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U.S. Department of Health and Human Services

Class 2 Device Recall XiO Radiation Treatment Planning System

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  Class 2 Device Recall XiO Radiation Treatment Planning System see related information
Date Initiated by Firm November 16, 2010
Date Posted June 17, 2011
Recall Status1 Terminated 3 on April 03, 2014
Recall Number Z-2582-2011
Recall Event ID 57807
510(K)Number K102216  
Product Classification System, planning, radiation therapy treatment - Product Code MUJ
Product XiO Radiation Treatment Planning System. XiO Release 4.50.00 and above

Used to create treatment plans for any cancer patient for who external beam radiation therapy of brachytherapy has been prescribed.
Code Information Release 4.50 and higher
Recalling Firm/
Computerized Medical Systems Inc
13723 Riverport Drive
Suite 100
Maryland Heights MO 63043
For Additional Information Contact Christopher Ivicevich
Manufacturer Reason
for Recall
XiO: When a new electron beam is added to a plan, the calculation Algorithm is set to Pencil Beam, and an Aperture is added to the beam, the user can select Port-Port Properties and edit the Material Thickness values. If the algorithm is then changed to Monte Carlo, the calculation will proceed and the user is not warned the Material/Thickness values just entered are not used in the dose calculati
FDA Determined
Cause 2
Action Elekta CMS Software drafted a User Notice which explains the reason for correction, the clinical impact, and the workaround method. The User Notice was distributed to all affected sites in November 2010. The issue will be resolved in the XiO Release 4.70.00, expected to be available in July 2011.
Quantity in Commerce 556
Distribution Worldwide Distribution - USA (nationwide, Washington, DC and Puerto Rico and the countries of Albania, Algeria, Australia, Austria, Bahamas, Belarus, Belgium, Brazil, Canada, Chile, China,Croatia, Cyrus, Czech Republic, Ecuador, Egypt, Estonia, Finland, France, Germany, Greece, Guatemala, Hong Kong, Hungary, India, Ireland, Israel, Italy, Japan, Kuwait, Latvia, Libya, Lithuania, Malaysia, Malta, Mexico, Morocco, Netherlands, New Zealand, Phillipines,Poland, Portugal, Romoania, Russia, Serbia, Singapore, Slovakia, Slovenia, South Africa, South Korea, Spain, Suriname, Switzerland, Taiwan, Thailand, Turkey, Turmenistan, Ukraine, United Kingdom, and Vietnam
Total Product Life Cycle TPLC Device Report

1 A record in this database is created when a firm initiates a correction or removal action. The record is updated if the FDA identifies a violation and classifies the action as a recall, and it is updated for a final time when the recall is terminated. Learn more about medical device recalls.
2 Per FDA policy, recall cause determinations are subject to modification up to the point of termination of the recall.
3 For details about termination of a recall see Code of Federal Regulations (CFR) Title 21 §7.55.
510(K) Database 510(K)s with Product Code = MUJ and Original Applicant = COMPUTERIZED MEDICAL SYSTEMS, INC.