Fatigue testing system for prosthetic devices
    2.
    发明授权
    Fatigue testing system for prosthetic devices 有权
    假体装置疲劳试验系统

    公开(公告)号:US08627708B2

    公开(公告)日:2014-01-14

    申请号:US12718316

    申请日:2010-03-05

    IPC分类号: G01M3/02

    摘要: A fatigue testing system provides simultaneous cycle testing for a plurality of prosthetic devices under simulated physiological loading conditions. A plurality of sample holders containing test samples of prosthetic devices is positioned between a distribution chamber and a return fluid chamber to form an integrated test chamber. A reciprocating linear drive motor operates a rolling bellows diaphragm to cyclically pressurize fluid within the test chamber and drive the pressurized fluid through the prosthetic devices being tested. The test chamber defines a return flow conduit in fluid communication with each of the sample holders, the return fluid chamber, and the distribution chamber. Compliance chambers and throttle valves associated with each of the sample holders regulate the pressure gradient and back pressure across the prosthetic devices being tested.

    摘要翻译: 疲劳测试系统在模拟的生理负载条件下为多个假肢装置提供同时的周期测试。 包含假体装置的测试样本的多个样本保持器位于分配室和返回流体室之间,以形成集成的测试室。 往复式线性驱动马达操作滚动式波纹管隔膜以周期性地加压测试室内的流体并驱动加压流体穿过所测试的假体装置。 测试室限定与每个样品保持器,返回流体室和分配室流体连通的回流管道。 与每个样品保持器相关联的合规室和节流阀调节穿过所测试的假体装置的压力梯度和背压。

    Fatigue Testing System for Prosthetic Devices
    3.
    发明申请
    Fatigue Testing System for Prosthetic Devices 有权
    假体装置疲劳试验系统

    公开(公告)号:US20110132073A1

    公开(公告)日:2011-06-09

    申请号:US13027507

    申请日:2011-02-15

    IPC分类号: G01M3/00

    摘要: A fatigue testing system provides simultaneous cycle testing for a plurality of prosthetic devices under simulated physiological loading conditions. A plurality of sample holders containing test samples of prosthetic devices is positioned between a distribution chamber and a return fluid chamber to form an integrated test chamber. A reciprocating linear drive motor operates a rolling bellows diaphragm to cyclically pressurize fluid within the test chamber and drive the pressurized fluid through the prosthetic devices being tested. The test chamber defines a return flow conduit in fluid communication with each of the sample holders, the return fluid chamber, and the distribution chamber. Compliance chambers and throttle valves associated with each of the sample holders regulate the pressure gradient and back pressure across the prosthetic devices being tested.

    摘要翻译: 疲劳测试系统在模拟的生理负载条件下为多个假肢装置提供同时的周期测试。 包含假体装置的测试样本的多个样本保持器位于分配室和返回流体室之间,以形成集成的测试室。 往复式线性驱动马达操作滚动式波纹管隔膜以周期性地加压测试室内的流体并驱动加压流体穿过所测试的假体装置。 测试室限定与每个样品保持器,返回流体室和分配室流体连通的回流管道。 与每个样品保持器相关联的合规室和节流阀调节穿过所测试的假体装置的压力梯度和背压。

    Fatigue testing system for prosthetic devices
    4.
    发明申请
    Fatigue testing system for prosthetic devices 有权
    假体装置疲劳试验系统

    公开(公告)号:US20100225478A1

    公开(公告)日:2010-09-09

    申请号:US12718316

    申请日:2010-03-05

    IPC分类号: G08B21/00 G01M3/00

    摘要: A fatigue testing system provides simultaneous cycle testing for a plurality of prosthetic devices under simulated physiological loading conditions. A plurality of sample holders containing test samples of prosthetic devices is positioned between a distribution chamber and a return fluid chamber to form an integrated test chamber. A reciprocating linear drive motor operates a rolling bellows diaphragm to cyclically pressurize fluid within the test chamber and drive the pressurized fluid through the prosthetic devices being tested. The test chamber defines a return flow conduit in fluid communication with each of the sample holders, the return fluid chamber, and the distribution chamber. Compliance chambers and throttle valves associated with each of the sample holders regulate the pressure gradient and back pressure across the prosthetic devices being tested.

    摘要翻译: 疲劳测试系统在模拟的生理负载条件下为多个假肢装置提供同时的周期测试。 包含假体装置的测试样本的多个样本保持器位于分配室和返回流体室之间,以形成集成的测试室。 往复式线性驱动马达操作滚动式波纹管隔膜以周期性地加压测试室内的流体并驱动加压流体穿过所测试的假体装置。 测试室限定与每个样品保持器,返回流体室和分配室流体连通的回流管道。 与每个样品保持器相关联的合规室和节流阀调节穿过所测试的假体装置的压力梯度和背压。

    Fatigue evaluation of prostheses by radial excitation of tubular structures
    5.
    发明申请
    Fatigue evaluation of prostheses by radial excitation of tubular structures 有权
    通过管状结构的径向激发对假体的疲劳评估

    公开(公告)号:US20110146385A1

    公开(公告)日:2011-06-23

    申请号:US12975772

    申请日:2010-12-22

    IPC分类号: G01N3/32

    摘要: Prostheses are fatigue tested using an apparatus under simulated physiological loading conditions. A fluid housing defines an entrance chamber having fluid outflow ports and an exit chamber having opposing fluid inflow ports and a central flow conduit in communication with the entrance chamber and the exit chamber. A plurality of housing tubes into which prosthesis are deployed may extend between the fluid outflow and inflow ports. Alternatively, tubular prostheses may be connected directly between the inflow and outflow ports. A reciprocating linear drive pump having a flexible diaphragm is provided to cyclically pressurize fluid through a common closed loop within the fluid housing and drive the pressurized fluid through the prosthesis being tested. The test system is capable of rotation independent of the motor drive for accurate diameter measurements of all test samples at elevated frequencies.

    摘要翻译: 使用模拟生理负荷条件下的装置对假体进行疲劳试验。 流体壳体限定具有流体流出端口的入口室和具有相对的流体流入口的出口室和与入口室和出口室连通的中心流动管道。 假体部署在其中的多个外壳管可以在流体流出口和流入口之间延伸。 或者,管状假体可以直接连接在流入口和流出口之间。 提供具有柔性隔膜的往复式线性驱动泵,以通过流体外壳内的公共闭环循环地加压流体,并驱动加压流体穿过被测假体。 测试系统能够独立于电机驱动器进行旋转,以便在高频下对所有测试样品进行精确的直径测量。

    Fatigue evaluation of prostheses by radial excitation of tubular structures
    6.
    发明授权
    Fatigue evaluation of prostheses by radial excitation of tubular structures 有权
    通过管状结构的径向激发对假体的疲劳评估

    公开(公告)号:US08490504B2

    公开(公告)日:2013-07-23

    申请号:US12975772

    申请日:2010-12-22

    IPC分类号: G01N3/36

    摘要: Prostheses are fatigue tested using an apparatus under simulated physiological loading conditions. A fluid housing defines an entrance chamber having fluid outflow ports and an exit chamber having opposing fluid inflow ports and a central flow conduit in communication with the entrance chamber and the exit chamber. A plurality of housing tubes into which prosthesis are deployed may extend between the fluid outflow and inflow ports. Alternatively, tubular prostheses may be connected directly between the inflow and outflow ports. A reciprocating linear drive pump having a flexible diaphragm is provided to cyclically pressurize fluid through a common closed loop within the fluid housing and drive the pressurized fluid through the prosthesis being tested. The test system is capable of rotation independent of the motor drive for accurate diameter measurements of all test samples at elevated frequencies.

    摘要翻译: 使用模拟生理负荷条件下的装置对假体进行疲劳试验。 流体壳体限定具有流体流出端口的入口室和具有相对的流体流入口的出口室和与入口室和出口室连通的中心流动管道。 假体部署在其中的多个外壳管可以在流体流出口和流入口之间延伸。 或者,管状假体可以直接连接在流入口和流出口之间。 提供具有柔性隔膜的往复式线性驱动泵,以通过流体外壳内的公共闭环循环地加压流体,并驱动加压流体穿过被测假体。 测试系统能够独立于电机驱动器进行旋转,以便在高频下对所有测试样品进行精确的直径测量。

    Switch mechanisms for safe activation of energy on an electrosurgical instrument
    10.
    发明授权
    Switch mechanisms for safe activation of energy on an electrosurgical instrument 有权
    电外科仪器上能量安全激活的切换机制

    公开(公告)号:US07837685B2

    公开(公告)日:2010-11-23

    申请号:US11180949

    申请日:2005-07-13

    IPC分类号: A61B18/14

    摘要: Various safe switching mechanisms are provided for use with electrosurgical instruments which prevent arcing between the high-energy contacts as the high-energy source is activated. The switching mechanisms generally include a pair of high-energy contacts and a pair of activation contacts. An actuator is provided which initially engages the high-energy contacts in advance of engagement of the activation contacts to prevent arcing and subsequently disengages the activation contacts in advance of the high-energy contacts as the energy source is deactivated. A method of switching power to an electrosurgical instrument while avoiding damage to high-energy contacts is also disclosed.

    摘要翻译: 提供了各种安全切换机构,用于电外科器械,当高能量源被激活时防止高能量接触之间的电弧。 开关机构通常包括一对高能触点和一对激活触点。 提供了致动器,其在启动触头的接合之前最初接合高能触点,以防止电弧,并且随着能量源被去激活而在高能触点之前脱离激活触点。 还公开了一种将电力切换到电外科器械同时避免对高能量接触的损害的方法。