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Method of delivering fluid mixtures to multiple patients

  • US 7,427,281 B2
  • Filed: 08/28/2001
  • Issued: 09/23/2008
  • Est. Priority Date: 10/28/1993
  • Status: Expired due to Fees
First Claim
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1. A method of delivering fluid to multiple patients, comprising:

  • (a) providing a fluid delivery system comprising a reusable fluid path and a plurality of per-patient disposable fluid paths, the reusable fluid path including(i) a first fluid source;

    (ii) a second fluid source;

    (iii) a helical vane mixer adapted to mix fluids from the first and second fluid sources, the plurality of per-patient disposable fluid paths each including a first end connectable to a patient of the multiple patients and a second end connectable to the reusable fluid path;

    (b) connecting the second end of a first per-patient disposable fluid path of the plurality of per-patient disposable fluid paths to the reusable fluid path and the first end of the first per-patient disposable fluid path to a first patient of the multiple patients to define a fluid path between the first and second fluid sources and the first patient;

    (c) mixing the fluids from the first and second fluid sources to create a first mixture with a predetermined content for the first patient;

    (d) delivering the first mixture to the first patient through the first per-patient disposable fluid path;

    (e) disconnecting the first per-patient disposable fluid path from the reusable fluid path and the first patient;

    (f) connecting a second per-patient disposable fluid path to the reusable fluid path and a second patient of the multiple patients;

    (g) mixing the fluids from the first and second fluid sources to create a second mixture with a predetermined content for the second patient; and

    (h) delivering the second mixture to the second patient through the second per-patient disposable fluid path.

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