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Pressure responsive multiple input infusion system

  • US 4,828,545 A
  • Filed: 04/16/1987
  • Issued: 05/09/1989
  • Est. Priority Date: 02/08/1984
  • Status: Expired due to Term
First Claim
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1. Apparatus for administering fluids into the circulatory system of a patient, comprising:

  • means for infusing at least one fluid to be infused at a desired flow rate into the circulatory system of the patient along a common fluid flow path said infusing means including a means for pumping said at least one fluid along the fluid flow path;

    means coupled to the fluid flow path for providing data representative of pressure along the fluid flow path downstream of said pumping means; and

    means coupled to the pressure data providing means and to the infusing means and responsive to the pressure data for controlling said pumping means to adapt the rate of flow as a function of said pressure data to maintain the desired flow rate.

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