A SURGICAL INSTRUMENT

摘要

The present application relates to a surgical instrument for use in minimally invasive surgery of a body. The instrument has: an elongate barrel having a first end that in use of the instrument is inserted through an opening in the body such that the barrel extends through the opening, and a second opposing end; a finger having one end that is pivotally mounted on the first end of the barrel, the finger being movable between a plurality of positions; and a drive mechanism for adjusting the position of the finger, the drive mechanism extending from the second end along the barrel and having a ratchet mechanism such that the finger can be selectively held in any one of the plurality of positions.