Database updated: 27 October 2026
Safety Information
Medsafe Online Recall Database
Detail of Recall
| Type of Product: | Device |
| Medsafe Reference: | 23284 |
| Brand Name: | RaySearch_Radiation therapy treatment planning system |
| Model: | RayStation 4.5, RayStation 4.7, RayStation 4.9 (RayPlan 1), RayStation 5, RayStation 6 (RayPlan 2), RayStation 7 (RayPlan 7) and RayStation 8A (RayPlan 8A). |
| Affected: | |
| Software version: | |
| Recalling Organisation: | CARSL Consulting 30 Fulford Road Havelock North 4130 Hastings |
| Contact Information: | 09 238 3447 |
| Manufacturer: | RaySearch Laboratories AB (publ) |
| Issue: | The manufacturer has indentified an issue found with the DMLC "sliding window" photon dose calculation in RayStation 4.5, RayStation 4.7, RayStation 4.9 (RayPlan 1), RayStation 5, RayStation 6 (RayPlan 2), RayStation 7 (RayPlan 7) and RayStation 8A (RayPlan 8A) for machines with jaw movement per beam, x-jaws and where the MLC is not above both jaws (i.e., Varian style LINACs). If the beam model has a highly asymmetric primary source, it is not correctly taken into account in the calculation of DMLC fields when the collimator is rotated. |
| Recall action type: | Correction |
| Recall action: | Manufacturer to issue advice regarding use |
| Level of recall: | Hospital/Pharmacy/Laboratory |
| Date Commenced: | 3/7/2018 |





