An apparatus for medical treatment is provided, which can reduce the load of signal processing and allows the patient to recognize the state of his/her muscular contraction more easily. The apparatus for medical treatment being operatively coupled to at least one electrode adapted to be contacted to...http://www.google.com.au/patents/US6240315?utm_source=gb-gplus-sharePatent US6240315 - Electrical apparatus for medical treatment using EMG envelope signal
