A device adapted to be used for cell analysis, said device comprising: an analysis chamber adapted to contain a positioning fluid; a detection and control unit adapted to detect at least one parameter of a particle in the positioning fluid in the analysis chamber ; and at least one positioning unit adapted, during an analysis of the particle , to be activated and deactivated on the basis of the detected parameter of the particle , wherein the detection and control unit is adapted to activate the at least one positioning unit so as to generate a temporary positioning flow in the positioning fluid that drives the particle into a predefined position in the analysis chamber ; and wherein the detection and control unit is adapted to deactivate the at least one positioning unit when the particle is in the predefined position such that the fluid in the analysis chamber is at rest, characterized in that: the detection and control unit is adapted to detect the at least one parameter of the particle when the particle is suspended in the positioning fluid in the analysis chamber , the positioning unit is adapted to generate the temporary positioning flow in any spatial direction in the three dimensional space in the positioning fluid, wherein said temporary positioning flow acts directly on the particle in suspension and drives the particle in suspension into the predefined position in the analysis chamber , wherein said predefined position is any position in the three dimensions of the analysis chamber . an analysis chamber adapted to contain a positioning fluid; a detection and control unit adapted to detect at least one parameter of a particle in the positioning fluid in the analysis chamber ; and at least one positioning unit adapted, during an analysis of the particle , to be activated and deactivated on the basis of the detected parameter of the particle , wherein the detection and control unit is adapted to activate the at least one positioning unit so as to generate a temporary positioning flow in the positioning fluid that drives the particle into a predefined position in the analysis chamber ; and wherein the detection and control unit is adapted to deactivate the at least one positioning unit when the particle is in the predefined position such that the fluid in the analysis chamber is at rest, characterized in that: the detection and control unit is adapted to detect the at least one parameter of the particle when the particle is suspended in the positioning fluid in the analysis chamber , the positioning unit is adapted to generate the temporary positioning flow in any spatial direction in the three dimensional space in the positioning fluid, wherein said temporary positioning flow acts directly on the particle in suspension and drives the particle in suspension into the predefined position in the analysis chamber , wherein said predefined position is any position in the three dimensions of the analysis chamber . the detection and control unit is adapted to detect the at least one parameter of the particle when the particle is suspended in the positioning fluid in the analysis chamber , the positioning unit is adapted to generate the temporary positioning flow in any spatial direction in the three dimensional space in the positioning fluid, wherein said temporary positioning flow acts directly on the particle in suspension and drives the particle in suspension into the predefined position in the analysis chamber , wherein said predefined position is any position in the three dimensions of the analysis chamber . <EOS>