Commercial Name: Atlas Gold Dilatation Catheter. Technical name: Columbus rev. Spacer Fémoral post.f6 15mm / Columbus rev. Spacer Fémoral post. f7 15mm. ANVISA registration number: 80136990668. Risk class: III. Model Affected: NR586K / NR587K. Serial numbers affected: Code NR586K: 51586634 and 51447596; Code NR587K: 51585136 and 51447597