밸브형 정지 챔버는 약물이 필요한 폐 안으로 잘 전달될 수 있도록 도와주는 스페이서입니다.

스페이서는 흡입기의 마우스피스를 확장하여 약물을 폐로 유도하는 튜브 모양의 액세서리를 통칭하는 용어입니다. 밸브형 정지 챔버는 에어로졸을 잠깐 동안 정지시키는 밸브가 포함된 스페이서입니다. 숨을 들이마시면 이 밸브가 열려서 약물이 방출됩니다.

이 장치는 특히 흡입 코르티코스테로이드(또는 단순히 스테로이드라고도 함)를 처방 받은 어린 아이와 모든 연령의 성인에게 큰 도움이 됩니다.

각주:
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[12] Hsu W., et al. Evaluation of delivery efficiency from valved holding chambers with facemasks. Resp. Drug Delivery Europe, 2011; 2:505-510.  

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[16] Adapted from: Hirst, PH., et al. Deposition and pharmacokinetics of an HFA formulation of Triamcinolone Acetonide delivered by pressurized metered dose inhaler. Journal of Aerosol Medicine. 2001; Volume 14 (2):155-166.  

[17] Adapted from Erzinger, S. et al. Facemaks and aerosol delivery in vivo.  Journal Aerosol Medicine  2007; 20 (Suppl 1):S78-S84

[18] Among retail pharmacies who claim to have a preferred brand of spacer in their pharmacy. Online survey conducted on 205 registered retail pharmacists.