An apparatus comprising a plate and a fastener for connecting the plate to a bone portion

An apparatus comprises a member connectable with a bone portion and having surface means defining an opening. A fastener is extendable through the opening in the member to connect the member to the bone portion. The fastener has a first portion for engaging the bone portion, a second portion, and a longitudinal axis. The second portion of the fastener is expandable into engagement with the surface means defining the opening to prevent relative movement between the fastener and the member. The fastener includes an expander for expanding the second portion into engagement with the surface means defining the first opening. The fastener is positionable in any one of a plurality of positions relative to the member in which the longitudinal axis of the fastener extends at an angle relative to the axis of the opening.