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Table 2 Average distance of the (closest) locking bolt to the axillary nerve and the ascending branch of the anterior circumflex artery.

From: Intramedullary fixation of proximal humerus fractures: do locking bolts endanger the axillary nerve or the ascending branch of the anterior circumflex artery? A cadaveric study

Nail bolt-axillaris distance (mean) SD bolt-ascending branch distance (mean) SD
Synthes PHN 7.48 mm 3.5 19.2 mm 6.0
Synthes EPHN 6.4 mm 5,1 14.2 mm 3.0
Targon PH 13.6 mm 8,1 5.8 mm 3.1
Stryker T2-PHN 2.7 mm 1,1 8 mm 4.3
S&N Trigen PH 10 mm 2,7 8.1 mm 2.1
Zimmer Sirus 1 mm 2 14.1 mm 3.9