Siemens Oncor Impression Plus Linear Accelerator Software Recall
Siemens is recalling 15 Oncor Impression Plus linear accelerators to update software and reduce the risk of collision during automated cancer treatments.
What this means for you
Real risk of harm even if no illness or injury has been reported yet. Stop using the product and follow the agency's guidance.
Our severity reasoning: The recall involves a risk-of-harm product (collision risk during radiation therapy) where injury has not yet been reported, fitting the criteria for a High severity score.
Plain-English summary
Siemens Medical Solutions USA, Inc. is recalling 15 units of the ONCOR Impression Plus Digital Linear Accelerator (Model No. 05857912). These devices are used to deliver x-ray radiation for the therapeutic treatment of cancer.
The recall is being conducted to update the Control Console software. This update is intended to reduce the risk of collision when delivering automatically sequenced treatments that involve automatic movements of the gantry and/or the treatment table.
The affected units were distributed worldwide, including nationwide in the United States and internationally to Nassau. Specific serial numbers for the 15 units are listed in the official recall documentation. Healthcare facilities should contact Siemens to schedule the necessary software update.
The recalled product
- Product
- ONCOR Impression Plus, Digital Linear Accelerator, Model No. 05857912 Product Usage: The intended use of the device is to deliver x-ray radiation for therapeutic treatment of cancer.
- Manufacturer
- Siemens Medical Solutions USA, Inc
- Hazard
- Affected units
- 15
Distribution
Part of a larger recall action
This product is one of 6 recalled by Siemens Medical Solutions USA, Inc under a single FDA (Devices) recall action. The agency files each product separately, so the size of the action is not visible from this page alone.
See all 6 products in this recall →Related recalls
Same manufacturer · Siemens Medical Solutions USA, Inc
See all →- HighARTIS icono floor Medical Imaging System Detector Movement Loss Recall
FDA (Devices) · 2026-07-08
- HighARTIS Icono Ceiling Model 11328100 Loss of Movement Capability Recall
FDA (Devices) · 2026-07-08
- ModerateARTIS icono biplane medical imaging system detector lift malfunction
FDA (Devices) · 2026-07-08
- ModerateARTIS icono ceiling medical imaging monitor suspension system
FDA (Devices) · 2026-07-08
- HighARTIS pheno systems may display zero dose while dose is applied
FDA (Devices) · 2026-06-10
Same hazard · collision
See all →- SeverePowered Wheelchair Control Software Recall by munevo
FDA (Devices) · 2026-08-12
- Severe
- High
- HighPhilips Brilliance CT Big Bore X-Ray System Gantry Motion Collision Hazard
FDA (Devices) · 2025-04-30
- High