Patent ID: 9737701
Date: 2017-08-22
CPC Classifications: A61B,A61N

Claim:
1. An electrode comprising: a conductive element; and a hydrogel covering at least a portion of a surface of the conductive element, the conductive element and the hydrogel having a combined AC large signal impedance of about 1 Ohm to about 3 Ohms as tested in accordance with the method of the ANSI/AAMI DF80: 2003 medical electrical equipment standard for the safety of cardiac defibrillators, the hydrogel not resulting in significant skin irritation on a human subject as tested in accordance with the method of ANSI/AAMI/ISO standard 10993-1 after a period of at least about one week, the electrode being disposed in an electrode patch, the electrode patch comprising an adhesive film layer configured to substantially surround the conductive element and adhere to skin of the subject, the electrode being laterally movable in a plane of the electrode patch and relative to one or more other electrodes disposed in the electrode patch.