Abstract: A mixed micro-fluidic multi-electrode grid array (MEGA) device (10) suitable for holding a tissue slice (6) and for recording and/or stimulating neuron cells from said tissue slice (6), the MEGA device (10) comprising at least a top substrate in the form of a grid (4) comprising at least an electrical and/or optical multi-electrode array and a bottom substrate in the form of a stack made of a grid (1) comprising an electrical and/or optical multi-electrode array and a backbone (2) underneath said grid (1) comprising a micro-fluidic perfusion system. Furthermore said MEGA device (10) comprises means (5) for pressing and positioning said first and second substrate together and adhering a tissue slice in between said two substrates.

Abstract: A bio-hybrid implant suitable for recording and/or stimulating cells, the implant comprising (a) at least one closed insulated chamber (1) containing a substrate (502) with a neural interface (13) for connecting neurons to an electronic circuit, (b) at least one flexible guiding channel (10) having a first interface (11) to connect to at least one of the closed insulated chambers (1) and a second interface (9) to connect to a hosts' nerve system (7) or to another insulated chamber.