HBOTLAB

  Every HBOT chamber is a pressure vessel for human occupancy. That is not a wellness industry phrase — it is an engineering classification that carries legal, structural, and safety obligations that every Indian patient deserves to understand.   Pressure vessel for human occupancy (PVHO): Any enclosed structure designed to be occupied by one or more persons at a pressure significantly above or below normal atmospheric levels. Every hyperbaric oxygen therapy chamber — hard or soft, hospital or wellness centre — is a PVHO. Governed internationally by ASME PVHO-1 engineering standards.     In 2025, two people died inside HBOT chambers in the United States. One was a five-year-old child. Four facility staff face second-degree murder charges. The US Food and Drug Administration issued a national safety letter. And India — where no regulation currently mandates PVHO certification — had already seen a chamber rupture with a patient inside in September 2024. This article ex...

  Every HBOT PVHO — Pressure Vessel for Human Occupancy — is an engineered, certified structure that keeps a person safe under elevated atmospheric pressure. Most patients in India have never heard the term.   HBOT PVHO: A Pressure Vessel for Human Occupancy is any enclosed space designed to be occupied by a person at a pressure significantly above or below normal atmospheric levels. Every hyperbaric oxygen therapy chamber is classified as a PVHO under ASME engineering standards.   Remove this Line After Image Addition Image 1 Filename: hbot-pvho-chamber-safety-india.jpg Image 1 Alt Text: hbot pvho certified hyperbaric chamber safety india Image 2 Filename: hbot-pvho-asme-certification-explained.jpg Image 2 Alt Text: hbot pvho asme pvho-1 certification diagram   If your clinic cannot tell you whether their chamber is PVHO-certified, that is the most important safety signal you will ever receive about HBOT. This guide explains exactly what HBOT PVHO certification mean...