The aim of this paper is to show the significance of the function of Mechanic of Surgical Instruments in raising up a modern, in 19th century terms, surgical clinic by prof. Ludwik Bierkowski. Exploiting mainly source materials, this article discusses the character of mechanical occupations and his duties. The personality of Gotlob Jentsch, first to take this position, and his immediate successor Karol Schneider and their relations with Bierkowski were also presented.