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FDA Medical Device Recalls (openFDA)

Elekta Inc: Monaco Radiation Treatment Planning System (RTP) System

Recall number
Z-0670-2020
Recalling firm
Elekta Inc
Product
Monaco Radiation Treatment Planning System (RTP) System
Status
Open, Classified
Initiated
2019-11-22
Posted
not on file
Terminated
not on file
Reason
Monaco is using the incorrect energy when optimizing and calculating dose.
Root cause
Software Design Change
Action
An Important Field Safety Notification letter is being emailed to affected customers beginning 11/22/2019. The letter identifies affected product, provides a description of the problem, and recommends user not use multiple energies within the same plan until a software fix has been applied to the device. A response form was asked to be returned. Affected customers are advised to contact local Elekta service teams for questions.
Quantity
76 (7 US, 69 OUS)
Distribution
IA, IN, NY, OH, TX, WI. Internationally distributed to: Australia, Canada, China, Denmark, Germany, Greece, Hong Kong, Italy, Netherlands, Sweden, Switzerland, United Kingdom.
Lot, serial or model codes
Software Builds: 5.40.00, 5.50.00 and 5.51.00. UDI GTIN: (01)00858164002190(10) 5.40.00, (01)00858164002244(10) 5.50.00, and (01)00858164002268(10) 5.51.00
510(k) numbers
["K183037","K190178"]
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
Size
288210821 bytes
Published
2026-09-28
Read
2026-09-29T08:25:23.626Z
Source file
Source file retained · verify
Refresh due
2026-10-06

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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