In consultation hour for FYP, I have discussed with my supervisor about the motor part...
Previous project use DC motor to operate the shaft for mechanical movement...
But it was lacked with power after load was applied...
So, my supervisor suggest me to do literature review on how knee joint therapy...
Through there I can selected the most ideal or most matching DC motor with the device...
This is sample picture of the DC motor that commonly used in CPM...
Higher DC motor specification is needed to move the load...
From research I obtain from internet, there were some criteria for designing and constructing the Knee Joint Joint Therapy device...
- Adjustability to a wide range of patient sizes
- Comfort, particularly for long uninterrupted application
- Use in a variety of settings: in bed while sleeping, while ambulating during the day, at home or in hospital
- Durability
- Light weight
- Low cost
- Full anatomic range of motion capability
- Multi-axis motion capability
- Minimum loading of joints
- Precise and variable range of motion (ROM) control
- Speed control
- Safe and reliable operation
- Simple and straightforward operation
- Protection for unstable joints
A variety of basic options are available to the designer and builder of CPM machines. Each selection results in a greater or lessor achievement of the above goals and a unique device results from every unique selection of options.
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