CPC A61B 34/30 (2016.02) [A61B 34/70 (2016.02); A61B 2017/00477 (2013.01)] | 18 Claims |
1. An apparatus comprising:
an instrument manipulator comprising a housing and a motor pack movably mounted in the housing, the motor pack comprising a drive unit and a drive output disk, the drive output disk configured to be coupled to one of an instrument or a sterile adapter assembly;
an insertion assembly coupled to the instrument manipulator and configured to move the instrument manipulator a first distance in a distal direction along an insertion axis, the insertion assembly comprising a preload track; and
a preload assembly comprising a cam follower assembly coupled to the motor pack via an arm, the cam follower assembly being positioned to move on the preload track from a first location on the preload track to a second location on the preload track in response to the instrument manipulator moving the first distance;
wherein:
the preload assembly moves the motor pack within the housing a second distance along the insertion axis in response to the cam follower assembly moving from the first location to the second location.
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