You may be entitled to compensation in a class action lawsuit against 3M. Let's explore the reasons behind the Bair Hugger litigation and where cases sit as of 2024.
3M Bair Hugger systems use forced air warming (FAW) technology to maintain a patient's body temperature during surgery.
These devices work by gently blowing warm air through a disposable blanket draped over the patient. Most hospitals in the United States have used Bair Hugger blankets for decades.

Bair Hugger Class Action Lawsuit Allegations
Bair Hugger plaintiffs say the warming blankets cause deep joint infections, particularly during hip and knee replacement surgeries.
They claim that the forced-air warming technology disrupts the controlled airflow in operating rooms and spreads bacteria to surgical sites.
Lawsuits further allege that 3M was aware of these infection risks but failed to warn healthcare providers and patients adequately.
3M's Response to the Bair Hugger Lawsuit
3M maintains that Bair Hugger warming blankets are safe and not linked to increased infection rates.
The company cites several studies concluding that FAW blankets do not cause surgical site infections and argues that other risk factors and pre-existing medical conditions cause infections.
Who Is Eligible to File a Bair Hugger Lawsuit?
Patients who have developed a deep joint infection after undergoing surgery involving a Bair Hugger surgical warming blanket may be eligible to join class action litigation.
If you believe a FAW device has harmed you, speak with OnlyClassAction (OCA) to discuss your legal options and the process for filing a claim.
Lawsuit Implications for Patients and Healthcare Providers
If the plaintiffs prevail in the Bair Hugger litigation, it could significantly impact the use of FAW blankets in hospitals nationwide.
Better informed consent
Healthcare providers may need to reevaluate their patient warming protocols and engage in more thorough informed consent discussions with patients regarding the potential risks and benefits of different warming devices.
Infection prevention
Regardless of the lawsuit's outcome, both patients and healthcare professionals should take steps to prevent surgical site infections, such as:
- Proper hand hygiene.
- Appropriate preoperative skin preparation
- Timely administration of prophylactic antibiotics
- Strict adherence to sterile technique during surgery
Litigation Raise Questions About Safety and Oversight
The Bair Hugger class action lawsuit is one of many mass tort litigations involving allegedly defective medical devices.
Other notable examples include:
- Metal-on-metal hip implant lawsuits
- Transvaginal mesh litigation
- Inferior vena cava (IVC) filter cases
These lawsuits highlight why rigorous safety testing, transparent risk disclosures, and effective post-market medical device surveillance are important in manufacturing.
Regulatory Oversight of Patient Warming Devices
The U.S. Food and Drug Administration (FDA) regulates the safety and effectiveness of medical devices, including patient warming systems like Bair Hugger.
The FDA has issued guidance documents and safety communications related to FAW blankets but has not taken any significant regulatory actions against Bair Hugger forced-air devices to date.
As the Bair Hugger litigation progresses, the FDA and other regulatory agencies may face increased pressure to reevaluate the safety of FAW technology and consider additional oversight measures.
Latest Developments in the Bair Hugger Litigation
As of 2024, the Bair Hugger multidistrict litigation (MDL) remains ongoing in federal court.
Several bellwether trials have been conducted, with mixed results for plaintiffs and defendants.
- A federal appeals court overturned a key defense verdict in 2023, finding that the lower courts wrongly excluded expert testimony supporting the plaintiffs' claims.
- Many class plaintiffs are currently engaged in settlement negotiations, with a court-appointed mediator working to resolve the thousands of pending Bair Hugger forced-air warming blanket lawsuits.
If the arties agree to a global settlement, eligible claimants may be entitled to compensation for their injuries and related damages.
Don't miss your chance to seek justice. Join the Bair Hugger Lawsuit and learn how we can help you to seek the potential compensation you deserve.
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