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Flow controller configurations for an active agent delivery device

  • US 6,224,908 B1
  • Filed: 05/24/2000
  • Issued: 05/01/2001
  • Est. Priority Date: 05/16/1997
  • Status: Expired due to Term
First Claim
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1. An oral active agent delivery system for delivering to a patient active agent in admixture with a fluid, comprising:

  • a tubular chamber having a first end configured for fluid communication with the fluid and a second end configured for oral application of suction by the patient;

    a valve disposed in said tubular chamber, wherein said valve allows fluid to flow from said first end to said second end of said tubular chamber;

    a controller disposed in said tubular chamber, wherein said controller prevents passage of active agent out of said first end of said tubular chamber and allows passage of fluid through said tubular chamber; and

    a retainer disposed in said tubular chamber, wherein said retainer prevents said controller from exiting said tubular chamber and allows passage of fluid through said tubular chamber.

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