The paper is an attempt to determine the assumptions for the development of working conditions including the needs of people with disabilities and the elderly. The basis for the development of assumptions were the experiences in the field of analysis of working conditions, mainly in health units and shaping of public space through innovative non-discriminatory solutions. Three main areas have been presented in the article, in which the transfer of knowledge may be acquired during the study: the area of ergonomics (ERG), the area of accessibility of work space with the relation of freedom in mobility and safety (SPA), and the area of information availability (INF). The considerations included in the article apply in the concept of Design for All (DFA), which is the one of the pillars of European Union directives, entitled European act on the availability, being a respond to the demographic challenge by increasing participation in the labour market and society for all

The article demonstrates the important problematic areas associated to the ergonomics of surgical instruments during their usage. For this purpose, an analysis of cholecystectomy surgery with the use of laparoscopic instruments was conducted. There was identified the individual operations performed by surgeon, as well as the particular laparoscopic instruments. The prepared in this way study material, allowed for evaluation of design features of tools used in laparoscopic surgery from functional and ergonomic point of view and developing special research procedure for ergonomic assessment. Particularly, the critical states within the selected body postures in the system were identified: an operator (surgeon) and a surgical tool, as well as the areas of ergonomics corrective intervention in the process of using laparoscopic instruments