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Terminated

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.

FDA Recall Z-2567-2011 · Posted 2011-06-15

Recalling FirmComputerized Medical Systems Inc
Recall StatusTerminated
Product CodeMUJ
Date Initiated2008-12-09
Date Terminated2014-04-09
Product Quantity784

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

Firm Action

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.

Root Cause

Software design

Distribution Pattern

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.

Related FDA 510(k) Records

Devices referenced by this recall via K-numbers.

K092132XIO RTP SYSTEMComputerized Medical Systems, Inc. · 2009-09-24

Official Source

View FDA Recall →

Source: FDA Enforcement Report / Recall database. Always confirm against the official FDA record.

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