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    • 1. 发明申请
    • Hand-held ophthalmic device
    • 手持式眼科装置
    • US20060173314A1
    • 2006-08-03
    • US11189132
    • 2005-07-25
    • Paul LeblancNiels Andersen
    • Paul LeblancNiels Andersen
    • A61B8/00
    • A61B8/0858A61B3/1005A61B3/16A61B8/10
    • A hand-held pachymeter includes an ultrasonic probe capable of emitting ultrasonic pulses and capable of receiving echo signals of the ultrasonic pulses. The echo signals may include an echo signal from an anterior portion of a cornea of an eye and an echo signal from a posterior portion of the cornea. The hand-held pachymeter also includes a hand-held computing device and an expansion module that interfaces the probe to the hand-held computing device. The expansion module includes circuitry to produce digitized signals that correspond to the echo signals, and a memory which stores computer instructions to determine a thickness of the cornea based on the digitized signals. The computer instructions are executed by the hand-held computing device.
    • 手持式眼镜仪包括能够发射超声波脉冲并且能够接收超声波脉冲的回波信号的超声波探头。 回波信号可以包括来自眼睛角膜的前部的回波信号和来自角膜后部的回波信号。 手持式测速仪还包括手持式计算装置和将探针连接到手持式计算装置的扩展模块。 扩展模块包括用于产生对应于回波信号的数字化信号的电路,以及存储器,其存储基于数字化信号确定角膜厚度的计算机指令。 计算机指令由手持式计算装置执行。