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Infusion system having plural fluid input ports and at least one patient output port

  • US 4,696,671 A
  • Filed: 06/11/1986
  • Issued: 09/29/1987
  • Est. Priority Date: 02/08/1984
  • Status: Expired due to Term
First Claim
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1. An infusion system, comprising:

  • a housing having disposable cassette receiving means;

    a disposable cassette releasably mounted to said cassette receiving means of said housing;

    said disposable cassette including means for receiving individual ones of plural infusion flow lines;

    means for pumping to at least one output line;

    means cooperative with said line receiving means for selecting among plural sources of fluid respectively in fluid communication with said plural infusion flow lines that are to be individually pumped in any order by said pumping means;

    said disposable cassette including means coupled to all of said plural sources of fluid and cooperative with said selecting means for guiding each individual fluid selected from among the plural sources of fluid to the pumping means along a fluid path common to the plural sources and for guiding each such fluid from the pumping means to the at least one output line;

    a clock for providing a timing signal;

    means connected to the pumping means and to the clock for controlling the pumping means in accordance with the said instructions and said timing signal; and

    means for establishing said set of instructions for each of said plural sources to include rate of pumping.

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