Robinson described a classification for fractures of the clavicle. The authors are from the Royal Infirmary of Edinburgh.
Patient selection: fracture of the clavicle
Parameters:
(1) anatomic location
(2) displacement
(3) suffix for additional finding
|
Anatomic Location
|
Type
|
|
medial fifth
|
1
|
|
middle three fifths (diaphysis)
|
2
|
|
lateral fifth
|
3
|
|
Displacement
|
Designation
|
|
nondisplaced
|
A
|
|
displaced
|
B
|
|
Relationship to Joint for Types 1 and 3
|
Suffix
|
|
extra-articular
|
1
|
|
intra-articular
|
2
|
|
Type 2
|
Suffix
|
|
nondisplaced
|
2A1
|
|
angulated, nondisplaced
|
2A2
|
|
simple or wedge, comminuted
|
2B1
|
|
isolated or comminuted segment
|
2B2
|
Risk factors for nonunion:
(1) displaced fracture
(2) extent of comminution in type 2B fractures
