Functional Purpose
The primary medical purpose of a power mobility device (PMD) is not speed or outdoor travel. It is to enable **Functional Independence** within the home environment.
Clinically, powerchairs are prescribed when a patient can no longer safely or effectively perform **MRADLs** (Mobility-Related Activities of Daily Living). As visualized in our graphic (which preserves the complex engineering details from `image_6.png`), the precise drive and specialized high-traction tires enable intricate maneuvering. The glowing path under the wheels symbolizes how this technology restores prioritized access to key areas like the kitchen for feeding, the bathroom for toileting, and the bedroom for transferring. The purpose is to bridge the gap between capability and necessity.