Klein's design was a significant advancement over previous models. Early electric wheelchairs were often bulky, cumbersome, and limited in functionality. They typically featured large, heavy batteries and required considerable effort to operate. In contrast, Klein's electric wheelchair was more compact and user-friendly, incorporating a joystick control that provided seamless maneuverability. Users could easily steer, stop, and navigate tight spaces with minimal effort, making it a revolutionary tool for mobility.

1. Independence and Empowerment One of the most significant advantages of self-propelled wheelchairs is the independence they provide. Users can propel themselves, making decisions about their movement without relying on others. This autonomy fosters a sense of empowerment and confidence, enabling individuals to pursue work, education, and social activities.

Safety is a significant concern for the elderly, and portable toilet chairs are designed with this in mind. Features like non-slip footpads and sturdy construction minimize the risk of falls, which can be particularly dangerous for older adults. Additionally, many chairs include a removable bucket or pan for easy cleaning and maintenance, ensuring that hygiene is upheld without much effort.

Another important aspect is trying out different models to gauge comfort. A walker that is simple for one individual to maneuver may not be suitable for another. Therefore, personal testing is advisable alongside discussions with healthcare providers or occupational therapists, who can provide guidance based on medical history and lifestyle.