Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed
Patent
1973-08-31
1977-03-15
Croyle, Carlton R.
Pumps
Expansible chamber type
Elongated flexible chamber wall progressively deformed
417478, 128214F, F04B 4308, F04B 4312
Patent
active
040121771
ABSTRACT:
The Blood Pump Tube Element will prevent the destruction of blood cells during a prolonged pumping of blood. The device comprises a series of interconnected bag-like chambers within a tube. The chambers fully contain fluid (blood) and each is provided with inlet and outlet valve means. The tube is engaged by a plurality of rollers mounted on rotating arms, thereby giving a peristaltic pumping action to the fluid in the bag-like chambers. Additionally, the position of the rollers on the arms may be adjusted.
REFERENCES:
patent: 419481 (1890-01-01), Lee
patent: 2527614 (1950-10-01), Arpin
patent: 2553543 (1951-05-01), Bodine
patent: 3074351 (1963-01-01), Foster
patent: 3148624 (1964-09-01), Baldwin
patent: 3597124 (1971-08-01), Adams
patent: 3673924 (1972-07-01), Zakrzewski
patent: 3679331 (1972-07-01), Kushner
patent: 3687580 (1972-08-01), Griffiths
patent: 3720485 (1973-03-01), Holman
patent: 3749290 (1973-07-01), Micallef
Croyle Carlton R.
Ross Thomas I.
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