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DIAPHRAGM PUMP FOR ARTIFICIAL CIRCULATION, TYSON-BOWMAN PUMP
JAMES L. SOUTHWORTH, M.D.;
E. CONVERSE PEIRCE, II., M.D.;
THOMAS TYSON;
ROBERT L. BOWMAN, M.D.
AMA Arch Surg. 1953;66(1):53-59.
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| Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings. |
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IN THE past several years a number of investigators interested in intracardiac surgery have produced pumps to serve as mechanical hearts. Much of this work has been stimulated by the efforts of Gibbon,1 Dennis and associates,2 and others to produce an artificial heart-lung system and by the studies of Sewell and Glenn,3 and others,4 in which a pump is used to bypass parts of the heart. We became interested in this field in 1949, and thought that a small compact pump could be produced by using the diaphragm principle. This report describes the resulting pump and indicates how it operates when used to duplicate the right heart bypass operation described by Sewell and Glenn.3 Additional experience with this pump when used to bypass the left heart is reported elsewhere.5
GENERAL REQUIREMENTS FOR A MECHANICAL HEART
The mechanical heart used in these experiments was designed
. . . [Full Text PDF of this Article]
Author Affiliations
BALTIMORE; RICHMOND, VA.; BETHESDA, MD.
From the Section on Technical Development, National Heart Institute (Dr. Bowman).; Mr. Tyson is with Experiment Incorporated, Richmond, Va., the builders of this pump.; This work was done in association with the Section of Medicine and Experimental Therapeutics, National Heart Institute, in the Cardiovascular Clinic, Public Health Service Hospital, Baltimore (Drs. Southworth and Peirce).
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