SITE MARKER DEVICE

摘要

A site marker device (10), and marker (60) are provided. The site marker device (10) includes a housing (12), and a distally extending delivery tube (14). A pusher rod (40) is movably positioned within the delivery tube (14). An actuator (16) is provided to provide two a stage advancement. During the first stage, the delivery tube (14), and the pusher rod (40) are advanced through the distal end of the elongated tubular body (14). During the second stage of advancement, the pusher rod (40) is advanced independently of the delivery tube (14) to eject a marker (60) from the distal end thereof. The marker (60) is formed from a shape memory material, and has a circular or hoop configuration in the relaxed state.