Important Update - ResMed Field Safety Notice

Updated Information on ResMed Masks with Magnets for Mask Users

Urgent Product Defect Correction

In response to new information from latest industry practices and global safety data, ResMed is updating the Contraindications and Warnings relating to magnetic interference, in their User Guides to instruct patients on the safe use of ResMed masks with magnets.

Does this apply to me?


  • If you do not use a mask with magnets, the updated contraindications and warnings do not apply to you.

  • The updated contraindications for ResMed masks with magnets only apply if you, or anyone in close physical contact with you while using the mask (e.g., bed partner), has a certain implant or medical device that is identified below.

  • If you use a ResMed mask with magnets, you should also be aware of the updated warning noted below.

Magnets are used in some ResMed masks to provide a simple and easy way for patients to attach and detach the headgear to the mask frame, although if you or
anyone in close physical contact while using the mask (i.e. bed partner), have the following then this notice applies to you.

Updated Contraindications (i.e. condition where the mask is not to be used).
• Active medical implants that interact with magnets (i.e., pacemakers, implantable cardioverter defibrillators (ICD), neurostimulators, cerebrospinal fluid (CSF) shunts, insulin/infusion pumps)
• Metallic implants/objects containing ferromagnetic material (i.e., aneurysm clips/flow disruption devices, embolic coils, stents, valves, electrodes, implants to restore hearing or balance with implanted magnets, ocular implants, metallic splinters in the eye)

Updated Warning
Keep the mask magnets at a safe distance of at least 6 inches (150 mm) away from implants or medical devices that may be adversely affected by magnetic interference. This warning applies to you or anyone in close physical contact with your mask.
The magnets are in the frame and lower headgear clips, with a magnetic field strength of up to 400mT. When worn, they connect to secure the mask but may inadvertently detach while asleep.
Implants/medical devices, including those listed within contraindications, may be adversely affected if they change function under external magnetic fields or contain ferromagnetic materials that attract/repel to magnetic fields (some metallic implants, e.g., contact lenses with metal, dental implants, metallic cranial plates, screws, burr hole covers, and bone substitute devices). Consult your physician and manufacturer of your implant / other medical device for information on the potential adverse effects of magnetic fields.

Note, not all models or variants of medical devices listed in the contraindications are affected by external magnetic fields. If you are not sure whether an implant or medical device falls under the contraindications, or you require additional information on the potential adverse effects of magnetic fields for your particular implant or medical device, please contact your physician/doctor.

Which ResMed masks are affected?

Mask Type Affected Masks

Full Face Mask

Nasal Mask

Patient Safety Information

ResMed’s masks with magnets are safe when used in accordance with the updated Instructions for Use including the Contraindications and Warnings. When a magnet comes close to certain medical implants/devices (less than 6 inches / 150mm) there is potential for magnetic interference to change:
• the function of an implant/medical device
• the position of implants made of ferromagnetic material

In rare circumstances, this can lead to serious injury or death. Contraindicated patients can avoid the potential harm from magnetic interference by using an alternative mask without magnets.
All other patients using ResMed masks with magnets can continue to use the mask following the updated Instructions for Use.

This applies to me, what do I do now?

  1. ResMed is offering a Mask Replacement or Refund for all affected masks purchased since 20th Novemeber 2021.
    If you have an implant or medical device that falls under the contraindications, register your mask with ResMed and select your preferred option.
    *Please note, proof of purchase will be required. CPAP Direct will not be offering the replacement or refund, this will come directly from ResMed.

  2. If you are affected by this notice and in need of a mask without magnets in the meantime, CPAP Direct is offering a special discounted price of $169 for any mask. Price available both in store and online (please use discount code FSN1223 when shopping online).

ResMed Supporting Documents

Field Safety Notice - Patient Letter

ResMed Masks with Magnets Guide

Replacement Mask Request Form

For more information or advice on CPAP Masks, please contact your nearest store or the CPAP Direct Support Team on 1300 800 985 or