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Fluid delivery device with bolus injection site

  • US 5,779,676 A
  • Filed: 02/23/1996
  • Issued: 07/14/1998
  • Est. Priority Date: 10/11/1995
  • Status: Expired due to Fees
First Claim
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1. A fluid delivery apparatus comprising:

  • (a) a fluid delivery assembly having an outlet for delivering fluid from the apparatus, said fluid delivery assembly including;

    (i) a base having a fluid passageway in communication with said outlet;

    (ii) a stored energy means comprising at least one distendable membrane cooperating with said base to define a fluid reservoir in communication with said fluid passageway of said base; and

    (iii) a cover assembly connected to said base, one of said cover assembly and said base having a receiving chamber interconnected with said fluid passageway; and

    (b) a fill assembly interconnected with said fluid delivery assembly for filling said reservoir, said fill assembly comprising;

    (i) a container assembly including;

    a. a container having a fluid chamber; and

    b. means movable within said fluid chamber of said container for urging fluid from said fluid chamber; and

    (ii) an adapter assembly receivable within said receiving chamber for interconnecting said container with said fluid delivery assembly, said adapter assembly comprising a hollow housing for telescopically receiving a part of said container of said container assembly and including a second end;

    (c) delivery means in communication with said fluid reservoir for delivering fluid from said reservoir outwardly of the device; and

    (d) bolus injection means in communication with said delivery means for providing a bolus volume of fluid to said delivery means.

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