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Multi-cartridge fluid delivery device

  • US 7,914,499 B2
  • Filed: 03/28/2007
  • Issued: 03/29/2011
  • Est. Priority Date: 03/30/2006
  • Status: Active Grant
First Claim
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1. A fluid delivery device for administering a first medicament and a second medicament comprising:

  • a housing;

    a first reservoir within the housing and configured to contain the first medicament;

    a second reservoir within the housing and configured to contain the second medicament;

    a first basal drive mechanism within the housing and having a first hydraulic fluid reservoir;

    a first pump chamber in fluid communication with the first hydraulic fluid reservoir of the first basal drive mechanism via a first flow restrictor, the first pump chamber configured to engage the first reservoir to provide a basal delivery of the first medicament during use;

    a second basal drive mechanism within the housing and having a second hydraulic fluid reservoir;

    a second pump chamber in fluid communication with the second hydraulic fluid reservoir of the second basal drive mechanism via a second flow restrictor, the second pump chamber configured to engage the second reservoir to provide a basal delivery of the second medicament during use; and

    a needle having a first end configured for fluid communication with the first reservoir and a second end configured to extend exteriorly from the housing.

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