Improvements to the injection syringes, in particular of the syringes to administer the solutions or suspensions of medicinal products

摘要

P the invention relates to improvements to a syringe. This syringe comprises a tubular body 1 having a cannula 3 at one end and a piston 9 sliding in the body 1 in order to close the other end of the body 1, the cannula 3 having a passage 5, extending longitudinally to provide a discharge path from the tubular body 1, the passage 5 comprises a capillary part 19 of the internal diameter of between 0,3 to 0,7 mm and a distal portion 17 of the internal diameter greater than the capillary tube 19 and adapted to receive a removeable a member for closing. / p & & p & this syringe is used, in particular, to use suspensions or solutions of the medicinal product by injection. / p