Nowadays, the life of disabled people have been becoming more easily and comfortably thanks to the support of modern science and technology products. There were many devices that were produced to serve for a number of needs of disabled people such as walking around and living activities. In daily life, the issues of moving up and down using staircases have always been big difficulties for these people. The aim of this thesis is to study the patents which were invented to resolve these problems or demands. By employing the research tools including TRIZ and patent map, it is possible to propose an innovative idea which has more impact and improved or advanced properties in order to satisfy the demands of disabled people.
Nowadays, the life of disabled people have been becoming more easily and comfortably thanks to the support of modern science and technology products. There were many devices that were produced to serve for a number of needs of disabled people such as walking around and living activities. In daily life, the issues of moving up and down using staircases have always been big difficulties for these people. The aim of this thesis is to study the patents which were invented to resolve these problems or demands. By employing the research tools including TRIZ and patent map, it is possible to propose an innovative idea which has more impact and improved or advanced properties in order to satisfy the demands of disabled people.