A 10 year old male gives history of fracture in the elbow region 3 years back, now presents with tingling sensation and numbness in little finger, probable fracture is

Orthopaedics

A 10 year old male gives history of fracture in the elbow region 3 years back, now presents with tingling sensation and numbness in little finger, probable fracture is

What is the use of the given instrument:

Which fracture results in the given deformity?

Positive pivot shift test in knee is because of injury to -