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Compounding assembly for nutritional fluids

  • US 5,927,349 A
  • Filed: 12/09/1996
  • Issued: 07/27/1999
  • Est. Priority Date: 12/09/1996
  • Status: Expired due to Fees
First Claim
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1. An assembly adapted for the attachment of a transfer set thereto and for controllably transferring fluids from a Plurality of individual source containers through the transfer set to form a desired mixture in a receiving container, the transfer set being in fluid communication with the source containers and the receiving container, the assembly comprising:

  • a pump adapted to operatively act on at least one of the fluids to force a flow of said fluid along a portion of the set, the rate of the flow varying in at least partial dependence on a characteristic of said fluid;

    a fluid type sensor adapted to receive a portion of the set and in noninvasive sensor contact with the fluid flowing within the set, said fluid type sensor including a first sensor adapted to transmit a signal into the set, a second sensor adapted to receive from the set the signal transmitted by said first sensor to determine a type characteristic of the fluid, said fluid type sensor providing a first output indicative or said type characteristic;

    a flow rate distinguishing sensor in operative contact with the receiving container and providing a second output indicative of said flow rate;

    a controller receiving said first input from said fluid type sensor and said second input from said distinguishing sensor, the controller being configured to determine the fluid type from a plurality of said at least three possible fluid types utilizing said first input from said type sensor and utilizing said second input from said distinguishing sensor.

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