Knee cpm machine instruction when doing rehab treatment

Rehabilitation training is playing a decisive role in the whole therapy program for fracture and after surgery patient. It concern to recovery of patient limbs and joint function. Knee cpm machine has wide application in clinical. If you want to maximize the therapy outcome you should be following below rules:


First- Make preparation before running the CPM machine

1-Adjusting the length of CPM machine strut according to the length of patient’s ham and crus. Then screw up the rotary knob.

2-let the patient put his knee on the supported frame of  knee CPM machine and patient’s foot must be fit to the pad well; foot position should be in 90 degree to horizontal line, the distance from patient’s foot to knee joint must be equal with the distance from foot pad to intersection angle of CPM machine; Patient’s knee joint position and intersection angle must be in the same horizontal line. The above step finished then tie the patient’s ham and crus on the CPM Machine.


Second- General operation:

1-running angle: 1-rehablitation training should be start from small angle (0-30degree), then slightly increase the degree (10degree per day) till the most angle that patient can be bear.

2-training time :Should be start to training after 24 hours when surgery finished ,2-4 times a day , 30-60 minutes per time , training duration should be 2-3 weeks.

3-running speed: Should be start from low speed to high speed. Cycle time at 0.75-8 minute’s .Knee joint moving speed could be from 0-4 degree per second.


Three-Adjusting operation for special patient:

1-for the patient who cannot unbend their knee , we can adjusting the length of CPM Machine moving pole ,So the start angle can be lower than Zero degree then we can training by the general methods.

2-for the patient who cannot unbend their knee. Should be stop running the CPM Machine for 2-5 minutes when its reach the degree that patient can bear the most.


Four-CPM Machine use scope:

1-Fracture of lower limb , including inside fracture of joint , long bone fractures , Dry iliac bone fracture and After open reduction and internal fixation surgery

2- After undergone arthroscopic lysis surgery, including traumatic arthritis and articular contracture.

3- Rheumatoid arthritis and after joint synovectomy

4-hemi – articular reconstruction or after total knee arthroplasty

5- after myositis ossificans surgery


Five-Matters needing attention

1-please tell the patent that Precautions and the situation may come out during the therapy program before using the CPM. Also let patient know the CPM machine therapy performance in order to enable patient can be work with treatment smoothly and happy

2- Please adjust the length of pole, screw up rotary knob and make sure the limb put on the CPM machine at correction position. Tie up the strap incase limb off the machine thus to ensure the motion range.

3-turn off the decompressed suction when using CPM machine. When training is done decompressed suction can turn on. Please turn off the CPM machine and handle the case on time if patient got adverse reactions or wound bleeding.

4-increase the angle should slowly and speed also from low to high. But should be based on the patient situation which also can reduce the uncomforted feeling



Knee CPM Rehabilitation machine is based on the theory that continuous passive motion, to simulate human natural motion, reconstruction the ability .It help to speed up the recovery of after knee surgery and make the knee joint and hip joint back to normal motion .Knee CPM suitable for different height patient because it can be adjustable for difference length of limb. The adjustable range is big and simple operation. But only you using at the early stage and correction operate can make increase the therapy effect .

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