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Drug delivery system

  • US 5,947,928 A
  • Filed: 06/19/1997
  • Issued: 09/07/1999
  • Est. Priority Date: 06/19/1997
  • Status: Expired due to Fees
First Claim
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1. A drug delivery system, comprising:

  • a drug housing having a medicament receiving chamber with a first, open end mountable in fluid tight communication with a biologic material and a second end; and

    a drug delivery initiator including;

    a first, proximal chamber that is selectively gas impermeable, said first chamber being configured to receive pressurized gas;

    a second, distal chamber having an opening at a distal end thereof adjacent to the second end of the drug housing; and

    a rapidly openable divider disposed between the first and second chambers, and effective upon opening to propagate a shock wave through said distal chamber to said second end of the drug housing.

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