Centesis Device

A closed one way valve that allows for rapid draining, while preventing the misdirection of air or fluid back into the patient.

  • Reduces risks associated with thoracocentesis and improve patient safety.
  • Ensures a closed system during abdominocentesis and thoracocentesis.
  • Replaces traditional three-way stopcocks with two one-way valves.


The Smart-Y provides a closed system to allow for accurate measurement and rapid draining of fluid or air in the chest or abdomen. The closed system provides reliable sterility and fool-proof security, while the one-way valves allow for rapid draining and ease of use.

The Smart-Y eliminates erroneous settings which could cause iatrogenic pneumothorax. The dual, one-way check valves are a fail safe way to ensure the right direction for fluid and air travel. Designed with safety in mind, the Smart Y has two one-way valves and two MicroClaves® to ensure a closed system is maintained should the syringe or lines become disconnected.

How it works

The Smart-Y is the smart way to perform abdominal or thoracic centesis, eliminating the risk and confusion involved with these complicated procedures.

  • Smart-Y eliminates 3-way stop-cocks and their inherent problems and risks. Simply connect the Smart-Y to the patient, attach a syringe to extract fluid/air, and connect a drain bag or syringe to capture extracted material. Use for thoracocentesis or abdominocentesis.
  • Access the body cavity with needle, wingset or other puncture device. Contect the male luer lock of the Smart-Y to the wingset. Connect a syringe to the MicroClave (green band) opposite the male luer which will act as a "pump." Connect an extension set (or capture syringe) to the MicroClave (red band) adjacent to the male luer as a capture device.
  • To begin drainage, pull the plunger of the "pump" syringe. The syringe will fill with fluid or air. Push the plunger of the "pump" syringe to expel the contents into the drain collection device. If the capture device is positioned below the patient, fluid will continue to siphon without the need for pumping.