#$%^&*AU2010202567B220150402.pdf#####END EFFECTOR IDENTIFICATION BY MECHANICAL FEATURES ABSTRACT According to one aspect of the present disclosure, a surgical instrument (10) is disclosed. The instrument (10) includes a handle portion (112), a body portion (168) 5 extending distally from the handle portion (112) and defining a first longitudinal axis and a loading unit (169). The loading unit (169) includes a tool assembly, the loading adapted to be coupled to the body portion (168). The instrument (10) also includes a sensor tube (360) movably positioned within the body portion (168), the sensor tube (360) adapted to engage the loading unit (169) and a load switch coupled to a microcontroller. The load 1o switch (230) is adapted to be actuated by the sensor tube (360) when the sensor tube (360) is engaged by the loading unit (169) being inserted into the body portion (168).1/8 CDC 0 .OL co 0( to CO4/8 AL 0 0 0 C"J CC C-,)5/8 (0) CLC
