SURGICAL LOADING UNIT INCLUDING AN ARTICULATING END A surgical loading unit (100) comprising: an elongate body (102)； an end effector (110) having a proximal portion pivotably coupled to a distal portion of the elongate body (102)； and a knife assembly (160) disposed within the elongate body (102) and including: an elongate guide member (170) pivotably supported in the distal portion of the elongate body (102) and defining a longitudinally-extending channel (172)； and a flexible knife bar (162) extending through the channel (172) of the elongate guide member (170), the knife bar (162) configured to move through the channel (172) of the elongate guide member (170), wherein articulation of the end effector (110) relative to the elongate body (102) in a first direction effects movement of a distal portion of the elongate guide member (170) in a second direction, opposite the first direction.
