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

Table 1 Characterstics of the six different implants used in this study.

Nail	Bend	Length	Apex-bolt distance	Locking bolt orientation
Synthes PHN	6°	150 mm	18 mm	90°
Synthes EPHN	6°	150 mm	20 mm	90°
Targon PH	0°	150 mm	26 mm	90°
Stryker T2-PHN	6°	150 mm	30 mm	105°
S&N Trigen PH	0°	160 mm	32 mm	90°
Zimmer Sirus	9°	120 mm	37 mm	120°

ISSN: 1754-9493