Patent ID: 6212434
Filing Date: 2001-04-03
Classification: A61N

Abstract:
An apparatus comprising:a signal generator for producing pulses to apply to a heart;a main lead body adapted to carry signals to and from the heart;a first electrode having an active fixation portion, said main lead body having a first recess therein housing the first electrode, the first electrode capable of moving between a first recessed position within said first recess and a second extended position outside the first recess so that the active fixation portion of the first electrode can attach to a wall of the heart; anda second lead body associated with the main lead body, a second electrode disposed on the second lead body, the first electrode housed within a first chamber of the heart and the second electrode housed within a second chamber in the heart, the second electrode having an active fixation portion, said main lead body having a second recess therein housing the second electrode, the second lead body capable of moving between a first recessed position within said second recess and a second extended position outside the second recess so that the active fixation portion of the second electrode can attach to the wall of the heart.