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185 条记录 (耗时 0.017 秒)

    Collapsible artificial ventricle and pumping shell
    91.
    发明授权
    Collapsible artificial ventricle and pumping shell 失效
    可折叠人造心室和抽壳

    公开(公告)号：US4902291A

    公开(公告)日：1990-02-20

    申请号：US286620

    申请日：1989-01-31

    申请人： Willem J. Kolff

    发明人： Willem J. Kolff

    IPC分类号： A61M1/10 ,  A61M1/12

    CPC分类号： A61M1/1037 ,  A61M1/1098 ,  A61M1/106 ,  A61M1/12

    摘要： An artificial ventricle for use as part of a total artificial heart for implantation within a living being as part of its circulatory system. The ventricle includes a soft and flexible blood pumping sac which can be collapsed to the substantially flattened, squeezed or rolled-up structure of much reduced size. The sac includes inlet and outlet ports to permit the flow of blood therethrough and is contained within a semi-rigid and removable enclosure which provides pumping means for driving blood flow through the ventricle. The semi-rigid shell includes open and closed configurations to allow emplacement of the shell around an attached ventricle already sutured in place as part of the circulatory system. Removal of the rigid shell is likewise feasible without disturbing the attached ventricle.

    摘要翻译： 作为其作为其循环系统的一部分的生物体内植入的总人造心脏的一部分的人造心室。 心室包括柔软且灵活的抽血囊，其可以塌缩至大大减小尺寸的基本扁平化，挤压或卷起结构。 囊包括允许血液通过其中的入口和出口端口，并且包含在半刚性和可移除的外壳内，其提供用于驱动血流通过心室的泵送装置。 半刚性外壳包括打开和关闭的构造，以允许壳体围绕作为循环系统的一部分已被缝合的附接心室。 刚性外壳的移除同样可行，而不会扰乱附着的心室。

    Ventricular assist device and method of manufacture
    92.
    发明授权
    Ventricular assist device and method of manufacture 失效
    心室辅助装置及其制造方法

    公开(公告)号：US4838889A

    公开(公告)日：1989-06-13

    申请号：US890792

    申请日：1986-07-23

    申请人： Willem J. Kolff

    发明人： Willem J. Kolff

    IPC分类号： A61M1/10 ,  A61M1/12

    CPC分类号： A61M1/1037 ,  A61M1/1044 ,  A61M1/1096 ,  A61M1/1098 ,  A61M1/122 ,  A61M1/106

    摘要： A ventricular assist device and a method of manufacturing the ventricular assist device. The device is generally flat in shape and gently curved so that it may be comfortably implanted under the skin or inside the chest of a patient. The device includes a housing comprising an atrial blood chamber, an atrial compliance chamber, a ventricular blood chamber and a ventricular pjmping chamber. Blood is introduced through an inlet port into the atrial blood chamber. An atrial compliance membrane within the housing separates the atrial blood chamber from the atrial compliance chamber and responds to the changing volume of blood. The ventricular blood chamber receives the blood from the atrial blood chamber through a flap valve which is formed as an integral extension of the compliance membrane. A pumping membrane within the housing separates the ventricular blood chamber from the ventricular pumping chamber and is displaced by a drive fluid to expel blood out of the ventricular blood chamber through an outlet port that is controlled by a second valve mechanism. The device is manufactured using a novel vacuum forming technique that is both simple and inexpensive.

    摘要翻译： 心室辅助装置及心室辅助装置的制造方法。 该装置通常为平坦的形状并且缓缓地弯曲，使得其可以舒适地植入皮肤或患者胸部内部。 该装置包括壳体，其包括心房血液室，心房顺应性室，心室血液室和心室阻塞室。 血液通过入口引入心房血液腔。 壳体内的心房顺应性膜将心房血液室与心房顺应室分开，并响应血液变化的体积。 心室血液腔通过瓣膜形成瓣膜瓣，该瓣瓣形成为柔顺膜的整体延伸。 壳体内的抽吸膜将心室血液室与心室泵送室分离，并被驱动流体移位，以通过由第二阀机构控制的出口将血液排出心室血液室。 该装置使用简单且便宜的新型真空成形技术制造。

    Vacuum molding technique for manufacturing a ventricular assist device
    93.
    发明授权
    Vacuum molding technique for manufacturing a ventricular assist device 失效
    用于制造心室辅助装置的真空成型技术

    公开(公告)号：US4427470A

    公开(公告)日：1984-01-24

    申请号：US298420

    申请日：1981-09-01

    申请人： Willem J. Kolff

    发明人： Willem J. Kolff

    IPC分类号： A61M1/10 ,  A61M1/12 ,  A61F1/24

    CPC分类号： A61M1/1037 ,  A61M1/1044 ,  A61M1/1096 ,  A61M1/1098 ,  A61M1/122 ,  A61M1/106 ,  Y10S623/901

    摘要： A ventricular assist device and a method of manufacturing the ventricular assist device. The device is generally flat in shape and gently curved so that it may be comfortably implanted under the skin or inside the chest of a patient. The device includes a housing comprising an atrial blood chamber, an atrial compliance chamber, a ventricular blood chamber and a ventricular pumping chamber. Blood is introduced through an inlet port into the atrial blood chamber. An atrial compliance membrane within the housing separates the atrial blood chamber from the atrial compliance chamber and responds to the changing volume of blood. The ventricular blood chamber receives the blood from the atrial blood chamber through a flap valve which is formed as an integral extension of the compliance membrane. A pumping membrane within the housing separates the ventricular blood chamber from the ventricular pumping chamber and is displaced by a drive fluid to expel blood out of the ventricular blood chamber through an oulet port that is controlled by a second valve mechanism. The device is manufactured using a novel vacuum forming technique that is both simple and inexpensive.

    摘要翻译： 心室辅助装置及心室辅助装置的制造方法。 该装置通常为平坦的形状并且缓缓地弯曲，使得其可以舒适地植入皮肤或患者胸部内部。 该装置包括壳体，其包括心房血液室，心房顺应性室，心室血液室和心室抽吸腔。 血液通过入口引入心房血液腔。 壳体内的心房顺应性膜将心房血液室与心房顺应室分开，并响应血液变化的体积。 心室血液腔通过瓣膜形成瓣膜瓣，该瓣瓣形成为柔顺膜的整体延伸。 壳体内的抽吸膜将心室血液室与心室泵送室分离，并被驱动流体移位，以通过由第二阀机构控制的口腔口将血液排出心室血室。 该装置使用简单且便宜的新型真空成形技术制造。

    Diaphragm type blood pump for medical use
    94.
    发明授权
    Diaphragm type blood pump for medical use 失效
    用于医疗用隔膜式血液泵

    公开(公告)号：US4411603A

    公开(公告)日：1983-10-25

    申请号：US276752

    申请日：1981-06-24

    申请人： Michael J. Kell

    发明人： Michael J. Kell

    IPC分类号： A61M1/10 ,  F04B43/02 ,  A61M5/00

    CPC分类号： F04B43/02 ,  A61M1/1037 ,  A61M1/1098 ,  A61M1/1046 ,  Y10S128/12 ,  Y10T137/7891

    摘要： A positive displacement pump for delivery of blood, or the like, from patients to an extracorporeal circuit, for purification, as in hemodialysis treatments. The pump is small, and sufficiently inexpensive to be discarded after one use. The pump comprises a single blood chamber attached to inlet and outlet conduits separated from the chamber and each other by low resistance flapper valves. The flapper valves are integral with a flexible diaphragm which forms one side of the blood chamber and are operative to close the outlet valve and to open the inlet valve to fill the blood cavity responsive to withdrawal of the diaphragm from the blood chamber cavity and to reverse each valve upon penetration of the diaphragm into the blood chamber to deliver uniformly small increments of blood to an artificial kidney or other blood treatment device.

    摘要翻译： 用于将血液等从患者输送到体外循环的用于净化的容积式泵，如在血液透析治疗中那样。 泵很小，并且在一次使用后足够廉价地丢弃。 该泵包括一个血液室，该血液室连接到从腔室分离的入口和出口管道，并通过低阻挡阀门相互连接。 挡板阀与形成血液室一侧的柔性隔膜成一体，并且可操作地关闭出口阀并打开入口阀，以响应于将隔膜从血液腔腔中取出并反向 每个瓣膜在将膜片穿入血液腔室中以均匀地向人造肾或其他血液处理装置输送血液的小增量。

    Implantable linear motor prosthetic heart and control system therefor
    95.
    发明授权
    Implantable linear motor prosthetic heart and control system therefor 失效
    可伸缩线性电机前置心脏及其控制系统

    公开(公告)号：US3842440A

    公开(公告)日：1974-10-22

    申请号：US28574972

    申请日：1972-09-01

    申请人： KARLSON E

    发明人： KARLSON E

    IPC分类号： A61M1/10 ,  A61F1/24

    CPC分类号： A61M1/1053 ,  A61M1/1037 ,  A61M1/1048 ,  A61M1/1055 ,  A61M1/1086 ,  A61M1/1098 ,  A61M1/122 ,  A61M1/127

    摘要： Linear drive pump and control means provide pulses of fluid of desired wave form into one or two conduits. The wave forms in two conduits may be the same or different, and controlled if desired by preprogrammed means. If employed as a half or whole heart sensing means disposed within the circulatory system or the artificial heart may be used to provide data for modifying preprogrammed data and scanning and monitoring means and means for recharging a power source implanted in a body may be provided.

    摘要翻译： 线性驱动泵和控制装置将期望波形的流体脉冲提供到一个或两个管道中。 在两个导管中形成的波形可以相同或不同，并且如果需要，则通过预编程方法进行控制。 如果被用作设置在循环系统内的半心或全心感测装置或人造心脏，则可用于提供用于修改预编程数据的数据，并且可以提供用于对植入体内的电源进行再充电的扫描和监测装置和装置。