Patents by Inventor Greg RITCHIE

Greg RITCHIE 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).

  • Ex vivo organ care system
    Patent number: 11944088
    Abstract: The invention generally relates to systems, methods, and devices for ex vivo organ care. More particularly, in various embodiments, the invention relates to caring for a liver ex vivo at physiologic or near-physiologic conditions.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: April 2, 2024
    Assignee: TRANSMEDICS, INC.
    Inventors: Waleed H. Hassanein, Tamer I. Khayal, Ahmed Elbetanony, Jeff Barnes, Greg Ritchie, Richard Bringham, Mark Anderson, John Sullivan
  • Ex vivo organ care system
    Patent number: 11903381
    Abstract: The disclosure generally relates to a system for perfusing an ex-vivo liver including a pump configured to pump a perfusion fluid through a perfusion circuit, the pump in fluid communication with a hepatic artery interface and a portal vein interface; an oxygenator; a heater; an inferior vena cava interface in fluid communication with an inferior vena cava of the ex-vivo liver; and a reservoir configured to receive the perfusion fluid from the inferior vena cava of the ex-vivo liver and store a volume of fluid.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: February 20, 2024
    Assignee: TRANSMEDICS, INC.
    Inventors: Waleed H. Hassanein, Tamer I. Khayal, Ahmed Elbetanony, Jeff Barnes, Greg Ritchie, Richard Bringham, Mark Anderson, John Sullivan
  • EX VIVO ORGAN CARE SYSTEM
    Publication number: 20220232823
    Abstract: The disclosure generally relates to a system for perfusing an ex-vivo liver including a pump configured to pump a perfusion fluid through a perfusion circuit, the pump in fluid communication with a hepatic artery interface and a portal vein interface; an oxygenator; a heater; an inferior vena cava interface in fluid communication with an inferior vena cava of the ex-vivo liver; and a reservoir configured to receive the perfusion fluid from the inferior vena cava of the ex-vivo liver and store a volume of fluid.
    Type: Application
    Filed: April 18, 2022
    Publication date: July 28, 2022
    Inventors: Waleed H. HASSANEIN, Tamer I. KHAYAL, Ahmed ELBETANONY, Jeff BARNES, Greg RITCHIE, Richard BRINGHAM, Mark ANDERSON, John SULLIVAN
  • EX VIVO ORGAN CARE SYSTEM
    Publication number: 20220039373
    Abstract: The invention generally relates to systems, methods, and devices for ex vivo organ care. More particularly, in various embodiments, the invention relates to caring for a liver ex vivo at physiologic or near-physiologic conditions.
    Type: Application
    Filed: October 25, 2021
    Publication date: February 10, 2022
    Inventors: Waleed H. HASSANEIN, Tamer I. KHAYAL, Ahmed ELBETANONY, Jeff BARNES, Greg RITCHIE, Richard BRINGHAM, Mark ANDERSON, John SULLIVAN
  • Ex vivo organ care system
    Patent number: 11154050
    Abstract: The invention generally relates to systems, methods, and devices for ex vivo organ care. More particularly, in various embodiments, the invention relates to caring for a liver ex vivo at physiologic or near-physiologic conditions.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: October 26, 2021
    Assignee: TRANSMEDICS, INC.
    Inventors: Waleed H. Hassanein, Tamer I. Khayal, Ahmed Elbetanony, Jeff Barnes, Greg Ritchie, Richard Bringham, Mark Anderson, John Sullivan
  • Aortic cannula for ex vivo organ care system
    Patent number: 11122795
    Abstract: The invention provides, in various embodiments, devices and methods relating to ex-vivo organ care. In certain embodiments, the invention relates to aortic cannulas for use in perfusion systems to return perfusate to the heart or delivering perfusate from the heart while the organ is sustained ex vivo at physiologic or near-physiologic conditions.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: September 21, 2021
    Assignee: TRANSMEDICS, INC.
    Inventors: Greg Ritchie, Vincent Lambert, II, Richard Bringham, John Sullivan, Waleed H. Hassanein
  • AORTIC CANNULA FOR EX VIVO ORGAN CARE SYSTEM
    Publication number: 20210244017
    Abstract: The invention provides, in various embodiments, devices and methods relating to ex-vivo organ care. In certain embodiments, the invention relates to aortic cannulas for use in perfusion systems to return perfusate to the heart or delivering perfusate from the heart while the organ is sustained ex vivo at physiologic or near-physiologic conditions.
    Type: Application
    Filed: April 30, 2021
    Publication date: August 12, 2021
    Inventors: Greg RITCHIE, Vincent LAMBERT, II, Richard BRINGHAM, John SULLIVAN, Waleed H. HASSANEIN
  • AORTIC CANNULA FOR EX VIVO ORGAN CARE SYSTEM
    Publication number: 20190110466
    Abstract: The invention provides, in various embodiments, devices and methods relating to ex-vivo organ care. In certain embodiments, the invention relates to aortic cannulas for use in perfusion systems to return perfusate to the heart or delivering perfusate from the heart while the organ is sustained ex vivo at physiologic or near-physiologic conditions.
    Type: Application
    Filed: December 21, 2018
    Publication date: April 18, 2019
    Applicant: TransMedics, Inc.
    Inventors: Greg RITCHIE, Vincent LAMBERT, II, Richard BRINGHAM, John SULLIVAN, Waleed H. HASSANEIN
  • Aortic cannula for ex vivo organ care system
    Patent number: 10194655
    Abstract: The invention provides, in various embodiments, devices and methods relating to ex-vivo organ care. In certain embodiments, the invention relates to aortic cannulas for use in perfusion systems to return perfusate to the heart or delivering perfusate from the heart while the organ is sustained ex vivo at physiologic or near-physiologic conditions.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: February 5, 2019
    Assignee: TRANSMEDICS, INC.
    Inventors: Greg Ritchie, Vincent Lambert, II, Richard Bringham, John Sullivan, Waleed H. Hassanein
  • EX VIVO ORGAN CARE SYSTEM
    Publication number: 20190021308
    Abstract: The invention generally relates to systems, methods, and devices for ex vivo organ care. More particularly, in various embodiments, the invention relates to caring for a liver ex vivo at physiologic or near-physiologic conditions.
    Type: Application
    Filed: September 13, 2018
    Publication date: January 24, 2019
    Applicant: TransMedics, Inc.
    Inventors: Waleed H. HASSANEIN, Tamer I. KHAYAL, Ahmed ELBETANONY, Jeff BARNES, Greg RITCHIE, Richard BRINGHAM, Mark ANDERSON, John SULLIVAN
  • Ex vivo organ care system
    Patent number: 10076112
    Abstract: The invention generally relates to systems, methods, and devices for ex vivo organ care. More particularly, in various embodiments, the invention relates to caring for a liver ex vivo at physiologic or near-physiologic conditions.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: September 18, 2018
    Assignee: TRANSMEDIC, INC.
    Inventors: Waleed H. Hassanein, Tamer I. Khayal, Ahmed Elbetanony, Jeff Barnes, Greg Ritchie, Richard Bringham, Mark Anderson, John Sullivan
  • AORTIC CANNULA FOR EX VIVO ORGAN CARE SYSTEM
    Publication number: 20170064943
    Abstract: The invention provides, in various embodiments, devices and methods relating to ex-vivo organ care. In certain embodiments, the invention relates to aortic cannulas for use in perfusion systems to return perfusate to the heart or delivering perfusate from the heart while the organ is sustained ex vivo at physiologic or near-physiologic conditions.
    Type: Application
    Filed: September 7, 2016
    Publication date: March 9, 2017
    Inventors: Greg RITCHIE, Vincent LAMBERT, II, Richard BRINGHAM, John SULLIVAN, Waleed H. HASSANEIN
  • EX VIVO ORGAN CARE SYSTEM
    Publication number: 20150342177
    Abstract: The invention generally relates to systems, methods, and devices for ex vivo organ care. More particularly, in various embodiments, the invention relates to caring for a liver ex vivo at physiologic or near-physiologic conditions.
    Type: Application
    Filed: June 2, 2015
    Publication date: December 3, 2015
    Inventors: Waleed H. HASSANEIN, Tamer I. KHAYAL, Ahmed ELBETANONY, Jeff BARNES, Greg RITCHIE, Richard BRINGHAM, Mark ANDERSON, John SULLIVAN