PROBLEM TO BE SOLVED: To provide surgical access devices that facilitate inserting and removing surgical instruments during laparoscopic surgical procedures through a single incision.SOLUTION: An elongated body of each of a plurality of access ports 700a, 700b inserted into a single incision 740 through the abdominal wall of a patient includes a telescopic tube surrounded by an elastomeric sheath. The trocar shaft is extended into the elongated body to elongate the telescopic tube to stretch and reduce the profile of the elastomeric sheath, and the elastomeric sheath is releasably secured in a stretched condition.本発明は、手術用アクセス装置（又は手術用アクセス・ポート）及び関連する方法に関する。より詳細には、本発明は、有利には、単一切開腹腔鏡下手術（「ＳＩＬＳ」）手技での使用に有利に適合したかかる装置に関する。本発明はまた、かかる手術用アクセス装置が関与するキット及び方法にも関する。【選択図】図５７
