Right heart ejection fraction and cardiac output catheter
    51.
    发明授权
    Right heart ejection fraction and cardiac output catheter 失效
    右心射血分数和心输出量导管

    公开(公告)号:US4632125A

    公开(公告)日:1986-12-30

    申请号:US570631

    申请日:1984-01-13

    IPC分类号: A61B5/028 A61B5/02

    摘要: An apparatus for injecting a fluid into the heart and making temperature measurements within the pulmonary artery comprising an elongated flexible tube having a distal end portion, a temperature sensor mounted on the distal end portion, a peripheral wall, at lest one lumen extending longitudinally within the tube and an injectate port opening in the peripheral wall proximally of the temperature sensor. The tube can be advanced through a vein, the right atrium and the right ventricle to place the distal end portion in the pulmonary artery and the injectate port in the right atrium facing generally toward the inferior vena cave. The temperature sensor is oriented on the distal end portion so as to materially reduce the likelihood that it will contact the wall of the pulmonary artery during use.

    摘要翻译: 一种用于将流体注射到心脏中并在肺动脉内进行温度测量的装置,包括具有远端部分的细长柔性管,安装在远端部分上的温度传感器,周壁,至少一个腔内 管和在温度传感器近侧的周壁中开口的注射口。 管可以通过静脉,右心房和右心室前进,将远端部分放置在肺动脉中,右心房中的注射口通常面向下腔静脉。 温度传感器定位在远端部分上,以便在使用过程中大大降低其与肺动脉壁接触的可能性。

    Integrated controlled volume inflator device, components, and methods of use
    52.
    发明授权
    Integrated controlled volume inflator device, components, and methods of use 有权
    集成控制体积充气机装置,部件和使用方法

    公开(公告)号:US09522257B2

    公开(公告)日:2016-12-20

    申请号:US13436724

    申请日:2012-03-30

    申请人: William E. Webler

    发明人: William E. Webler

    IPC分类号: A61M25/10

    CPC分类号: A61M25/10182 A61M25/10187

    摘要: A controlled pressure inflation-deflation device inflates a balloon to occlude a blood vessel by moving a large plunger to provide incremental pressure increases within a syringe. A releasable latch moves a second plunger, positioned within a syringe formed by an inner columnar opening in the large plunger, between an occlusion position and a perfusion position. A three-position switch has a release position to allow the large plunger to move freely, an adjust position to provide the incremental pressure increases, and a lock position to lock the location of the plunger. Pressures at which various balloons (e.g., folded balloons) achieve or nearly achieve a substantially circular cross-section may be extrapolated by inflating balloons with pressures equal and/or greater than the first occlusion pressure. Balloons may be pre-inflated up to or below the first occlusion pressure to achieve a substantially circular cross-section, prior to increasing the balloon to an occlusion pressure.

    摘要翻译: 受控压力充气 - 放气装置通过移动大的柱塞来使球囊膨胀以封闭血管,以在注射器内提供增加的压力增加。 可释放的闩锁移动位于由大柱塞内的内柱形开口形成的注射器内的第二柱塞之间,阻塞位置和灌注位置之间。 三位置开关具有释放位置,以允许大柱塞自由移动,提供增量压力的调节位置增加,以及锁定位置以锁定柱塞的位置。 各种气球(例如,折叠的气球)达到或几乎达到基本圆形的横截面的压力可以通过在等于和/或大于第一闭塞压力的压力下膨胀球囊来外推。 在将球囊增加到闭塞压力之前,气球可以预先充气至第一闭塞压力或低于第一闭塞压力,以实现基本圆形的横截面。

    Rotatable ferrules and interfaces for use with an optical guidewire
    54.
    发明授权
    Rotatable ferrules and interfaces for use with an optical guidewire 有权
    可旋转套圈和与光导线一起使用的接口

    公开(公告)号:US08845519B2

    公开(公告)日:2014-09-30

    申请号:US12541444

    申请日:2009-08-14

    IPC分类号: A61B1/07 G02B6/36 A61B5/00

    摘要: Devices and methods for passing optical radiation into and out of a body lumen may include a rotatable ferrule for use in an optical guidewire and methods for using a rotatable ferrule. The rotatable ferrule may be either rotatably captured by and free to rotate within a guidewire, or may rotate upon release from a releasable, mechanically stable friction-fit engagement with a guidewire. Sterile interfaces for readily connecting and disconnecting an optical guidewire with and from other optical instrumentation while maintaining the sterility of the guidewire, and methods for using a sterile interface device are disclosed. Interface devices can be used to provide either direct or indirect optical and mechanical connection between an optical guidewire and peripheral instrumentation.

    摘要翻译: 用于将光学辐射传入和流出体腔的装置和方法可包括用于光导线的可旋转套圈以及使用可旋转套圈的方法。 可旋转套圈可以被可旋转地捕获并且在导丝内自由旋转,或者可以在与导丝的可释放的机械稳定的摩擦配合接合释放时旋转。 公开了用于在保持导线的无菌性的同时轻松地连接和断开与其他光学仪器的光导线的无菌接口,以及使用无菌接口装置的方法。 接口设备可用于在光导线和外围设备之间提供直接或间接的光学和机械连接。

    CATHETER MOUNTED AUTOMATIC VESSEL OCCLUSION AND FLUID DISPERSION DEVICES
    57.
    发明申请
    CATHETER MOUNTED AUTOMATIC VESSEL OCCLUSION AND FLUID DISPERSION DEVICES 失效
    导管安装的自动血管造影和液体分散装置

    公开(公告)号:US20120302891A1

    公开(公告)日:2012-11-29

    申请号:US13485826

    申请日:2012-05-31

    摘要: Catheter or guidewire mounted automatic vessel occlusion and fluid dispersion devices that expand to occlude or partially occlude a vessel when a fluid is flowing in the catheter or guidewire, and that automatically collapse when fluid flow is stopped. Each occlusion device has an elastic skeleton covered with a flexible cover coupled thereto and may have a hole(s) or openings in its distal or proximal end thereof to allow controlled flow through the desired end of the occlusion device. The fluid may be a flush fluid for enabling or improving the performance of imaging devices and image enhancing fluids, of treatment fluids for localized treatment of a vessel or tissues in communication with the vessel and/or of the transmission of energy to the vessel wall and adjacent tissues. Various embodiments are disclosed.

    摘要翻译: 导管或导丝安装的自动血管闭塞和流体分散装置,其在流体在导管或导丝中流动时膨胀以封闭或部分闭塞血管,并且当流体流停止时自动塌陷。 每个闭塞装置具有被耦合到其上的柔性盖子覆盖的弹性框架,并且在其远端或近端具有孔或开口,以允许受阻流过穿过闭塞装置的期望端部。 流体可以是冲洗流体,用于实现或改善成像装置和图像增强流体的性能,用于处理流体用于与容器连通的容器或组织的局部处理和/或向容器壁传递能量, 相邻组织。 公开了各种实施例。

    Controlling shaft bending moment and whipping in a tendon deflection or other tendon system
    58.
    发明授权
    Controlling shaft bending moment and whipping in a tendon deflection or other tendon system 有权
    控制轴弯矩和腱弯曲或其他腱系统

    公开(公告)号:US08075518B2

    公开(公告)日:2011-12-13

    申请号:US12493035

    申请日:2009-06-26

    IPC分类号: A61M31/00

    摘要: A tendon deflection system including a shaft, a plurality of tendons movably disposed within the shaft, and a force-balancing element coupled to the tendons. In a first section, the plurality of tendons are arranged around the shaft at equal angles to each other and at an equal distance from the center of the shaft. The tendons operating in concert with the force-balancing element minimize the moment expressed in the first section. The second section is deflectable and includes at least one tendon, extending from the plurality of tendons in the first section, which is arranged along one side of the shaft such that the bending moment expressed in the second section is greater than the first section.

    摘要翻译: 腱偏转系统包括轴,可移动地设置在轴内的多个腱以及连接到腱的力平衡元件。 在第一部分中,多个钢筋以彼此相等的角度并且与轴的中心相等的距离布置在轴周围。 与力平衡元件协同操作的钢筋使得第一部分中表达的力矩最小化。 第二部分是可偏转的,并且包括从第一部分中的多个腱延伸的至少一个腱,其沿轴的一侧布置,使得在第二部分中表示的弯矩大于第一部分。