Biomedical Instrumentation Systems

Application of Instrumentation Technology in Biomedical Field

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  • ECG Electrodes

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    John Mulindi
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    A typical flexible ECG electrode is composed of certain types of polymers or elastomers that are made electrically conductive by the addition of fine carbon or metal powder. These electrodes are available with pre-pasted AgCl gel for quick and easy application on the skin using double-sided peel off adhesive type. Related: Electrocardiogram (ECG) The common…

  • Features of Floating Type Biopotential Electrodes

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    John Mulindi
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    One key source of motion artifact in biopotential electrodes is the disturbance of the double layer of charge at the electrode-electrolyte interface. Employing non-polarizable electrodes like Ag/AgCl electrode can greatly reduce this artifact but it still can be present, and efforts to stabilize the interface mechanically can help to reduce the artifact further. Floating electrodes…

  • Types of Bioelectrodes

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    John Mulindi
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    Introduction Bioelectric events have to be picked up from the surface of the body before they can be put to the amplifier for subsequent record or display. This is done by use of electrodes. The potentials produced at different points are measured by placing electrodes at various points on the body. They carry the currents…