#$%^&*AU2011205114B220150709.pdf#####- 15 ABSTRACT A method includes, while an operator of an elongated probe, having proximal and distal ends, manipulates the proximal end so as to move the distal end within a 5 body of a patient, automatically measuring a cumulative angle of rotation that is applied by the operator to the proximal end. An indication of the cumulative angle of rotation is presented to the operator. 10 O/0/ll 119369 speci.doc.151/2 CN IL 00 C) C