From the perspective of functional positioning, the rollator walker with seat emphasizes "autonomy + short-term rest", while the transport wheelchair emphasizes "dependence + long-term riding". The two have clear positioning and cannot be used interchangeably.
A manual wheelchair refers to a wheelchair that is completely driven by human operation. Its core design concept is to meet the needs of users for autonomous operation.
The transport wheelchair, also known as a transition wheelchair or a companion wheelchair, focuses on convenient transportation.