世界卫生组织轮椅中级服务主要关注于解决行走和移动严重困难以及姿势控制较差人士的需求，同时重点关注姿势控制较差和不能独立坐直的儿童。步骤包括转介和预约、评定(面谈评估与身体检查)、处方(选择)、经费与订购、产品(轮椅)准备、适配、使用者培训、保养与维修、随访，重点介绍其中的身体检查和体位支撑装置。轮椅中级服务有流程规范化、评定个性化和体位支撑装置模块化的特点。提示我国辅具服务也应标准化、专业化和模块化。

World Health Organization Wheelchair Service Package-Intermediate Level focuses on the people who have severe difficulties in walking and moving around and also having poor postural control, as well as the children who have poor postural control and are unable to sit upright independently. It includes step 1 referral and appointment; step 2 assessment; step 3 prescription (selection); step 4 funding and ordering; step 5 product (wheelchair) preparation; step 6 fitting; step 7 user training; and step 8 maintenance, repairs and follow up. The physical assessment and postural support device of wheelchair service- intermediate level were emphasized. It is characterized as the standardized process, individual assessment and modular postural support device. It implies that it is important to make the assistive technology service system standardized, professional and modular.