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Multi-cartridge fluid delivery device

  • US 8,361,053 B2
  • Filed: 01/25/2011
  • Issued: 01/29/2013
  • Est. Priority Date: 03/30/2006
  • Status: Active Grant
First Claim
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1. A method of administering first and second medicaments from a fluid delivery device, the method comprising:

  • forcing hydraulic fluid from a hydraulic fluid reservoir into a first pump chamber, the hydraulic fluid in the first pump chamber exerting a force on a first piston to expel at least a portion of the first medicament through an aperture of a first fluid reservoir and deliver a first basal delivery of the first medicament;

    forcing hydraulic fluid from the hydraulic fluid reservoir into a second pump chamber, the hydraulic fluid in the second pump chamber exerting a force on a second piston to expel at least a portion of the second medicament through an aperture of a second fluid reservoir and deliver a second basal delivery of the second medicament.

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