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Fluid delivery apparatus

  • US 5,169,389 A
  • Filed: 01/16/1991
  • Issued: 12/08/1992
  • Est. Priority Date: 06/16/1989
  • Status: Expired due to Fees
First Claim
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1. A device for use in infusing medicinal fluids into a patient at a controlled rate comprising:

  • (a) a base having a width;

    (b) energy storage means for forming, in conjunction with said base, a fluid chamber having an outlet and a height substantially less than said width of said base, said energy storage means comprising at least one distendable member superimposed over said base, said member being distendable, as a result of direct pressural contact with the fluids to be infused, to establish internal stresses, said stresses tending to return said member to a less distended configuration; and

    (c) dispensing means operably associated with said outlet for dispensing fluid from the device.

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