Ex-Safety Manager Sentenced in Hyperbaric Chamber Fire Death 2026

In a tragic case highlighting critical hyperbaric chamber safety failures, a former safety manager has been sentenced to 19 months in prison for the death of a five-year-old boy. Jeffrey Mosteller, 66, pleaded no contest to involuntary manslaughter in connection with the January 2025 fire that killed Thomas Cooper at the Oxford Center in Troy, Michigan.

The incident occurred during a hyperbaric oxygen therapy session, a treatment used for conditions like autism and ADHD. Investigators determined that static electricity sparked a flash fire inside the oxygen-rich chamber, incinerating the child within seconds. Mosteller, responsible for safety protocols, faced up to 15 years but received a reduced sentence.

Safety Manager's Role and Negligence

As the safety manager at the Oxford Center, Mosteller was tasked with ensuring that hyperbaric chambers met safety standards. Court documents revealed that he failed to address known risks, including the use of non-approved materials inside the chamber. The prosecution argued that his negligence directly contributed to the fatal fire.

Experts noted that the chamber's oxygen-rich environment amplified the danger. A simple static spark from a sheet caused a catastrophic blaze. This case underscores the need for rigorous safety training and compliance in alternative healthcare settings.

Legal Outcome and Sentencing

Mosteller's sentence of 19 months is significantly lighter than the 15-year maximum. Judge Margaret Van Houten cited his lack of prior criminal history and cooperation as mitigating factors. However, the victim's family expressed outrage, stating that the punishment does not reflect the severity of the loss.

The sentencing took place in Oakland County Circuit Court, with Mosteller showing no visible emotion. He will serve his time in a Michigan state prison, with credit for time already served.

Hyperbaric Chamber Safety: Key Lessons

This tragic event serves as a stark reminder of the importance of safety in medical facilities. Hyperbaric oxygen therapy, while beneficial for certain conditions, carries inherent risks if not managed properly. Facilities must adhere to strict guidelines to prevent such incidents.

Expert Insights on the Incident

Video analysis by fire experts showed that the child's movements caused a sheet to rub against the mattress, generating static electricity. In an oxygen-rich environment, such sparks can ignite instantly. The mother's attempts to rescue her son resulted in severe burns, highlighting the lack of emergency protocols.

Mosteller's role was to oversee safety, yet he failed to implement measures that could have prevented the tragedy. This case has prompted calls for stricter regulation of hyperbaric clinics, especially those treating children.

Key Takeaways for Healthcare Facilities

• Always use anti-static and fire-retardant materials inside hyperbaric chambers.
• Conduct regular safety audits and staff training sessions.
• Implement clear emergency response plans for fire or explosion.
• Ensure compliance with national safety standards for hyperbaric therapy.

FAQ

This case is a somber reminder that safety in medical settings is non-negotiable. For families considering hyperbaric therapy, it's crucial to verify a facility's safety record and certifications. The loss of young Thomas Cooper underscores the devastating consequences of oversight.

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