XiO Radiation Treatment Planning System, XiO Release 4.3.1 through 4.40.00. Used to create treatment plans for any cancer patient for who external beam radiation therapy or brachytherapy has been prescribed.
This recall has been terminated (originally issued June 15, 2011).
- Company
- Computerized Medical Systems Inc
- Recall Initiated
- December 9, 2008
- Posted
- June 15, 2011
- Terminated
- April 9, 2014
- Recall Number
- Z-2567-2011
- Quantity
- 784
- Firm Location
- Maryland Heights, MO
- Official Source
- View on FDA website ↗
Reason for Recall
XiO Software: Under certain conditions, when the port shape is altered, dose is not recalculated. The port-change flag is not being set correctly when the port shape is regenerated. The dose distribution will not match the blocking displayed and the mis-match might not be obvious. Monitor Unit calculations will also be based on an incorrect dose distribution. This problem has existed since Re
Distribution
Worldwide Distribution-- USA (nationwide) including Puerto Rico and countries of Albania, Algeria, Argentina, Australia, Austria, Azerbaijan, Bahamas, Belgium, Bolivia, Bosnia and Herzegovina, Brazil, Canada, Chile, China, Colombia, Costa Rica, Croatia, Czech Republic, Ecuador, Egypt, El Salvador, Estonia, France, Georgia, Germany, Greece, Guatemala, Hungary, India, Indonesia, Israel, Italy, Japan, Libya, Lithuania, Malaysia, Mexico, Mongolia, Netherlands, New Zealand, Nicaragua, Philippines, Poland, Portugal, Qatar, Russia, Saudi Arabia, Serbia, Singapore, South Africa, South Korea, Spain, Sri Lanka, Sweden, Switzerland, Tajikistan, Thailand, Turkey, Ukraine, United Kingdom, Uruguay, Venezuela, Yemen, and Zimbabwe.
Lot / Code Info
XiO Release 4.3.1 through 4.40.00. All lot or serial numbers.
Root Cause
Software design
Action Taken
Computerized Medical Systems, Inc. sent a "XiO CUSTOMER ADVISORY" letter dated December 8, 2008 to all affected customers. The advisory describes the product, problem, and the actions to be taken. The customers were instructed to set the prompt to "Yes" to avoid the problem from occurring according to written instructions provided in the advisory. This problem has existed since Release 4.3.1 and is expected to be resolved with XiO Release 4.50.00. Questions should be directed to the manufacturer's representative at 408-830-8023.