AUTOMATED INJECTOR DEVICE

medical engineering. SUBSTANCE: device has spring-driven checking trigger mechanism, ampoule, injection needle unit. The ampoule is manufactured from flexible material and shaped as hollow sphere with weldable neck. Neck-to-sphere diameter ratio is not greater than 4/15. Working end of spring-loaded...

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Bibliographische Detailangaben
Hauptverfasser:	LITVINOV A.M, CHERNETSOV A.A, BALOV A.V, ZHILJAEV E.G, STEFANOV B.N
Format:	Patent
Sprache:	eng ; rus
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:	medical engineering. SUBSTANCE: device has spring-driven checking trigger mechanism, ampoule, injection needle unit. The ampoule is manufactured from flexible material and shaped as hollow sphere with weldable neck. Neck-to-sphere diameter ratio is not greater than 4/15. Working end of spring-loaded rod is hemispheric and has central opening ball neck. Its radius is less than ampoule ball radius by twice ball wall thickness. The ampoule is set in the supporting bushing of the injection needle unit. The upper end of the supporting bushing is hemispheric and its radius is equal to external radius of the ampoule. The checking trigger mechanism has rod with collet chuck head and spring drive, safety clamp with protrusion coming through slot in the collet chuck head of the rod and bellows which bottom is to be pierced with injection needle. EFFECT: high reliability and improved sterility and tightness conditions. 2 cl, 2 dwg