Frequently asked questions
Yes. Several armrest models can be adjusted during surgery. The OneGrip R7 armrests can be repositioned as needed, while the electric armrests on the Carl Mk3, Mk3E, Mk4, and Mk2 R8 can be adjusted even under sterile drapes.
The maximum seat height on the electric Carl chairs is 900 mm (35.4 in), allowing most surgeons to achieve an ergonomic working posture.
Carl chairs are designed with surgeon ergonomics in mind and provide generous space for microscope pedals and other equipment commonly used during microsurgical procedures.
The Carl Mk2 weighs approximately 43 kg (95 lbs).
Carl Mk3 and Carl Mk3E are the most popular models in neurosurgery. They offer individually adjustable armrests, optional pedal platforms, and ergonomic support for long and physically demanding procedures.
The electric models are designed for a Safe Working Load (SWL) of up to 150 kg (331 lbs), while the mechanical models support up to 120 kg (264 lbs).
Carl Mk2 R7 is the most widely used and recommended model for ophthalmic surgery. Its unique base design provides excellent ergonomics, access to the surgical field, and ample space for microscope pedals and related equipment.
The chairs are very similar, but the Mk3E includes an additional control panel on the armrest, allowing the surgeon to adjust chair height and brake functions directly.
Carl Mk3 and Carl Mk3E are the most common models used in ENT surgery. They offer flexible arm positioning and individually adjustable armrests, making them suitable for both short and long procedures.
No. Many models are battery powered for convenient cordless operation, while some mechanical models do not require a battery.