FDA Device

Accuray CyberKnife System Medical Physicist, Robotic Radiosurgery System, Medical charged-particle radiation therapy system, Model: Iris Variable Aperture Collimator P/Ns 028986 and 031777. The CyberKnife System is indicated for radiation treatment.

Hazard

A defect on the master-side connector block of the pneumatic tool changer could introduce a tilt in the collimator housings, resulting in a potential shift to the central axis of the radiation beam. The issue could pose significant clinical impact to plans created using the smallest collimators.

What You Should Do

Remedy

On 3/19/13, an "Urgent Device Correction Letter" was distributed to all affected users, with a description of the problem and user corrective action steps. US customers can contact 1-877- 668-8667 if questions.

Products

Accuray CyberKnife System Medical Physicist, Robotic Radiosurgery System, Medical charged-particle radiation therapy system, Model: Iris Variable Aperture Collimator P/Ns 028986 and 031777. The CyberK
Brand
Accuray Incorporated
UPC
All units of these models.

Units Affected

176 units