The subject matter of the present invention is a computer device for tracing (100) surgical instruments (DMi, i being a positive integer) in a hospital environment, said device (100) comprising: —a support platform (10) designed to receive a surgical instrument (DMi, i being a positive integer), a digital camera (20) designed to capture at least one digital image (I) comprising a view from above of at least a portion of the surgical instrument (DMi), an electronic circuit for processing images (30) configured for detecting in said at least one digital image (I) at least one visual characteristic of said surgical instrument (DMi) and for determining at least one piece of visual data (P_PIC) associated with said pictorial element, a digital scale (40) configured to measure the weight of the surgical instrument (DMi) and to determine weight data (D_PDSi) containing information relating to the measured weight； the present invention also relates to the associated method.
