The Parker T2-05-IC micro diaphragm pump is specifically designed for the needs of portable medical devices for advanced wound care. The diaphragm pump provides the negative pressure required to draw down the dressing over the wound area and to maintain a constant suction for effective wound healing. Parker Hannifin Corp., Precision Fluidics Div., www.parker.com, 800-272-7537. Micro diaphragm pump