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Metering valve for a metered dose inhaler having improved flow

  • US 6,640,805 B2
  • Filed: 03/19/2002
  • Issued: 11/04/2003
  • Est. Priority Date: 03/26/2001
  • Status: Expired due to Fees
First Claim
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1. An aerosol valve stem comprising:

  • a body comprising a body wall defining an internal chamber;

    at least one inlet port through the body wall in fluid communication with the internal chamber;

    a channel opening in the body wall having a height and a width wherein the width is greater than the height; and

    at least one channel providing fluid communication between the internal chamber and the channel opening.

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