Humerus - Sign IM Nail and Interlocking Screw System Technique Manual

Position
The patient is placed in beach chair position on the OR table, figure 1. All prominences must be
padded especially the radial nerve. The patient should be placed so the arm can hang off the table as
gravity may be used in the reduction.
Bony entrance
The hole should be placed in the greater tuberosity at the
junction of the articular surface. Use the curved awl,
figure 3.

HUMERUS

Fig. 1
Reduction
If open reduction is done first, avoid damage to the radial
nerve.
Skin incision
Palpate the bicipital groove and make the incision
posterior to the groove, figure 2. Use periosteal elevator to
Fig. 2
dissect through the fibers of the deltoid muscle. Split the
rotator cuff so it can be repaired. This is very important.
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Fig. 3
Bicipital
groove