The crossbar secures to the rail clamp to provide support for frame arms and retractor handles. The patented Hinged Bilateral Crossbar (shown below right) is hinged to allow multiple-planed retraction for a variety of procedures, and is the only product of its kind on the market.
Crossbars: Unilateral Crossbars: Patented Hinged Bilateral
Crossbars (unilateral):

Crossbar with 2 Cam Joints 24″ (11″ x 13″) 41900BC (shown above)

Crossbar with 2 Cam Joints 24″ (8″ x 16″) 41900BCW

 

Bilateral Crossbars:

Bilateral Crossbar Hinged (11 1/2″ x 8 1/2″ x 11 1/2″) 41900PH

Bilateral Crossbar Hinged (14 1/2″ x 10″ x 14 1/2″) 41900PHL

Bilateral Crossbar Hinged (11″ x 8 1/2″ x 11″) 41900H

Bilateral Crossbar Hinged (14″ x 10″ x 14″) 41900HL

Bilateral Crossbar (7 1/4″ x 13 1/2″ x 7 1/4″) 41900F