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Sequential flow rate infusion rate

  • US 5,298,025 A
  • Filed: 04/12/1993
  • Issued: 03/29/1994
  • Est. Priority Date: 07/08/1991
  • Status: Expired due to Fees
First Claim
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1. A device for infusing liquid into a patient comprising:

  • casing defining a plurality of cavities;

    resilient elastomeric bladders corresponding to each of the defined cavities, the elastomeric bladders and the defined cavities defining fluid chambers within the interior of the bladders;

    elongated prestress member contained within the fluid chamber of at least one elastomeric bladder, the prestress member having a substantially uniform, circular cross-sectional shape;

    the casing further defining fluid communication means adapted for providing fluid communication between the plurality of elastomeric bladders to provide a fluid system; and

    housing defining a fill port and an exit port in fluid communication with the plurality of elastomeric bladders.

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