Surgery – Truss – Perineal
Patent
1974-09-30
1976-05-11
Frinks, Ronald L.
Surgery
Truss
Perineal
3 17, 128DIG3, 417244, 417389, 417394, A61M 103, A61F 124
Patent
active
039555577
ABSTRACT:
This invention relates to a blood pump for use in an artificial heart including an inlet pump system and an output pump system in series with each pump including branch tubes communicating with first main inlet tube, each branch tube being equipped with a flow-in side valve and a flow-out side valve with a flexible middle portion of the branch tubes which is expanded or contracted to provide a pulsatile pump with flow-out end of each branch tube connected to a second main tube with the second main tube of the inlet pump system being connected with the first main tube of the output pump and with the branch tubes of each system being ultimately expanded and contracted at different rates to provide a blood pump which achieves excellent hemodynamic effects without requiring synchronization with the rhythm of a natural heart.
REFERENCES:
patent: 3020846 (1962-02-01), Thomas
patent: 3182335 (1965-05-01), Bolie
patent: 3881483 (1975-05-01), Sausse
"Results of Total Artificial Heart Implantation in Calves", by C. S. Kwan-Gett et al., The Journal of Thoracic and Cardiovascular Surgery, Vol. 62, No. 6, Dec. 1971, pp. 880-889.
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