Siemens Medical Solutions USA, Inc Siemens Linear Medical Accelerators equipped with COHERENCE Therapist R2.1 and Primeview 3 i R 2.1. Part numbers 5863506, 7339125, 7341410, 7341428, 7345411, 7345429, 7345437, 8139839, 8139847, 8147667, and 8147675 Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Siemens Linear Medical Accelerators equipped with COHERENCE Therapist R2.1 and Primeview 3 i R 2.1. Part numbers 5863506, 7339125, 7341410, 7341428, 7345411, 7345429, 7345437, 8139839, 8139847, 8147667, and 8147675
Brand
Siemens Medical Solutions USA, Inc
Lot Codes / Batch Numbers
Part Numbers listed below: COHERENCE AG Therapist, 5863506 COHERENCE Therapist System, 7339125 COHERENCE Impression Therapist, 7341410 Primeview 3i, 7341428 AG Therapist 3rd Party V&R, 7345411 Impression Therapist 3rd Party V&R, 7345429 syngo based WS for 3rd Party V&R, 7345437 Coherence Therapist 2.0, 8139839 Primveview 3i 2.0, 8139847 Coherence Therapist 2.1, 8147667 and Primeview 3i 2.1, 8147675
Products Sold
All Siemens Linear Medical Accelerators equipped with COHERENCE Therapist R2.1 and PrimeView 3i R2.1. System, Part Numbers listed below: COHERENCE AG Therapist, 5863506 COHERENCE Therapist System, 7339125 COHERENCE Impression Therapist, 7341410 Primeview 3i, 7341428 AG Therapist 3rd Party V&R, 7345411 Impression Therapist 3rd Party V&R, 7345429 syngo based WS for 3rd Party V&R, 7345437 Coherence Therapist 2.0, 8139839 Primveview 3i 2.0, 8139847 Coherence Therapist 2.1, 8147667 and Primeview 3i 2.1, 8147675
Siemens Medical Solutions USA, Inc is recalling Siemens Linear Medical Accelerators equipped with COHERENCE Therapist R2.1 and Primeview 3 i R 2.1. due to Images may potentially shift, causing an incorrect alignment of the patient, which may result in a dose to the wrong location. It was discovered thro. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
Images may potentially shift, causing an incorrect alignment of the patient, which may result in a dose to the wrong location. It was discovered through the complaint handling process that a potential image shift issue can occur after using the interactive shift tool and filtering tool due to incorrect consideration of the flat panel alignment.
Recommended Action
Per FDA guidance
A Customer Safety Advisory Notice was issued on September 19, 2007--All affected consignees were notified certified mail (includes update instruction TH029/07/S). Customers were request to maintain a copy of the safety advisory notice with the COHERENCE Therapist R2.1/Primeview 3i manuals. A copy of the firm's corrections & removal report will be forwarded to Quality Management of Siemens Regional units responsible for reporting to local country authorities and a copy of the report is also forwarded to the firm's distributor.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticePage updated: Jan 10, 2026