The Aircast Cryo/Cuff combines cold and compression in one device, without electricity. Many surgeons recommend it for home recovery after knee or shoulder surgery and injuries. This guide covers how it works, how to pick the right cuff, and how to set it up. Always follow your surgeon's or therapist's instructions on how long and how often to use cold therapy.
How the Cryo/Cuff works
The system has two parts: an insulated cooler you fill with ice and water, and a cuff that wraps around the joint. A tube connects them. When you raise the cooler above the joint, cold water flows into the cuff by gravity. The height of the cooler controls the pressure, so the cuff gently compresses the area while it cools. When the water warms up, you lower the cooler to drain it, then raise it again to refill the cuff with cold water.
No pump and no power cord means it's quiet and easy to use in bed or on the couch.
Choosing the right cuff
Each Cryo/Cuff is shaped for one body area. Pick the one that matches the joint being treated, then use the size chart on the product page to match the limb measurement.
- Knee: comes in medium and large. Measure around the thigh about 6 inches above the kneecap and compare with the size chart. See the large knee system and the medium knee system.
- Shoulder: one design that wraps the shoulder and is held with a strap. See the shoulder cold therapy system.
- Replacement cuffs: if you already have a cooler, you can buy the cuff on its own, like the large knee cuff only.
If you are between sizes, ask your surgeon's office. Many clinics measure patients before surgery.
Setting it up
- Fill the cooler with ice up to the fill line, then add cold water to the water line.
- Close the lid and let it chill for a few minutes.
- Put the cuff on as shown in the instructions, over a thin layer such as a sleeve or the dressing your surgeon applied. Do not put it directly on an open wound.
- Connect the tube to the cuff.
- Raise the cooler above the cuff to fill it. Higher means more pressure; follow the height in the instructions.
- Close the valve or disconnect, and set the cooler aside.
- When the cuff warms, connect again, lower the cooler below the joint to drain, then raise it to refill.
Tips for using it at home
- Keep the cooler topped up with ice so the water stays cold.
- Check your skin regularly. Stop and call your doctor if you see unusual color changes, numbness or pain.
- Follow your care team's schedule for how long each session lasts and how often to repeat it.
- Rinse and air-dry the cuff and cooler after use.
Alternatives and add-ons
For general aches or after the early recovery period, reusable cold packs and moist heat pads can help. See our oversize reusable cold pack, the Ice It knee cold therapy system, or browse the full hot and cold therapy collection. For rehab exercises after surgery, see our rehab and exercise equipment.
Frequently asked questions
Do I need a prescription?
No. The Cryo/Cuff is sold without a prescription, though many people buy it on their surgeon's recommendation.
Is it FSA or HSA eligible?
Cold therapy devices are commonly eligible. Check with your plan administrator.
Can I use it after the swelling goes down?
Many people keep using it for comfort after activity or therapy sessions. Ask your therapist what's right for your recovery.
This guide is general information, not medical advice. Follow the manufacturer's instructions and your surgeon's or therapist's directions.