realistic 3D render of a medical nanite‑based regenerator implant, isolated white. The device is a sealed ceramic capsule (2 cm long) with a silver rim. The capsule is half‑transparent (dark grey), showing a faint blue glow (nanites). One end has a sterile injection port. Laser‑etched medical symbols and a serial number. The surface is pristine. Highly detailed textures (ceramic, metal, glass), 8K.