Patient positioning support structure

A surgical table comprising:

• A) a patient support comprising a first segment and a second segment, the first segment comprising a first end and a second end opposite the first end, the second segment comprising a third end and a fourth end opposite the third end, the first and fourth ends forming opposite ends of the patient support, the second and third ends coupled to together to define a joint about which the first segment and second segment articulate relative to each other;
• B) a first support structure comprising a first vertical column and supporting a first displacement apparatus operably coupling the first vertical column to the first end of the first segment of the patient support, wherein the first vertical column is configured to vertically extend and retract, the first displacement apparatus comprising:
• a) a first rotation assembly operably coupled between the first vertical column and the first end of the first segment of the patient support, the first rotation assembly configured to rotate the patient support relative to the first vertical column and about an axis parallel to a longitudinal axis of the patient support;
• and
• b) a first angulation assembly operably coupled between the first vertical column and the first end of the first segment of the patient support, the first angulation assembly configured to facilitate the first segment articulating relative to the second segment about the joint, the first angulation assembly comprising:
• i) a first member operably coupled to the first vertical column via a first pivot, the first member comprising a longitudinal length extending generally parallel to a longitudinal length of the first segment of the patient support, the first end of the first segment pivoting relative to the first vertical column about the first pivot when the first segment articulates relative to the second segment about the joint;
• and
• ii) a second member operably coupled to the first segment of the patient support near the first end of the first segment, the second member configured to displace along the longitudinal length of the first member as the first segment and second segment articulate relative to each other about the joint;
• and
• C) a second support structure comprising a second vertical column and supporting a second displacement apparatus operably coupling the second vertical column to the fourth end of the second segment of the patient support, wherein the second vertical column is configured to vertically extend and retract, the second displacement apparatus comprising:
• a) a second rotation assembly operably coupled between the second vertical column and the fourth end of the second segment of the patient support, the second rotation assembly configured to rotate the patient support relative to the second vertical column and about the axis parallel to the longitudinal axis of the patient support;
• and
• b) a second angulation assembly operably coupled between the second vertical column and the fourth end of the second segment of the patient support, the second angulation assembly configured to facilitate the second segment articulating relative to the first segment about the joint, the second angulation assembly comprising a second pivot between the second vertical column and the fourth end of the second segment of the patient support, the fourth end of the second segment pivoting relative to the second vertical column about the second pivot when the first segment articulates relative to the second segment about the joint.