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63 条记录 (耗时 0.05 秒)

    Variable volume pipette
    1.
    发明授权
    Variable volume pipette 失效
    可变体积移液器

    公开(公告)号：US4593837A

    公开(公告)日：1986-06-10

    申请号：US711949

    申请日：1985-03-15

    申请人： Raymond F. Jakubowicz ,  Stuart G. MacDonald

    发明人： Raymond F. Jakubowicz ,  Stuart G. MacDonald

    IPC分类号： B01L3/02 ,  G01N1/00 ,  G01F11/28

    CPC分类号： B01L3/0275

    摘要： There is disclosed a pipette useful with disposable tips, comprising a plurality of differently-sized pistons and a piston chamber for each piston. Each piston chamber has a vent passageway extending to the exterior surface of the pipette. The pipette is improved in that the mounting means for mounting a disposable tip comprises, not one surface, but a plurality of differently-sized surfaces. Furthermore, the vent passageway for all but the smallest piston chamber exits at a location in between the mounting surface for the tip of that particular piston chamber and the next smaller mounting surface, whereby the larger disposable tips seal over the vent passageways of the smaller disposable tips.

    摘要翻译： 公开了一种可用于一次性尖端的移液管，其包括多个不同尺寸的活塞和用于每个活塞的活塞室。 每个活塞室具有延伸到吸液管外表面的通气通道。 移液管的改进在于，用于安装一次性尖端的安装装置不包括一个表面，而是包括多个不同尺寸的表面。 此外，除了最小活塞室之外的所有排气通道都在该特定活塞室的顶端的安装表面和下一个更小的安装表面之间的位置处离开，从而较大的一次性尖端密封在较小一次性的一次性 提示。

    Electromagnetic interference immune pacing/defibrillation lead
    2.
    发明授权
    Electromagnetic interference immune pacing/defibrillation lead 有权
    电磁干扰免疫起搏/除颤引线

    公开(公告)号：US07801625B2

    公开(公告)日：2010-09-21

    申请号：US11140066

    申请日：2005-05-27

    申请人： Stuart G. MacDonald

    发明人： Stuart G. MacDonald

    IPC分类号： A61N1/05

    CPC分类号： A61N1/04 ,  A61N1/0563 ,  A61N1/08 ,  A61N1/086 ,  Y10S128/908

    摘要： An electromagnetic interference immune defibrillator lead has a first electromagnetic insulating layer. A first layer is formed on the first electromagnetic insulating layer, the first layer having a plurality of first conductive rings composed of first conductive material, each first conductive ring being separated by first insulating material. A second electromagnetic insulating layer is formed on the first layer. A second layer is, formed on the second electromagnetic insulating layer, the second layer having a plurality of second conductive rings composed of second conductive material, each second conductive ring being separated by second insulating material. A third electromagnetic insulating layer is formed on the second layer. The second conductive rings of second conductive material are positioned such that a second conductive ring overlaps a portion of a first conductive ring and overlaps a portion of a second conductive ring, the second conductive ring being adjacent to the first conductive ring. The second electromagnetically insulating layer is composed of a self-healing dielectric material.

    摘要翻译： 电磁干扰免疫除颤器引线具有第一电磁绝缘层。 第一层形成在第一电磁绝缘层上，第一层具有由第一导电材料构成的多个第一导电环，每个第一导电环由第一绝缘材料隔开。 在第一层上形成第二电磁绝缘层。 第二层形成在第二电磁绝缘层上，第二层具有由第二导电材料构成的多个第二导电环，每个第二导电环由第二绝缘材料隔开。 在第二层上形成第三电磁绝缘层。 第二导电材料的第二导电环被定位成使得第二导电环与第一导电环的一部分重叠并与第二导电环的一部分重叠，第二导电环与第一导电环相邻。 第二电磁绝缘层由自愈电介质材料组成。

    Electromagnetic interference immune pacing/defibrillation lead
    3.
    发明授权
    Electromagnetic interference immune pacing/defibrillation lead 失效
    电磁干扰免疫起搏/除颤引线

    公开(公告)号：US07539545B2

    公开(公告)日：2009-05-26

    申请号：US11140071

    申请日：2005-05-27

    申请人： Stuart G. MacDonald

    发明人： Stuart G. MacDonald

    IPC分类号： A61N1/05

    CPC分类号： A61N1/056 ,  A61N1/05 ,  A61N1/086

    摘要： An electromagnetic interference immune defibrillator lead has a first electromagnetic insulating layer. A first layer is formed on the first electromagnetic insulating layer, the first layer having a plurality of first conductive rings composed of first conductive material, each first conductive ring being separated by first insulating material. A second electromagnetic insulating layer is formed on the first layer. A second layer is, formed on the second electromagnetic insulating layer, the second layer having a plurality of second conductive rings composed of second conductive material, each second conductive ring being separated by second insulating material. A third electromagnetic insulating layer is formed on the second layer. The second conductive rings of second conductive material are positioned such that a second conductive ring overlaps a portion of a first conductive ring and overlaps a portion of a second conductive ring, the second conductive ring being adjacent to the first conductive ring. The second electromagnetically insulating layer is composed of a self-healing dielectric material.

    摘要翻译： 电磁干扰免疫除颤器引线具有第一电磁绝缘层。 第一层形成在第一电磁绝缘层上，第一层具有由第一导电材料构成的多个第一导电环，每个第一导电环由第一绝缘材料隔开。 在第一层上形成第二电磁绝缘层。 第二层形成在第二电磁绝缘层上，第二层具有由第二导电材料构成的多个第二导电环，每个第二导电环由第二绝缘材料隔开。 在第二层上形成第三电磁绝缘层。 第二导电材料的第二导电环被定位成使得第二导电环与第一导电环的一部分重叠并与第二导电环的一部分重叠，第二导电环与第一导电环相邻。 第二电磁绝缘层由自愈电介质材料组成。

    Sensor-equipped and algorithm-controlled direct mechanical ventricular assist device
    4.
    发明授权
    Sensor-equipped and algorithm-controlled direct mechanical ventricular assist device 有权
    传感器配备和算法控制的直接机械心室辅助装置

    公开(公告)号：US07494459B2

    公开(公告)日：2009-02-24

    申请号：US10607434

    申请日：2003-06-26

    申请人： Mark P. Anstadt ,  George L. Anstadt ,  Stuart G. MacDonald ,  Jeffrey L. Helfer ,  George W. Anstadt

    发明人： Mark P. Anstadt ,  George L. Anstadt ,  Stuart G. MacDonald ,  Jeffrey L. Helfer ,  George W. Anstadt

    IPC分类号： A61M1/10

    CPC分类号： A61M1/1086 ,  A61F2/2481 ,  A61M1/1008 ,  A61M1/106 ,  A61M1/1068 ,  A61M1/12 ,  A61M1/127 ,  A61M2205/32 ,  A61M2205/33 ,  A61M2205/3303 ,  A61M2205/3331 ,  A61M2205/3334 ,  A61M2230/04 ,  A61M2230/202 ,  A61M2230/205 ,  A61N1/05

    摘要： A process for assisting the function of a heart disposed within a body, and comprising an outer wall, comprising the steps of measuring at least one parameter that is indicative of the function of the heart, applying a compressive force to a portion of the outer wall of the heart, and applying an expansive force to the portion of the outer wall of the heart. The process is preferably performed with an apparatus comprising a cup-shaped shell having an exterior wall, an interior wall, an apex, and an upper edge; a liner having an outer surface and an inner surface, an upper edge joined to said interior wall of the cup-shaped shell, and a lower edge joined of the interior wall of the cup-shaped shell, thereby forming a cavity between the outer surface thereof and the interior wall of the shell; and a drive fluid cyclically interposed within the cavity, the drive fluid applying a uniform force on a portion of the outer wall of the heart.

    摘要翻译： 一种用于辅助设置在体内的心脏的功能并包括外壁的过程，包括以下步骤：测量指示心脏功能的至少一个参数，向外壁的一部分施加压缩力 的心脏，并且向心脏的外壁的部分施加膨胀的力。 该方法优选用包括具有外壁，内壁，顶点和上边缘的杯形壳体的装置进行; 具有外表面和内表面的衬里，与杯状壳体的所述内壁连接的上边缘以及与杯形壳体的内壁连接的下边缘，从而在外表面 和壳体的内壁; 以及驱动流体循环地插入在所述空腔内，所述驱动流体在心脏的外壁的一部分上施加均匀的力。

    Magnetically shielded assembly
    8.
    发明授权
    Magnetically shielded assembly 失效
    磁屏蔽组装

    公开(公告)号：US06846985B2

    公开(公告)日：2005-01-25

    申请号：US10810916

    申请日：2004-03-26

    申请人： Xingwu Wang ,  Jeffrey L. Helfer ,  Stuart G. MacDonald

    发明人： Xingwu Wang ,  Jeffrey L. Helfer ,  Stuart G. MacDonald

    IPC分类号： A61N1/16 ,  H01B7/04 ,  H01B11/10 ,  H01F1/00 ,  H01F10/00 ,  H01F10/32 ,  H05K9/00

    CPC分类号： H05K9/0075 ,  A61N1/16 ,  B82Y25/00 ,  H01B11/10 ,  H01B11/1083 ,  H01F1/0063 ,  H01F10/007 ,  H01F10/324

    摘要： A shielded assembly containing a substrate and a shield. The shield contains both nanomagnetic material and a material with an electrical resistivity of from about 1 microohm-centimeter to about 1×1025 microohm centimeters. The nanomagnetic material has a mass density of at least about 0.01 grams per cubic centimeter, a saturation magnetization of from about 1 to about 36,000 Gauss, a coercive force of from about 0.01 to about 5000 Oersteds, a relative magnetic permeability of from about 1 to about 500,000, and an average particle size of less than about 100 nanometers.

    摘要翻译： 包含基板和屏蔽的屏蔽组件。 屏蔽包含纳米磁性材料和电阻率为约1微欧姆至约1×10 25微欧姆厘米的材料。 纳米磁性材料的质量密度为至少约0.01克/立方厘米，饱和磁化强度为约1至约36,000高斯，矫顽力为约0.01至约5000奥斯特，相对磁导率为约1至 约500,000，平均粒径小于约100纳米。

    Electromagnetic interference immune tissue invasive system
    10.
    发明授权
    Electromagnetic interference immune tissue invasive system 失效
    电磁干扰免疫组织浸润系统

    公开(公告)号：US06763268B2

    公开(公告)日：2004-07-13

    申请号：US10077827

    申请日：2002-02-19

    申请人： Stuart G. MacDonald ,  Patrick R. Connelly

    发明人： Stuart G. MacDonald ,  Patrick R. Connelly

    IPC分类号： A61N1362

    CPC分类号： G01R33/285 ,  A61N1/056 ,  A61N1/086 ,  A61N1/3718 ,  A61N1/375 ,  G01R33/288

    摘要： An electromagnetic immune tissue invasive system includes a primary device housing. The primary device housing having a control circuit therein. A shielding is formed around the primary device housing to shield the primary device housing and any circuits therein from electromagnetic interference. A lead system transmits and receives signals between the primary device housing. The lead system is either a fiber optic system or an electrically shielded electrical lead system.

    摘要翻译： 电磁免疫组织侵入系统包括主要装置壳体。 主装置壳体中具有控制电路。 围绕主要器件外壳形成屏蔽以屏蔽主要器件外壳及其中的任何电路免受电磁干扰。 引导系统在主设备外壳之间发送和接收信号。 引导系统是光纤系统或电屏蔽电引线系统。