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  • US 5,816,240 A
  • Filed: 03/13/1997
  • Issued: 10/06/1998
  • Est. Priority Date: 07/14/1995
  • Status: Expired due to Term
First Claim
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1. A spacer for the administration of an aerosol medication to a patient comprising:

  • (1) a spacer body member defining a generally hollow chamber,(2) a patient delivery member in fluid communication with the chamber through which medication can be delivered to a patient, the patient delivery member including(a) a mouthpiece through which a patient can inspire medication from the chamber and expire gases,(b) an inspiratory valve coupled between the mouthpiece and the chamber, the inspiratory valve being configured for opening on inspiration by a patient, and closing upon expiration by a patient,(c) an expiratory valve coupled between the mouthpiece and an exhaust external of the chamber, and disposed co-axially with the inspiratory valve, the expiratory valve configured for opening upon expiration by a patient, and closing upon inspiration by a patient, and(3) a medication inlet in fluid communication with the chamber through which medication can be introduced to the chamber, the medication inlet including a dispenser retainer for retaining a medication delivery member on the medication inlet.

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