FlexiOH® Short Arm Immobilizer – Doctors Shine A Light Devise On The Cast to Make It Rigid

Absolute washable orthopedic Immobilizer for immobilization of wrist joint and closed fractures at radius-ulna.
• Non-displaced /
Stable /
minimally displaced /
Buckle fracture of distal radius fracture
• Carpal bone fracture other than Scaphoid /

• As a removable splint during rehabilitation
FlexiOH® short arm immobilizers are designed for distal radius/non-displaced/stable fractures or carpal bone fractures other than scaphoid fractures. This breathable, washable and light weight (~300 gm) immobilizer provides better comfort to the patients compared to conventional casts. For application of FlexiOH® short arm immobilizer, healthcare professional first need to apply it on the patient’s hand with the zip and then cure it with the Rizycure® light device (recommended) or direct sunlight for around 3-10 minutes depending on the size of immobilizer. Once it is rigid,cut the puller of the zip with pliers so that patient can not remove the immobilizer by themselves.
FlexiOH® short arm immobilizer comes in 5 different sizes : XS, S, M L and XL. All of the immobilizers vary in terms of palm circumference, wrist circumference, and arm circumference. For the best fit of FlexiOH® short arm immobilizer, taking the measurement of patient’s hand is necessary before application.

SIZE CHART (in cm)
Size vs Measurement
(Short Arm Cast) XS S M L XL
Palm Circumference: 13 16.5 18.5 21 23.5
Wrist Circumference: 11 14 16 18.5 21.5
Arm Circumference: 18 21 25.5 28.5 32
FlexiOH® Cast Length: 24 28 30.5 34 38
* Above sizes fit better as per dimensions mentioned in the table.
* However FlexiOH® adapts to an oversize to certain extend by stretchability.
* We advise the healthcare professionals to choose the size as per patient’s comfort.
FlexiOH® Short arm immobilizer application process is as follows:

Step – 1 : Choose the appropriate size from given chart

Step – 2 : Apply cushioning to thumb to give extra comfort to pressure points

Step – 3 : Place immobilizer over the fractured hand anchoring thumb

Step – 4 : Lock the zip by placing insertion pin into retainer box

Step – 5 : Pull the puller of the zip until the end

Step – 6 : As it adapts to the shape of the hand, start reduction process

Step – 7 : Take fully charged RizyCure® Light Device

Step – 8 : Start curing around the thumb to give initial support to the broken bone

Step – 9 : Expose 3-10 minutes thoroughly and check every corner until it’s hardened
FlexiOH® provide ~46 % open area of skin to breathe, wash, and exposure to sunlight which all are necessary to maintain healthy skin.

Removal Step – 1 : It’s very simple, just unlock the zip

Removal Step – 2 : Apply little force and pull hand out from the immobilizer

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