Thoracentesis Paracentesis Tray. Contains: polyurethane drainage catheter with self-sealing safety valve 8 french, (4) 3/4" PVP swab sticks, (6) gauze sponges, 3" x 3", filter needle 19 gauge x 1-1/2", (2) ampules lidocaine hydrochloride, USP 1%, 5ml scalpel #11, universal drainage set and vacuum extension set. Our trays provide all the components necessary for diagnostic or therapeutic fluid withdrawal. Multiple side ports on catheters reduce the chance of obstruction, ensuring optimum return of fluid. Sterile packaging and single-use design reduce the risk of cross contamination as well as the cost of reprocessing.