SERINGUE SANS AIGUILLE, PROCÉDÉ DE RÉGLAGE FINAL DE LA PROFONDEUR DE SERINGUE SANS AIGUILLE, ET PROGRAMME DE CALCUL DE PARAMÈTRE D'ÉJECTION POUR SERINGUE SANS AIGUILLE
A needleless injector pressurizes a substance to be injected having an ejection pressure defined as a pressure of the substance to be injected ejected through an ejection port. The ejection pressure is raised to a first peak pressure after pressurizing is started, is lowered to a pressure lower than the first peak pressure afterward, and then is raised to a second peak pressure again. An on-completion reached depth that is an on-completion reached depth of the substance to be injected in a target region when the pressurizing portion completes pressurizing is adjustable, the on-completion reached depth being increased along with increase of the first peak pressure and being increased along with reduction of a length between peaks from a first timing at which the ejection pressure reaches the first peak pressure to a second timing at which the ejection pressure reaches the second peak pressure. With the configuration described above, the reached depth of the ejected substance to be injected in the target region can be adjusted accurately.
