An augmented reality device for fixed positioning of K-wires, comprising a binocular unit, a second camera unit and a control unit, wherein the binocular unit has a 3D display function, and the control unit has an image interface and a communication interface, the image interface is coupled to the two camera units and the two eyepiece units, and the communication interface is coupled to an information processing device in a wired or wireless manner, wherein the control is: Receiving, by the communication interface, stereoscopic image data of at least one bone provided with a patient having at least two grams of steel nails, and transmitting the stereoscopic image data to the eyepiece unit via the image interface to generate at least two One of the positioning marks 3D augments the real-world image, and the control unit provides the tracking and positioning function by the photographic image of the two photographic units, so that the at least two positioning marks of the 3D augmented reality image can At least two grams of steel nails remain overlapping, and the operator can adjust the at least two grams by at least one guiding trajectory provided by the 3D augmented reality image One of a fracture nail cross-section for the best angle of the needle in order to achieve a fracture fixation surgery.一種用於克氏鋼釘固定定位的擴增實境裝置，其具有二目鏡單元、二攝影單元及一控制單元，其中，所述二目鏡單元具有3D顯示功能，該控制單元具有一影像介面及一通信介面，該影像介面係與所述二攝影單元及所述二目鏡單元耦接，且該通信介面係用以與一資訊處理裝置以有線或無線的方式耦接，其特徵在於：該控制單元係藉由通信介面接收設置有至少二克氏鋼釘之一病患之至少一骨頭的立體掃描影像資料，再將所述的立體掃描影像資料經由影像介面傳送至目鏡單元以產生含有至少二定位標記之一3D擴增實境影像，且控制單元係藉由二攝影單元的攝影畫面提供所述的追蹤定位功能，使該3D擴增實境影像的所述至少二定位標記能和所述至少二克氏鋼釘保持重疊，俾利一手術操作者能夠藉由該3D擴增實境影像所提供的至少一導引軌跡調節所述至少二克氏鋼釘針對一骨折斷面之一最佳進針角度以實現一骨折的復位固定手術。
