Laryngoscopes that are suitable for tigers should have long (< 360mm), straight, or gently curved blades. Suitable commercially available examples can be sourced from eg: Advanced Anaesthesia Specialists (http://www.aasmedical.co.uk/) – see picture below. However, these are not cheap.
Alternatively, with ingenuity, suitable laryngoscopes can be made from easy-to-source, low-cost materials.
An example is given below:
The torch/inner tube can be slid up/down the shoehorn to suit the size of animal’s mouth