NanoKnife Irreversible Electroporation System. System consists of multiple components: Generator, footswitch, disposable electrode. System is manufactured by AngioDynamics, Inc. --- Catalog #20300101 Intended use: the generator system with six outputs is indicated for surgical ablation of soft tissue.

Angiodynamics was marketing the NanoKnife System with the ablation zone estimator feature in the US without FDA clearance.

AngioDynamics sent an Urgent - Medical Device Correction letter dated December 15, 2011, to all affected customers. The letter identified the product, the problem, and the action to be taken by the customer. Customers were instructed not to use the User's Manual that was supplied with the generator when it was purchased. Instructions include discarding their current manual and troubleshooting guide. A replacement manual will be provided with the Field Safety Notice; the troubleshooting guide will not be replaced. Customers were instructed to complete the Reply Form and fax to AngioDynamics at 518-798-1360. If customers further distributed the affected product, they should inform those accounts of the field correction. Angiodynamics will also disable the AZE feature during a schedule service visit. For questions regarding this recall call 1-800-772-6446 or e-mail [email protected].