It is a serious bit of kit, but if you are likely to need to splint a complete leg then this is the item you need. This amazing bit of kit has never been used, only taken out of the bag for the pictures.
Donway Traction Splint Pneumatic Emergency Rescue Broken Fracture leg
Complete 5-Piece Emergency Fracture Splint Kit with Arm, Leg, Support Child/Adult Traction Splints, for First Responders, EMT, Paramedic Medical Use
MENURSY Emergency Leg Traction Splint - Fracture Immobilizer for Calf and Thigh, Adjustable First Aid & Rescue Device with Padded Straps for EMS, Ambulance, Outdoor Trauma Care (Adult-2)
Portable Lightweight Traction Splint with 4 Leg Straps for Emergency First Aid Pain Reduction in Adults and Children
Traction Splint for Adults and Children - Portable Lightweight Immobilization Emergency First Aid with 4 Leg Straps to Effectively Reduce Pain
Portable First Aid Air Splint Set, PVC Inflatable Emergency Vacuum Splint, Immobilization Body, Limbs and Cervical Spine, with Air Pump, Can Be X-rayed/CT, for Emergency Rescue