Patent ID: 7515971

Claim:
A device to anchor a lead between a wall of a heart comprising: a lead having a head portion and a body portion, the head portion having a first body; a sensor coupled to the lead; and a set of arms coupled to the first body of the head portion, each of the arms having an elongated member extending outwardly from the first body, each of the arms having a first set of protrusions extending outwardly from the elongated member and a second set of protrusions extending outwardly from the elongated member, the first set of protrusions disposed proximal to the second set of protrusions, each of the arms moveable between a first position adjacent the body portion and a second position with the first set of protrusions adjacent the sensor, the first and second set of protrusions being inwardly arcuate when in the first position to conform with an outer surface of the body portion, the first and second set of protrusions being outwardly arcuate when in the second position, the first set of protrusions adapted to abut a first side of the wall of the heart and the second set of protrusions adapted to abut a second side of the wall of the heart when in the second position to secure the lead to the wall of the heart.