The disclosure relates to a device for performing diagnostics and/or therapy and related kit, system, computer program, methods and computer readable mediums. The device of this disclosure has the advantages that the device does not need access to the pericardium and that the whole system including kit and device can be removed after diagnostics/therapy. A device for performing diagnostics and/or therapy of an organ in the thoracic cavity, comprising an organ support (10), which organ support (10) is devised to be arranged exterior to an organ, and comprises: a flexible structure (14), such as a fabric, net, coil, bag or mesh, which is configured to cover a region of the organ, the region comprising at least the surface at an apex of the organ at least one actuator (16), such as a motor, for actuating a movement of the flexible structure (14) for the therapy, and optionally at least one transducer (18), is provided.
