More recently, pharmaceutical research is considering the pulmonary route for systemic administration of active ingredients such as Insulin.

Pressurized Metered Dose Inhalers (pMDIs) are the most popular and preferred form of treatment for millions of Asthma and COPD patients world-wide with more than 500 million devices sold each year.

Another range of inhalers called Dry Powder Inhalers (DPIs) are growing fast on the market.

Valois is the recognized world leader in metering valves for pMDIs. Valois offers a wide range of products novel metering valves and actuators suitable for the environment-friendly HFA propellants. Also available is a Dose Counter for pMDIs.

Valois has recently expanded its pulmonary franchise with the acquisition of intellectual property rights of a novel DPI « Bead Inhaler » which is currently under development to optimize the powder storage system which provides advanced moisture protection.