Automatic blood sampling system and method

Details Automatic blood sampling system and method Automatic blood sampling system and method

1976-10-26

1978-11-28

Kamm, William E.

Surgery

Truss

Perineal

422 44, 422 81, 422 98, A61M 500

Patent

active

041271114

ABSTRACT:
An automatic blood sampling system and method which are characterized by preventing the transmission of electric shocks to the patient, by the use of only very small blood samples, by evacuating the used blood samples to waste and thus permitting the conduct of destructive tests on the samples, and by automatic and safe cleaning and rinsing of the tubing. This system distinctively defines a pair of mini-bypasses for the blood of a patient to produce blood circulation by-passing the blood stream of the patient and to withdraw the blood samples from the mini-bypasses, upon command from an automatic blood analyser and actuation by a logic circuit. The latter actuates the necessary electromagnetic valves by a binary coding corresponding to the "on" and "off" states respectively and to produce BLOOD SAMPLING, STANDBY, WASTE, WASH and FEED SAMPLE states of actuation of the valves in response to changes in the states of operation of the automatic blood analyser.

REFERENCES:
patent: 2455810 (1948-12-01), Ryan
patent: 3756234 (1973-09-01), Kopp
patent: 3838682 (1974-10-01), Clark et al.
patent: 3908653 (1975-09-01), Kettering
patent: 3910256 (1975-10-01), Clark et al.
patent: 3995623 (1976-12-01), Blake et al.
patent: 4014328 (1977-03-01), Cluff et al.
patent: 4030888 (1977-06-01), Yamamoto et al.
Drolet et al., "Automatic Blood Sampling System", Intnl. Conference on Biomedical Transducers, Paris, 11/7/75.

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