NEEDLELESS INJECTOR WITH IMPROVED SEAL

The present disclosure is directed towards a needleless injection device including an injection system which includes at least one injection nozzle which delimits at least one injection channel, and which is axially delimited by an upper face arranged facing the lower face of the reservoir, and a lo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VIVIEN, Gilles, VIGOT, Xavier
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING 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 ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HUMAN NECESSITIES HYGIENE JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The present disclosure is directed towards a needleless injection device including an injection system which includes at least one injection nozzle which delimits at least one injection channel, and which is axially delimited by an upper face arranged facing the lower face of the reservoir, and a lower face adapted to cooperate with a cap, and an upper sealing gasket which extends around the at least one channel and which is housed in an upper groove formed on the upper face of the nozzle, and the upper gasket has a wave-shaped radial section which comprises successively, along a radial direction, a recessed portion and a bump portion, said bump portion being adapted to be lying toward the recessed portion provided to this end, under the effect of the axial pressure exerted by the lower face of the reservoir on said sealing gasket.