A molecular model of hydrogen peroxide (H2O2) [Illustration by petrroudny via Adobe Stock]
Vaporized hydrogen peroxide (VHP) is the latest medical device sterilization alternative to ethylene oxide (EtO) as the industry seeks to limit potential harm from EtO and increase total sterilization capacity.Vaporized hydrogen peroxide (also referred to as VH₂O₂) is the FDA’s newest addition to its list of Established Category A sterilization methods for medical devices. Other Category A sterilization methods include EtO, dry heat, moist heat and radiation.
Like the aqueous form of hydrogen peroxide (H₂O₂), VHP (also referred to as VH₂O₂) kills infection-causing bacteria, viruses and all other microbial life by oxidizing amino acids and proteins.
VHP has a similar effectiveness as EtO, which is the most commonly used method for medical device sterilization. Like EtO, VHP can permeate many materials …