#$%^&*AU2016253582A120161124.pdf#####METHODS AND DEVICES FOR VENOUS OCCLUSION FOR THE TREATMENT OF VENOUS INSUFFICIENCY ABSTRACT A system for treating a vein, comprising: a catheter (200) comprising a proximal opening, a distal opening, and a sidewall, the catheter configured to deliver a vein-occluding substance within the vein, the catheter having a length sufficient to extend from a distal superficial leg vein to a superficial femoral vein junction a sheath configured to house the catheter at least partially therethrough, the sheath having a length of from about 25 cm to about 100 cm and an inside diameter of from about 3 French to about 7 French a luer lock configured to mate with the catheter at the proximal opening of the catheter and an injector (300) carrying the veinoccluding substance, the injector operably connectable to the catheter and comprising a control, wherein actuation of the control causes injection of a predetermined volume of vein-occluding substance, wherein the predetermined volume of vein occluding substance is between about 0.05mL and 0.5mL, wherein the injector comprises a removable chamber having a proximal end and a distal end configured to connect with the luer lock, the removable chamber further comprising a circumferentially enclosed lumen, the injector further comprising a movable wall, and an actuator configured to move the movable wall within the circumferentially enclosed lumen a predetermined distance upon activation of the control, the injector configured to deliver a plurality of spaced-apart boluses of the vein-occluding substance when the actuator moves the movable wall a predetermined distance, thereby expelling a bolus of vein-occluding substance from the chamber, wherein the distal end of the removable chamber forms the distal end of the injector.
