Abstract: A small modular reactor apparatus and an operation method thereof are provided. A small modular reactor apparatus includes a body unit including a reactor core therein; and an opening and closing unit that is provided to be mounted and detachable from the body unit to open and close an interior of the body unit, wherein the opening and closing unit is provided to be mounted and detachable based on seating downward inside the body unit, and a plurality of In-core instrument (ICI) modules for state measurement of a small modular reactor are inserted and mounted in the opening and closing unit.

Abstract: Provided is a ventricular assist device cannula, and more particularly, a ventricular assist device cannula with electrodes. An exemplary embodiment of the present invention provides a ventricular assist device cannula with electrodes, including: a connecting tube connecting an incision of a body tissue and a ventricular assist device so that blood can flow; and electrodes connected with the connecting tube and contacting the incision of the body tissue to transfer an electric signal to the body tissue.