Anti-clogging liquid administration apparatus and method

Details Anti-clogging liquid administration apparatus and method Anti-clogging liquid administration apparatus and method

1975-04-10

1976-12-28

Mancene, Louis G.

Surgery

Respiratory method or device

Ozone or ion generation

128214C, 128214E, 128DIG12, A61M 500

Patent

active

039995429

ABSTRACT:
An improved method and means for preventing the intravascular needle of liquid infusion apparatus from clogging uses a delivery control means which operates in two modes at two liquid delivery rates. In the first operating mode, the delivery control means may be set to deliver liquid to a patient at a selected rate. In the second operating mode, the delivery control means supplies liquid at a slower rate which is sufficient to flush the needle. The transition from operation in the first mode to operation in the second mode is initiated in various ways in response to the volume of liquid delivered to a patient.

REFERENCES:
patent: 3242924 (1966-03-01), Kraft et al.
patent: 3884228 (1975-05-01), Hahn
patent: 3901231 (1975-08-01), Olson

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