The present invention concerns a device for extraction and analysis (1) of anatomical tissues, such as synovial liquid and the like, comprising an extraction line (2, 21, 211, 212) of said tissue to be analyzed, having a needle (22), for the withdrawal of said tissue to be analyzed, an extraction duct (21, 211, 212), an extraction syringe (24), having an inlet/outlet mouth connected fluid-dynamically to said needle (22) by means of said extraction duct (21, 211, 212), and an analysis device (3), fluid-dynamically connected to said inlet/outlet mouth of said extraction syringe (24) by means of said extraction duct (21, 211, 212), said analysis device (32) having one or more receptacles (321, 322, 323), in each of which a respective reagent is arranged, and reading means (33), for detecting possible alterations of said reagents.Linvention concerne un dispositif dextraction et danalyse (1) de tissus anatomiques, tels que le liquide synovial et analogues. Ce dispositif comprend une ligne dextraction (2, 21, 211, 212) du tissu à analyser, pourvue dune aiguille (22) servant à retirer le tissu à analyser, dun conduit dextraction (21, 211, 212), dune seringue dextraction (24) comportant un orifice dentrée/sortie relié dynamiquement en matière de fluides à ladite aiguille (22) au moyen dudit conduit dextraction (21, 211, 212), ainsi que dun dispositif danalyse (3) relié dynamiquement en matière de fluides audit orifice dentrée/sortie de ladite seringue dextraction (24) au moyen dudit conduit dextraction (21, 211, 212), ledit dispositif danalyse (32) comprenant au moins un réceptacle (321, 322, 323) dans lequel est placé un réactif respectif, ainsi que des moyens de lecture (33) destinés à détecter des modifications possibles desdits réactifs.