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    • 2. 发明申请
    • INTERFACE DEVICE AND METHOD FOR INTERFACING INSTRUMENTS TO VASCULAR ACCESS SIMULATION SYSTEMS
    • 用于将仪器连接到血管通路模拟系统的界面装置和方法
    • WO9939315A2
    • 1999-08-05
    • PCT/US9901822
    • 1999-01-28
    • HT MEDICAL SYSTEMS INCCUNNINGHAM RICHARD LFELDMAN PHILIPFELDMAN BENMERRIL GREGORY L
    • CUNNINGHAM RICHARD LFELDMAN PHILIPFELDMAN BENMERRIL GREGORY L
    • G09B9/00A61M1/02A61M5/00G06Q50/00G09B23/28G09B
    • G09B23/285G09B23/28G09B23/30
    • An interface device and method for interfacing instruments to a vascular access simulation system serve to interface peripherals in the form of mock or actual medical instruments to the simulation system to enable simulation of medical procedures. The interface device includes a catheter unit assembly for receiving a catheter needle assembly, and a skin traction mechanism to simulate placing skin in traction or manipulating other anatomical sites for performing a medical procedure. The catheter needle assembly and skin traction mechanism are manipulated by a user during a medical procedure. The catheter unit assembly includes a base, a housing, a bearing assembly and a shaft that receives the catheter needle assembly. The bearing assembly enables translation of the catheter needle assembly, and includes bearings that enable the shaft to translate in accordance with manipulation of the catheter needle assembly. The shaft typically includes an encoder to measure translational motion of a needle of the catheter needle assembly, while the interface device further includes encoders to measure manipulation of the catheter needle assembly in various degrees of freedom (e.g., translation, pitch and yaw) and the skin traction mechanism. Alternatively, the shaft may include an additional encoder to measure translational motion of an instrument inserted through the catheter needle assembly. The simulation system receives measurements from the interface device encoders and updates the simulation and display, while providing control signals to the force feedback device to enable application of force feedback to the catheter needle assembly.
    • 用于将仪器连接到血管通路模拟系统的接口装置和方法用于将模拟或实际医疗仪器形式的外围设备连接到模拟系统,以便模拟医疗程序。 接口装置包括用于接收导管针组件的导管单元组件和用于模拟将皮肤放置在牵引中或操纵其他解剖部位进行医疗程序的皮肤牵引机构。 导管针组件和皮肤牵引机构在医疗过程中由使用者操纵。 导管单元组件包括接收导管针组件的基座,壳体,轴承组件和轴。 轴承组件使得能够平移导管针组件,并且包括使得轴能够根据导管针组件的操纵而平移的轴承。 轴通常包括用于测量导管针组件的针的平移运动的编码器,而接口装置还包括用于以不同的自由度(例如,平移,俯仰和偏航)测量导管针组件的操纵的编码器,并且 皮肤牵引机构。 或者,轴可以包括用于测量插入穿过导管针组件的器械的平移运动的附加编码器。 模拟系统从接口设备编码器接收测量值并更新模拟和显示,同时向力反馈装置提供控制信号,以便能够向导管针组件施加力反馈。