Patent ID: 7875028
Filing Date: 2011-01-25
Classification: A61B

Abstract:
1. An ablation device for ablating target tissue adjacent pulmonary veins of a patient, the ablation device comprising: a hinge including a cam assembly, the cam assembly including at least one rider and at least one finger; a moving arm coupled to the hinge, the moving arm including a cam surface that engages the at least one rider; a floating jaw coupled to the moving arm, the at least one finger engaging the floating jaw to hold the floating jaw in a first position with respect to the moving arm as the floating jaw is moved from an open position partially toward a closed position, the floating jaw including a first electrode that receives ablation energy; and a lower jaw coupled to the hinge, the lower jaw including a channel that receives the at least one finger, the channel allowing the floating jaw to move to a second position that is reoriented with respect to the moving arm after partial closing of the floating jaw from an open position toward a closed position, the lower jaw including a second electrode that receives ablation energy.