human
What is the proper medical name for a removable cast?
gpt
The proper medical name for a removable cast is an orthosis. 

A removable cast, also known colloquially as a walking cast, walking boot, air cast or splint, is a type of orthosis designed to provide immobilization and stability while still allowing some basic mobility and weightbearing activity to be carried out. It provides stability and protection to an injured area like a broken bone, fracture, joint sprain, surgical repair etc while allowing the patient to walk short distances with crutches or other assistive devices like a walking stick, knee scooter & so on.