The invention relates to a method of selecting, between sphygmomanometer cuffs of different sizes, an inflatable armband adapted to the circumference of a limb of a patient on which blood pressure is to be measured, characterized in that said method includes, for each cuff, the steps of: - arranging a detachment located at one of the corners of the cuff, - marking on the cuff a visible line positioned below the stall, which line defines a range of circumferences of the limb for which said cuff is to be used, said line being delimited by two ends, - marking on the cuff a visible mark, at the same longitudinal edge as that in which the stall extends - arranging the stall and marking so that in use, when the cuff is wrapped around the patient's limb, and the size of said cuff is adapted to the circumference of the patient. said member is visibly positioned in said stall and is located above the line, between the two ends, in that said method further comprises the steps of: - winding a first cuff around the patient's limb, - keep the first cuff if the mark is visibly positioned in the holster and located between the right end and the left end of the line, - replace the first cuff if the mark is not positioned in the off-hook and / or if is not above the line. L'invention concerne une méthode de sélection, entre des brassards pour sphygmomanomètre de différentes tailles, d'un brassard gonflable adapté à la circonférence d'un membre d'un patient sur lequel doit être mesurée une tension artérielle, caractérisée en ce que ladite méthode comprend, pour chaque brassard, les étapes consistant à : - aménager un décroché localisé au niveau d'un des coins du brassard, - inscrire sur le brassard une ligne visible positionnée au dessous du décroché, laquelle ligne définie une plage de circonférences du membre pour lesquelles ledit brassard doit être utilisé, ladite ligne étant délimitée par deux extrémités, - inscrire sur le brassard une marque v