ROCKER ARM ASSEMBLY FOR HEAD FIXATION DEVICE

A head fixation device includes an assembly with two or more contact features. The assembly includes an arm that is non-curved in some versions. In some versions, the arm of the assembly defines a degree of curvature that is less than 40 degrees, and more preferably less than 30 degrees. In at least some versions, the assembly provides that at least two of the two or more contact features define a contact angle with the skull of about 90 degrees when contacting a generally or substantially planar portion or region of the skull. 一种头部固定装置，包括具有两个或更多个接触特征的组件。在一些形式中，该组件包括非弯曲的臂。在一些形式中，组件的臂限定小于40度、更优选小于30度的曲率度数。在至少一些形式中，该组件提供两个或更多个接触特征中的至少两个，当接触头骨的大致或基本平坦部分或区域时，其限定与头骨约90度的接触角。