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公开(公告)号：US10251986B2
公开(公告)日：2019-04-09
申请号：US16053023
申请日：2018-08-02
Applicant: HeartWare, Inc.
Inventor： Jeffrey A. Larose , Charles R. Shambaugh , Daniel G. White , Richard A. Marquis , Steven A. White , Kartikeyan Trichi
Abstract: One aspect of an intravascular ventricular assist device is an implantable blood pump where the pump includes a housing defining a bore having an axis, one or more rotors disposed within the bore, each rotor including a plurality of magnetic poles, and one or more stators surrounding the bore for providing a magnetic field within the bore to induce rotation of each of the one or more rotors. Another aspect of the invention includes methods of providing cardiac assistance to a mammalian subject as, for example, a human. Further aspects of the invention include rotor bodies having helical channels formed longitudinally along the length of the body of the rotor where each helical channel is formed between peripheral support surface areas facing radially outwardly and extending generally in circumferential directions around the rotational axis of the rotor.
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公开(公告)号：US09895476B2
公开(公告)日：2018-02-20
申请号：US15414068
申请日：2017-01-24
Applicant: HeartWare, Inc.
Inventor： Jeffrey A. LaRose , Charles R. Shambaugh , Daniel G. White , Richard A. Marquis , Steven A. White , Kartikeyan Trichi
CPC classification number: A61M1/125 , A61M1/1008 , A61M1/101 , A61M1/1017 , A61M1/1031 , A61M1/1036 , A61M1/122 , A61M2205/0211 , A61M2205/0272 , A61M2205/8206 , A61M2210/127
Abstract: One aspect of an intravascular ventricular assist device is an implantable blood pump where the pump includes a housing defining a bore having an axis, one or more rotors disposed within the bore, each rotor including a plurality of magnetic poles, and one or more stators surrounding the bore for providing a magnetic field within the bore to induce rotation of each of the one or more rotors. Another aspect of the invention includes methods of providing cardiac assistance to a mammalian subject as, for example, a human. Further aspects of the invention include rotor bodies having helical channels formed longitudinally along the length of the body of the rotor where each helical channel is formed between peripheral support surface areas facing radially outwardly and extending generally in circumferential directions around the rotational axis of the rotor.
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公开(公告)号：US10052421B2
公开(公告)日：2018-08-21
申请号：US15866957
申请日：2018-01-10
Applicant: HeartWare, Inc.
Inventor： Jeffrey A. Larose , Charles R. Shambaugh , Daniel G. White , Richard A. Marquis , Steven A. White , Kartikeyan Trichi
CPC classification number: A61M1/125 , A61M1/1008 , A61M1/101 , A61M1/1017 , A61M1/1031 , A61M1/1036 , A61M1/122 , A61M2205/0211 , A61M2205/0272 , A61M2205/8206 , A61M2210/127
Abstract: One aspect of an intravascular ventricular assist device is an implantable blood pump where the pump includes a housing defining a bore having an axis, one or more rotors disposed within the bore, each rotor including a plurality of magnetic poles, and one or more stators surrounding the bore for providing a magnetic field within the bore to induce rotation of each of the one or more rotors. Another aspect of the invention includes methods of providing cardiac assistance to a mammalian subject as, for example, a human. Further aspects of the invention include rotor bodies having helical channels formed longitudinally along the length of the body of the rotor where each helical channel is formed between peripheral support surface areas facing radially outwardly and extending generally in circumferential directions around the rotational axis of the rotor.
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公开(公告)号：US09579433B2
公开(公告)日：2017-02-28
申请号：US14171615
申请日：2014-02-03
Applicant: HeartWare, Inc.
Inventor： Jeffrey A. LaRose , Charles R. Shambaugh, Jr. , Daniel G. White , Richard A. Marquis , Steven A. White , Kartikeyan Trichi
CPC classification number: A61M1/125 , A61M1/1008 , A61M1/101 , A61M1/1017 , A61M1/1031 , A61M1/1036 , A61M1/122 , A61M2205/0211 , A61M2205/0272 , A61M2205/8206 , A61M2210/127
Abstract: One aspect of an intravascular ventricular assist device is an implantable blood pump where the pump includes a housing defining a bore having an axis, one or more rotors disposed within the bore, each rotor including a plurality of magnetic poles, and one or more stators surrounding the bore for providing a magnetic field within the bore to induce rotation of each of the one or more rotors. Another aspect of the invention includes methods of providing cardiac assistance to a mammalian subject as, for example, a human. Further aspects of the invention include rotor bodies having helical channels formed longitudinally along the length of the body of the rotor where each helical channel is formed between peripheral support surface areas facing radially outwardly and extending generally in circumferential directions around the rotational axis of the rotor.
Abstract translation: 血管内心室辅助装置的一个方面是可植入血液泵，其中泵包括限定具有轴的孔的壳体，设置在孔内的一个或多个转子，每个转子包括多个磁极，以及一个或多个围绕 所述孔用于在所述孔内提供磁场以引起所述一个或多个转子中的每一个的旋转。 本发明的另一方面包括向例如人类的哺乳动物受试者提供心脏辅助的方法。 本发明的其它方面包括具有沿着转子主体的长度纵向形成的螺旋通道的转子体，其中每个螺旋通道形成在围绕转子的旋转轴线的径向向外并沿圆周方向延伸的外围支撑表面区域之间。
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