In general terms, embodiments of the present invention relate to systems, methods, and computer program products for determining forecasting data relating to a product using a neural network and accessing that forecasting data. The present invention also includes a method of manufacturing the blood pump and a method of implanting the blood pump. When the door executes a pivotal movement in a first pivoting direction, the controlling mechanism pivots the door handle in a second pivoting direction opposite the first pivoting direction, as such, reliable actuation of the door handle is achieved.