Patient Safety Alert

National Patient Safety Alert: ResMed Astral 100 and 150 Ventilators: Potential for Patient Harm due to Unexpected Interruption of Ventilation Therapy (NatPSA/2026/004/MHRA)

Issued 17 Aug 2026 · NatPSA/2026/004/MHRA

Read and act on the official notice on GOV.UK

The MHRA's summary

ResMed has issued a Field Safety Notice regarding Astral 100 and 150 ventilators and associated Printed Circuit Board Assembly spare parts manufactured prior to October 2024. A fault in the device can cause unexpected interruption of ventilation therapy.

MHRA's audience tags: Anaesthetics, Care home staff, Critical care, Ear nose throat, Emergency medicine, Paediatrics, Respiratory disease allergy

Pharmshark is not an official alerting route. Make sure your pharmacy receives alerts directly from the MHRA and through your organisation, and always act on the official GOV.UK notice.

Source: the MHRA on GOV.UK. Contains public sector information licensed under the Open Government Licence v3.0. Pharmshark is not affiliated with or endorsed by the MHRA.