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公开(公告)号:US20230347133A1
公开(公告)日:2023-11-02
申请号:US18025761
申请日:2021-09-15
申请人: Abiomed Europe GmbH
IPC分类号: A61M60/242 , A61M60/139 , A61M60/489 , H01F3/02 , H01F1/16 , A61M60/478
CPC分类号: A61M60/242 , A61M60/139 , A61M60/489 , H01F3/02 , H01F1/16 , A61M60/478
摘要: A blood pump having a pump casing with a blood flow inlet and a blood flow outlet, an impeller arranged in said pump casing so as to be rotatable about an axis of rotation. The impeller has blades sized and shaped for conveying blood from the blood flow inlet to the blood flow outlet. There is a drive unit for rotating the impeller, the drive unit having a magnetic core including a plurality of posts arranged about the axis of rotation and a back plate connecting the posts and extending between the posts in an intermediate area. A coil winding is disposed around each of the posts. The coil windings are controllable so as to create a rotating magnetic field. The impeller has a magnetic structure arranged to interact with the rotating magnetic field so as to cause rotation of the impeller.
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公开(公告)号:US11883641B2
公开(公告)日:2024-01-30
申请号:US17983265
申请日:2022-11-08
申请人: TC1 LLC
发明人: Onur Dur , Kevin Bourque
IPC分类号: A61M60/419 , A61M60/82 , A61M60/148 , A61M60/422 , A61M60/824 , A61M60/812 , A61M60/242 , A61M60/178
CPC分类号: A61M60/419 , A61M60/148 , A61M60/178 , A61M60/242 , A61M60/422 , A61M60/812 , A61M60/82 , A61M60/824 , A61M2205/8206 , A61M2209/088
摘要: 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).
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公开(公告)号:US20230414921A1
公开(公告)日:2023-12-28
申请号:US18213324
申请日:2023-06-23
申请人: ABIOMED, Inc.
发明人: Gerd Spanier
IPC分类号: A61M60/139 , A61M60/13 , A61M60/174 , A61M60/242 , A61M60/414 , A61M60/416 , A61M60/808 , A61M25/00
CPC分类号: A61M60/139 , A61M60/13 , A61M60/174 , A61M60/242 , A61M60/414 , A61M60/416 , A61M60/808 , A61M25/0054 , A61M25/007 , A61M2205/04 , A61M2205/75 , A61M2210/125 , A61M2210/127
摘要: A blood pump may be provided that may include a pump housing and a catheter operably coupled to the pump housing. The pump may include a flexible outflow cannula having a proximal portion operably coupled to the catheter, blood flow outlets, and a distal portion operably coupled to the pump housing. The proximal portion of the flexible outflow cannula may have a coupled portion coupled to the catheter and an uncoupled portion extending distally from the coupled portion, where at least one slit may be formed through the entire coupled portion. The slit may extend distally from the coupled portion through at least a portion of the uncoupled portion and connect to a proximal end of at least one of the blood flow outlets (“cut outlets”), the cut outlets having a tapered proximal end and extending distally from the uncoupled portion.
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公开(公告)号:US20240299732A1
公开(公告)日:2024-09-12
申请号:US18281986
申请日:2022-11-15
发明人: Duanqing Xie , Shunzhou Yu
IPC分类号: A61M60/531 , A61M25/00 , A61M60/13 , A61M60/242 , A61M60/422
CPC分类号: A61M60/531 , A61M60/13 , A61M60/242 , A61M60/422 , A61M2025/0002 , A61M2205/3306 , A61M2205/3344
摘要: A driving device and a blood pump. The driving device comprises a driving housing, a shaft sleeve assembly, a rotating shaft, a driving component and a sensing assembly. An accommodating cavity and a detection port in communication with the accommodating cavity are provided on the shaft sleeve assembly, and the detection port is located on an outer wall of the shaft sleeve assembly; the rotating shaft is rotatably arranged on the shaft sleeve assembly; the driving component can drive the rotating shaft to rotate; and the sensing assembly comprises a sensor, the sensor comprising a probe, the probe being accommodated in the accommodating cavity, a position of the probe corresponding to a position of the detection port, and the probe being capable of detecting pressure of a fluid outside the driving device.
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公开(公告)号:US20240277999A1
公开(公告)日:2024-08-22
申请号:US18639094
申请日:2024-04-18
申请人: MAGENTA MEDICAL LTD
发明人: Yosi TUVAL , Gad LUBINSKY , Yuri SUDIN , Avi ROZENFELD , Shaul MUSTACCHI , Ran TAMIR
IPC分类号: A61M60/825 , A61M60/13 , A61M60/174 , A61M60/242 , A61M60/414 , A61M60/808 , A61M60/81 , A61M60/865
CPC分类号: A61M60/825 , A61M60/13 , A61M60/174 , A61M60/242 , A61M60/414 , A61M60/808 , A61M60/81 , A61M60/865
摘要: Apparatus and methods are described including a blood pump that includes an axial shaft configured for insertion, over a guidewire, into a subject's body, and for rotation within the subject's body. The axial shaft is shaped to define a shaft lumen for passage of the guidewire therethrough. An impeller is coupled to the axial shaft such that, as the axial shaft rotates, the impeller pumps blood of the subject. A thrust bearing is disposed distally from the axial shaft so as to inhibit distal movement of the axial shaft beyond the thrust bearing. The thrust bearing is shaped to define a bearing lumen that is configured to be continuous with the shaft lumen. At least a portion of the bearing lumen is frustoconically-shaped, a wider end of the frustoconically-shaped portion of the bearing lumen facing distally. Other applications are also described.
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公开(公告)号:US20240261565A1
公开(公告)日:2024-08-08
申请号:US18637667
申请日:2024-04-17
申请人: MAGENTA MEDICAL LTD
发明人: Yuri TUVAL , Gad LUBINSKY , Yuri SUDIN , Avi ROZENFELD , Shaul MUSTACCHI , Ran TAMIR
IPC分类号: A61M60/859 , A61L29/02 , A61M60/13 , A61M60/174 , A61M60/242 , A61M60/414 , A61M60/806 , A61M60/81 , A61M60/825
CPC分类号: A61M60/859 , A61L29/02 , A61M60/13 , A61M60/174 , A61M60/242 , A61M60/414 , A61M60/806 , A61M60/81 , A61M60/825
摘要: Apparatus and methods are described including an axial shaft configured for insertion into, and rotation within, a subject's body. A delivery tube extends to the axial shaft, from outside the subject's body, while the axial shaft is within the subject's body. An impeller is coupled to the axial shaft such that, as the axial shaft rotates, the impeller pumps blood of the subject. Proximal and distal radial bearings surround the axial shaft, proximally and distally to the impeller respectively, the proximal and distal radial bearings being configured to radially stabilize the axial shaft while the axial shaft rotates. A proximal bearing housing houses the proximal radial bearing and is coupled to the delivery tube. A drive cable rotates the axial shaft while extending through the delivery tube, and is coupled to the axial shaft within the proximal bearing housing. Other applications are also described.
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公开(公告)号:US20240189572A1
公开(公告)日:2024-06-13
申请号:US18390643
申请日:2023-12-20
申请人: TC1 LLC
发明人: Onur Dur , Kevin Bourque
IPC分类号: A61M60/419 , A61M60/148 , A61M60/178 , A61M60/242 , A61M60/422 , A61M60/812 , A61M60/82 , A61M60/824
CPC分类号: A61M60/419 , A61M60/148 , A61M60/178 , A61M60/242 , A61M60/422 , A61M60/812 , A61M60/82 , A61M60/824 , A61M2205/8206 , A61M2209/088
摘要: 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).
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公开(公告)号:US20240299731A1
公开(公告)日:2024-09-12
申请号:US18597553
申请日:2024-03-06
申请人: Berlin Heart GmbH
IPC分类号: A61M60/242 , A61M60/546 , A61M60/806
CPC分类号: A61M60/242 , A61M60/546 , A61M60/806
摘要: A blood pump with a rotor can be driven to rotate about an axis of rotation for conveying blood. A control is being configured to operate the rotor successively in time, or alternately several times, in a first conveying mode and at least in one second conveying mode. In order to avoid dead water areas in the region of the rotor and possible thrombus formation the direction of rotation of the rotor is reversed in the second conveying mode compared to operation in the first conveying mode.
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公开(公告)号:US20240293661A1
公开(公告)日:2024-09-05
申请号:US18602678
申请日:2024-03-12
申请人: Abiomed Europe GmbH
IPC分类号: A61M60/829 , A61M60/13 , A61M60/135 , A61M60/148 , A61M60/174 , A61M60/205 , A61M60/216 , A61M60/242 , A61M60/416 , A61M60/422 , A61M60/81 , A61M60/818 , A61M60/825 , A61M60/857
CPC分类号: A61M60/829 , A61M60/13 , A61M60/135 , A61M60/148 , A61M60/174 , A61M60/205 , A61M60/216 , A61M60/242 , A61M60/416 , A61M60/422 , A61M60/81 , A61M60/818 , A61M60/825 , A61M60/857 , A61M2205/0211 , A61M2205/0222 , A61M2205/0233 , A61M2205/103 , A61M2205/3606
摘要: An intravascular blood pump having a rotatable shaft carrying an impeller and a housing with an opening through which the shaft extends with the impeller positioned outside the housing. The shaft and the housing have surfaces forming a circumferential gap which has a gap width of no more than 2 μm over at least part of the length of the gap and at least one of the surfaces forming the gap is made of a material having a thermal conductivity of at least 100 W/mK, in particular a ceramic material such as silicon carbide.
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公开(公告)号:US20240261563A1
公开(公告)日:2024-08-08
申请号:US18637655
申请日:2024-04-17
申请人: MAGENTA MEDICAL LTD
发明人: Yosi TUVAL , Gad LUBINSKY , Yuri SUDIN , Avi ROZENFELD , Shaul MUSTACCHI , Ran TAMIR
IPC分类号: A61M60/414 , A61L29/02 , A61M39/10 , A61M60/13 , A61M60/174 , A61M60/242 , A61M60/806 , A61M60/81 , A61M60/825
CPC分类号: A61M60/414 , A61L29/02 , A61M39/10 , A61M60/13 , A61M60/174 , A61M60/242 , A61M60/806 , A61M60/81 , A61M60/825 , A61M2039/1077
摘要: Apparatus and methods are described including inserting a drive-cable end of a drive cable, which includes a plurality of coiled wires, and a hollow-shaft end of a hollow shaft, which hollow-shaft end is shaped to define multiple shaft pores, into opposing ends of a coupling tube having a wall shaped to define multiple tabs. The drive cable is coupled to the shaft by pushing at least some of the tabs into the shaft pores, respectively. Other applications are also described.
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