A modular operating theatre (OT) is an operating room designed using modular or prefabricated elements to provide flexibility, efficiency and ease of change in the operating environment. The modular concept is similar to that of a traditional operating room, but in the case of a Modular OT, key components such as walls, ceilings, medical equipment, air purification systems and other facilities are installed in a modular fashion.

The benefits of a modular operating theatre include

Flexibility: Modular OT allows for quicker changes or adaptations. For example, if new equipment or technology is required, modular operating rooms can be easily modified.
Efficiency: Because many components are pre-installed and well-configured, construction time is typically shorter than traditional OT construction.
Cleanliness and safety: Modular ORs can be designed to meet stringent cleanliness and safety standards with integrated air purification and infection control systems.
Environmental control: Modular operating rooms are often equipped with advanced air purification systems to maintain air cleanliness, reduce the risk of infection and create a safe surgical environment.
Ease of maintenance: Modular ORs can be designed for easy maintenance and repair, including access to medical equipment and technical systems.
Cost control: While initial costs may be higher, long-term maintenance costs tend to be more controlled due to more efficient systems and the ability to make changes without damaging the main structure.

Modular operating theatres are typically used in hospitals and other healthcare facilities to provide modern, easy-to-manage and flexible operating rooms. This is vital in the healthcare industry where technology and surgical techniques are constantly evolving.