Patent ID: 8376987

Claim:
A two-chamber syringe device comprising a) a cylinder element ( 2 ) with a distal outlet opening ( 5 a ), a proximal opening ( 5 b ) and one or more transfer channels ( 9 ), b) a closure-element ( 6 ) of the distal outlet opening ( 5 a ) comprising a needle pierceable sealing disk ( 11 ) placed onto the outlet opening of the cylinder element and a fixing sleeve ( 12 ) enclosing the needle pierceable sealing disk ( 11 ), and c) a distal plunger ( 3 ) and a proximal plunger ( 4 ), which can be introduced into the cylinder element ( 2 ), a chamber being formed between the closure element ( 6 ) and the distal plunger ( 3 ) inside the cylinder element ( 2 ), wherein one or more fluid-tight, gas-permeable membranes ( 8 ) are arranged in the wall of the cylinder element ( 2 ).