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Multi-reservoir implantable pump with patient controlled actuation

  • US 8,034,029 B2
  • Filed: 05/25/2005
  • Issued: 10/11/2011
  • Est. Priority Date: 05/25/2005
  • Status: Expired due to Fees
First Claim
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1. An implantable pump comprising:

  • a housing and two flexible membranes disposed within said housing, said housing and said two flexible membranes defining at least a first, second and third chamber;

    an outlet in fluid communication with said first and second chambers;

    a first replenishment opening in fluid communication with said first chamber and a first septum sealing the first replenishment opening; and

    a second replenishment opening in fluid communication with said second chamber and a second septum sealing the second replenishment opening; and

    a patient controlled actuation mechanism in fluid communication with said second chamber,wherein said two flexible membranes are attached to each other to entirely surround said third chamber.

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