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Drug administration device over full protection valve

  • US 5,158,547 A
  • Filed: 04/08/1991
  • Issued: 10/27/1992
  • Est. Priority Date: 04/08/1991
  • Status: Expired due to Term
First Claim
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1. An apparatus comprising:

  • a. an implantable housing containing a reservoir;

    b. a catheter in fluid communication with said reservoir;

    c. a fill port in fluid communication with said reservoir; and

    ,d. means coupled to said fill port for preventing said reservoir from becoming over filled from said fill port.

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