NEEDLELESS SYRINGE

In a needleless syringe according to the present invention, a current is supplied to a solenoid coil to generate a magnetic field so as to move a moving magnetic body and a piston forward, and when the current to the solenoid coil is cut off, an elastic member for the moving magnetic body moves the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HAM, Hwi Chan, KIM, Jung Kook, LEE, Sung Hun
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	In a needleless syringe according to the present invention, a current is supplied to a solenoid coil to generate a magnetic field so as to move a moving magnetic body and a piston forward, and when the current to the solenoid coil is cut off, an elastic member for the moving magnetic body moves the moving magnetic body backward and an elastic member for the piston moves the piston backward, so that the piston to be injected by pressurizing a drug is configured to reciprocate repeatedly forward and backward and thus, a predetermined drug can be repeatedly injected at high speed. In addition, according to the present invention, time for which the current is applied to the solenoid coil, is adjusted to minimize recoil without adding a recoil offset structure so that the structure is simple and convenience of use can be improved.