Preventing explosions of hydrogen gas inhalers

Ryosuke Kurokawa, Shin Ichi Hirano, Yusuke Ichikawa, Goh Matsuo, Yoshiyasu Takefuji

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)

Abstract

Production and excretion of hydrogen (H2) gas in human was reported in 1969, since then it has been regarded as non-toxic molecule. For preventive and therapeutic medical uses, a possible treatment for cancer was reported and another article was published on how H2 acts as a therapeutic antioxidant by selectively reducing cytotoxic oxygen radicals. A variety of H2 gas inhalers have been available in the market for hospital and home uses. However, H2 is odorless and flammable or explosive ignited by static electricity. We have examined the safety of a variety of H2 gas concentrations from the viewpoint of flammability and explosion. We have also measured concentrations of H2 gas inhalers in the market respectively. This paper also details how to control H2 gas concentration for preventing explosions.

Original languageEnglish
Pages (from-to)160-162
Number of pages3
JournalMedical gas research
Volume9
Issue number3
DOIs
Publication statusPublished - 2019 Sep

Keywords

  • detonation
  • explosion
  • flammability
  • home use
  • hydrogen concentration
  • hydrogen gas
  • hydrogen gas inhaler
  • market
  • medical use
  • safety
  • static electricity

ASJC Scopus subject areas

  • Neuroscience (miscellaneous)
  • Anesthesiology and Pain Medicine

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