一、研究背景2008年3月,喜欢打球的我因打球骨折了。在医院治疗期间,我体会到了不能自如行动的种种不便,还给医生护士带来麻烦。于是我思考,有没有好方法来搬运行动不便的病人呢?我常常听在医院工作的妈妈抱怨:手术后的病人无法行动,需要用推车搬运回病房。但从手术 First, the research background In March 2008, I like to play because I broke a broken ball. During the hospital treatment, I realized the inconvenience of inability to act and brought trouble to the doctors and nurses. So I wondered if there was a good way to carry patients with mobility problems. I often heard mothers working in hospitals complain that patients after surgery are unable to move and need to be transported back to their wards by trolleys. But from surgery