No Longer Accepting Bair Hugger Warming Blanket Cases

Bair Hugger Warming Blanket Lawsuits: Bacteria Infection Lawsuits

Commonly asked questions about Bair Hugger warming blankets:

What Are Bair Hugger Warming Blankets?

Bair Hugger is a forced air warming blanket that is used to prevent hypothermia in patients during some surgeries. This type of warming blanket has been in use in the United States since 1988. Today, over 80% of U.S. hospitals use the technology.

The warming blanket works by using a micron filter to gently force warm air through the blanket. Additionally, the blankets make use of pressure points on the patient’s body to prevent pressure sores and burns in certain at risk areas. The Bair Hugger also features drain holes that allow fluid to pass through and be absorbed by linen inside the blanket. This prevents skin maceration, or the softening and breaking down of skin due to prolonged exposure to moisture. These blankets are disposable so as to reduce the risk of infection spreading from patient to patient.

What Lawsuits Have Been Filed Against Bair Hugger Warming Blankets?

Recently, there have been growing concerns over complications caused by warming blankets, which are surgical blankets used to regulate patients body temperature during surgeries.

Lawsuits have already been filed against the makers, 3M. Most recently, a Michigan resident who underwent hip replacement surgery in 2012 has filed a lawsuit against the makers of the warming blanket.

The lawsuit was filed on July 25th, 2015 and claims that the warming blanket blew bacteria-contaminated air directly on to the patient. This resulted in serious infection that required three additional surgeries; the removal of the implant, cleaning of the hip and dead tissue removal, and removal of most of this right thigh muscle. The patient has permanent limited mobility as a result of the infections.

What are the Criteria for Filing a Bair Hugger Lawsuit?

The 3M Bair Hugger is a force hot air warming blanket, used primarily to help maintain a patient’s body temperature during surgery. The 3M Bair Hugger pushes warm air through a flexible hose into a blanket draped over a patient.

However, warming blankets can recirculate contaminated air over a patient’s body, including over an open surgical site. This may result in infections like MRSA or sepsis.

In particular, patients undergoing knee or hip replacement surgery are at risk of infections deep in the joint, which is very difficult to treat.

Complications from these infections include hospitalization, implant revision surgery, limited mobility, permanent disability, amputation and death.

To file a Bair Hugger Lawsuit, the following criteria must be met:

  • Underwent total hip or total knee replacement
  • Surgery occurred after September 9, 2010
  • Infection occurred within one year of the hip or knee replacement
  • Infection was so severe that it resulted in the eventual removal of the initial hip or knee replacement device

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What Are Complications Caused By Bair Hugger Infections?

The warming blanket technology has been used extensively since it was introduced to the market in the late 1980s. However, there have been several reports of serious complications associated with the blanket during surgical implant procedures. Patients who have underwent surgery to receive implants, such as knee implants, hip implants, or artificial heart valves have reported cases of serious infection, including joint infection, MRSA infection, soft tissue infection, and Sepsis. In some cases, patients have had limbs amputated due to the serious of the infection they contracted.

Which Companies Manufacture Bair Hugger Warming Blankets?

3M is formerly known as the Minnesota Mining and Manufacturing Company and is an American multinational corporation that produces more than 55,000 products, including medical devices.

One of 3M’s main products is the warming blankets among many other heating blankets for hospitals and clinics.

What Infections Can Be Caused By Bair Hugger Warming Blankets?


The most common infection occurs in patients who have had hip or knee implant surgery caused by Methicillin-resistant Staphylococcus aureus (MRSA) bacteria. Although many staphylococcus aureus bacteria are essentially harmless, MRS is known to resist antibiotic therapies and therefore make it difficult to treat.

Any bacteria that remains after prescribed treatment will develop a tolerance to the antibiotic and pass on the resistance as others divide and multiply.


Sepsis occurs when an infection is left untreated. Sepsis occurs when chemicals passing through the bloodstream trigger an inflammation in the patient’s body. This then leads to damage in different organ systems, ultimately causing them to fail. When Sepsis progresses to a septic shock, blood pressure drops substantially and can eventually lead to death.

Treatment After Bair Hugger Infections

Patients who have suffered serious infections after a surgery that used a warming blanket may require additional medical care. Treatment can include:

  • Extended hospitalization
  • Additional surgery
  • Insertion of antibiotic spacers into affected area
  • Revision or removal of implant, such as a knee or hip replacement
  • Amputation

Can I File A Bair Hugger Lawsuit?

Our dangerous device attorneys can help if you or someone you care about was harmed by a warming blanket. Lawsuits have been filed against the device makers by both patients and their families seeking compensation for injuries caused. You may be entitled to a settlement. We do not charge any legal fees unless you receive a settlement and we pay all of the case costs. If your claim is not successful for any reason, you do not owe us anything. We put it all in writing for you. Our lawyers will help you file your lawsuit.

Our No Fee Promise on Bair Hugger Cases

You can afford to have our great team of lawyers on your side. When you choose us, it literally costs nothing to get started. We promise you in writing:

  • No money to get started
  • We pay all case costs and expenses
  • No legal fees whatsoever unless you receive a settlement
  • Phone calls are always free.

How Do I Start A Bair Hugger Warming Blanket Claim?

Our warming blanket lawyers will help you file your lawsuit. To get started, you can:

  1. Submit the Free Case Review Box on this page, or
  2. Call (866) 280-3417 any time of day to tell us about your case.

We will listen to your story and answer your questions. If you have claim, we will start immediately.

WARNING: There are strict time deadlines for filing warming blanket lawsuit claims.

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View Sources

  1. Bair Hugger – 3M
  2. Doctor Says a Device He Invented Poses Risks – The New York Times
  3. The Bair Hugger Patient Warming System in Prolonged Vascular Surgey – NCBI