Single-use hypodermic syringe

A single-use hypodermic syringe has barrel (10) and needle holder (20) with a needle receiving passage. The needle holder is detachably mounted in the barrel and defines annular space (30) with the barrel communicating with the needle receiving passage. Piston (32) is mounted in annular space (30) a...

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Bibliographische Detailangaben
Hauptverfasser:	SHVABSKY, OLEG, LEKHGOLTS, VICTOR
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:	A single-use hypodermic syringe has barrel (10) and needle holder (20) with a needle receiving passage. The needle holder is detachably mounted in the barrel and defines annular space (30) with the barrel communicating with the needle receiving passage. Piston (32) is mounted in annular space (30) and piston rod (38) is connected to the piston with an amount of lost motion. Needle holder (20) is connectable to the piston rod by means of elastically mounted projection (26) engageable with projection (50) of the piston rod. The amount of the lost motion is greater than the total of the axial lengths of projections (26, 50) of piston rod (38) and needle holder (20).