Centralized control method of medical equipment in digital operating room
Digital operating room is of great significance for improving the quality and efficiency of surgery, and designing and realizing the centralized control of various medical equipments in the operating room is the focus and difficulty of the construction of the digital operating room; for the existing medical equipments of the operating room in the country there is generally a wide range of types of medical equipments, and there are big differences in the design of the hardware of the control panels, and the centralized control is For the existing medical equipment in the operating room, there are many kinds of medical equipment, the hardware design of control panel is different, and the centralized control is not easy to realize, etc. Adopting the hardware architecture of MCU+CPLD and communicating through CAN bus, the centralized control system for medical equipment is designed, which realizes the centralized control of many kinds of medical equipment including operating bed, high-frequency electrosurgical knife, shadowless lamp, endoscope, etc. The test results show that the system operates stably, is safe, reliable and easy to operate.
Difficulties faced by centralized control of equipment
(1) Compatibility of centralized control of equipment. In the existing operating room, a wide variety of medical equipment, a variety of equipment control panel differences. The number of panel keys and keyboard work (including independent keyboards and matrix keyboards) are different, the panel instructions (including LED lights, seven-segment digital tube, etc.) are also different. And most of the existing operating room equipment are independent units, there is no external unified communication interface.
(2) the security and reliability of centralized control. Centralized control of the quality of communication is directly related to the safety and efficiency of the operation, due to the limited space in the operating room, electrical equipment, which requires the master control workstation and the controlled equipment between the communication should be timely, accurate and reliable, strong anti-interference ability. So the realization of centralized control of medical equipment in the operating room has certain difficulties.
Equipment centralized control solutions
Design of medical equipment centralized control interface module, embedded in the medical equipment end, the equipment's own hardware system does not need to make changes, only the signal line of the operating panel to the interface module, you can through the centralized control system and centralized control of the host computer to carry on the interconnection and communication. The hardware of the centralized control interface module adopts the structure of MCU+CPLD, and the communication adopts CAN bus protocol. Microcontroller as MCU, through the CAN bus protocol to realize the communication function with the control host, real-time reception of the main control machine's operating signals and feedback to the device display data.