Metered Dose Inhalers (MDIs), atau Inhaler dosis terukur. Alat ini merupakan salah satu macam alat yang memberikan berfungsi untuk menyalurkan obat asma yang digunakan seseorang penderita asma untuk meredakan serangan asma yang dia derita.
Pada saaat asma yang dia derita mengalami kekambuhan yang mendadak, dia bisa menggunakan alat ini untuk menyalurkan obat asma yang berada di dalam tabung inhaler ke dalam mulut penderita asma untuk memberikan perawatan secara langsung pada saluran pernafasannya.
Menurut webmd.com alat ini memberikan obat asma yang ada di dalam tabung inhaler melalui lubang kecil yang sudah ditentukan dosisnya. Obat yang berada didalam inhaler ini berbentuk gas atau biasa disebut sebagai aerosol.
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Karena jenis obat asma ini berbentuk aerosol atau gas maka lubah inhaler cukup dibuat dengan ukuran kecil, agar obat tersebut tidak berhembus keluar terlalu banyak, tidak cepat habis, dan tidak melebihi dosis yang ditentukan.
Menggunakan alat ini cukup mudah dilakukan oleh seseorang yang menderita asma. Pada alat ini sudah dilengkapi dengan alat pendorong yang memudahkan aerosol untuk bisa keluar terdorong masuk kedalam rongga mulut.
Dengan pemberian obat berupa aerosol dari dalam inhaler dan disertai dengan bernafas melalui mulut, obat tersebut akan secara langsung masuk kedalam saluran pernafasan dan meringankan serangan asma yang diderita oleh penderita asma.
Oleh: Nastiti Primadyastuti
(vem/sfg)

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