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Lyophilization method and device

  • US 8,272,411 B2
  • Filed: 08/03/2009
  • Issued: 09/25/2012
  • Est. Priority Date: 04/28/2003
  • Status: Active Grant
First Claim
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1. A method comprising the following steps:

  • filling a sealed empty sterile device including a body defining a chamber, and a sealing portion forming a liquid-tight seal between the chamber and ambient atmosphere, wherein the filling step comprises sterile filling a liquid substance to be lyophilized through the sealing portion and into the sealed, empty, sterile chamber;

    evacuating the chamber through a fluid passageway formed in the sealing portion;

    lyophilizing the substance within the evacuated chamber; and

    closing the fluid passageway through the sealing portion and hermetically sealing the lyophilized substance within the chamber.

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