Cleaning systems for reprocessing surgical instruments

A cleaning fixture for a surgical instrument, the cleaning fixture comprising:

• a handle receiving portion configured to receive a housing of a surgical instrument;
• a shaft receiving portion extending distally of the handle receiving portion and configured to receive a shaft and an end effector assembly of the surgical instrument, the shaft receiving portion including an elongate muzzle defining a longitudinal axis and a lumen configured to house the shaft and the end effector assembly of the surgical instrument;
• a knife actuation assembly movably coupled to the handle receiving portion or the shaft receiving portion, wherein the knife actuation assembly is configured to selectively actuate a knife trigger assembly of the surgical instrument to advance a knife of the surgical instrument between jaw members of the end effector assembly thereof;
• and
• a jaw-prop mechanism movably coupled to a distal end portion of the elongate muzzle, the jaw-prop mechanism including a foot disposed in the lumen of the elongate muzzle and configured to maintain the end effector assembly of the surgical instrument in an open position.