltage rectifier configured to rectify the received first far field radiative signal and the received second far field radiative signal to provide a rectified voltage signal. The implantable device may further include a charge storage element operative to receive the rectified voltage signal and to store charge responsive to the rectified voltage signal. The implantable device may also include a therapy delivery unit powered by the charge storage element. The therapy delivery unit may be operative to deliver a therapy to a patient.Type: ApplicationFiled: July 28, 2016Publication date: November 17, 2016Applicant: Cyberonics, Inc.Inventors: Eric Y. CHOW, Jonathan D. ROWELL
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Patent number: 9492678Abstract: A particular implantable device may include an antenna configured to receive a far field radiative signal. The implantable device may also include a voltage rectifier configured to rectify the far field radiative signal received by the antenna to provide a rectified voltage signal. The implantable device may further include a charge storage element operative to receive the rectified voltage signal and to store charge responsive to the rectified voltage signal. The implantable device may also include a therapy delivery unit powered by the charge storage element. The therapy delivery unit is operative to deliver a therapy to a patient.Type: GrantFiled: March 29, 2012Date of Patent: November 15, 2016Assignee: CYBERONICS, INC.Inventor: Eric Y. Chow
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Patent number: 9492656Abstract: A particular implantable device may include an antenna configured to receive a far field radiative signal. The implantable device may also include a voltage rectifier configured to rectify the far field radiative signal received by the antenna to provide a rectified voltage signal. The implantable device may further include a charge storage element operative to receive the rectified voltage signal and to store charge responsive to the rectified voltage signal. The implantable device may also include a stimulation module powered by the charge storage element. The stimulation module may be operative to generate an electrical stimulation signal to stimulate a target nerve of a patient. The implantable medical device may further include a nerve wrap configured to house the voltage rectifier, the charge storage element, and the stimulation module. The nerve wrap may include one or more electrodes operative to deliver the electrical stimulation signal to the target nerve.Type: GrantFiled: March 2, 2015Date of Patent: November 15, 2016Assignee: CYBERONICS, INC.Inventors: Eric Y. Chow, Milton M. Morris, David L. Thompson
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Patent number: 9402994Abstract: A particular implantable device may include one or more antennas configured to receive a first far field radiative signal and a second far field radiative signal. The one or more antennas may be configured to receive the first far field radiative signal in a first frequency band and to receive the second far field radiative signal in a second frequency band. The implantable device may include a voltage rectifier configured to rectify the received first far field radiative signal and the received second far field radiative signal to provide a rectified voltage signal. The implantable device may further include a charge storage element operative to receive the rectified voltage signal and to store charge responsive to the rectified voltage signal. The implantable device may also include a therapy delivery unit powered by the charge storage element. The therapy delivery unit may be operative to deliver a therapy to a patient.Type: GrantFiled: March 29, 2012Date of Patent: August 2, 2016Assignee: CYBERONICS, INC.Inventors: Eric Y. Chow, Jonathan D. Rowell
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Patent number: 9265958Abstract: An implantable medical device includes a case having a conductive housing defining an opening. A dielectric material is coupled to the conductive housing to hermetically seal the opening. An antenna is within the case under the dielectric material. A header block is coupled to the case over the dielectric material.Type: GrantFiled: December 16, 2011Date of Patent: February 23, 2016Assignee: CYBERONICS, INC.Inventors: Himanshu Joshi, Eric Y. Chow, Clint Warren
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Patent number: 9259582Abstract: An implantable medical device may include a case which houses components of the implantable medical device. The implantable medical device may include an inductive coil coupled to a rechargeable battery. The inductive coil may be operative to inductively couple to an external coil and to transfer energy from the external coil to the rechargeable battery to recharge the rechargeable battery. The implantable medical device may include a cutout formed in the case of the implantable medical device and filled with a dielectric material. The cutout may be operative to reduce eddy currents in the case during recharge of the rechargeable battery. The implantable medical device may include a slot antenna disposed within the case. The slot antenna may be operative to communicate with an external device through the cutout in the case.Type: GrantFiled: April 29, 2011Date of Patent: February 16, 2016Assignee: CYBERONICS, INC.Inventors: Himanshu Joshi, David L. Thompson, Jared Brandon Floyd, Eric Y. Chow, Jonathan D. Rowell
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Patent number: 9078613Abstract: A system is provided for monitoring intraocular pressure, the system comprising: a sensor package configured to be disposed in the suprachoroidal space of a patient's eye; a pressure sensor; a wireless transceiver disposed within the sensor package and coupled to the pressure sensor; an external transceiver, the external receiver being wirelessly coupled to the wireless transceiver when the transceiver is disposed proximate to the patient's eye.Type: GrantFiled: May 28, 2013Date of Patent: July 14, 2015Assignee: Purdue Research FoundationInventors: Pedro P. Irazoqui, Eric Y. Chow, William J. Chappell, Chin-Lung Yang, Babak Ziaie
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Publication number: 20150174398Abstract: A particular implantable device may include an antenna configured to receive a far field radiative signal. The implantable device may also include a voltage rectifier configured to rectify the far field radiative signal received by the antenna to provide a rectified voltage signal. The implantable device may further include a charge storage element operative to receive the rectified voltage signal and to store charge responsive to the rectified voltage signal. The implantable device may also include a stimulation module powered by the charge storage element. The stimulation module may be operative to generate an electrical stimulation signal to stimulate a target nerve of a patient. The implantable medical device may further include a nerve wrap configured to house the voltage rectifier, the charge storage element, and the stimulation module. The nerve wrap may include one or more electrodes operative to deliver the electrical stimulation signal to the target nerve.Type: ApplicationFiled: March 2, 2015Publication date: June 25, 2015Applicant: CYBERONICS, INC.Inventors: Eric Y. CHOW, Milton M. MORRIS, David L. THOMPSON
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Patent number: 8989867Abstract: A particular implantable device may include an antenna configured to receive a far field radiative signal. The implantable device may also include a voltage rectifier configured to rectify the far field radiative signal received by the antenna to provide a rectified voltage signal. The implantable device may further include a charge storage element operative to receive the rectified voltage signal and to store charge responsive to the rectified voltage signal. The implantable device may also include a stimulation module powered by the charge storage element. The stimulation module may be operative to generate an electrical stimulation signal to stimulate a target nerve of a patient. The implantable medical device may further include a nerve wrap configured to house the voltage rectifier, the charge storage element, and the stimulation module. The nerve wrap may include one or more electrodes operative to deliver the electrical stimulation signal to the target nerve.Type: GrantFiled: March 29, 2012Date of Patent: March 24, 2015Assignee: Cyberonics, Inc.Inventors: Eric Y. Chow, Milton M. Morris, David L. Thompson
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Publication number: 20140200638Abstract: A particular implantable device includes one or more electrode connectors and multiple circuit elements within a housing. The implantable medical device may also include one or more switches, where each switch of the one or more switches is coupled between one or more of the multiple circuit elements and at least one electrode connector of the one or more electrode connectors.Type: ApplicationFiled: January 14, 2013Publication date: July 17, 2014Applicant: CYBERONICS, INC.Inventors: Eric Y. CHOW, David L. THOMPSON
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Publication number: 20140088400Abstract: A system is provided for monitoring intraocular pressure, the system comprising: a sensor package configured to be disposed in the suprachoroidal space of a patient's eye; a pressure sensor; a wireless transceiver disposed within the sensor package and coupled to the pressure sensor; an external transceiver, the external receiver being wirelessly coupled to the wireless transceiver when the transceiver is disposed proximate to the patient's eye.Type: ApplicationFiled: May 28, 2013Publication date: March 27, 2014Applicant: Perdue Research FoundationInventors: Pedro P. Irazoqui, Eric Y. Chow, William J. Chappell, Chin-Lung Yang, Babak Ziaie
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Publication number: 20130261703Abstract: A system includes a first implantable medical device configured to receive a first far field radiative signal at a first frequency from an external transmitter to charge a first charge storage device. The first implantable medical device includes a first therapy delivery unit powered by the first charge storage device. The first therapy delivery unit delivers a first therapy to a first target tissue of a patient. The system also includes a second implantable medical device configured to receive a second far field radiative signal at a second frequency from the external transmitter to charge a second charge storage device. The second implantable medical device includes a second therapy delivery unit powered by the second charge storage device. The second therapy delivery unit delivers a second therapy to a second target tissue of the patient.Type: ApplicationFiled: April 24, 2013Publication date: October 3, 2013Applicant: CYBERONICS, INC.Inventors: Eric Y. CHOW, Jonathan D. ROWELL
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Publication number: 20130253612Abstract: An isolated circuit including a RF input configured to receive a far field radiative powering signal and a rectified voltage output configured to provide a rectified voltage based on the received far field radiative powering signal. The isolated circuit also includes a first power assembly comprising a first impedance coupled to the RF input where the first impedance is provided, at least in part, by activating a first switch in response to the rectified voltage satisfying a first voltage threshold. The isolated circuit also includes a second power assembly comprising a second impedance coupled to the RF input where the second impedance is provided, at least in part, by activating the first switch and a second switch in response to the rectified voltage satisfying the first voltage threshold and a second voltage threshold, respectively.Type: ApplicationFiled: May 24, 2013Publication date: September 26, 2013Applicant: CYBERONICS, INC.Inventor: Eric Y. CHOW
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Patent number: 8475374Abstract: A system is provided for monitoring intraocular pressure, the system comprising: a sensor package configured to be disposed in the suprachoroidal space of a patient's eye; a pressure sensor; a wireless transceiver disposed within the sensor package and coupled to the pressure sensor; an external transceiver, the external receiver being wirelessly coupled to the wireless transceiver when the transceiver is disposed proximate to the patient's eye.Type: GrantFiled: August 22, 2008Date of Patent: July 2, 2013Assignee: Purdue Research FoundationInventors: Pedro P. Irazoqui, Eric Y. Chow, William J. Chappell, Chin-Lung Yang, Babak Ziaie