Patent ID: 7291134

Claim:
A connector for adding medication from a syringe to an intravenous fluid comprising: (a) a hollow cylindrical body having (i) a first port on one end for adding medication to the intravenous fluid, (ii) a second port on another end for connection to a catheter which is inserted into the vein of a patient, and (iii) a third port intermediate said first and second ports for attachment to a intravenous fluid source; (b) a luer connection on an open end of said first port; (c) a valve housing secured within said first port and having a spider dividing said housing into an upper cavity and a lower cavity and a valve seat on an underside of an upper end of said upper cavity opposite said spider; (d) a valve stem having a notch near the middle and mounted within said housing by the engagement of said notch with said spider; (e) a resilient disc mounted on said stem and biased against said seat; (f) said resilient disc being displaced from said seat by the force of fluid passing through said first port into said body.