Pediatric Orthopaedic Institute Problems affecting bones, joints, and muscles can be frightening for you and your child. At Allegheny Health Network (AHN), our friendly physicians and staff put you both at ease. Here you’ll find nationally recognized experts and a modern facility designed with kids’ unique needs in mind. We treat pediatric orthopaedic injuries and repair congenital (present at birth) conditions so your child can get back to doing what kids do. AHN Pediatric Orthopaedic Institute: Why choose us? The AHN Pediatric Orthopaedic Institute brings together all the physicians, tests, and treatments your child needs in one location. We combine compassionate care with the technologies that have been proven safe and effective for young patients.