The absorbent elongated pledget (1) includes two opposite width ends, the pledget being made from a flexible, hydrophilic material, and having a portion that can be detected from outside the body (3). The pledget is characterized in that at least one of the two width ends of same is folded on itself, the fold of the width end being held by a fastening element (2) in a fold forming a cylindrical shape of the pledget and allowing insertion into and removal from a trocar.