Patents by Inventor Gregory J. Sherwood

Gregory J. Sherwood 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: 10083798
    Abstract: A capacitor case sealed to retain electrolyte; a sintered anode disposed in the capacitor case, the sintered anode having a shape wherein the sintered anode includes a mating portion; a conductor coupled to the sintered anode, the conductor sealingly extending through the capacitor case to a terminal disposed on an exterior of the capacitor case; a sintered cathode disposed in the capacitor case, the sintered cathode having a shape that mates with the mating portion of the sintered anode such that the sintered cathode matingly fits in the mating portion of the sintered anode; a separator between the sintered anode and the sintered cathode; and a second terminal disposed on the exterior of the capacitor case and in electrical communication with the sintered cathode, with the terminal and the second terminal electrically isolated from one another.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: September 25, 2018
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Gregory J. Sherwood, Peter Jay Kuhn, Jaymes Olson, Matthew Anderson, Brian V. Waytashek, Aaron Floeter
  • Publication number: 20180218843
    Abstract: This disclosure relates to methods and apparatus for enhanced dielectric properties for electrolytic capacitors to store energy in an implantable medical device. One aspect of the present subject matter includes a method for manufacturing a capacitor adapted to be disposed in an implantable device housing. An embodiment of the method includes providing a dielectric comprising aluminum oxide and doping the aluminum oxide with an oxide having a dielectric constant greater than aluminum oxide. Doping the aluminum oxide includes using sol-gel based chemistry, electrodeposition or atomic layer deposition (ALD) in various embodiments.
    Type: Application
    Filed: March 28, 2018
    Publication date: August 2, 2018
    Inventors: Gregory J. Sherwood, Michael J. Root, Mary M. Byron
  • Patent number: 10032565
    Abstract: One aspect provides a capacitor feedthrough assembly having an electrically conductive member dimensioned to extend at least partially through a feedthrough hole of a case of the capacitor, the conductive member having a passage therethrough.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: July 24, 2018
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Michael J. O'Phelan, Brian L. Schmidt, James M. Poplett, Robert R. Tong, Richard J. Kavanagh, Rajesh Iyer, Alexander G. Barr, Luke J. Christenson, Brian V. Waytashek, Brian D. Schenk, Gregory J. Sherwood
  • Publication number: 20180169307
    Abstract: An implantable drug eluting medical device includes a polymer substrate having a surface, a first plurality of nanofibers, and at least one antimicrobial drug. Each of the first plurality of nanofibers includes a first portion interpenetrated with the surface of the substrate to mechanically fix the nanofiber to the substrate, and a second portion projecting from the surface. The at least one antimicrobial drug is disposed within or among the second portion of the first plurality of nanofibers.
    Type: Application
    Filed: December 15, 2017
    Publication date: June 21, 2018
    Inventors: Mary M. Byron, David R. Wulfman, Angelo Fruci, Adam McGraw, Danielle Frankson, Gregory J. Sherwood, Joseph T. Delaney, JR., Adeniyi O. Aremu
  • Patent number: 9959978
    Abstract: This disclosure relates to methods and apparatus for enhanced dielectric properties for electrolytic capacitors to store energy in an implantable medical device. One aspect of the present subject matter includes a method for manufacturing a capacitor adapted to be disposed in an implantable device housing. An embodiment of the method includes providing a dielectric comprising aluminum oxide and doping the aluminum oxide with an oxide having a dielectric constant greater than aluminum oxide. Doping the aluminum oxide includes using sol-gel based chemistry, electrodeposition or atomic layer deposition (ALD) in various embodiments.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: May 1, 2018
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Gregory J. Sherwood, Michael J. Root, Mary M. Byron
  • Publication number: 20180110444
    Abstract: The technology disclosed herein relates to, in part, a gas sampling device. According to some aspects, the gas sampling device has a housing defining an airflow aperture, a gas testing chamber and an airflow pathway extending from the airflow aperture to the gas testing chamber. The housing also defines a sensor receptacle configured to removably hold a disposable sensor test strip within the gas testing chamber and a docking structure configured to be received by a docking station.
    Type: Application
    Filed: October 19, 2017
    Publication date: April 26, 2018
    Inventors: Gregory J. Sherwood, Nathaniel Stark, Justin Theodore Nelson
  • Publication number: 20180043064
    Abstract: An implantable medical device includes a polymer substrate and at least one nanofiber. The polymer substrate includes a surface portion extending into the polymer substrate from a surface of the substrate. The at least one nanofiber includes a first portion and a second portion. The first portion is interpenetrated with the surface portion of the substrate, and mechanically fixed to the substrate. The second portion projects from the surface of the substrate.
    Type: Application
    Filed: August 9, 2017
    Publication date: February 15, 2018
    Inventors: David R. Wulfman, Danielle Frankson, Adeniyi O. Aremu, Angelo Fruci, Gregory J. Sherwood, Mary M. Byron, Joseph T. Delaney, JR., Adam McGraw
  • Publication number: 20170361061
    Abstract: This disclosure is directed to a medical device including a surface that has been roughened to provide a roughened surface that inhibits the adhesion of microorganisms on the roughened surface.
    Type: Application
    Filed: June 14, 2017
    Publication date: December 21, 2017
    Inventors: Danielle Frankson, Gregory J. Sherwood, David R. Wulfman, Kenneth Gunter, Angelo Fruci, Adam McGraw, Mary M. Byron
  • Publication number: 20170360337
    Abstract: Embodiments herein include gas sampling catheters, systems and related methods. In an embodiment, a gas sampling catheter is included. The catheter can include a catheter shaft having a proximal end and a distal end, the catheter shaft defining a lumen therein. The catheter can include a gas sampling port providing fluid communication between the exterior of the catheter shaft adjacent the distal end of the lumen of the catheter shaft. The catheter can further include a sensor element disposed in fluid communication with the lumen, the sensor element configured to detect a component of a gaseous sample. The sensor element can include a first measurement zone comprising a plurality of discrete binding detectors. Other embodiments are also included herein.
    Type: Application
    Filed: June 13, 2017
    Publication date: December 21, 2017
    Inventors: Gregory J. Sherwood, Justin Theodore Nelson
  • Publication number: 20170301476
    Abstract: This document provides an apparatus including a sintered electrode, a second electrode and a separator material arranged in a capacitive stack. A conductive interconnect couples the sintered electrode and the second electrode. Embodiments include a clip interconnect. In some embodiments, the interconnect includes a comb-shaped connector. In some embodiments, the interconnect includes a wire snaked between adjacent sintered substrates.
    Type: Application
    Filed: June 29, 2017
    Publication date: October 19, 2017
    Inventors: Gregory J. Sherwood, Michael J. Root, Jay E. Daley, Eric Stemen
  • Patent number: 9721731
    Abstract: This document provides an apparatus including a sintered electrode, a second electrode and a separator material arranged in a capacitive stack. A conductive interconnect couples the sintered electrode and the second electrode. Embodiments include a clip interconnect. In some embodiments, the interconnect includes a comb-shaped connector. In some embodiments, the interconnect includes a wire snaked between adjacent sintered substrates.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: August 1, 2017
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Gregory J. Sherwood, Michael J. Root, Jay E. Daley, Eric Stemen
  • Publication number: 20170076874
    Abstract: One aspect provides a capacitor feedthrough assembly having an electrically conductive member dimensioned to extend at least partially through a feedthrough hole of a case of the capacitor, the conductive member having a passage therethrough.
    Type: Application
    Filed: November 23, 2016
    Publication date: March 16, 2017
    Inventors: Michael J. O'Phelan, Brian L. Schmidt, James M. Poplett, Robert R. Tong, Richard J. Kavanagh, Rajesh Iyer, Alexander G. Barr, Luke J. Christenson, Brian V. Waytashek, Brian D. Schenk, Gregory J. Sherwood
  • Publication number: 20170076873
    Abstract: A capacitor case sealed to retain electrolyte; a sintered anode disposed in the capacitor case, the sintered anode having a shape wherein the sintered anode includes a mating portion; a conductor coupled to the sintered anode, the conductor sealingly extending through the capacitor case to a terminal disposed on an exterior of the capacitor case; a sintered cathode disposed in the capacitor case, the sintered cathode having a shape that mates with the mating portion of the sintered anode such that the sintered cathode matingly fits in the mating portion of the sintered anode; a separator between the sintered anode and the sintered cathode; and a second terminal disposed on the exterior of the capacitor case and in electrical communication with the sintered cathode, with the terminal and the second terminal electrically isolated from one another.
    Type: Application
    Filed: September 16, 2016
    Publication date: March 16, 2017
    Inventors: Gregory J. Sherwood, Peter Jay Kuhn, Jaymes Olson, Matthew Anderson, Brian V. Waytashek, Aaron Floeter
  • Publication number: 20170076871
    Abstract: An apparatus including a capacitor case sealed to retain electrolyte; a plurality of sintered anodes disposed in the capacitor case, each of the plurality of sintered anodes having a hole at least partially through the sintered anode; and at least one post placed through the holes of the plurality of sintered anodes to electrically couple the sintered anodes.
    Type: Application
    Filed: September 16, 2016
    Publication date: March 16, 2017
    Inventors: Gregory J. Sherwood, Peter Jay Kuhn, Jaymes Olson, Matthew Anderson, Brian V. Waytashek, Aaron Floeter
  • Publication number: 20160367800
    Abstract: A polymer device configured to be implanted into a subcutaneous pocket to prevent infection, the pocket formed to contain an implantable medical device housing. The polymer device includes a structure made of a bioresorbable polymer, and an antimicrobial agent configured to elute from the structure. The polymer device is configured to cover less than about 20% of the surface area of the implantable medical device housing when implanted into the subcutaneous pocket.
    Type: Application
    Filed: June 17, 2016
    Publication date: December 22, 2016
    Inventors: Gregory J. Sherwood, Mary M. Byron, David R. Wulfman
  • Publication number: 20160372267
    Abstract: One aspect provides a capacitor feedthrough assembly having an electrically conductive member dimensioned to extend at least partially through a feedthrough hole of a case of the capacitor, the conductive member having a passage therethrough.
    Type: Application
    Filed: August 30, 2016
    Publication date: December 22, 2016
    Inventors: Michael J. O'Phelan, Brian L. Schmidt, James M. Poplett, Robert R. Tong, Richard J. Kavanagh, Rajesh Iyer, Alexander G. Barr, Luke J. Christenson, Brian V. Waytashek, Brian D. Schenk, Gregory J. Sherwood
  • Publication number: 20160358699
    Abstract: A ferrule for an implantable medical device (IMD) can employ stamped metal portion including an electrically-conductive ferrule portion. The stamped ferrule portion can be affixed to a wall of a housing of the IMD. The resulting ferrule can provide cost savings or higher production throughput over a ferrule employing machined ferrule portion.
    Type: Application
    Filed: August 18, 2016
    Publication date: December 8, 2016
    Inventors: Mark Stevenson, Meherdil D. Dastur, James Blilie, Gregory J. Sherwood, Patrick J. Barry, Derek John Boettger
  • Publication number: 20160358715
    Abstract: This document provides an apparatus including a sintered electrode, a second electrode and a separator material arranged in a capacitive stack. A conductive interconnect couples the sintered electrode and the second electrode. Embodiments include a clip interconnect. In some embodiments, the interconnect includes a comb-shaped connector. In some embodiments, the interconnect includes a wire snaked between adjacent sintered substrates.
    Type: Application
    Filed: August 16, 2016
    Publication date: December 8, 2016
    Inventors: Gregory J. Sherwood, Michael J. Root, Jay E. Daley, Eric Stemen
  • Patent number: 9443660
    Abstract: One aspect provides a capacitor feedthrough assembly having an electrically conductive member dimensioned to extend at least partially through a feedthrough hole of a case of the capacitor, the conductive member having a passage therethrough.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: September 13, 2016
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Michael J. O'Phelan, Brian L. Schmidt, James M. Poplett, Robert R. Tong, Richard J. Kavanagh, Rajesh Iyer, Alexander G. Barr, Luke J. Christenson, Brian V. Waytashek, Brian D. Schenk, Gregory J. Sherwood
  • Patent number: 9431814
    Abstract: A ferrule for an implantable medical device (IMD) can employ stamped metal portion including an electrically-conductive ferrule portion. The stamped ferrule portion can be affixed to a wall of a housing of the IMD. The resulting ferrule can provide cost savings or higher production throughput over a ferrule employing machined ferrule portion.
    Type: Grant
    Filed: February 12, 2013
    Date of Patent: August 30, 2016
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Mark Stevenson, Meherdil D. Dastur, James Blilie, Gregory J. Sherwood, Patrick J. Barry, Derek John Boettger