Six people went to the hospital Monday after being sprayed by chemicals from a portable oxygen device at Lone Star High School in Frisco.
The City of Frisco said firefighters were called to a medical emergency at the school's field house on the 2600 block of Panther Creek Parkway just after 10 a.m.
When firefighters arrived, a nurse was treating a student with an emergency oxygen pack. When the nurse attempted to change canisters, city officials said the device exploded, spraying several people with chemicals.
"It got on their clothes, got on their skin, some minor, minor burning," said Battalion Chief Shawn Eft.
Three firefighters, the school nurse, an assistant principal and the student's sibling were treated for exposure to the chemical and/or minor burns. They were all taken to Centennial Hospital where they were treated and released.
The student who was initially being treated at the field house was not exposed to chemicals.
Frisco-based Oxysure makes the device and told NBC 5 it's FDA approved and has saved thousands of lives. The company released a statement:
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"We are saddened by this accident but are pleased to learn that those involved were released from the hospital without injury. We are working diligently with the Frisco Independent School District and the City of Frisco to ensure a complete and thorough investigation. While the product is safe and easy to use, we will work with our customers and provide supplemental training for continued safe use."
Parents learned about the medical emergency in a letter.
"I'm very relieved and very satisfied everything was taken care of," said parent Carl Jefferson.
The Frisco Fire Marshal will investigate the incident to determine what caused the canister to explode.
