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FDA Medical Device Recalls (openFDA)

Elekta Inc: Monaco RTP System. Used to make treatment plans for patients with prescriptions for external beam radiation therapy.

Recall number
Z-1233-2023
Recalling firm
Elekta Inc
Product
Monaco RTP System. Used to make treatment plans for patients with prescriptions for external beam radiation therapy.
Status
Open, Classified
Initiated
2023-02-28
Posted
2023-03-08
Terminated
not on file
Reason
Re-optimization, after adding contours without forced density outside the external structure, may result in inaccurate dose presentation.
Root cause
Software design
Action
Elekta notified consignees of the issue on 02/28/2023 via email. Consignees were instructed to contact Elekta Care Support if assistance is needed to identify affected patients, post the recall information in a place accessible to all users until the action is complete, and complete and return the Important Field Safety Notice Acknowledgement form. Additionally, the issue is corrected in Monaco releases 5.40 and above. If you are running a 5.11.xx version, please contact Elekta Care Support to upgrade to a newer software version.
Quantity
2,020 units
Distribution
Nationwide distribution in the US. International distribution to Albania, Algeria, Antigua and Barbuda, Argentina, Australia, Austria, Bahrain, Bangladesh, Belarus, Belgium, Bolivia, Bosnia and Herzegowina, Botswana, Brazil, Bulgaria, Canada, Chile, China, Colombia, Croatia, Cuba, Curacao, Cyprus, Czech Republic, Ecuador, Egypt, El Salvador, Estonia, Finland, France, Georgia, Germany, Ghana, Greece, Hong Kong, Hungary, India, Indonesia, Iran (Islamic Republic of), Iraq, Ireland, Israel, Italy, Japan, Jordan, Kazakhstan, Korea, Republic of, Lao People's Democratic Republic, Latvia, Lebanon, Libyan Arab Jamahiriya, Lithuania, Macedonia, Malaysia, Malta, Mexico, Morocco, Mozambique, Myanmar, Namibia, Nepal, Netherlands, New Zealand, Nicaragua, Nigeria, Norway, Pakistan, Palestinian Territory, Occupied, Panama, Paraguay, Peru, Philippines, Poland, Portugal, Republic of Serbia, Romania, Russian Federation, Rwanda, Saudi Arabia, Senegal, Singapore, Slovakia, Slovenia, South Africa, Spain, Sri Lanka, Sudan, Suriname, Sweden, Switzerland, Taiwan, Thailand, Tunisia, Turkey, Ukraine, United Arab Emirates, United Kingdom, Uzbekistan, Venezuela, Viet Nam, Zimbabwe.
Lot, serial or model codes
Software Build: 5.11.00, 5.11.01, 5.11.02, 5.11.03; UDI Numbers: (01)00858164002169(10)5.11.00, (01)00858164002169(10)5.11.01, (01)00858164002169(10)5.11.02, (01)00858164002169(10)5.11.03
510(k) numbers
["K151233"]
PMA numbers
not on file
Product code
MUJ
Firm FEI
1937649
Firm city
Saint Charles
Firm state
MO
Firm country
not on file

Where this comes from

Register
FDA Medical Device Recalls (openFDA)
Publisher
U.S. Food and Drug Administration (openFDA)
File
device-recall-0001-of-0001.json.zip
sha256
b87518bfe2e8
Published
2026-09-28
Read
2026-09-29T08:25:23.626Z

Unless otherwise noted, the content, data, documentation, code, and related materials on openFDA is public domain and made available with a Creative Commons CC0 1.0 Universal dedication.

Cite as

FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28

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