Safety Needle Syringe

Safety hypodermic syringe (20), has its needle (37) and needle hub assembly (35,41) rotatably unlockable (62) from the syringe barrel (21) forward neck (29) by the syringe plunger (47), which is engageable with the hub (41) to unlock it and retract hub and needle (37) into the barrel (21) after use....

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Bibliographic Details
Main Authors BELL, JON S, EISENRING, RICHARD, SWEENEY, NIALL
Format Patent
LanguageEnglish
French
Published 15.06.1994
Edition5
Subjects
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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Summary:Safety hypodermic syringe (20), has its needle (37) and needle hub assembly (35,41) rotatably unlockable (62) from the syringe barrel (21) forward neck (29) by the syringe plunger (47), which is engageable with the hub (41) to unlock it and retract hub and needle (37) into the barrel (21) after use. Pref. the barrel (21) is thermoplastic or glass, and the plunger portion outside the barrel can be broken off after needle retraction.
Bibliography:Application Number: CA19932110114