Improving muscle tone

Details Improving muscle tone Improving muscle tone

A - Human Necessities

61

N

A61N 1/32 (2006.01) A61N 1/36 (2006.01)

Patent

CA 2109429

2109429 9318820 PCTABS00025 An apparatus for and a method of improving the muscle tone of a patient using chronic subthreshold electrical stimulation. For patients suffering from obstructive sleep apnea, for example, the muscles of the upper airway are stimulated to mitigate or prevent the adverse medical condition, caused, in part, by excessively flaccid muscle tissue around and in the airway. A stimulation generator (160) supplies pulses to the muscle to be treated through insulated leads (66-72), which are coupled to electrodes directly in contact with the appropriate neuromuscular tissue. The output of the stimulation generator is adjusted to an amplitude of sufficiently low level as to prevent fused tetanic contraction of the stimulated muscle. The adjustment may be made manually or automatically using electrodes to sense the tension of the stimulated muscle. In the automatic mode, the sensing system insures the stimulation level is decreased below the threshold of muscle tetanus. Stimulation may be accomplished at a particular site or may be multiplexed to a number of sites. Chronic stimulation will enhance muscle tone to an individual degree and then will simply maintain the desired status.

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