Left ventrical vacuum control and pressure relief valve

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

1985-03-25

1987-02-10

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604118, 604119, 604 32, 604129, 604248, 1375123, 15421, 251345, F16K 17164

Patent

active

046420975

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 manually adjustable vacuum control orifice whereby the surgeon can control the left ventricle drain line vacuum intensity applied to the heart.

REFERENCES:
patent: 2176139 (1939-10-01), Lofgren
patent: 3039463 (1962-06-01), Dickey, Jr. et al.
patent: 3395705 (1968-08-01), Hamilton
patent: 3942596 (1976-03-01), Millsapps, Jr.
patent: 3958566 (1976-05-01), Furihata
patent: 3998227 (1976-12-01), Holbrook et al.
patent: 4502502 (1985-03-01), Krug
patent: 4512765 (1985-04-01), Muto
patent: 4543101 (1985-09-01), Crouch

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