<unk>  is an outdated surgical procedure in which the cartilage of the pubic symphysis is divided to widen the pelvis allowing childbirth when there is a mechanical problem. It is also known as pelviotomy, synchondrotomy.
Symphysiotomy
Myofascial release
Occipital cryoneurolysis
Arthrodesis
Intervertebral disc arthroplasty
Condylar decompression
Narcosynthesis
Intervertebral disc annuloplasty