Tender For supply of double lumen close suction catheter system for simmultaneous suctioning & irrigation for both tracheal* tracheostomy tubes , system must contains 360 degree swivel connector , mdi adaptor , track - wedge device to aid disconnection of catheter , must have lockable thumb valve for patient safety , should have ce & usfdasize - 14 fr- 75 nos, size - 16 fr- 75nos and size - 12 fr- 50 nos .