#$%^&*AU2014200180A120140130.pdf#####Abstract A safety transfusion catheter comprises a flexible retention tube fitted over a metal guiding needle. The flexible retention tube is provided with a needle handle connected with it. The angle between the end of the flexible retention tube and its longitudinal axis or longitudinal tube wall is less than 900.The cross section of the needle handle has an outer contour line of a closed curve formed with a curve intersecting a beeline. A further safety transfusion catheter comprises a flexible retention tube fitted over a metal guiding needle, a transfusion connecting tube in fluid communication with flexible retention tube and a rubber casing cap at the end of the flexible retention tube. The back end of the metal guiding needle is in telescoping engagement with a hollow sleeve. The transfusion connecting tube and flexible retention tube form a T-shaped or an oblique Y-shaped structure. A safety protect sheath shorter than the metal guiding needle is provided at the end of the hollow sleeve. A spring is provided between the end hub of the metal guiding needle and the front end of the hollow sleeve. A seesaw typed stop block is provided in the hollow sleeve. A reset button is provided on the portion of the hollow sleeve having the seesaw typed stop block.
