Key Points to Note when using a Biomedical Instrumentation System

In most of the medical instrumentation systems, some calibration is necessary at regular intervals during their operation. The calibration signal is applied to the sensor input or as early in the signal processing chain as possible.

In many measurement applications in the medical field, some form of stimulus or energy is given to the patient and the effect it has on the patient is measured. This stimulus can be visual in the form of flash or light or stimulation of some part of the nervous system.

You can also read: Basics of Biomedical Instrumentation Systems

In some situations, automatic control of the transducer, stimulus or signal conditioning part of the system may be required. This is achieved by using a feedback loop in which part of the output from the signal conditioning or a display device is fed back to the input stage. Note, the control and feedback may be automatic or manual.

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