Implant injection device for once-only use - has elongated implant container or housing with cannula and plunger displaceable longitudinally in and is equipped with interacting elements

Implant injection device for once-only use - has elongated implant container or housing with cannula and plunger displaceable longitudinally in and is equipped with interacting elements

The surface (21) of the plunger and the inner wall (15) of the implant housing are equipped with interacting members (22,12) which allow the plunger to be pushed inwards into the implant housing while preventing the removal of the plunger from the implant housing. The cannula is made of plastic. The...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ALLONEN,HANNU, LEHTINEN,MATTI, LANKINEN,PEKKA
Format: Patent
Sprache:eng ; fin ; swe
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:The surface (21) of the plunger and the inner wall (15) of the implant housing are equipped with interacting members (22,12) which allow the plunger to be pushed inwards into the implant housing while preventing the removal of the plunger from the implant housing. The cannula is made of plastic. The surface of the plunger is equipped with a member (22) which allows the displacement of the plunger inwards into the implant housing and that the rim or edge (12) of the implant housing distal to the cannula is shaped so that the inner cross-sectional area of the implant housing is reduced at point (16). The edge acts as a stop for the element on the surface of the plunger when the plunger is displaced outwards.