Detection of fluid flow faults in the parenteral administration

Details Detection of fluid flow faults in the parenteral administration Detection of fluid flow faults in the parenteral administration

1986-06-06

1987-12-01

Coven, Edward M.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

128DIG13, 604 67, A61M 500

Patent

active

047101636

ABSTRACT:
This invention is directed to a method and system for evaluating the fluid communication between a parenteral fluid delivery system and a patient's blood vessel. In accordance with the invention, one or more fluid flow pulses are applied to the fluid within the delivery system. Both positive and negative fluid flow pulses may be applied. The pressure response to the pulses under conditions of normal, unimpeded fluid flow is significantly different than the pressure response to such pulses when an infiltration or other fluid flow fault has occurred and this difference is used to detect fluid faults.

REFERENCES:
patent: 4525163 (1985-06-01), Slavik et al.
patent: 4526574 (1985-07-01), Pekkarinen
patent: 4534756 (1985-08-01), Nelson
patent: 4553958 (1985-11-01), Le Cocz
patent: 4617014 (1986-10-01), Cannon et al.

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