FDA Device

CyberKnife Robotic Radiosurgery System with 4D Planning procedure option of MultiPlan Treatment Planning System, versions 3.0, 3.1, 3.5.1, 3.5.2 and 3.5.3 with Ray-Tracing dose calculation. Accuray Incorporated, Sunnyvale, CA. Treatment planning and image guided stereotactic radiosurgery and precision radiotherapy of lesions, tumors and conditions anywhere in the body when radiation treatment is indicated.

Hazard

An anomaly was discovered during internal regression testing, where the dose information is displayed incorrectly during treatment planning during a specific workflow using the optional 4D Ray Tracing dose calculation algorithm. As a result, it is possible that the dose calculation will display a lower dose than the intended dose prescribed for treatment delivery.

What You Should Do

Remedy

Accuray sent an "URGENT DEVICE CORRECTION" letter dated January 16, 2012 to all affected customers. The letter describes the product, problem, and the actions to be taken by the customers. The letter provides a work around to prevent the issue from happening. Contact Accuray Customer Support at 1-877-668-8667for questions regarding this notice.

Products

CyberKnife Robotic Radiosurgery System with 4D Planning procedure option of MultiPlan Treatment Planning System, versions 3.0, 3.1, 3.5.1, 3.5.2 and 3.5.3 with Ray-Tracing dose calculation. Accuray In
Brand
Accuray Incorporated
UPC
Model number: P/N 025153

Units Affected

207