ABG II hip Medical Professional ABG II Family   • ABG II Cementless   • ABG II Modular   • Clinical Papers   • Online education   • Links   • Stryker access About us Contact us			Home >> Medical Professional >> ABG II Modular >> Op. tech. key points >> Neck selection Trial neck   18 trial necks are available as they are not reversible. The color coding helps to facilitate the transition between trial neck and real neck box label.     The trial necks provide information through the colored symbols and markings engraved on top and on the side of each neck: A large central dot sindicates a long neck, whereas a smaller dot indicates a short neck. No line associated to the dot indicates that the neck is neither varus nor valgus and neither anteverted nor retroverted. A vertical line indicates eather a valgus neck or a varus neck. An horizontal line indicates either an anteverted or retroverted neck depending on the side (right or left) as shown on the diagram. The removable tray, with all the trial necks, features 2 slots (one for a left stem, one for a right stem) which enable isolating the selected neck. The symbols then make an intuitive pattern of the chosen neck (varus/valgus, short/long, anteverted/retroverted). In this example, it is valgus anteverted neck (as it is on the right side).	ABG II Modular Quick picture •   The range •   Op. tech. key points •   Pre-operation planning  - Preparation of the femur  - Use of broacher/trial prostheses  - Neck selection  - Implantation of femoral component  - Trials on stem  - Implantation of the final neck  - Insertion of permanent head  - Mechanical test result •
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