Abstract: A device and method for treating bodily diseases and/or conditions, for example, varicose veins, tumors and aneurysms including for example insertion of a blocking device toward a target destination using a catheter and delivery of sclerosing or other agents to the vessel while maintaining minimal, for example zero pressure in the treatment area. The blocking device may prevent treatment materials, embolisms, debris etc. from entering the upstream section of vessel. The blocking device may include, for example, a cap or other concave shape and may be expandable or extendible towards the vessel walls.

Abstract: A device and method for treating bodily diseases and/or conditions, for example, varicose veins, tumors and aneutisms including for example insertion of a blocking device toward a target destination using a catheter and delivery of sclerosing or other agents to the vessel while maintaining minimal, for example zero pressure in the treatment area, The blocking device may prevent treatment materials, embolisms, debris etc., from entering the upstream section of vessel. The blocking device may include, for example, a cap or other concave shape and may be expandable or extendible towards the vessel walls.

Abstract: There is provided herein a system, device and methods for performing minimally invasive spider vein treatments. In some embodiments an apparatus for eliminating spider veins comprises a dual syringe mechanism that includes a pusher for pushing sclerosant materials into a target vein, and an extractor for extracting debris from a target vein; a needle for application into a target vein; and a Y-connector connecting each exit of the dual syringe mechanism to the needle. In some implementations the apparatus's dual syringe mechanism includes a locking mechanism to enable controlled advancing of the syringe pusher.

Abstract: A method for administering a liquid medical substance in a vein. The method comprises inserting a plurality of tubular ducts into a target venous lumen, conducting a liquid medical substance via at least one of the plurality of tubular ducts (106, 215, 419, 602) for the administering thereof toward a venous wall (110, 410) at the target venous lumen in an ejection pressure, quantity and direction, and withdrawing a residue of the liquid medical substance from the target venous lumen, in a suction pressure, quantity and direction, for the conducting thereof via at least one different of the plurality of tubular ducts (130, 240, 400). A relation between the ejection pressure, quantity and direction and the suction pressure, quantity and direction limits the extent of the administering within the venous lumen to a predefined space.

Abstract: A method for administering a liquid medical substance in a vein. The method comprises inserting a plurality of tubular ducts into a target venous lumen, conducting a liquid medical substance via at least one of the plurality of tubular ducts (106, 215, 419, 602) for the administering thereof toward a venous wall (110, 410) at the target venous lumen in an ejection pressure, quantity and direction, and withdrawing a residue of the liquid medical substance from the target venous lumen, in a suction pressure, quantity and direction, for the conducting thereof via at least one different of the plurality of tubular ducts (130, 240, 400). A relation between the ejection pressure, quantity and direction and the suction pressure, quantity and direction limits the extent of the administering within the venous lumen to a predefined space.