Patent ID: 7238163

Claim:
A treatment device for a user's hand and/or wrist, the treatment device comprising: a housing having a surface defined at least partially by a membrane adapted for placement against the user's hand and/or wrist, wherein separate portions of a major surface of the membrane are independently supported such that the separate portions can be depressed in varying amounts depending on a shape of the user's hand and/or wrist when the treatment device is positioned with the membrane against the user's hand and/or wrist; a plurality of rollers disposed in the housing proximate to the membrane, at least two of the plurality of rollers being independently supported in the housing and independently biased toward the membrane, each of the at least two of the plurality of rollers are biased by at least one elastic member, wherein each of the at least two of the plurality of rollers have an axle with first and second ends rotatably supported in the housing, each of the first and second ends being located in separate grooves in the housing with an elastic member positioned in each of the separate grooves to bias the axle generally toward the membrane.