Patent ID: 7424325

Claim:
A self-contained device for applying an electrical potential to a skin surface of a human body comprising: a) a piezoelectric element capable of generating an electrical potential in response to a mechanical stress or strain of said piezoelectric element caused by motion of a human body; b) an electrical circuit connected to said piezoelectric element for collection, storage or modification of said electrical potential; connected to c) at least two spaced-electrode means of opposite polarity for applying said electrical potential to a skin surface of a human body for transdermal administration of drugs, treatment of pathologies, electrocicatirization of wounds or injuries to promote healing, transcutaneous electrical nerve stimulation to relieve pain and other applications; d) said device being embedded in a fabric capable of being worn on a part of a human body selected from the neck, shoulder, elbow, wrist, hand, back, knee, ankle, chest, abdomen, penis, leg and foot, the piezoelectric element of said device being capable of being mechanically stressed or strained by motion of said part of the body, and the electrodes of said device capable of being in contact with a skin surface of a human body.