| 3774604 | INFUSION CANNULA ASSEMBLY | November, 1973 | Danielsson | 604/32 |
| 3780736 | SURGICAL VALVE ASSEMBLY FOR URINARY BLADDER IRRIGATION AND DRAINAGE | December, 1973 | Chen | 604/32 |
| 3916948 | Control valve for medicinal fluids | November, 1975 | Benjamin | 137/559 |
| 3957082 | Six-way stopcock | May, 1976 | Fuson et al. | 137/625.41 |
| 4003403 | Stopcock | January, 1977 | Nehring | 137/625.41 |
| 4219021 | Multi-position stop-cock valve for intravenous administration of multiple medications | August, 1980 | Fink | 604/248 |
FIG. 1 is a perspective view of a medical valve showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a bottom plan view thereof; and
FIG. 6 is a side elevational view of the left side thereof, with the opposite side being a mirror image thereof.