Patents by Inventor Shunzhou Yu
Shunzhou Yu 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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Publication number: 20240131322Abstract: A ventricular connecting assembly and a ventricular assist system. The ventricular connecting assembly comprises a clamping assembly and a locking assembly; the clamping assembly comprises an opening ring, a first connecting arm and a second connecting arm, and the opening ring has a first end and a second end; the first connecting arm) and the second connecting arm are respectively connected to the first end and the second end. The locking assembly comprises a connecting member and a locking member, the connecting member is connected to the second connecting arm, and the locking member is connected to the connecting member; the locking member is rotatably abutted against the first connecting arm, the locking member can adjust the inner diameter of the opening ring during rotation, and the locking member is snap-fitted with the second connecting arm to maintain the opening ring in a clamping state.Type: ApplicationFiled: July 25, 2022Publication date: April 25, 2024Inventors: Duanqing XIE, Shunzhou YU
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Publication number: 20240052840Abstract: A blood pump system includes a pump housing and an impeller for rotating in a pump chamber within the housing. The impeller has a first side and a second side opposite the first side. The system includes a stator having drive coils for applying a torque to the impeller and at least one bearing mechanism for suspending the impeller within the pump chamber. The system includes a position control mechanism for moving the impeller in an axial direction within the pump chamber to adjust a size of a first gap and a size of a second gap, thereby controlling a washout rate at each of the first gap and the second gap. The first gap is defined by a distance between the first side and the housing and the second gap is defined by a distance between the second side and the pump housing.Type: ApplicationFiled: September 1, 2023Publication date: February 15, 2024Applicant: TC1 LLCInventors: Masamichi Yanai, Shunzhou Yu, Tao Zhang
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Publication number: 20240001104Abstract: A rotary machine is provided which may include a rotor and a stator within a housing. The stator may be for generating a rotating magnetic field for applying a torque to the rotor. A commutator circuit may provide a plurality of phase voltages to the stator, and a controller may adjust the plurality of phase voltages provided by the commutator circuit to modify an attractive force of the stator on the rotor to move the rotor in an axial direction.Type: ApplicationFiled: June 30, 2023Publication date: January 4, 2024Applicant: TC1 LLCInventors: Shunzhou Yu, Alexander Medvedev, Ren You
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Publication number: 20230414120Abstract: A method for synchronizing operation of a heart assist pump device to a patient's cardiac cycle includes obtaining a signal from a motor of a heart assist pump device and filtering the signal to remove noise. The method also includes determining a speed synchronization start point at which time the motor of the heart assist pump device will begin a change in speed of operation based on the filtered signal. The method further includes modulating a speed of the motor of the heart assist pump device to a target speed at the speed synchronization start point, thereby synchronizing the change in speed of operation with a patient's cardiac cycle.Type: ApplicationFiled: June 22, 2023Publication date: December 28, 2023Applicant: TC1 LLCInventors: Alexander Medvedev, Shunzhou Yu, Ren You
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Patent number: 11801378Abstract: An interventional ventricular assist device (100), including: an interventional tube (10). a motor assembly (30), a perfusion cylinder (40), and an impeller assembly (20). The interventional tube (10) has a liquid inlet (11) and a liquid outlet (12). The impeller assembly (20) includes an impeller (21), accommodated within the interventional tube (10) and rotatable to enable a liquid to flow into the interventional tube (10) via the liquid inlet (11) and out therefrom via the liquid outlet (12). The motor assembly (30) is configured to generate a rotating magnetic field to drive the impeller (21) to rotate and generate an attraction to the impeller (21). A perfusate injected from the perfusion cylinder (40) is adapted to provide a thrust to the impeller assembly (20), whereby the impeller (21) is suspendedly rotatable in the interventional tube (10) under a combined action of the thrust and the attraction.Type: GrantFiled: December 30, 2020Date of Patent: October 31, 2023Assignee: SHENZHEN CORE MEDICAL TECHNOLOGY CO., LTD.Inventor: Shunzhou Yu
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Patent number: 11781551Abstract: A blood pump system includes a pump housing and an impeller for rotating in a pump chamber within the housing. The impeller has a first side and a second side opposite the first side. The system includes a stator having drive coils for applying a torque to the impeller and at least one bearing mechanism for suspending the impeller within the pump chamber. The system includes a position control mechanism for moving the impeller in an axial direction within the pump chamber to adjust a size of a first gap and a size of a second gap, thereby controlling a washout rate at each of the first gap and the second gap. The first gap is defined by a distance between the first side and the housing and the second gap is defined by a distance between the second side and the pump housing.Type: GrantFiled: April 26, 2021Date of Patent: October 10, 2023Assignee: TC1 LLCInventors: Masamichi Yanai, Shunzhou Yu, Tao Zhang
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Publication number: 20230310834Abstract: The present application discloses a blood pump, the blood pump includes a cannula having a blood flow inlet and a blood flow outlet; an impeller is arranged in the cannula; a drive unit includes a casing connected to the cannula, and a rotor and a stator arranged in the casing, the rotor includes a rotating shaft and a magnet provided on the rotating shaft, the stator includes posts arranged around the axis of the rotating shaft and a coil winding around the peripheries of the posts, the coil winding can generate rotating magnetic field interacts with the magnet to rotate the rotating shaft, and the magnet and the posts are arranged at intervals along the extending direction of the rotating shaft.Type: ApplicationFiled: November 17, 2021Publication date: October 5, 2023Applicant: SHENZHEN CORE MEDICAL TECHNOLOGY CO., LTD.Inventor: Shunzhou YU
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Patent number: 11724097Abstract: A rotary machine is provided which may include a rotor and a stator within a housing. The stator may be for generating a rotating magnetic field for applying a torque to the rotor. A commutator circuit may provide a plurality of phase voltages to the stator, and a controller may adjust the plurality of phase voltages provided by the commutator circuit to modify an attractive force of the stator on the rotor to move the rotor in an axial direction.Type: GrantFiled: December 28, 2020Date of Patent: August 15, 2023Assignee: TC1 LLCInventors: Shunzhou Yu, Alexander Medvedev, Ren You
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Patent number: 11712167Abstract: A method for synchronizing operation of a heart assist pump device to a patient's cardiac cycle includes obtaining a signal from a motor of a heart assist pump device and filtering the signal to remove noise. The method also includes determining a speed synchronization start point at which time the motor of the heart assist pump device will begin a change in speed of operation based on the filtered signal. The method further includes modulating a speed of the motor of the heart assist pump device to a target speed at the speed synchronization start point, thereby synchronizing the change in speed of operation with a patient's cardiac cycle.Type: GrantFiled: October 28, 2020Date of Patent: August 1, 2023Assignee: TC1 LLCInventors: Alexander Medvedev, Shunzhou Yu, Ren You
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Publication number: 20230144798Abstract: An interventional ventricular assist device (100), including: an interventional tube (10). a motor assembly (30), a perfusion cylinder (40), and an impeller assembly (20). The interventional tube (10) has a liquid inlet (11) and a liquid outlet (12). The impeller assembly (20) includes an impeller (21), accommodated within the interventional tube (10) and rotatable to enable a liquid to flow into the interventional tube (10) via the liquid inlet (11) and out therefrom via the liquid outlet (12). The motor assembly (30) is configured to generate a rotating magnetic field to drive the impeller (21) to rotate and generate an attraction to the impeller (21). A perfusate injected from the perfusion cylinder (40) is adapted to provide a thrust to the impeller assembly (20), whereby the impeller (21) is suspendedly rotatable in the interventional tube (10) under a combined action of the thrust and the attraction.Type: ApplicationFiled: December 30, 2020Publication date: May 11, 2023Inventor: Shunzhou YU
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Publication number: 20210246902Abstract: A blood pump system includes a pump housing and an impeller for rotating in a pump chamber within the housing. The impeller has a first side and a second side opposite the first side. The system includes a stator having drive coils for applying a torque to the impeller and at least one bearing mechanism for suspending the impeller within the pump chamber. The system includes a position control mechanism for moving the impeller in an axial direction within the pump chamber to adjust a size of a first gap and a size of a second gap, thereby controlling a washout rate at each of the first gap and the second gap. The first gap is defined by a distance between the first side and the housing and the second gap is defined by a distance between the second side and the pump housing.Type: ApplicationFiled: April 26, 2021Publication date: August 12, 2021Applicant: TC1 LLCInventors: Masamichi Yanai, Shunzhou Yu, Tao Zhang
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Publication number: 20210187275Abstract: A rotary machine is provided which may include a rotor and a stator within a housing. The stator may be for generating a rotating magnetic field for applying a torque to the rotor. A commutator circuit may provide a plurality of phase voltages to the stator, and a controller may adjust the plurality of phase voltages provided by the commutator circuit to modify an attractive force of the stator on the rotor to move the rotor in an axial direction.Type: ApplicationFiled: December 28, 2020Publication date: June 24, 2021Applicant: TC1 LLCInventors: Shunzhou Yu, Alexander Medvedev, Ren You
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Patent number: 11015605Abstract: A blood pump system includes a pump housing and an impeller for rotating in a pump chamber within the housing. The impeller has a first side and a second side opposite the first side. The system includes a stator having drive coils for applying a torque to the impeller and at least one bearing mechanism for suspending the impeller within the pump chamber. The system includes a position control mechanism for moving the impeller in an axial direction within the pump chamber to adjust a size of a first gap and a size of a second gap, thereby controlling a washout rate at each of the first gap and the second gap. The first gap is defined by a distance between the first side and the housing and the second gap is defined by a distance between the second side and the pump housing.Type: GrantFiled: June 17, 2019Date of Patent: May 25, 2021Assignee: TC1 LLCInventors: Masamichi Yanai, Shunzhou Yu, Tao Zhang
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Publication number: 20210038086Abstract: A method for synchronizing operation of a heart assist pump device to a patient's cardiac cycle includes obtaining a signal from a motor of a heart assist pump device and filtering the signal to remove noise. The method also includes determining a speed synchronization start point at which time the motor of the heart assist pump device will begin a change in speed of operation based on the filtered signal. The method further includes modulating a speed of the motor of the heart assist pump device to a target speed at the speed synchronization start point, thereby synchronizing the change in speed of operation with a patient's cardiac cycle.Type: ApplicationFiled: October 28, 2020Publication date: February 11, 2021Applicant: TC1 LLCInventors: Alexander Medvedev, Shunzhou Yu, Ren You
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Publication number: 20200405928Abstract: A ventricular assist device includes a housing assembly with a pressurized inner chamber, an impeller, an electric motor and a distance sensor. The electric motor includes a controller, a stator and a rotor. The stator and the controller are located in the housing assembly, outside of the pressurized inner chamber and are electrically coupled. The impeller and the rotor are located in the pressurized inner chamber and fixedly coupled. The distance sensor is located in the housing assembly, outside of the pressurized inner chamber and electrically coupled to the controller. The distance sensor senses a distance value of the rotor to a cavity wall of the pressurized inner chamber, and further transmits the distance value to the controller. The controller controls a magnetic force between the stator and the rotor according to the distance value, so as to control a suspension and rotation of the rotor.Type: ApplicationFiled: November 6, 2019Publication date: December 31, 2020Inventors: Shunzhou YU, Jun HUANG, Cihua LUO, Linglin KONG
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Patent number: 10874782Abstract: A rotary machine is provided which may include a rotor and a stator within a housing. The stator may be for generating a rotating magnetic field for applying a torque to the rotor. A commutator circuit may provide a plurality of phase voltages to the stator, and a controller may adjust the plurality of phase voltages provided by the commutator circuit to modify an attractive force of the stator on the rotor to move the rotor in an axial direction.Type: GrantFiled: December 13, 2018Date of Patent: December 29, 2020Inventors: Shunzhou Yu, Alexander Medvedev, Ren You
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Patent number: 10856748Abstract: A method for synchronizing operation of a heart assist pump device to a patient's cardiac cycle includes obtaining a signal from a motor of a heart assist pump device and filtering the signal to remove noise. The method also includes determining a speed synchronization start point at which time the motor of the heart assist pump device will begin a change in speed of operation based on the filtered signal. The method further includes modulating a speed of the motor of the heart assist pump device to a target speed at the speed synchronization start point, thereby synchronizing the change in speed of operation with a patient's cardiac cycle.Type: GrantFiled: December 13, 2019Date of Patent: December 8, 2020Assignee: TC1 LLCInventors: Alexander Medvedev, Shunzhou Yu, Ren You
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Publication number: 20200187787Abstract: A method for synchronizing operation of a heart assist pump device to a patient's cardiac cycle includes obtaining a signal from a motor of a heart assist pump device and filtering the signal to remove noise. The method also includes determining a speed synchronization start point at which time the motor of the heart assist pump device will begin a change in speed of operation based on the filtered signal. The method further includes modulating a speed of the motor of the heart assist pump device to a target speed at the speed synchronization start point, thereby synchronizing the change in speed of operation with a patient's cardiac cycle.Type: ApplicationFiled: December 13, 2019Publication date: June 18, 2020Applicant: TC1 LLCInventors: Alexander Medvedev, Shunzhou Yu, Ren You
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Patent number: 10506935Abstract: A method for synchronizing operation of a heart assist pump device to a patient's cardiac cycle includes obtaining a signal from a motor of a heart assist pump device and filtering the signal to remove noise. The method also includes determining a speed synchronization start point at which time the motor of the heart assist pump device will begin a change in speed of operation based on the filtered signal. The method further includes modulating a speed of the motor of the heart assist pump device to a target speed at the speed synchronization start point, thereby synchronizing the change in speed of operation with a patient's cardiac cycle.Type: GrantFiled: July 31, 2018Date of Patent: December 17, 2019Assignee: TC1 LLCInventors: Alexander Medvedev, Shunzhou Yu, Ren You
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Publication number: 20190301467Abstract: A blood pump system includes a pump housing and an impeller for rotating in a pump chamber within the housing. The impeller has a first side and a second side opposite the first side. The system includes a stator having drive coils for applying a torque to the impeller and at least one bearing mechanism for suspending the impeller within the pump chamber. The system includes a position control mechanism for moving the impeller in an axial direction within the pump chamber to adjust a size of a first gap and a size of a second gap, thereby controlling a washout rate at each of the first gap and the second gap. The first gap is defined by a distance between the first side and the housing and the second gap is defined by a distance between the second side and the pump housing.Type: ApplicationFiled: June 17, 2019Publication date: October 3, 2019Applicant: TC1 LLCInventors: Masamichi Yanai, Shunzhou Yu, Tao Zhang