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Dry powder dispersing apparatus and methods for their use

  • US 7,422,013 B2
  • Filed: 03/09/2005
  • Issued: 09/09/2008
  • Est. Priority Date: 06/04/1998
  • Status: Expired due to Fees
First Claim
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1. A system for aerosolizing a powdered medicament, the system comprising:

  • a receptacle having a front end, a back end, and a cavity adapted to hold a powdered medicament, wherein the front end of the receptacle comprises a geometric configuration; and

    an aerosolization apparatus having an opening into which the receptacle may be inserted, the aerosolization apparatus comprising a receptacle piercing member,wherein the aerosolization apparatus is in a locked condition which prevents the piercing member from piercing the receptacle when the receptacle is first inserted in the opening and wherein the aerosolization apparatus is in an unlocked condition which allows the piercing member to pierce the receptacle when the receptacle is fully inserted into the aerosolization apparatus and the geometric configuration mates with a corresponding portion in the aerosolization apparatus.

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