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Lower risk Medical device recall · FDA · Published December 5, 2025

Siemens LUMINOS Lotus Max and dRF Max: Incorrect Collimation Risk

Siemens recalls two ultrasound systems due to potential incorrect collimation when switching between organ programs. Affected models include LUMINOS Lotus Max (11574100) and Luminos dRF Max (10762471).

🇺🇸 FDA recall #Z-0999-2026Medical deviceSiemens ›
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Recalling firmSiemens Medical Solutions USA, Inc40 Liberty Blvd · Malvern, PA 19355-1418
✎ GovInfoNow plain-language explainer

Siemens is recalling two ultrasound systems that may have incorrect collimation when switching between organ programs. This could lead to inaccurate imaging results if the equipment is used without proper calibration. Read more at govinfonow.com/recall/50520-siemens-luminos-lotus-max-and-drf-max-incorrect-collimation-risk.

Source Summary by GovInfoNow · govinfonow.com/recall/50520-siemens-luminos-lotus-max-and-drf-max-incorrect-collimation-risk · Updated August 17, 2026 · FDA enforcement record: FDA #Z-0999-2026

Cite this page

“Siemens LUMINOS Lotus Max and dRF Max: Incorrect Collimation Risk.” GovInfoNow, updated August 17, 2026. https://govinfonow.com/recall/50520-siemens-luminos-lotus-max-and-drf-max-incorrect-collimation-risk. Based on FDA recall #Z-0999-2026 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-0999-2026%22&limit=1).

The FDA announced on Dec. 5, 2025, that Siemens Medical Solutions USA, Inc. is recalling LUMINOS Lotus Max and Luminos dRF Max systems due to a potential issue where collimation may be incorrect when switching quickly between organ programs. The agency classified the recall as Class II.

How to tell if you have it

  • LUMINOS Lotus Max, Model 11574100
  • Luminos dRF Max, Model 10762471
  • UPC 04056869269931

The hazard

The recall involves LUMINOS Lotus Max and Luminos dRF Max systems with software version VF11, specifically those equipped with a bucky wall stand for mobile detectors and without a ceiling stand. When switching quickly between organ programs (OGPs), the collimation may be incorrect.

Context

GovInfoNow's records show Siemens Medical Solutions USA, Inc. has 182 other recalls on record since June 6, 2017. Other recent recalls of similar products include the Siemens ARTIS icono Ceiling Monitor Recall (June 8, 2026), the Siemens ARTIS icono floor recall (May 20, 2026), and the Siemens ARTIS Pheno VE30A/VE40A recall (March 12, 2026). Other recent recalls of similar products include the Olympus Disposable Triple Lumen Sphincterotome Recall (Jan. 7, 2026) and the Canon Vantage Galan 3T Medical Device Recall (Oct. 16, 2025).

How to tell if you have this one

Check for the model numbers 11574100 (LUMINOS Lotus Max) or 10762471 (Luminos dRF Max) with software version VF11. These systems were sold with specific configurations including bucky wall stands for mobile detectors but without ceiling stands.

  • Brand
    Siemens
  • Product
    LUMINOS Lotus Max, Model 11574100 and Luminos dRF Max, Model 10762471
  • Category
    Medical device
Based on the official FDA remedy

What to do — step by step

  1. Check Software Version

    Verify the software version on your device; affected units have version VF11.

How this recall unfolded

Recall timeline

FDA published this recall 40 days after the firm started it.

1. Firm started the recall: Dec 5, 202512. FDA classified it Class II: Jan 8, 202623. Published in FDA’s Enforcement Report: Jan 14, 2026320252026
  1. Firm started the recall
  2. FDA classified it Class II
  3. Published in FDA’s Enforcement Report

Dates from the agency record only; steps without a date are left out.

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Where this comes from

The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.

  • Official source: FDA Recall #Z-0999-2026 (December 5, 2025) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-0999-2026 to see it in context.
  • Plain-language summary written by qwen3:4b on August 17, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
  • GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.
GovInfoNow is an independent guide. We are not FDA or any government agency. Always confirm details with the official recall.Data: CPSC · FDA · NHTSA · USDA