Patents Assigned to TC1 LLC
  • Patent number: 12011582
    Abstract: A catheter pump system is disclosed. The catheter pump system can include a shaft assembly and an impeller coupled with a distal portion of the shaft assembly. A motor assembly can impart rotation on the impeller through the shaft assembly, the motor assembly comprising a motor which rotates the shaft assembly. The catheter pump system can include a fluid pathway which conveys fluid proximally during operation of the catheter pump system. A seal can be disposed between the motor assembly and the impeller. The seal can be configured to impede or prevent the fluid from the fluid pathway from entering the motor assembly at least about an outer periphery of the shaft assembly. The seal can comprise an opening through which a portion of the shaft assembly extends.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: June 18, 2024
    Assignee: TC1 LLC
    Inventors: Paul F. Muller, Keif M. Fitzgerald, Michael R. Butler, Todd Jenkins
  • Publication number: 20240189572
    Abstract: The invention generally relates to improved medical blood pump devices, systems, and methods. For example, blood pumps may be provided that include a housing defining a blood flow path between an inlet and an outlet. A rotor may be positioned in the blood flow path. A motor stator may be driven to rotate the rotor to provide the blood flow through the pump. Axial and/or tilt stabilization components may be provided to increase an axial and/or tilt stabilization of the rotor within the blood flow path. In some embodiments, biasing forces are provided that urge the rotor toward a bearing component. The biasing force may be provided by adjusting drive signals of the motor stator. Additionally, or alternatively, one or more magnets (e.g., permanent/stator magnets) may be provided to bias the rotor in the upstream and/or downstream direction (e.g., toward a bearing (chamfer, step, conical), or the like).
    Type: Application
    Filed: December 20, 2023
    Publication date: June 13, 2024
    Applicant: TC1 LLC
    Inventors: Onur Dur, Kevin Bourque
  • Patent number: 11998730
    Abstract: Method and systems control a rotational speed of a blood pump during ventricular diastole. A method includes controlling a blood pump in accordance with a first segment operational mode. A controller monitors the blood flow rate through the blood pump. The controller determines, based on the blood flow rate, whether continued controlling of the blood pump per the first segment operational mode would result in the blood flow rate through the blood pump being less than a target minimum blood flow rate. In response to a determination that continued controlling of the blood pump per the first segment operational mode would result in the blood flow rate through the blood pump being less than the target minimum blood flow rate, the controller controls the rotational speed of the blood pump so that the blood flow rate through the blood pump is approximate to the target minimum blood flow rate.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: June 4, 2024
    Assignee: TC1 LLC
    Inventors: Charles Dague, Dan Harjes
  • Patent number: 11998729
    Abstract: A catheter pump is disclosed. The catheter pump can include an impeller and a catheter body having a lumen therethrough. The catheter pump can also include a drive shaft disposed inside the catheter body. A motor assembly can include a chamber. The motor assembly can include a rotor disposed in the at least a portion of the chamber, the rotor mechanically coupled with a proximal portion of the drive shaft such that rotation of the rotor causes the drive shaft to rotate. The motor assembly can also comprise a stator assembly disposed about the rotor. The motor assembly can also include a heat exchanger disposed about the stator assembly, the heat exchanger may be configured to direct heat radially outward away from the stator assembly, the rotor, and the chamber.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: June 4, 2024
    Assignee: TC1 LLC
    Inventors: Adam R. Tanner, Michael R. Butler, Todd Jenkins
  • Patent number: 12003123
    Abstract: Systems and related methods for supplying power to a medical device employ serially-connectable portable batteries. A method of supplying electrical power to a medical device includes discharging a first external battery to output electrical power to a second external battery. Distribution of the electrical power received by the second external battery is controlled to simultaneously charge the second external battery and output electrical power from the second external battery to supply electrical power to the medical device.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: June 4, 2024
    Assignee: TC1 LLC
    Inventors: Brian Kimball, Joseph C. Stark, III, Peter Thatcher, John Freddy Hansen, Peter Andriola, Carine Hoarau, Jaime Arturo Romero, Jesse Gage
  • Publication number: 20240139498
    Abstract: Systems and methods for assessment and management of adverse event risks in mechanical circulatory support patients are described herein. The method for post-operative risk mitigation in patients with an implanted Ventricular Assist Device (VAD) can include receiving a plurality of features relating to an attribute associated with the patient and ingesting at least some of the features into a multistate model. The multistate model can include a plurality of states, each corresponding to a patient condition. The method can include generating with the multistate model a daily prediction of a likelihood of the patient developing at least one of the conditions corresponding to the plurality of states in a predetermined time period, and controlling a user interface to output an indicator of the likelihood of the patient developing the at least one of the conditions in the predetermined time period.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 2, 2024
    Applicant: TC1 LLC
    Inventors: Rahul Agarwal, Rupinder Bharmi, Robert L. Kormos, Yajing Hu, Qianhul Lu, Palak Shah
  • Patent number: 11969158
    Abstract: A catheter system includes a catheter, an introducer sheath, and a tubular plug. The catheter comprises an elongate body having an expandable medical device coupled with a distal end thereof. The introducer sheath comprises an elongate body defining a lumen therein. The introducer sheath is disposed over the catheter to form a gap therebetween. The tubular plug comprises an elongate body and extends through the lumen of the introducer sheath. The tubular plug is disposed between the catheter and the introducer sheath to occlude the gap. Further, the tubular plug is releasably fixed relative to the introducer sheath such that the tubular plug is removable from the lumen to allow the expandable medical device to pass therethrough.
    Type: Grant
    Filed: May 30, 2023
    Date of Patent: April 30, 2024
    Assignee: TC1 LLC
    Inventors: Paul Muller, Keif Fitzgerald, Ted Su, Michael Butler
  • Patent number: 11964119
    Abstract: A catheter pump includes a catheter body having at least one lumen therethrough, and comprising a distal end and a proximal end. An expandable impeller assembly includes an expandable impeller and an expandable cannula coupled to the distal end of the catheter body and housing the expandable impeller, the expandable cannula comprising a substantially straight segment having a distal inlet and a proximal outlet, the substantially straight segment configured to straddle an aortic valve. The catheter body comprises a proximal vessel contact zone and a distal vessel contact zone that are each proximal to the substantially straight segment, the proximal vessel contact zone and distal vessel contact zone configured to provide a force against an aortic arch to stabilize the expandable impeller assembly across the aortic valve.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: April 23, 2024
    Assignee: TC1 LLC
    Inventors: Richard L. Keenan, Keif M. Fitzgerald, Veronica J. Neiman, Phyllis Yuen
  • Patent number: 11964144
    Abstract: A method of coupling components of a catheter pump assembly includes providing an elongate polymeric tubular body having a proximal end and a distal end, and also providing a metallic tubular body having a proximal portion and a distal portion. The method further includes positioning a mechanical interface having a first interface zone and a second interface zone such that the first interface zone is disposed over a portion of the elongate polymeric tubular body adjacent to the distal end thereof. The method also includes flowing the polymer into the first interface zone, whereby the elongate polymeric tubular body becomes joined with the first interface zone of the mechanical interface, and coupling the metallic tubular body with the second interface zone of the mechanical interface.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: April 23, 2024
    Assignee: TC1 LLC
    Inventors: Richard L. Keenan, Keif M. Fitzgerald, Veronica J. Neiman, Phyllis Yuen
  • Patent number: 11963671
    Abstract: A catheter system includes a catheter, a recovery sheath, and an outer sheath assembly. The catheter includes an elongate body having an expandable medical device coupled with a distal end thereof. The recovery sheath is disposed around a proximal section of the catheter body, and is sized and shaped to receive the expandable medical device therein. The recovery sheath is axially movable relative to the catheter body. The outer sheath assembly includes an outer sheath disposed over the catheter body. The outer sheath includes an elongate body that extends from a proximal end to a distal end, where the proximal end of the outer sheath body is positioned distally of the recovery sheath. The outer sheath includes a retention section sized and shaped to receive the expandable medical device therein and constrain the expandable medical device in a stored configuration. The outer sheath is removable from the catheter body.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: April 23, 2024
    Assignee: TC1 LLC
    Inventors: Keif M. Fitzgerald, Mojan Kassayan, Ted Su
  • Publication number: 20240123131
    Abstract: An oxygenator and method for oxygenating blood. The oxygenator includes a housing, an oxygenation chamber, and elongated gas permeable conduits that extend across the oxygenation chamber. The blood flow enters and contacts with exterior surfaces of the conduits and exits the oxygenator to transfer of oxygen from within the conduits to the blood flow and transfer carbon dioxide from the blood flow into the elongated gas permeable conduits. The housing includes a gas inlet and is configured to distribute a gas flow received through the gas inlet to the elongated gas permeable conduits so as to a first portion of the gas flow flows through a first set of the elongated gas permeable conduits in a first direction and a second portion of the gas flow flows through a second set of the elongated gas permeable conduits in a second direction that is opposite to the first direction.
    Type: Application
    Filed: October 18, 2023
    Publication date: April 18, 2024
    Applicant: TC1 LLC
    Inventors: J. Freddy Hansen, Daniel I. Harjes
  • Publication number: 20240120753
    Abstract: Systems and related methods for supplying power to an implantable blood pump are provided. A system includes a base module and a plurality of energy storage devices. A first energy storage device is operatively coupled to the base module. A second energy storage device is operatively coupled to the first modular energy storage device. The energy storage devices are mechanically coupled in series, electrically coupled in parallel, and configured to provide redundant sources of power to drive an implantable blood pump.
    Type: Application
    Filed: October 19, 2023
    Publication date: April 11, 2024
    Applicant: TC1 LLC
    Inventors: Kevin Conyers, Jesse Gage, Carine Hoarau, Jaime Arturo Romero, Joseph C. Stark, III
  • Patent number: 11944834
    Abstract: An external controller assembly for a medical device implanted in a patient includes an external controller and an external driveline assembly. The external controller includes an external controller display viewable by the patient. The external driveline assembly includes an external driveline cable and an external driveline distal connector. The external driveline cable is connected to the external driveline distal connector and the external controller. The external driveline cable accommodates positioning of the external driveline distal connector, by the patient, for simultaneous viewing of the external driveline distal connector and the external controller display by the patient. The external driveline distal connector is adapted to be connected to the distal driveline proximal connector by the patient. The external driveline distal connector is adapted to be disconnected from the distal driveline proximal connector by the patient.
    Type: Grant
    Filed: June 10, 2022
    Date of Patent: April 2, 2024
    Assignee: TC1 LLC
    Inventors: John Nguyen, Fabian Franco, Mark Di Paola, Carine Hoarau, Nathan Harold, Michael Morado
  • 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: 11944799
    Abstract: Mechanical circulatory assist systems and related methods produce a pulsatile blood flow in synchronization with heart activity. A mechanical circulatory assist system includes a continuous-flow pump and a controller. The continuous-flow pump is implantable in fluid communication with a left ventricle of a heart of a patient and an aorta of the patient to assist blood flow from the left ventricle to the aorta. The controller includes a sensor that generates a signal indicative of an activity of the heart. The controller is operatively connected to the continuous-flow pump and configured to operate the continuous-flow pump in an artificial pulse mode in synchronization with the activity of the heart.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: April 2, 2024
    Assignee: TC1 LLC
    Inventor: Kevin Bourque
  • Patent number: 11925795
    Abstract: A catheter pump system is disclosed. The catheter pump system can include a shaft assembly and an impeller coupled with a distal portion of the shaft assembly. A motor assembly can impart rotation on the impeller through the shaft assembly, the motor assembly comprising a motor which rotates the shaft assembly. The catheter pump system can include a fluid pathway which conveys fluid proximally during operation of the catheter pump system. A seal can be disposed between the motor assembly and the impeller. The seal can be configured to impede or prevent the fluid from the fluid pathway from entering the motor assembly at least about an outer periphery of the shaft assembly. The seal can comprise an opening through which a portion of the shaft assembly extends.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: March 12, 2024
    Assignee: TC1 LLC
    Inventors: Paul F. Muller, Keif M. Fitzgerald, Michael R. Butler, Todd Jenkins
  • 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: 11918800
    Abstract: A catheter pump system is disclosed. The catheter pump system can include a shaft assembly and an impeller coupled with a distal portion of the shaft assembly. The catheter pump system can include a motor assembly, the motor assembly comprising a chamber and a shaft-driving portion disposed in the chamber. The shaft-driving portion can be configured to impart rotation to the impeller through the shaft assembly. The chamber can be filled with a gas that at least partially surrounds the shaft-driving portion. A fluid pathway can convey fluid proximally during operation of the catheter pump system. A bypass pathway can be in fluid communication with the fluid pathway, the bypass pathway configured to direct at least a portion of the fluid to bypass the chamber.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: March 5, 2024
    Assignee: TC1 LLC
    Inventors: Paul F. Muller, Keif M. Fitzgerald, Michael R. Butler, Todd Jenkins