Fluid delivery apparatus having a stored energy source

Details Fluid delivery apparatus having a stored energy source Fluid delivery apparatus having a stored energy source

1993-05-28

1994-08-09

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604 85, 604246, 6048901, 128DIG12, A61M 3700

Patent

active

053361881

ABSTRACT:
An apparatus for accurately infusing medicinal agents into an ambulatory patient at specific rates over extended periods of time. The apparatus is of a compact, low profile, laminate construction and includes either an elastic distendable membrane, or a thin barrier member which, in cooperation with a thin planar base defines a fluid chamber having a fluid outlet. The apparatus includes an internal stored energy source which functions to controllably expel the medicinal agents from the apparatus. The stored energy source may comprise either a distendable elastomeric membrane or an expandable sponge like cellular mass.

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