Instrumentation and methods are provided for upper jaw correction surgery. The application discloses an orthopedic system and method that can be used to perform both a first distraction (for example a maxillary distraction) and a second distraction (for example a maxillary expansion) within the same surgical procedure. The instrumentation for separating first and second bone segments can include a first footplate； a second footplate； an actuator arranged to vary a distance between the first and second footplates； and a hinge that rotatably attaches the first and second footplates such that the first and second footplates can be angularly adjusted relative to each other about a pivot axis. Additionally, instrumentation and methods are provided for a hinged fixation device capable of securing and adjusting both the linear separation and angular orientation of bone structures.本發明提供用於上顎矯正手術之工具及方法。申請案係揭露可用來在相同手術程序內進行一第一牽引(譬如一上顎骨牽引)及一第二牽引(譬如一上顎骨擴張)之一骨科系統及方法。用於分離第一及第二骨分段之工具係可包括一第一足板；一第二足板；一致動器，其配置為改變第一及第二足板之間的一距離；及一鉸鍊，其可旋轉地附接第一及第二足板使得第一及第二足板可繞一樞轉軸線相對於彼此作角度調整。此外，提供用於一能夠固接及調整骨結構的線性分離及角度定向之具鉸鍊的固定裝置之工具及方法。
