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FDA Medical Device Recalls (openFDA)

Siemens Medical Solutions USA, Inc: ARTISTE or ONCOR Digital Linear Accelerators with syngo RT Therapist version 4.2/MOSAIQ OIS Systems and Multiple-X, Manufactured by SIEMENS AG. The ARTISTE and ONCOR family of Linear Accelerators are used to deliver X-ray photon and electron radiation for the therapeutic treatment of cancer.

Recall number
Z-2073-2012
Recalling firm
Siemens Medical Solutions USA, Inc
Product
ARTISTE or ONCOR Digital Linear Accelerators with syngo RT Therapist version 4.2/MOSAIQ OIS Systems and Multiple-X, Manufactured by SIEMENS AG. The ARTISTE and ONCOR family of Linear Accelerators are used to deliver X-ray photon and electron radiation for the therapeutic treatment of cancer.
Status
Terminated
Initiated
2012-06-25
Posted
2012-07-24
Terminated
2012-10-18
Reason
Potential safety issue when using the IMMEDIATE RESUMPTION feature after a Control Console interlock during the delivery of flattening-filter-free (Multiple-X) beams or segments. In a very rare scenario, the RT Therapist will send again the previously completed beam or segment for delivery to the control console, thus repeating the already delivered Monitor Units of the same beam or segment.
Root cause
Software design
Action
The firm issued "Urgent: Medical Device Correction" letters delivered by the Siemens Customer Service Group or by certified mail to all its direct consignees, informing them of the affected product and providing instructions on the recall. The firm stated that release of this UI TH018/12/S to distribute the notifications began on June 25, 2012.
Quantity
18
Distribution
Worldwide Distribution, including the state of Florida (USA) and the countries of Germany, India, Poland, Thailand, and the Republic of Korea.
Lot, serial or model codes
ARTISTE, Part #: 08139789, ONCOR Avant Garde, Part #: 05863472, ONCOR Impression Plus, Part #: 05857912, ONCOR Expression, Part #: 07360717
510(k) numbers
["K103606"]
PMA numbers
not on file
Product code
IYE
Firm FEI
2937457
Firm city
Concord
Firm state
CA
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

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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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