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    • 12. 发明授权
    • Method and apparatus for controlling fluid flow
    • 控制流体流动的方法和装置
    • US5971024A
    • 1999-10-26
    • US234436
    • 1999-01-20
    • William H. Penny
    • William H. Penny
    • F16K15/14F16K15/00
    • F16K15/144Y10T137/784Y10T137/7888Y10T137/7895
    • A check valve for controlling flow between a low-pressure reservoir and a source reservoir has a pin and an associated diaphragm. The pin has a shaft portion which is attached adjacent to the low-pressure reservoir and a closed head portion. The shaft of the pin has a central channel which opens into the low-pressure reservoir and is connected to the outer surface of the pin by at least one opening in the pin. The diaphragm is made of an elastomeric material and is disposed to tightly fit around, and bias against the surface of the pin. The diaphragm seals around the opening in the pin and is elastically deformable by a predetermined positive pressure to define a pathway from the high-pressure source into the opening in the pin and ultimately into the low-pressure reservoir.
    • 用于控制低压储存器和源储存器之间的流动的止回阀具有销和相关联的隔膜。 该销有一个与低压储存器相邻的轴部和一个闭合的头部。 销的轴具有通向低压储存器的中心通道,并通过销中的至少一个开口连接到销的外表面。 隔膜由弹性体材料制成,并且设置成紧密配合并偏压销的表面。 隔膜围绕销中的开口密封,并且可以通过预定的正压力弹性变形以限定从高压源进入销中的开口并最终进入低压储存器的路径。
    • 13. 发明授权
    • Guide catheter system for an angioplasty balloon catheter
    • 用于血管成形术球囊导管的导管系统
    • US5385562A
    • 1995-01-31
    • US6210
    • 1993-01-19
    • Daniel O. AdamsWilliam H. Penny
    • Daniel O. AdamsWilliam H. Penny
    • A61M25/00A61M25/01A61M25/06A61M29/02
    • A61M25/0169A61M25/01A61M25/0662A61M2025/0004A61M2025/0047A61M2025/0183A61M2029/025A61M25/104
    • The present invention relates to a guide catheter system for guiding an angioplasty balloon catheter into a patient's vascular system. The guide catheter system includes a guide catheter and a distal guide catheter extension tube. The guide catheter constitutes an elongated tube, while the guide catheter extension constitutes a distal, smaller diameter extension for the guide catheter. The guide catheter extension is adapted to extend from the guide catheter to an extent possibly sufficient to reach the stenosis in a coronary artery. A fixed wire angioplasty balloon catheter is advanced through the guide catheter and guide catheter extension to the stenosis for treatment thereof. Efficient and easy exchange of the balloon catheter is achieved because the guide catheter extension remains in place when the balloon catheter is withdrawn proximally, so that a path remains to guide another balloon catheter to the stenosis for treatment thereof.
    • 本发明涉及一种用于将血管成形术气囊导管引导到患者的血管系统中的引导导管系统。 引导导管系统包括引导导管和远端引导导管延伸管。 引导导管构成细长管,而引导导管延伸部构成用于引导导管的远端较小直径的延伸部。 引导导管延伸部适于从导管延伸到可能足以达到冠状动脉狭窄的程度。 固定线血管成形术球囊导管通过引导导管前进并将导管延伸到狭窄处以进行治疗。 实现气球导管的高效和容易的更换,因为当气囊导管向近侧撤回时导向导管延伸部保持在适当的位置,使得路径保持导向另一个气囊导管至狭窄以进行治疗。
    • 18. 发明授权
    • Plural component mixing system and method
    • 多组分混合系统和方法
    • US4172457A
    • 1979-10-30
    • US839831
    • 1977-10-06
    • Pradip V. ChoksiKenneth R. MichaelWilliam H. Penny
    • Pradip V. ChoksiKenneth R. MichaelWilliam H. Penny
    • A61J1/00A61J1/20
    • A61J1/2096A61J1/2089A61J1/2041
    • A system for storing a dry powdered drug component and a liquid in separate containers and mixing them immediately prior to injection. The system has a hypodermic syringe with an axially slidable stopper, and the syringe is coupled to a rigid tubular housing with a low friction vacuum movable piston. Simple reciprocation of the syringe stopper with an attached plunger having a laterally extending thumb pad or other graspable slip resistant surface automatically reciprocates the housing's low friction piston and causes quick and complete turbulent mixing. There is no need to turn the device over and over in the operator's hands to alternately squeeze or push opposite ends of the device.
    • 用于将干粉状药物成分和液体储存在分开的容器中并在注射前立即混合的系统。 该系统具有带有可轴向滑动的塞子的皮下注射器,并且注射器联接到具有低摩擦真空可移动活塞的刚性管状壳体。 具有具有横向延伸的拇指垫或其他可抓握的防滑表面的附接柱塞的注射器止动器的简单往复运动自动使壳体的低摩擦活塞往复运动并引起快速和完全的湍流混合。 不需要在操作者的手中反复翻转设备,以交替挤压或推动设备的相对端。