Patent ID: 7899556

Claim:
An apparatus, comprising: a semi-rigid frame configured to substantially envelop a portion of a limb, the frame including a retention portion including a plurality of elongated members configured to be radially spring-loaded towards a center of the frame such that when the frame is disposed about the portion of the limb movement of the frame relative to the limb is limited; a first layer coupled to an inner surface of the frame, an inner surface of the first layer including a first connector configured to couple a surface electrode to the first layer, the frame and the first layer collectively configured such that the surface electrode is disposed at a predetermined position of the portion of the limb when the frame and the first layer are collectively disposed about the portion of the limb; and a second layer configured to be reversibly coupled to the inner surface of the first layer, the second layer including a second connector configured to couple the surface electrode to the second layer.