| 摘要 |
A retractor assembly for retracting a surgical incision in a patient, having a plurality of perimeter mounting rails. The retractor having first and second generally opposed spreader arms movable relative to each other along a guide member connected thereto, through the actuation of a drive mechanism. Each of first and second spreader arms having respectively a first and second blade portion adapted to retract opposing edges of a surgical incision. The first and second spreader arms and guide member are provided with a mounting rail configured and sized for selectively mounting an instrument-positioning member thereto. The instrument-positioning member is adapted to cooperatively engage mounting rail on either of spreader arms or rack bar and is slidable along a length of the mounting rail when it is in an loosened configuration and adapted to resist any movement along the mounting rail when it is in a locked configuration.
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