Fig. 3From: Technique and clinical results of a new intramedullary support nail and plate system for fixation of 3- or 4- part proximal humeral fractures in older adultsMethod of humeral head fragment reduction in the ISNPs group. A Insertion of a laminar spreader into the medullary canal through the lateral fracture line. B Reduction of the humeral head by opening the spreader. C Provisional fixation of the humeral head to the scapular glenoid using a Kirschner wireBack to article page