Mobius3D Product Usage: Mobius3D software is used for quality assurance and treatment plan ve...

FDA Device Recall #Z-2100-2017 — Class II — February 23, 2015

Recall Summary

Recall Number Z-2100-2017
Classification Class II — Moderate risk
Date Initiated February 23, 2015
Status Terminated
Voluntary Voluntary: Firm initiated

Recalling Firm

Firm Mobius Medical Systems, LP
Location Houston, TX
Product Type Devices
Quantity 270

Product Description

Mobius3D Product Usage: Mobius3D software is used for quality assurance and treatment plan verification in radiation therapy. It calculates radiation dose three-dimensionally in a representation of a patient or a phantom. The calculation is based on read-in treatment plans that are initially calculated by a treatment planning system, and may additionally be based on external measurements of radiation fields from other sources such as linac delivery log data. Mobius3D is not a treatment planning system. It is only to be used by trained radiation oncology personnel as a quality assurance tool.

Reason for Recall

Mobius3D version 1.5.0 contained a defect in software code which affects users who perform beam customization, and may lead to a discrepancy in dose calculation between this version of Mobius3D (1.5.0) and the prior version (1.4.2), where none should have been expected.

Distribution Pattern

Worldwide distribution - US Nationwide and the countries of Sweden, Canada, Netherlands, Denmark, Spain, Switzerland, Australia, Austria, Israel, United Kingdom, France

Lot / Code Information

Version 1.5.0 and 1.5.2 of the Mobius3D software is affected.

Frequently Asked Questions

A software recall means the device's embedded software or firmware has a defect that could affect its performance or safety. Many software recalls are corrected through firmware updates that can be applied without physically replacing the device. For implantable devices, the update may be delivered wirelessly during a routine clinic visit. For external devices, the manufacturer may provide updated software files or replacement units. Contact your healthcare provider to determine whether your specific device and software version are affected and what action is recommended.

Class I recalls indicate a reasonable probability of serious adverse health consequences or death from the defect. Class II recalls involve products that may cause temporary or medically reversible adverse health consequences, or where serious consequences are remote. Class III recalls cover products not likely to cause any adverse health consequences, typically involving technical regulatory violations. The classification guides urgency — Class I recalls require immediate action, while Class III may simply involve returning a product or acknowledging a labeling change. Always read the specific recall notice for recommended patient actions.

Report problems with medical devices to the FDA through MedWatch at 1-800-FDA-1088 or online at FDA.gov/safety/medwatch. Healthcare facilities are required by law to report device-related serious injuries and deaths. Patients and consumers can also report voluntarily. Include the device name, manufacturer, model number, and a description of the problem and any patient outcome. Reports from patients and clinicians help the FDA identify emerging safety signals and may trigger investigations that lead to recalls of dangerous devices.

What Should You Do?

Stop using this device if you are affected by this recall. Contact your healthcare provider and the manufacturer immediately for guidance. Report adverse events to FDA MedWatch.