| 摘要 |
<p>A cranial flap fixation device (20) utilizing a piece design comprising an inner member (22) and an outer member (24). The inner member (22) includes a head (28) and a shaft (30) and the outer member (24) comprises a nut for securing onto the shaft. A driving tool (26) may be engaged with the inner member (22) for secured engagement with the outer member (24). The present invention is also a cranial flap fixation system (110) comprising three pieces, a nut (114), a bolt (112) and a lock washer (116). The bolt (112) having a threaded portion head (115) for receipt into the nut (114) and lock washer assembly (116), and the bolt (112) also having an extra wide head portion for secure engagement inside the patient's cranium. The bolt (112) is designed for use with a variety of bone structures since it is designed having an adjustable length so that the surgeon can cut the bolt after tightening onto the nut and lock washer assembly (116). A driving tool (26) may be utilized to secure the cranial flap fixation system (110).</p> |
