Acetabular dysplasia and hip instability are common in neuromuscular diseases such as spina bifida and cerebral palsy due to deranged muscle function around the hip. Occasionally in developmental dysplasia of the hip, persistent instability may be difficult to manage by standard treatments. It is in these contexts that we wished to investigate whether a dislocatable hip could be stabilized by means of a transarticular suture acting as a reconstructed ligamentum teres. The aim of this study was to investigate and assess the iatrogenic damage caused by such a procedure on the immature proximal femoral physis, epiphysis, and hip joint.