Your healthcare provider prescribed a continuous passive motion (CPM) machine to use after surgery. The CPM machine is attached to a knee or other limb on which the surgery was performed. While you relax, the machine constantly moves the knee or other limb through a range of motion for a period of time. CPM is thought to prevent joint stiffness, relieve pain, and regain normal motion. The CPM has supportive padding, a power supply, and a frame that adjusts to your body. Here’s what you need to know about home care.
Recommendations for home care include the following:
Use the machine settings and make any adjustments as directed by your healthcare provider
Call your healthcare provider when you think you can stop using the machine completely. This is usually when your arm or leg can reach an extended (straight) position and when you can bend your arm or leg to the degree your healthcare provider recommended.
Use pain medicine as directed by your healthcare provider.
Follow any special instructions given to you by your healthcare provider. If you feel pain, stop the exercise. If the pain continues after stopping, call your healthcare provider.
Call 911 right away if you have:
Shortness of breath
Otherwise, call your healthcare provider immediately if you have:
Increased pain in the affected limb
Pain that is not relieved by medicine
Pain or swelling in the area near your surgery
Increased redness or any drainage around the incision
Numbness, tingling, or blue-gray color in your affected limb
Fever of 100.4°F (38°C) or higher, or shaking chills
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