abstract |
A surgical instrument ( 4 ), a handle ( 2 ) for use with the surgical instrument and a surgical instrument system are described. The surgical instrument and handle comprise complementary features to ensure a secure connection between the instrument and handle. hi one embodiment the instrument comprises an outer shaft ( 12 ), an inner shaft ( 14 ) and an operative portion. The outer shaft comprises opposed flat surfaces ( 16 ) allowing it to be engaged by the handle on the flat surfaces. The inner shaft comprises a latch surface ( 26 ) at its proximal end for engaging a latch mechanism in the handle. In other embodiments a radial bore ( 18 ) is provided in the outer shaft of the instrument. This can be engaged by an elongated member in the handle. |