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Dual drug delivery device

  • US 8,945,052 B2
  • Filed: 10/31/2012
  • Issued: 02/03/2015
  • Est. Priority Date: 01/02/2008
  • Status: Active Grant
First Claim
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1. A liquid delivery apparatus comprising a liquid delivery pathway, the liquid delivery pathway comprising:

  • a liquid reservoir comprising a deformable balloon and a pressure source selected from the group consisting of a compressive sleeve spring and an electrolytic fluid cell, the deformable balloon having an interior volume and at least one deformable interior wall in the interior volume, the at least one deformable interior wall defining a plurality of reservoir chambers in the interior volume;

    a liquid metering unit fluidly connected to one of the reservoir chambers; and

    ,a catheter delivery tube fluidly connected to the liquid metering unit.

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