Fastening device

摘要

Fixing device (1) comprises at least one guide for at least one securing element. Independent claims are also included for fixing systems comprising fixing devices, positioning systems comprising fixing systems, and for an alternative fixing device. Preferred Features: The fixing device has a shaft (2) and a head (3). The shaft has an engaging region (2a) and an intermediate region (2b). The diameter of the intermediate region is greater than the diameter of the engaging region. The guide is a hole and/or a recess. The fixing device has a region provided with a thread.