Final answer:
The Pavlik Harness is an orthotic device designed to treat hip dysplasia in infants by properly positioning their hips to allow for correct development.
Step-by-step explanation:
The Pavlik Harness is used for b. Hip dysplasia in infants. It is a specially designed orthotic device for treating developmental dysplasia of the hip (DDH) in babies. The harness positions the infant's legs in such a way that the hip joint can develop properly. Unlike casts or more restrictive devices, the Pavlik Harness allows for some movement while still ensuring that the hip can grow into the right position.