New Zealand Joint Registry - NZJR
NZ Joint Registry . In 1997 the New Zealand Orthopaedic Association (NZOA) agreed to establish a national Hip and Knee Register to be based at the Department of Orthopaedic Surgery at Christchurch Hospital, directed by Professor Alastair Rothwell (Chairman and Registry Supervisor). . While this initiative was intended to mark 30 years of joint arthroplasty in New Zealand it was also recognised that there was a real need to collect data on implants and outcomes. .