Metering valve for metered dose inhaler having improved flow.

摘要

A stem (24) aerosol valve comprising: a body (22) comprising a wall (22a) of the body defining an internal chamber (36); at least one gateway (40) through the body wall in fluid communication with the internal chamber; a channel opening (50) in the body wall having a height and a width; and at least one channel providing fluid communication enters the inner chamber (36) and the opening (50) of the channel, wherein the width of said opening (50) of the channel is greater than the height.