Biomedical signal analog instrument
A biomedical and simulator technology, applied in the field of biomedical signal simulators, can solve the problems of single signal output, no good human-computer interaction interface, and single control method, so as to reduce interference signals, improve human-computer interaction functions, and improve The effect of authenticity and accuracy
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[0020] An embodiment of a biomedical signal simulator, see figure 1 , figure 2 , image 3 , Figure 4 with Figure 5 The simulator includes a central processing unit 101 and an analog signal output circuit, the central processing unit is connected to the analog signal output circuit through a single-chip 102 (model LPC2136), the single-chip includes a D / A conversion output 102-1, wherein The analog signal output circuit includes: an ECG data simulation circuit 103, a breathing data simulation circuit 104, an invasive blood pressure data (IBP data) simulation circuit 105, and a body temperature data simulation circuit 106; among them, the central processing unit described in this embodiment It is an ARM9TDMI processor. The simulator surrounds the central processing unit and connects LCD touch screen 107, memory, clock generator and APB bus 108 (Advanced Peripheral Bus). The single-chip microcomputer is connected to the central processing unit through the serial port 109 connecte...
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