Patents by Inventor Doug M. Messner

Doug M. Messner 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: 12102813
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: October 1, 2024
    Assignee: TC1 LLC
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Publication number: 20240252809
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Application
    Filed: February 2, 2024
    Publication date: August 1, 2024
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Patent number: 11944801
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: April 2, 2024
    Assignee: TC1 LLC
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Patent number: 11944802
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: April 2, 2024
    Assignee: TC1 LLC
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Patent number: 11925797
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: March 12, 2024
    Assignee: TC1 LLC
    Inventors: Adam R. Tanner, Richard L Keenan, Doug M. Messner, Michael R. Butler
  • Patent number: 11925796
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: March 12, 2024
    Assignee: TC1 LLC
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Patent number: 11833342
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: December 5, 2023
    Assignee: TC1 LLC
    Inventors: Adam R. Tanner, Richard L Keenan, Doug M. Messner, Michael R. Butler
  • Publication number: 20230191108
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Application
    Filed: January 13, 2023
    Publication date: June 22, 2023
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Patent number: 11219756
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: January 11, 2022
    Assignee: TC1 LLC
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Publication number: 20210085847
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Application
    Filed: December 4, 2020
    Publication date: March 25, 2021
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Publication number: 20210077683
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Application
    Filed: November 30, 2020
    Publication date: March 18, 2021
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Publication number: 20210077684
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Application
    Filed: November 30, 2020
    Publication date: March 18, 2021
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Publication number: 20210077681
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Application
    Filed: November 30, 2020
    Publication date: March 18, 2021
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Publication number: 20210077680
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Application
    Filed: November 30, 2020
    Publication date: March 18, 2021
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Publication number: 20210077682
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Application
    Filed: November 30, 2020
    Publication date: March 18, 2021
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Publication number: 20200147283
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Application
    Filed: January 14, 2020
    Publication date: May 14, 2020
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Patent number: 10576193
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: March 3, 2020
    Assignee: TC1 LLC
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Publication number: 20170072120
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Application
    Filed: August 19, 2016
    Publication date: March 16, 2017
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Patent number: 9421311
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: August 23, 2016
    Assignee: THORATEC CORPORATION
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
  • Patent number: 9067007
    Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: June 30, 2015
    Assignee: THORATEC CORPORATION
    Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler