Barton’s fracture is
Barton's fracture is an intraarticular fracture of the distal radius. 
Here fracture extends from the articular surface of the radius to either its anterior or posterior cortices. 
The small distal fragments get displaced and carry with it the carpals. (carpal bone subluxation) 2 types of volar Bartons fracture and dorsal Bartons fracture. 
Treatment: closed manipulation and plaster cast. when closed reduction fails, internal fixation with plate may be required.
Intra-articular fracture distal end radius with carpal bone subluxation
Fracture distal end humerus
Extra-articular fracture distal end radius
Intra-articular fracture distal end radius