Patent ID: 9504817
Filing Date: 2016-11-29
CPC Classification: A61M

Claim Text:
1. A disposable set ( 5 ) for establishing a fluid connection between a fluid dispensing unit ( 17 ) and a dosing device adapted to dispense a fluid into a patient's vein, the disposable set comprising a length of a tubing ( 15 ) for establishing the fluid connection from the fluid dispensing unit towards and into the dosing device, wherein the tubing ( 15 ) comprises a first ( 1 ) and a second ( 10 ) tubing part, the first tubing part ( 1 ) being provided to establish at a first end part ( 4 ) a connection to a second end part ( 9 ) of the second tubing part ( 10 ), and at a second end part ( 14 ) a connection towards the fluid dispensing unit, the second tubing part ( 10 ) being provided to establish at a first end part ( 6 ) a connection towards the dosing device and the patient and at a second end part ( 9 ) a connection to the first tubing part ( 1 ), wherein the first tubing part ( 1 ) comprises a first one-way valve ( 3 ) which is provided to permit a fluid flow from the dispensing unit ( 17 , 18 ) towards the dosing device and to prevent a backward fluid flow from the dosing device towards the fluid dispensing unit, wherein the first end part ( 4 ) of the first tubing part and the second end part ( 9 ) of the second tubing part ( 10 ) are in fluid connection with each other in a liquid tight manner by means of a releasable connection device ( 11 , 12 ), of which a releasable connection is adapted to permit a backflow from the patient into the second tubing part ( 10 ) in a direction of the releasable connection device in a released position of the releasable connection and to prevent a backflow from the patient in the direction of the releasable connection device ( 11 , 12 ) in a closed position of the releasable connection, characterized in that the first tubing part comprises one or more second one-way valves ( 24 ) which are provided to permit a fluid flow from the second end ( 14 ) of the first tubing part ( 1 ) towards the first end ( 4 ) of the first tubing part ( 1 ) and to prevent a backward fluid flow from the first end ( 4 ) of the first tubing part ( 1 ) towards the second end ( 14 ) of the first tubing part ( 1 ); wherein the second end ( wherein said one or more second one-way valves (