脚踏开关的PC接口与控制技术

目的：利用脚踏开关远距离脚踏控制PC进行医疗图像采集。方法：脚踏开关通过9针串口与PC连接，并由软件编程实现控制PC．软件由VC＋＋6．0在Windows2000操作系统中编程实现。结果：顺利实现了脚踏开关控制PC进行医疗图像的采集。结论：脚踏开关具有脚踏控制和控制距离远等优势，可节省人力，同时可保持图像采集的实时性与精确性。该方法技术可应用于各类医学影像设备（如CT、X线机、造影机、超声仪、内窥镜等）的图像采集工作站中。

PC Interface and Control Technology of Foot Switch

Objective To realize foot switch long-distance control of PC for medical image acquisition. Methods The foot switch was connected with PC through RS232 DB9 port, and the software was programmed by Microsoft Visual C++6.0 on Windows 2000 operating system. Results Foot switch control of PC was successfully achieved in acquiring medical images. Conclusion The foot switch has the advantages of long-distance and foot control of PC. It not only saves manpower but ensures the accuracy and real time of images acquired. This method can be applied to image acquisition workstations for medical equipments such as CT apparatus, X-ray apparatus, Ultrasound apparatus, Endoscope apparatus and so on.