A fluid collection apparatus is provided that includes a housing and a slidethat is moveably supported by the housing. The slide has a cannula tab adaptedto support a double ended needle and a plurality of connected segments thatare moveable extending therefrom. Proximal movement of the slide causes theplurality of segments to contract in a configuration forming a shield about aproximal end of the double ended needle. The housing may define a slot in anouter surface thereof that is configured to receive a portion of the slide forguiding movement. The cannula tab include a boss disposed adjacent a distalportion of the slide having the double needle mounted thereto. The cannula tabmay include a segment member having a button mounted thereto which is disposedwithin at least a portion of the slot and slideably engages the slot tofacilitate movement of the slide. The plurality of segments can include an endportion extending from a proximal end thereof. The end portion is disposedwithin a portion of the slot and cooperatively engages the slot to facilitatecontraction of the plurality of segments.