Stiffness is a very common side effect of any surgery or injury. Especially after a knee surgery, the knee becomes stiff and immovable. The healing of a joint can be helped in mobilisation with a Continuous Passive Motion (cpm) machine. When you properly apply a cpm during the first two stages of stiffness, it helps in pumping of blood and oedema fluid away from the operated joint and tissues. This will enable maintenance of normal soft tissue. Thus, the machine is effective in preventing stiffness development. Not just the knee, this concept has been successfully applied to the elbow rehabilitation too.
Cpm machine is a device which is used to gently extend and flex the knee joint. It is generally used after a surgery to help the knee joint bend slowly. It can be used for both the arm and the leg. There are three types of motion exercises including passive range of motion, where the therapist or equipment will movethe joint using a range of motions. Here there is no effort from the side of the patient. Cpm machine is attached to the operated knee. This machine will move the knee in a range of motion for a particular period of time. All this is done while the patient is relaxing and does not have to move.
The cpm machine can be used by the patient while he is still in the hospital or when he comes back home. This period will be somewhere around 3 weeks after the surgery. The cpm is mainly used with the machine starting with a pre-defined quantity of knee flexion. It is then slowly increased on a daily basis.
Why is cpm used?
The main intention to use a cpm is to maintain flexibility of the knee even after the surgery. The cpm is used under different protocols by experts, thus it is advised not to use the machine without proper assistance or guidance.
Guideline to use a cpm-
- Make sure your entire skin is padded well. This is because your legs may develop pressure sore if not padded properly.
- The machine must be applied properly to the leg. If not, it might harm the legs. So, always ask a nurse or a doctor does it for you.
- Also, they must assist you while you remove the machine too. Because even the removal should be properly done.
Uses of cpm –
- Increase of knee flexion
- Decrease in pain post-operatively
- Decrease in function of the knee after operation
- Increase in quality of life indicators
- Decrease in risk of adverse effects
Many studies have found out that there are small, but considerable improvements seen in the health of the patient and his injured knee when he uses cpm. Thus, many doctors do suggest it to the patients who undergo knee transplantation surgery. The patients enjoy the clinical benefit of the cpm. The patients can also buy cpm unit online now. But, it is advised that one buys such complicated machines only under the advice of doctors and medical professionals.
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