US Patent 12123546 Load balancing arm for medical device support system

A load balancing arm for a medical device support system includes a proximal hub, a support arm, first and second springs, and a link. The link has a proximal end pivotably mounted to a link bearing element for pivotable movement about a link pivot axis, and a distal end pivotably mounted to a distal end of the first spring and a proximal end of the second spring. The link and first and second springs are configured such that the biasing forces exerted by the first and second springs are transmitted through the link to the link bearing element thereby to generate a moment about a main pivot axis of a proximal hub that counters a moment generated by a medical device load at a distal end of the support arm.