ClearanceBrief
Recall Z-2561-2011 ยท MUJ System, Planning, Radiation Therapy Treatment

Computerized Medical Systems Inc

Monaco Radiation Treatment Planning Workstation. Monaco Release 2.03.00 and above. The Monaco RTP system is used to create treatment plans for any cancer patient for whom external beam intensity modulated radiation therapy (IMRT) has been prescribed.

DateJun 14, 2011 (initiated Jan 13, 2011)
StatusTerminated
ReasonMonaco: For VMAT plans, the measured dose of radiation delivered is lower than the software calculated dose by about 5% in Monaco Release 2.03.00 and 2.04.00.
Root causeSoftware design
ActionComputerized Medical Systems, Inc. sent a "USER NOTICE" on January 13, 2011, to all affected users. This notice identified the product, the problem, and the action needed to be taken by the customer. A return postcard is included for the customer to confirm receipt of the user notification. The firm intends for correction in the dose calulation engine to appear in the Monaco Release 3.00 in March 2011. Any further questions please call (403) 830-8023.
Quantity94
DistributionWorldwide Distribution-- USA (nationwide) and countries of Austria, Australia, Belarus, Canada, China, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, India, Israel, Italy, Japan, Mexico, Netherlands, Poland, Singapore, Slovenia, South Korea, Spain, Switzerland, Taiwan, T
FDA recordOpen on fda.gov

510(k) clearances named in this recall

K071938MONACO RTP SYSTEM
Computerized Medical Systems, Inc., Oct 1, 2007
K091179MONACO RTP SYSTEM, VMAT OPTION
Computerized Medical Systems, Inc., Jul 16, 2009