Database updated: 27 October 2026
Safety Information
Medsafe Online Recall Database
Detail of Recall
| Type of Product: | Device |
| Medsafe Reference: | 20518 |
| Brand Name: | Siemens syngo RT Therapist COHERENCE RTT Application Software |
| Model: | |
| Affected: | |
| Software version: | 4.2.110 or 4.3.SP1 or 4.3.138 or 4.3.1_AR1 or 4.3.1_MR2 in combination with Oncology Information System ARIA (by VARIAN) or MOSAIQ (by ELEKTA Inc.) |
| Recalling Organisation: | Siemens Healthcare (NZ) Ltd Millennium Centre, Part Level 2, Building A 600 Great South Road Ellerslie AUCKLAND 1051 |
| Contact Information: | 0800 310 300 |
| Manufacturer: | Siemens AG |
| Issue: | New software update that addresses multiple issues including an issue communicated earlier: 1. Incorrect isocenter assignment when using multiple treatment plans with different isocenters based on one single planning CT and when a CBCT has been acquired for each isocenter 2.When Auto Field-Sequencing (AFS) is selected the Pause is no longer present when treating a plan containing at least two beams with different isocentric table angles 3. Table movement due to different isocenters in imaging beams and treatment beams 4. Reference image has been associated to the wrong patient 5.Incorrect calculated isocenter shift when using Late Resumption after interruption after beam 1 has been completed 6.Multiple isocenter in session resumption F1 Abort workflow is incorrect 7. Irrevocable assignment of the first reference 2D image 8. After reverting plan changes in OIS MOSAIQ changes performed on RT TherapistTM become inactive. |
| Recall action type: | Correction |
| Recall action: | Software to be upgraded |
| Level of recall: | Hospital/Pharmacy/Laboratory |
| Date Commenced: | 17/8/2016 |
