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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 Recall
XiO Radiation Treatment Planning System
see related information
Date Posted June 15, 2011
Recall Status1 Terminated on April 09, 2014
Recall Number Z-2568-2011
Recall Event ID 58215
Premarket Notification
510(K) Number
Product Classification System,Planning,Radiation Therapy Treatment - Product Code muj
Product XiO Radiation Treatment Planning System, XiO Release 4.3.0 through 4.50.00. Used to create treatment plans for any cancer patient for who external beam radiation therapy or brachytherapy has been prescribed.
Code Information XiO Release 4.3.0 through 4.50.00
Recalling Firm/
Computerized Medical Systems Inc
13723 Riverport Drive
Suite 100
Maryland Heights, Missouri 63043
For Additional Information Contact Christopher Ivicevich
Manufacturer Reason
for Recall
In XiO, when the beams are renumbered, it is possible to get into a state where the dose displayed for a beam does not match the beam placement on the patient. This can occur when dose is calculated, beams are renumbered, and the dose is re-summed only.
FDA Determined
Cause 2
DESIGN: Software Design
Action Computerized Medical Systems, Inc. sent an CUSTOMER ADVISORY letter dated May 2009, to all affected customers. The letter identified the product, the problem, and the action needed to be taken by the customer. Computerized Medical Systems, Inc have created "patches" to resolve the problem. A User Notice was sent in March 2011, to all users still using the affected software notifying them of the updated software available to correct the problem. This letter was sent by US Mail but no return receipt was included. For further questions, please call (408) 380-8023.
Quantity in Commerce 1116
Distribution Worldwide Distribution -- (USA) nationwide Distribution, including Puerto Rico, and countries of Albania, Algeria, Argentina, Australia, Austria, Azerbaijan, Bahamas, Belgium, Bolivia, Bosnia, Herzegovina, Brazil, Canada, Chile, China, Colombia, Costa Rica, Croatia, Cyprus, Czech Republic, Ecuador, Egypt, El Salvador, Estonia, France, Georgia, Germany, Greece, Guatemala, Hungary, India, Indonesia, Ireland, Israel, Italy, Japan, Kuwait, Libya, Lithuania, Malaysia, Malta, Mexico, Mongolia, Netherlands, New Zealand, Nicaragua, Philippines, Poland, Portugal, Qatar, Russia, Saudi Arabia, Serbia, Singapore, Slovakia, Slovenia, South Africa, South Korea, Spain, Sri Lanka, Sweden, Switzerland, Taiwan, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, Uruguay, Venezuela, Yemen, and Zimbabwe.
Total Product Life Cycle TPLC Device Report

1 For details about termination of a recall see Code of Federal Regulations (CFR) Title 21 §7.55
2 Per FDA policy, recall cause determinations are subject to modification up to the point of termination of the recall.
510(K) Database 510(K)s with Product Code = muj and Original Applicant = COMPUTERIZED MEDICAL SYSTEMS, INC.