Selectively lockable holding arrangement for a surgical access system

A selectively lockable holding assembly for a surgical access assembly, comprising:

• a body portion;
• an engagement barrel;
• a retaining member at a distal end of the body portion;
• wherein the engagement barrel is positioned on the body portion and configured to be selectively rotated about the body portion;
• and
• a rotation brake mounted on the engagement barrel and receiving the body portion, wherein the rotation brake is selectively operable to frictionally grip the body portion to lock the engagement barrel against rotation with respect to the body portion, wherein the rotation brake comprises a leg, and a selectively turnable brake lever having a main body section and opposing finger tabs extending outwardly therefrom, wherein sloped members are disposed on a top surface of the main body section, a groove is disposed between the sloped members, and the opposing finger tabs are rotatable to cause the sloped members to engage against the leg.