FlexiOH™ - The Next Gen Orthopedic Cast

FlexiOH® Ulnar Gutter Immobilizer

Absolute washable orthopedic Immobilizer for immobilization at meta-carpals and phalanges of the pinky and ring fingers.


  • Boxer’s Fracture
  • Non-displaced fourth or fifth Metacarpal Fractures
  • Non-displaced fourth or fifth Proximal Phalanx Fracture
  • Non-displaced fourth or fifth Middle Phalanx Fracture

Ulnar Gutter Immobilizer

FlexiOH® Ulnar Gutter Immobilizers are designed for immobilization of metacarpals and phalanges. It has an inbuilt soft cushioning padding which is very comfortable for skin contact. It is used to provide support for fingers injuries (ligament instability, sprain or muscle strain), fractures through the neck of the fifth metacarpal. HCP needs to apply it on the patient’s hand and then cure it with the RizyCure® light device (recommended) or direct sunlight for around 3-5 minutes depending on the size of immobilizer, until it gets rigid.

FlexiOH® Ulnar Gutter Immobilizer comes in 4 different sizes: S, M L and XL. All of the immobilizers vary in terms of wrist circumference, forearm circumference and finger length. For the best fit of FlexiOH® Ulnar Gutter Immobilizer, taking the measurement of the patient’s hand is necessary before application.


SIZE CHART (in cm)

Size vs Measurement
(Ulnar Gutter Immobilizer)
Wrist Circumference:14-1616-1818-20

* Above sizes fit better as per dimensions mentioned in the table.
* However FlexiOH® adapts to an oversize to a certain extend by stretch-ability.
* We advise healthcare professionals to choose the size as per patient’s comfort.

FlexiOH® Ulnar Gutter Immobilizer application process is as follows:

Step – 1 : For choosing the appropriate size first measure the arm circumference

Step – 2 : then measure the finger length and choose appropriate size from size chart

Step – 3 : Take the best fit size of Ulnar Gutter Immobilizer

Step – 4 : Place immobilizer below the fractured hand

Step – 5 : Adjust and wrap it round

Step – 6 : Lock the snap button to fix immobilizer around the palm

Step – 7 : Pull the puller of the zip until the end

Step – 8 : Adjust the immobilizer in such a way that it covers fingers and arm

Step – 9 : Position the fingers and palm before curing process

Step – 10 : Take fully charged RizyCure® Light Device

Step – 11 : Expose 3-10 minutes thoroughly and check every corner until it’s hardened

Step – 12 : After curing process apply the Velcro strap around the fingers

FlexiOH® provide ~46 % open area of skin to breathe, wash, and exposure to sunlight which all are necessary to maintain healthy skin.