Merete brought the BioBall® system onto the market as a “modular joint prosthesis system” at the end of the 1990s. It has become the “standard” in hip athroplasty. The titanium BioBall® adapter allows intra-operative adjustment of intraoperative adjustment of offset, neck length, lateralisation/medialisation and antetorsion/retrotorsion with in situ stems.
