The Efficacy of the 4-channel Sequential NMES for the Treatment of Sleep Apnea

electrical stimulation at muscles which related with sleep apnea,. 4-channel NMES is the protocol that provides sequential electrical stimulation to Rt. suprahyoid m (channel 1), Lt.suprahyoid m (channel 2), bilateral thyrohyoid m (channel 3), and biltateral sternothyroid m (channel 4). At this time, channels 1 and 2 start to contract first and stimulate for 1200ms, and channel 3 starts stimulation 150ms after channels 1 and 2, and applies stimulation for 1050ms. Channel 4 starts stimulation 250ms after stimulation of channels 1 and 2 and stimulates it for 950 ms.