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).
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Patent number: 12102813Abstract: 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: GrantFiled: December 4, 2020Date of Patent: October 1, 2024Assignee: TC1 LLCInventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Publication number: 20240252809Abstract: 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: ApplicationFiled: February 2, 2024Publication date: August 1, 2024Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Patent number: 11944801Abstract: 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: GrantFiled: November 30, 2020Date of Patent: April 2, 2024Assignee: TC1 LLCInventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Patent number: 11944802Abstract: 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: GrantFiled: November 30, 2020Date of Patent: April 2, 2024Assignee: TC1 LLCInventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Patent number: 11925797Abstract: 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: GrantFiled: November 30, 2020Date of Patent: March 12, 2024Assignee: TC1 LLCInventors: Adam R. Tanner, Richard L Keenan, Doug M. Messner, Michael R. Butler
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Patent number: 11925796Abstract: 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: GrantFiled: November 30, 2020Date of Patent: March 12, 2024Assignee: TC1 LLCInventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Patent number: 11833342Abstract: 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: GrantFiled: November 30, 2020Date of Patent: December 5, 2023Assignee: TC1 LLCInventors: Adam R. Tanner, Richard L Keenan, Doug M. Messner, Michael R. Butler
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Publication number: 20230191108Abstract: 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: ApplicationFiled: January 13, 2023Publication date: June 22, 2023Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Patent number: 11219756Abstract: 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: GrantFiled: January 14, 2020Date of Patent: January 11, 2022Assignee: TC1 LLCInventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Publication number: 20210085847Abstract: 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: ApplicationFiled: December 4, 2020Publication date: March 25, 2021Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Publication number: 20210077683Abstract: 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: ApplicationFiled: November 30, 2020Publication date: March 18, 2021Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Publication number: 20210077684Abstract: 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: ApplicationFiled: November 30, 2020Publication date: March 18, 2021Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Publication number: 20210077681Abstract: 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: ApplicationFiled: November 30, 2020Publication date: March 18, 2021Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Publication number: 20210077680Abstract: 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: ApplicationFiled: November 30, 2020Publication date: March 18, 2021Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Publication number: 20210077682Abstract: 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: ApplicationFiled: November 30, 2020Publication date: March 18, 2021Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Publication number: 20200147283Abstract: 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: ApplicationFiled: January 14, 2020Publication date: May 14, 2020Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Patent number: 10576193Abstract: 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: GrantFiled: August 19, 2016Date of Patent: March 3, 2020Assignee: TC1 LLCInventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Publication number: 20170072120Abstract: 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: ApplicationFiled: August 19, 2016Publication date: March 16, 2017Inventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Patent number: 9421311Abstract: 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: GrantFiled: March 13, 2013Date of Patent: August 23, 2016Assignee: THORATEC CORPORATIONInventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Patent number: 9067007Abstract: 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: GrantFiled: March 13, 2013Date of Patent: June 30, 2015Assignee: THORATEC CORPORATIONInventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler