Left ventricle vacuum control and pressure relief valve

Details Left ventricle vacuum control and pressure relief valve Left ventricle vacuum control and pressure relief valve

1986-07-10

1988-02-16

Pellegrino, Stephen C.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604118, 604129, 604247, 1375123, F16K 17164

Patent

active

047252669

ABSTRACT:
The valve is positioned in the left ventricle drain line and includes a check valve which permits flow only away from the heart and downstream of the check valve includes a vent valve which prevents buildup of pressure. In addition, the valve includes a vacuum orifice to limit left ventricle drain line vacuum intensity applied to the heart.

REFERENCES:
patent: 3384113 (1968-05-01), Pennisi
patent: 3416567 (1968-12-01), Von Dardel et al.
patent: 3995617 (1976-12-01), Watkins et al.
patent: 4502502 (1985-03-01), Krug
patent: 4642097 (1987-02-01), Siposs
patent: 4657536 (1987-04-01), Dorman
patent: 4671786 (1987-06-01), Krug

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