An elongated medical clip applying device having a handle grip assembly on a proximal end thereof and an elongated channel with a pair of squeezable jaws on a distal end thereof. In the receiver, a soft-insoft-out decoder is provided, at whose input and output soft values are processed as reliability information, i. The system further includes product identifiers for identifying manufactured products. A part may have a locking arm with a guide surface only on one side which produces the rotational movement during the displacement of the parts and bears against a complementary guide surface of the other part. The user can move the device relative to the artery until the feedback signal is given, and thus a correct positioning of the measuring unit relative to the artery is achieved in an easy manner.