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1. 发明申请

US20030216801A1 Transmyocardial implant with natural vessel graft and method 审中-公开
标题翻译：经心肌植入与天然血管移植和方法
公开(公告)号：US20030216801A1
公开(公告)日：2003-11-20
申请号：US10150621
申请日：2002-05-17
申请人： HeartStent Corporation
发明人： Katherine S. Tweden , Michael Schollmeyer
IPC分类号： A61F002/06
CPC分类号： A61F2/94 , A61F2/2493 , A61F2220/0008 , A61F2220/0075
摘要： A transmyocardial implant includes a hollow rigid conduit having a vessel portion and a myocardial portion. The vessel portion is sized to be inserted into a blood vessel segment taken from a non-coronary artery or vein. The myocardial portion is sized to extend from the vessel portion and through a myocardium into a heart chamber. The conduit has open vessel and myocardial ends on respective ends of the vessel and myocardial portions to define a blood flow pathway within an interior of the conduit between the vessel and myocardial ends. The myocardial portion is formed of a conduit material sufficiently rigid to resist deformation and closure of the pathway in response to contraction of the myocardium. The vessel portion has a radial compliance approximating a radial compliance of the vessel.
摘要翻译：经心肌植入物包括具有血管部分和心肌部分的中空刚性导管。容器部分的尺寸设置成插入从非冠状动脉或静脉取出的血管段。心肌部分的尺寸设计成从血管部分延伸并通过心肌进入心室。导管在容器和心肌部分的相应端部上具有开放的血管和心肌末端，以在容器和心肌末端之间的管道内部限定血液流动通路。心肌部分由足够刚性的导管材料形成，以抵抗心肌收缩的途径的变形和闭合。容器部分具有近似于容器的径向顺应性的径向顺应性。

2. 发明申请

US20020095111A1 Healing transmyocardial implant 审中-公开
公开(公告)号：US20020095111A1
公开(公告)日：2002-07-18
申请号：US10095165
申请日：2002-03-08
申请人： HeartStent Corporation
发明人： Katherine S. Tweden , Guy P. Vanney
IPC分类号： A61F002/06
CPC分类号： A61F2/94 , A61B17/04 , A61B17/11 , A61B2017/00252 , A61F2/06 , A61F2/064 , A61F2/07 , A61F2/2493 , A61F2/91 , A61F2/915 , A61F2/958 , A61F2002/828 , A61F2002/91533 , A61F2002/9155 , A61F2002/91558 , A61F2220/0008 , A61F2230/0054 , A61F2250/0067
摘要： A transmyocardial implant establishes a blood flow path through a myocardium between a heart chamber and a lumen of a coronary vessel residing on an exterior of the heart. The implant includes a coronary portion sized to be received within the vessel. A myocardial portion is sized to pass through the myocardium into the heart chamber. A transition portion connects the coronary and myocardial portions for directing blood flow from the myocardial portion to the coronary portion. The coronary portion and the myocardial portion have an open construction for permitting tissue growth across a wall thickness of the coronary portion and the myocardial portion. The myocardial portion includes an agent for controlling a coagulation cascade and platelet formation.

3. 发明申请

US20040077988A1 Healing transmyocardial implant 审中-公开
标题翻译：愈合经心肌植入
公开(公告)号：US20040077988A1
公开(公告)日：2004-04-22
申请号：US10639614
申请日：2003-08-11
申请人： HeartStent Corporation
发明人： Katherine S. Tweden , Guy P. Vanney
IPC分类号： A61F002/06
CPC分类号： A61F2/94 , A61B17/04 , A61B17/11 , A61B2017/00252 , A61F2/06 , A61F2/064 , A61F2/07 , A61F2/2493 , A61F2/91 , A61F2/915 , A61F2/958 , A61F2002/828 , A61F2002/91533 , A61F2002/9155 , A61F2002/91558 , A61F2220/0008 , A61F2230/0054 , A61F2250/0067
摘要： A transmyocardial implant establishes a blood flow path through a myocardium between a heart chamber and a lumen of a coronary vessel residing on an exterior of the heart. The implant includes a coronary portion sized to be received within the vessel. A myocardial portion is sized to pass through the myocardium into the heart chamber. A transition portion connects the coronary and myocardial portions for directing blood flow from the myocardial portion to the coronary portion. The coronary portion and the myocardial portion have an open construction for permitting tissue growth across a wall thickness of the coronary portion and the myocardial portion. The myocardial portion includes an agent for controlling a coagulation cascade and platelet formation.
摘要翻译：经心肌植入物建立通过位于心脏外部的冠状动脉血管的心室和心腔之间的心肌的血流路径。植入物包括尺寸适于容纳在容器内的冠状部分。心肌部分的大小可以通过心肌进入心室。过渡部分连接冠状动脉和心肌部分，用于将血液从心肌部分引导到冠状动脉部分。冠状部分和心肌部分具有开放构造，用于允许横跨冠状部分和心肌部分的壁厚的组织生长。心肌部分包括用于控制凝血级联和血小板形成的药剂。

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