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In this paper we have developed the multichannel surface electrode for the nerve conduction study in patients with neuromuscular disorder. As electrode material, we used PDMS (polydimethylsiloxane) which is flexible, biocompatible, non-toxic and non-flammable as substrate and silver ball as contacting electrode. Conducting gel was easily coatable on the electrode surface without causing interference of neighboring electrode. The signals measured from abductor pollicis brevis were noiseless and the clinical feasibility was evaluated by the quantitative investigation of the latencies of compound muscle action potentials in normal subject and patients with diabetes mellitus.