×

Implantable device for administering a treatment solution and operating device for a syringe for filling the device

  • US 6,730,060 B1
  • Filed: 05/28/1999
  • Issued: 05/04/2004
  • Est. Priority Date: 05/29/1998
  • Status: Expired due to Fees
First Claim
Patent Images

1. An implantable device for administering a treatment solution comprising:

  • a first housing body including;

    a first chamber having a refilling port sealed by a first puncturable septum; and

    a conveyance mechanism for conveying the solution out of the first chamber to an infusion site;

    a second housing body separately spaced from the first housing body and including a second chamber having an inlet port sealed by a second puncturable septum;

    a first fluid connection for connecting the first chamber to the infusion site; and

    a second fluid connection for connecting the second chamber to the infusion site, the second fluid connection including a pressure control valve for preventing flow of the solution from the second chamber to the infusion site when the solution is supplied to the second chamber at a pressure below a predetermined minimum pressure, wherein the pressure control valve opens only when the solution is supplied to the second chamber at a pressure above the predetermined minimum pressure.

View all claims
  • 8 Assignments
Timeline View
Assignment View
    ×
    ×