NEEDLELESS SYRINGE OPERATING WITH AN IMPACT WAVE GENERATOR THROUGH A WALL

The technical field of the invention is that of needleless syringes used for intradermal, subcutaneous or intramuscular injections of active principle for therapeutic purposes. More particularly, the invention concerns a needleless syringe ( 10 ) comprising a propelling system, the active principle...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CAGNON, BRIGITTE, BRUNET, PIERRE, MIKLER, CLAUDE, ALEXANDRE, PATRICK
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The technical field of the invention is that of needleless syringes used for intradermal, subcutaneous or intramuscular injections of active principle for therapeutic purposes. More particularly, the invention concerns a needleless syringe ( 10 ) comprising a propelling system, the active principle and an application guide ( 8 ), mainly characterised in that the propelling system consists of an impact wave generating device ( 3 ) and the active principle is arranged in at least a blind cavity ( 7 ) of the downstream surface ( 6 ) of a barrier ( 4 ) extended by the application guide ( 8 ). Thus, the active principle is expelled in the form of streamlined jets, driven at very high speed.