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1. 发明授权

US10881767B2 Cannula tip for use with a VAD 有权
公开(公告)号：US10881767B2
公开(公告)日：2021-01-05
申请号：US16129231
申请日：2018-09-12
申请人： HeartWare, Inc.
发明人： Heinrich Schima , Martin Stoiber , Georg Wieselthaler , Zeno Deckert
IPC分类号： A61M1/10 , A61M25/00 , A61M1/36 , A61M1/12
摘要： The present invention includes various embodiments of methods of circulating blood in a mammalian circulatory system, and various blood circulation assemblies adapted to perform such circulation. In one embodiment of the present invention, a blood circulation assembly includes a blood circulation device having an inlet and a discharge; a first cannula including a proximal portion in communication with the inlet, the proximal portion having a wall extending around a first longitudinal axis and having outer and inner faces, said inner face defining a bore, and a distal portion including an outer face tapering distally toward said axis and at least two openings extending from said outer face and merging with one another to form a hollow space within said distal portion, said hollow space communicating with said bore of said proximal portion; and a second cannula including a proximal portion in communication with the discharge, the proximal portion having a wall extending around a first longitudinal axis and having outer and inner faces, said inner face defining a bore, and a distal portion including an outer face tapering distally toward said axis and at least two openings extending from said outer face and merging with one another to form a hollow space within said distal portion, said hollow space communicating with said bore of said proximal portion.

2. 发明授权

US10076596B2 Cannula tip for use with a VAD 有权
公开(公告)号：US10076596B2
公开(公告)日：2018-09-18
申请号：US14703122
申请日：2015-05-04
申请人： HeartWare, Inc.
发明人： Heinrich Schima , Martin Stoiber , Georg Wieselthaler , Zeno Deckert
IPC分类号： A61M37/00 , A61M1/10 , A61M1/12
CPC分类号： A61M1/1008 , A61M1/1001 , A61M1/101 , A61M1/122 , A61M1/125 , A61M1/3653 , A61M1/3659 , A61M25/0068 , A61M25/0069
摘要： The present invention includes various embodiments of methods of circulating blood in a mammalian circulatory system, and various blood circulation assemblies adapted to perform such circulation. In one embodiment of the present invention, a blood circulation assembly includes a blood circulation device having an inlet and a discharge; a first cannula including a proximal portion in communication with the inlet, the proximal portion having a wall extending around a first longitudinal axis and having outer and inner faces, said inner face defining a bore, and a distal portion including an outer face tapering distally toward said axis and at least two openings extending from said outer face and merging with one another to form a hollow space within said distal portion, said hollow space communicating with said bore of said proximal portion; and a second cannula including a proximal portion in communication with the discharge, the proximal portion having a wall extending around a first longitudinal axis and having outer and inner faces, said inner face defining a bore, and a distal portion including an outer face tapering distally toward said axis and at least two openings extending from said outer face and merging with one another to form a hollow space within said distal portion, said hollow space communicating with said bore of said proximal portion.

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