| 摘要 |
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. |
