| 摘要 |
A retractor (10) for holding open an anatomic space developed in a patient for performing an endoscopic procedure therein, said retractor comprising a substantially rigid elongate member (12) having proximal and distal ends, said elongate member being at least partially curved in its longitudinal dimension, and having a generally arcuate cross-section defining a passage (18) therein, and an endoscope channel (40), said channel being on an inside surface of said elongate member, and extending distally along a portion thereof, wherein said elongate member is provided with circumferentially extended edges (24) and wherein said extended edges comprise tabs (24) integrally formed in said elongate member. |
