Patents by Inventor Timothy J. Davis

Timothy J. Davis 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: 9643009
    Abstract: An implantable stimulation system comprises a stimulator for generating electrical stimulation and a conductive stimulation lead having a proximal end electrically coupled to the stimulator, wherein at least a first component of the impedance looking into the stimulator is substantially matched to the impedance of the stimulation lead. At least one distal stimulation electrode is positioned proximate the distal end of the stimulation lead.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: May 9, 2017
    Assignee: MEDTRONIC, INC.
    Inventors: Piotr Przybyszewski, Carl D. Wahlstrand, Timothy J. Davis, Gregory A. Hrdlicka, James M. Olsen
  • Publication number: 20160175596
    Abstract: An implantable stimulation system comprises a stimulator for generating electrical stimulation and a conductive stimulation lead having a proximal end electrically coupled to the stimulator, wherein at least a first component of the impedance looking into the stimulator is substantially matched to the impedance of the stimulation lead. At least one distal stimulation electrode is positioned proximate the distal end of the stimulation lead.
    Type: Application
    Filed: March 1, 2016
    Publication date: June 23, 2016
    Inventors: Piotr Pryzbyszewski, Carl D. Wahlstrand, Timothy J. Davis, Gregory A. Hrdlicka, James M. Olsen
  • Patent number: 9272144
    Abstract: An implantable stimulation system comprises a stimulator for generating electrical stimulation and a conductive stimulation lead having a proximal end electrically coupled to the stimulator, wherein at least a first component of the impedance looking into the stimulator is substantially matched to the impedance of the stimulation lead. At least one distal stimulation electrode is positioned proximate the distal end of the stimulation lead.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: March 1, 2016
    Assignee: MEDTRONIC, INC.
    Inventors: Piotr Przybyszewski, Carl D. Wahlstrand, Timothy J. Davis, Gregory A. Hrdlicka, James M. Olsen
  • Publication number: 20160012218
    Abstract: An iris biometric recognition module includes technology for capturing images of an iris of an eye of a person, whether the person is moving or stationary. The iris biometric recognition technology can perform an iris matching procedure for, e.g., authentication or identity purposes, by comparing a digital iris image to a reference iris image and, if the digital and reference iris images match, transition an object from a locked to an unlocked state to allow access to the object.
    Type: Application
    Filed: September 24, 2015
    Publication date: January 14, 2016
    Inventors: Steven N. Perna, Mark A. Clifton, Jongjin Kim, Bobby S. Varma, Stephen J. Piro, Barry E. Mapen, Kevin P. Richards, David Alan Ackerman, Ann-Marie Lanzillotto, David J. Wade, Timothy J. Davis, Michael P. Fleisch, Jitendra J. Bhangley, Glen J. Van Sant
  • Publication number: 20160012292
    Abstract: An iris biometric recognition module includes technology for capturing images of an iris of an eye of a person, whether the person is moving or stationary. The iris biometric recognition technology can perform an iris matching procedure for, e.g., identity purposes by querying a database for data related to an identified person, comparing the data with a plurality of content, and, in response to a determination that the data matches at least one piece of the plurality of content, display the plurality of content specific to the person on a display device.
    Type: Application
    Filed: September 24, 2015
    Publication date: January 14, 2016
    Inventors: Steven N. Perna, Mark A. Clifton, Jongjin Kim, Bobby S. Varma, Stephen J. Piro, Barry E. Mapen, Kevin P. Richards, David Alan Ackerman, Ann-Marie Lanzillotto, David J. Wade, Timothy J. Davis, Michael P. Fleisch, Jitendra J. Bhangley, Glen J. Van Sant
  • Publication number: 20160014121
    Abstract: An iris biometric recognition module includes technology for capturing images of an iris of an eye of a person, whether the person is moving or stationary. The iris biometric recognition technology can perform an iris matching procedure for, e.g., authentication or identity purposes, by comparing a digital iris image to a reference iris image and, if at least a portion of the digital and reference iris images match, authenticating a person as authorized to conduct a financial transaction.
    Type: Application
    Filed: September 24, 2015
    Publication date: January 14, 2016
    Inventors: Steven N. Perna, Mark A. Clifton, Jongjin Kim, Bobby S. Varma, Stephen J. Piro, Barry E. Mapen, Kevin P. Richards, David Alan Ackerman, Ann-Marie Lanzillotto, David J. Wade, Timothy J. Davis, Michael P. Fleisch, Jitendra J. Bhangley, Glen J. Van Sant
  • Publication number: 20150190640
    Abstract: An implantable stimulation system comprises a stimulator for generating electrical stimulation and a conductive stimulation lead having a proximal end electrically coupled to the stimulator, wherein at least a first component of the impedance looking into the stimulator is substantially matched to the impedance of the stimulation lead. At least one distal stimulation electrode is positioned proximate the distal end of the stimulation lead.
    Type: Application
    Filed: March 18, 2015
    Publication date: July 9, 2015
    Inventors: Piotr Przybyszewski, Carl D. Wahlstrand, Timothy J. Davis, Gregory A. Hrdlicka, James M. Olsen
  • Publication number: 20150098630
    Abstract: An iris biometric recognition module includes technology for capturing images of an iris of an eye of a person, whether the person is moving or stationary, and whether the person is located near the iris image capture device or at a distance from the iris image capture device. The iris biometric recognition technology can perform an iris matching procedure for, e.g., authentication or identity verification purposes. The iris biometric recognition module can be incorporated into, for example, a door lock assembly and other access controlled devices, mechanisms, and systems.
    Type: Application
    Filed: October 8, 2014
    Publication date: April 9, 2015
    Inventors: Steven N. Perna, John M. Margicin, Mark A. Clifton, Jongjin Kim, Bobby S. Varma, Stephen J. Piro, Barry E. Mapen, Kevin P. Richards, David Alan Ackerman, Ann-Marie Lanzillotto, David J. Wade, Timothy J. Davis, Michael P. Fleisch, Jitendra J. Bhangley, Glen J. Van Sant, James R. Bergen
  • Publication number: 20150098629
    Abstract: An iris biometric recognition module includes technology for capturing images of an iris of an eye of a person, whether the person is moving or stationary, and whether the person is located near the iris image capture device or at a distance from the iris image capture device. The iris biometric recognition technology can perform an iris matching procedure for, e.g., authentication or identity verification purposes. The iris biometric recognition module can be incorporated into, for example, a door lock assembly and other access controlled devices, mechanisms, and systems.
    Type: Application
    Filed: October 8, 2014
    Publication date: April 9, 2015
    Inventors: Steven N. Perna, John M. Margicin, Mark A. Clifton, Jongjin Kim, Bobby S. Varma, Stephen J. Piro, Barry E. Mapen, Kevin P. Richards, David Alan Ackerman, Ann-Marie Lanzillotto, David J. Wade, Timothy J. Davis, Michael P. Fleisch, Jitendra J. Bhangley, Glen J. Van Sant, James R. Bergen
  • Patent number: 8989840
    Abstract: An implantable stimulation system comprises a stimulator for generating electrical stimulation and a conductive stimulation lead having a proximal end electrically coupled to the stimulator, wherein at least a first component of the impedance looking into the stimulator is substantially matched to the impedance of the stimulation lead. At least one distal stimulation electrode is positioned proximate the distal end of the stimulation lead.
    Type: Grant
    Filed: March 2, 2005
    Date of Patent: March 24, 2015
    Assignee: Medtronic, Inc.
    Inventors: Piotr Przybyszewski, Carl D. Wahlstrand, Timothy J. Davis, Gregory A. Hrdlicka, James M. Olsen
  • Patent number: 8452402
    Abstract: A reflectance-type optical sensor includes one or more photodiodes formed in a semiconductor substrate. A well having sidewalls and a bottom is formed in the top surface of the substrate, and a reflective layer is formed on the sidewalls and bottom. A light-emitting diode (LED) is mounted in the well, so that light emitted laterally and rearwardly from the LED strikes the sidewalls or bottom and is redirected in a direction generally perpendicular to the top surface of the substrate. The optical sensor can be fabricated using microelectromechanical systems (MEMS) fabrication techniques.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: May 28, 2013
    Assignee: Medtronic, Inc.
    Inventors: Robert M. Ecker, Jonathan L. Kuhn, James D. Reinke, Can Cinbis, Timothy J. Davis, Paul F. Gerrish, Jonathan P. Roberts
  • Patent number: 8428712
    Abstract: A system, method and implantable medical for concurrently providing a therapeutic output to a patient while communicating transcutaneously with an external device. The therapeutic output is provided to the patient with an implantable medical device wherein an electromagnetic signal is associated with at least one of recharging of a rechargeable power source and providing the therapeutic output. Bi-directional transcutaneous communication is conducted via via telemetry between the implantable medical device and an external device using a telemetry signal while the telemetry signal and the electromagnetic signal occur simultaneously.
    Type: Grant
    Filed: July 20, 2005
    Date of Patent: April 23, 2013
    Assignee: Medtronic, Inc.
    Inventors: Timothy J. Davis, Leroy L. Perz, Nathan A. Torgerson, Carl D. Wahlstrand, David W. Hoffman
  • Patent number: 8380311
    Abstract: A housing for an implantable medical device includes a first portion formed from a first material and a second portion formed from a second material. The first material and the second material comprise titanium and the first material has a higher resistivity than the second material.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: February 19, 2013
    Assignee: Medtronic, Inc.
    Inventors: Bernard Q. Li, John J. Grevious, Timothy J. Davis, Leroy Perz, Chris J. Paidosh
  • Publication number: 20120265452
    Abstract: The invention is a method for monitoring an amount of gas available in a cryosurgical system used for conducting a cryosurgical procedure. Based on information pertaining to a planned cryosurgical procedure, cryoprobe-specific information for each cryoprobe connected to the cryosurgical system, the specified volumetric capacity of a cryogas source, and measured pressure of the gas in the cryogas source, the method determines the mass flow rates of gas flowing through each cryoprobe, the total mass flow rate of the gas through the cryosurgical system, and the mass of the gas in the cryogas source at standard atmospheric conditions. The amount of time available for completing the cryosurgical procedure before the cryogas source is expended is determined as the arithmetic ratio of the mass of the gas in the cryogas source to the total mass flow rate of the gas through the cryosurgical system.
    Type: Application
    Filed: April 14, 2011
    Publication date: October 18, 2012
    Applicant: GALIL MEDICAL INC.
    Inventors: Satish Ramadhyani, Luan Thien Chan, Jason W. Sprain, Timothy J. Davis, William M. Jacqmein
  • Publication number: 20120265189
    Abstract: The invention is a method for using a cryoprobe for cryoablating, thawing and/or cauterizing a tissue during a cryosurgical procedure. An embodiment of the cryosurgical system comprises a controller including a cryoprobe with an electrical heating element. The controller operates the electrical heating element for heating a treatment head of the cryoprobe to a temperature sufficient for cauterizing the tissue in the vicinity of the treatment head. Additionally, the controller regulates a supply of a heating gas and a cooling gas, respectively, for thawing and cryoablating the tissue in the vicinity of the treatment head. The controller is configured for operating a plurality of cryoprobes connected thereto.
    Type: Application
    Filed: April 14, 2011
    Publication date: October 18, 2012
    Applicant: GALIL MEDICAL INC.
    Inventors: Timothy J. Davis, Satish Ramadhyani, William M. Jacqmein, Vineel Vallapureddy, Luan Thien Chan
  • Patent number: 8290557
    Abstract: An implantable medical device includes a hermetically sealed housing and a first light emitting diode (LED) enclosed within the housing configured to detect light corresponding to a selected light wavelength. A conductive element extends from the LED for carrying a current signal corresponding to the light detected by the LED, the intensity of the detected light being correlated to a change in a physiological condition in a body fluid volume or a tissue volume proximate the LED.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: October 16, 2012
    Assignee: Medtronic, Inc.
    Inventors: Timothy J. Davis, Jonathan P. Roberts, James D. Reinke, Jonathan L. Kuhn, Shawn D. Knowles
  • Patent number: 8275432
    Abstract: An implantable optical sensor and associated manufacturing method include a sensor housing having an inner surface and an outer surface and a window formed in the housing extending between the housing inner surface and the housing outer surface. An opto-electronic device enclosed within the housing and having a photonic surface is operatively positioned proximate the window for emitting light through the window or detecting light through the window. An optical coupling member is positioned between the opto-electronic device and the window for reducing light reflection at a surface within the implantable optical sensor.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: September 25, 2012
    Assignee: Medtronic, Inc.
    Inventors: Jonathan L. Kuhn, Timothy J. Davis, Can Cinbis, Robert M. Ecker, Shawn D. Knowles, Thomas A. Anderson, Jeffrey M. Jelen
  • Patent number: 8275435
    Abstract: An implantable medical device having an optical sensor selects the function of modular opto-electronic assemblies included in the optical sensor. Each assembly is provided with at least one light emitting device and at least one light detecting device. A device controller coupled to the optical sensor controls the function of each the assemblies. The controller executes a sensor performance test and selects at least one of the plurality of assemblies to operate as a light emitting assembly in response to a result of the performance test. The controller selects at least one other of the plurality of optical sensor assemblies to operate as a light detecting assembly in response to a result of the performance test.
    Type: Grant
    Filed: January 21, 2010
    Date of Patent: September 25, 2012
    Assignee: Medtronic, Inc.
    Inventors: Jonathan L. Kuhn, Jonathan P. Roberts, Andrew J. Ries, James D. Reinke, Jeffrey M. Jelen, Robert M. Ecker, Timothy J. Davis, Can Cinbis, Thomas A. Anderson
  • Publication number: 20120232354
    Abstract: A medical device including an optical sensor is configured to measure an optical signal by integrating a current induced on a light detector of the optical sensor to obtain a voltage signal. The voltage signal is compared to a threshold. Responsive to the voltage signal reaching the threshold, an optical sensor control parameter is adjusted. The optical sensor is operated to produce the voltage signal using the adjusted control parameter.
    Type: Application
    Filed: March 9, 2011
    Publication date: September 13, 2012
    Inventors: Robert Michael Ecker, Timothy J. Davis, James D. Reinke
  • Publication number: 20100185262
    Abstract: An implantable medical device having an optical sensor selects the function of modular opto-electronic assemblies included in the optical sensor. Each assembly is provided with at least one light emitting device and at least one light detecting device. A device controller coupled to the optical sensor controls the function of each the assemblies. The controller executes a sensor performance test and selects at least one of the plurality of assemblies to operate as a light emitting assembly in response to a result of the performance test.
    Type: Application
    Filed: January 21, 2010
    Publication date: July 22, 2010
    Inventors: Jonathan L. Kuhn, Jonathan P. Roberts, Andrew J. Ries, James D. Reinke, Jeffrey M. Jelen, Robert M. Ecker, Timothy J. Davis, Can Cinbis, Thomas A. Anderson