Trade Name: Harmonic Ace Shears and Adaptive Tissue Technology. Technical Name: Electrosurgical Cable (Power greater than 50W). ANVISA registration number: 80145901455. Risk Class: III. Model affected: HAR23; HAR36. Affected Serial Numbers: Codes and batch numbers related to each code, for individually marketed affected products, and for kits containing affected products are shown in the Customer Letter attached to this Alert.