Integrated operating room ceiling systems: one plan for pendants, lights and screens

Why plan the ceiling as one system

The ceiling of a modern theatre carries more equipment than ever: an anaesthesia pendant, a surgical pendant, two or three lights, several monitors, a camera and perhaps a laminar-flow canopy. Each of these is usually specified by a different department or supplier.

When they are chosen separately, problems appear at installation: arms that cannot pass each other, a monitor hidden behind a light head, services in the wrong place. An integrated plan fixes the positions, load points and parking zones before any steel or ceiling panels are ordered.

The main components

Ceiling pendants supply gases, power and data and carry equipment. Solido pendants from Lojer can be configured as surgical or anaesthesia pendants with the required components, always built to order, as shown on the Solido page. SIMEON Sim.CARRY offers rigid columns, extension arms and motorised arms in models 50, 100, 200, 150 and 250, with supply consoles and a Z console with lift for anaesthesia machines or endoscopy trolleys on selected versions; see Sim.CARRY.

Lights and monitors hang on suspension systems. Sim.FLEX takes up to four arms on one central axis, can be extended after installation and offers arms up to 2,000 mm (Sim.FLEX). Q-Flow suspensions come as SOLO, DUO, TRIO and QUAD ceiling configurations (Q-Flow suspension).

Step-by-step ceiling layout

Work from the table outward. Fix the table position and its rotation range, then place the surgical team, the anaesthesia position and the screens. Only then locate pendants, light axes and monitor arms.

Draw each arm's reach as a circle on the ceiling plan and mark parking positions. Check overlaps between circles at the heights where arms actually work. For heavily equipped rooms such as hybrid ORs, see our guide on hybrid operating room lights.

• Fix the table position and rotation
• Place anaesthesia and surgical pendants
• Place light axes so shadows fall away from the surgeon
• Position monitor arms for every team member
• Mark parking positions outside the laminar-flow zone
• Check collisions at working height, not only in plan

Avoiding collisions and blind spots

Collisions occur when arm lengths and axis spacing are not matched. Keep axes far enough apart that a light head can pass a pendant arm, and avoid putting two arms of similar length on adjacent axes unless their vertical levels differ.

Blind spots arise when a pendant or monitor sits between the light and the field. Position pendants toward the side or head of the table, and verify with a test light at planned heights during the design review. Also review sightlines from each team member to each screen.

A practical tip is to build a simple full-size mock-up before ordering. Mark the table, pendant columns and light axes with tape on the floor and string at working height, and let the surgeon and scrub nurse walk through a typical case. Problems found at this stage cost nothing to fix.

Load paths, services and cleanliness

Every axis transfers load into the structure, so each fixing needs structural approval; see our guide to surgical light installation. Route gases, power and data to pendants early. The Solido range, for example, states a supply of 100 to 230 VAC and up to 2000 W per socket for its pendants.

Keep ceiling surfaces seamless and easy to disinfect, and consider air movement: arms and heads in the air stream disturb laminar flow, a point explained in our article on surgical light laminar flow.

Request a ceiling layout review

Send Beckfinity your room plan, ceiling height and equipment list and our specialists will propose a coordinated arrangement of pendants, lights and monitor arms and a quote. Contact us via the contact page.