Bair Hugger Settlement Calculator 2026: Estimate Infection Claim Value
Use the Bair Hugger settlement calculator to organize potential claim factors after a serious surgical infection where a Bair Hugger forced-air warming system may have been used, including surgery type, infection severity, device-use evidence, revision surgery, IV antibiotics, hospitalization, lost income and long-term disability.
Why no settlement fund exists, what the court record does and does not show, and how to read the figures being circulated.
- Organizes surgery, infection diagnosis and treatment history.
- Captures operating-room records and evidence of device use.
- Separates official litigation/science from editorial settlement illustrations.
- Helps identify missing medical, wage-loss and damages records.
Get Your Bair Hugger Settlement Estimate
Answer the guided questions using your surgery, infection diagnosis, treatment, revision procedures, device-use records and documented losses.
Key Facts About Bair Hugger Surgical Infection Litigation
The Judicial Panel on Multidistrict Litigation’s September 1, 2026 report classifies MDL 2666 as an active litigation and lists 8,433 actions currently pending out of 10,739 historical actions. The District of Minnesota’s current MDL directory also lists Bair Hugger MDL 15-2666.
Active MDL
MDL 2666 remains listed as active in the federal JPML statistics and the District of Minnesota MDL directory.
JPML pending-MDL reports →8,433 Pending
JPML reports 8,433 pending actions and 10,739 historical actions as of September 1, 2026.
Open September 2026 JPML report →Judge Joan N. Ericksen
The dedicated District of Minnesota page identifies Judge Joan N. Ericksen as the presiding judge.
Official MDL page →Contested Causation
Plaintiffs allege the devices contributed to periprosthetic joint infections; defendants dispute that forced-air warming causes those infections.
Court litigation overview →Who May Qualify for a Bair Hugger Lawsuit Review?
Eligibility is case-specific. Attorneys may review whether a Bair Hugger or related forced-air warming device was used, the type of surgery, infection timing and organism, implant involvement, revision procedures, medical causation evidence, product records, damages, jurisdiction and filing deadlines.
Factors That May Support Review
- Hip, knee or other orthopedic implant surgery followed by a serious deep infection
- Periprosthetic joint infection, MRSA, sepsis, bloodstream infection or deep surgical-site infection
- Operating-room, anesthesia, nursing, supply or billing records showing Bair Hugger use
- Revision surgery, implant removal, debridement, prolonged IV antibiotics or rehospitalization
- Documented disability, mobility loss, wage loss or substantial medical expenses
Issues Requiring Closer Review
- Unclear warming-device identity or missing operating-room records
- Superficial or short-lived infection with limited treatment
- Long delay between surgery and infection diagnosis
- Significant alternative infection risk factors or disputed causation
- Statute-of-limitations or jurisdiction concerns
Bair Hugger Claim Profiles and the Public Record
No Bair Hugger settlement amount has ever been made public. The only case in MDL 2666 tried to verdict was decided for 3M (Gareis, 2018, affirmed by the Eighth Circuit in 2021), as was a separate Missouri state-court case tried in October 2022 and affirmed on appeal in June 2024. No court order or 3M filing announces a settlement or a settlement fund. The groupings below describe claim factors attorneys weigh, not payout ranges.
Severe Infection / Major Revision Claim
Strongest claim profileSepsis, implant removal, multiple revision procedures, long hospitalization, permanent impairment, substantial damages and stronger device-use evidence.
Grouping reflects claim factors, not payouts. No Bair Hugger settlement amount has been made public.Moderate-Severe Infection Claim
Moderate claim profileDeep joint infection, IV antibiotics, readmission, prolonged recovery, documented lost wages or treatment complications.
Grouping reflects claim factors, not payouts. No Bair Hugger settlement amount has been made public.Moderate Documented Infection
Limited claim profileConfirmed infection and treatment with more limited long-term disability, economic loss or device-use evidence.
Grouping reflects claim factors, not payouts. No Bair Hugger settlement amount has been made public.What Research Says About Forced-Air Warming & Surgical Infection
The medical evidence is not one-sided. Some studies and plaintiff experts have raised concerns about airflow and contamination around orthopedic implant surgery, while multiple reviews have concluded that the available evidence does not conclusively establish that forced-air warming increases surgical-site infections.
2013 Literature Review
A review of 192 evidence sources found methodological limitations and concluded the evidence did not conclusively suggest that forced-air warming systems increase surgical-site infection risk.
PubMed review →2018 Safety Review
A later review concluded there was no robust evidence supporting an increased surgical-site infection risk from forced-air warming and recommended no change in practice based on the evidence then available.
PubMed review →2023 Hip Arthroplasty Study
A nationwide-database study found a higher point estimate for infection with forced-air warming versus conductive warming, but the difference was not statistically significant.
PubMed study →Evidence That Can Strengthen a Bair Hugger Claim Review
The calculator becomes more useful when the answers can be tied to records connecting the surgery, warming device, infection, treatment and damages.
- Operating-room and anesthesia records
- Nursing notes and perioperative documentation
- Hospital billing, supply or warming-device records
- Procedure date, facility, surgeon and implant information
- Culture results and infection diagnosis
- Infectious-disease consultation records
- Revision, debridement or implant-removal records
- IV antibiotic and rehospitalization documentation
- Medical bills and out-of-pocket expenses
- Lost-income and employment records
- Rehabilitation, mobility-device or caregiving costs
- Records documenting lasting disability and mobility limits
MDL 2666: Bair Hugger Litigation Status
The litigation has had a complicated procedural history. The current JPML report still classifies MDL 2666 as active, and the District of Minnesota continues to list it among its MDL cases.
What Can Affect Bair Hugger Settlement Value?
1. Infection Severity
Deep joint infection, sepsis, implant infection and permanent complications generally create different damages than a superficial infection.
2. Device-Use Evidence
Operating-room records, anesthesia notes, supply records and billing can help identify whether a Bair Hugger was actually used.
3. Revision Treatment
Implant removal, debridement, staged revision, prolonged antibiotics and rehospitalization can materially increase documented losses.
4. Causation Evidence
Expert evidence, timing, organism, alternative infection sources and scientific admissibility can strongly affect litigation risk.
5. Economic Damages
Medical costs, wage loss, diminished earning capacity, rehabilitation and caregiving may affect value.
6. Jurisdiction & Deadlines
State substantive law, statutes of limitation, defenses and venue-specific rules can change both viability and settlement posture.
How the Bair Hugger Settlement Calculator Works
The calculator organizes common claim-value inputs into an educational model. It is designed to identify the facts and records that may need verification rather than to produce a legally binding value.
1. Enter Surgery & Infection Facts
Use actual surgery dates, infection diagnoses, culture results and treatment records whenever possible.
2. Add Device & Treatment Evidence
Identify device-use records, revision procedures, antibiotics, hospitalization and rehabilitation.
3. Document Damages
Include medical expenses, lost income, disability, long-term mobility effects and other supported losses.
Why More Than 8,400 Bair Hugger Cases Have Produced No Payment
Bair Hugger is the clearest example on this site of a large mass tort that has produced no money at all, and understanding why is more useful to a claimant than any estimate. More than 8,400 cases were pending in MDL 2666 as of September 1, 2026, yet in more than a decade of litigation the docket has generated exactly two completed trials and 3M won both of them — the Gareis bellwether in the MDL in 2018 and a separate Missouri state-court case tried in October 2022 and affirmed on appeal in June 2024. No settlement amount has ever been disclosed, and no court-approved compensation programme exists. A calculator that answered this page’s question with a dollar range would be describing a process that has not happened.
The reason sits in the science rather than the paperwork. The plaintiffs’ theory is that forced-air warming disturbs airflow in the operating theatre and can carry contaminated air into an open surgical site, raising the risk of deep periprosthetic joint infection. Proving that in court requires general causation evidence that the device can cause such infections at all, and in 2019 the district court excluded the plaintiffs’ general causation experts and granted summary judgment across the MDL. The Eighth Circuit reversed that ruling on August 16, 2021 in the Amador appeal, restoring both the experts and the cases. A litigation that has already been dismissed once and reinstated on appeal is not one from which a settlement grid can be inferred.
Some sites report that the parties asked Judge Joan N. Ericksen in June 2026 to establish a qualified settlement fund and appoint an administrator. No such request or order appears among the MDL orders the court has published, so this page treats the report as unconfirmed. Even a fund would not be a settlement: it is a tax vehicle that holds money once parties have agreed terms. As of September 24, 2026 no amount, no allocation formula and no eligibility criteria have been filed or announced. When terms are filed they will appear on the docket, and this page will carry them with the filing date attached.
For claimants the practical consequence is that the work worth doing now is evidentiary rather than arithmetical: the operative report identifying the warming device, the culture results confirming a deep periprosthetic infection, the revision surgery records, and the timeline linking them. Those documents are what any eventual programme would be built to assess, and they are what the calculator on this page organises. Our Bair Hugger lawsuit guide covers the claim theories and who may qualify, the Bair Hugger settlement amounts page records the state of the money question as it develops, and the medical device lawsuit index places this docket alongside the other device litigations at a similar stage.
Bair Hugger Lawsuit Filing Deadlines
There is no single national deadline for every Bair Hugger claim. Time limits can depend on state law, surgery date, infection diagnosis, when a potential claim was or should have been discovered, prior litigation and other facts.
Related Bair Hugger & Settlement Resources
Bair Hugger Settlement Calculator FAQ
What does the Bair Hugger settlement calculator estimate?
It organizes surgery type, infection severity, device-use evidence, added treatment, lost income and other damages into an educational claim-value range.
How many Bair Hugger cases are pending?
JPML’s September 1, 2026 report lists 8,433 actions pending and 10,739 historical actions in MDL 2666.
Does research prove Bair Hugger causes surgical infections?
No definitive statement should be made from this page. Published reviews have found the evidence inconclusive, while litigation plaintiffs continue to assert causation theories supported by expert evidence.
How can I prove a Bair Hugger was used?
Operating-room, anesthesia, nursing, billing, supply and facility records may help identify the warming device used during surgery.
Is there a guaranteed Bair Hugger settlement amount?
No. There is no guaranteed payout or universal settlement schedule. Individual evidence, law, causation and damages control.
Does using this calculator create an attorney-client relationship?
No. Using the page or submitting information does not create an attorney-client relationship. Representation requires acceptance by a licensed attorney and an engagement agreement.
Request a Free Bair Hugger Case Review
If you developed a serious surgical infection after a procedure where a Bair Hugger may have been used, use the calculator to organize your records or request a confidential screening.
How We Sourced This Page
Every litigation fact on this page comes from a court record or a government source rather than from another website. The pending and historical case counts come from the Judicial Panel on Multidistrict Litigation’s own monthly statistics report, cited with its report date because the figure changes every month. The centralization date, the 2019 exclusion and summary judgment, and the Eighth Circuit’s 2021 reversal in the Amador appeal are all docket events in MDL 2666 before Judge Joan N. Ericksen in the District of Minnesota. Where the page describes what the medical literature shows, it links the peer-reviewed study rather than a secondary summary of it.
This page publishes no settlement range, no average and no claim tier, because no Bair Hugger settlement amount has ever been made public and there is nothing from which such a figure could honestly be derived. Both completed trials went to 3M and the page says so plainly; reporting only the procedural wins would give a materially misleading picture of the litigation’s strength. Facts were re-read against their sources on September 12, 2026, and the monthly case count was moved from the August report to the September one rather than left to go stale. The same standard governs the other TortAdvisor settlement calculators and the settlement amounts library.
Bair Hugger Litigation & Research Sources
JPML — September 1, 2026 Pending MDLs
Official report listing 8,433 Bair Hugger actions pending out of 10,739 historical actions.
Open JPML report →District of Minnesota — MDL 2666
Official federal court page identifying the Bair Hugger MDL and presiding judge.
Open MDL page →District of Minnesota — Litigation Overview
Official court summary presenting both plaintiffs’ allegations and defendants’ position.
Open court overview →Eighth Circuit — Amador v. 3M
Official appellate case record for the 2021 ruling reversing MDL-wide expert exclusions and summary judgment.
Open Eighth Circuit record →FDA — 3M Bair Hugger Model 675
Official 510(k) database record for a Bair Hugger temperature-management system.
Open FDA device record →PubMed — Forced-Air Warming & SSI Review
Peer-reviewed review concluding that available evidence did not conclusively show increased surgical-site infection risk.
Open PubMed review →
