A SUCTION SYSTEM FOR DRAWING A SUBSTANCE, PREFERABLY A FLUID, OUT OF A CANISTER

摘要

The present invention relates to a closed suction system for residue free sucking a substance, preferably a fluid, comprising a canister (10) for holding the substance, wherein the canister (10) comprises a body (12), having a top part (14), at least one nozzle (20), preferably located at the top part (14), wherein the nozzle (20) comprises a first opening (22), and a suction lance (24) for sucking the substance out of the body (12), wherein the suction lance (24) comprises an upper end (26) being connected to the first opening (22) and a lower end (28) being located next to the bottom part (18) of the canister (10), and a second opening (30), preferably at the top part (14) of the body (12), suitable for filling the substance into the body (12), a connector closure (36) for sealing the canister (10), wherein the connection closure (36) is designed to seal and/or open the first opening (22) and/or the second opening (30) separately at the same time, wherein the connection closure (36) further comprises a venting means for venting the inside of the body (12) of the canister (10), wherein the suction lance (24) is formed integrally as part of the body (12) of the canister (10).