ClearanceBrief
Recall Z-1655-2010 ยท MUJ System, Planning, Radiation Therapy Treatment

Computerized Medical Systems Inc

Elekta XiO Radiation Treatment Planning System

DateMay 26, 2010 (initiated Apr 15, 2010)
StatusTerminated
ReasonUnder certain circumstances, XiO will over-estimate dose in the region where the backup jaw is inside the MLC opening
Root causeSoftware design
ActionElekta issued an undated "Important Safety Notice" to all affected sites via e-mail on 4/20/2010. The notice was also sent to the sites on 4/6/10 and 4/12/10 (for 4 sites) before the firm made the decision to recall. The letter explains the correct functioning of the system, the problem, when and why it occurs, the clinical impact, and the work around. Although not stated in the Safety Notice, a self-addressed postcard was enclosed for the customer to return as evidence they received and understood the notice. Sites that do not return the card will be contacted by phone.
QuantityThe release is being used by 34 customers that also have an Elekta linear accelerator
DistributionWorldwide Distribution: USA, Canada, Australia, Spain, Italy, the Netherlands, United Kingdom, Taiwan, Malaysia, France, Ireland, and Israel.
FDA recordOpen on fda.gov

510(k) clearances named in this recall

K092132XIO RTP SYSTEM
Computerized Medical Systems, Inc., Sep 24, 2009