| 摘要 |
<p>A device includes an access port adapted to permit access of a surgical instrument into a patient. The access port includes a proximal portion, a distal portion, and an intermediate portion monolithically formed. The proximal portion includes a proximal flange. The distal portion includes a distal flange. The intermediate portion includes an outer surface and an inner surface. The access port is adapted to be positioned in the patient such that the proximal flange is disposed exteriorly and the distal flange is disposed interiorly in an operative position. The access port is adapted to form a seal with the surgical instrument positioned through the access port in an operative position.</p> |
