CRAVT: A Prospective, Randomized Study Comparing Transvenous Cryothermal and Radiofrequency Ablation in Atrioventricular Nodal Re-entrant Tachycardia

A bioreactor for cell co-culture having at least first and second cell culture chambers which are separated by a porous membrane. The membrane has at least one sealing gasket integrated in the membrane and being integral therewith. The sealing gasket defines a closed perimeter delimiting a first cell culture area.