The container (1) has a cover (50) closing a cylindrical body part (10), where the cover is provided with a truncated cone-like element (74) projected into the body part. The cover has a circular sleeve (73) on an upper surface of the cover for detachably fixing an implant holder (20) in a stable position center to an inner chamber of the cylindrical body part, where the circular sleeve is designed as a perimetric circumferential edge. The body part is filled with a fluid i.e. electrolyte, where the container is made of high-density polyethylene or low-density polyethylene plastic.
