Adjustable injection length pen needle

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/32 (2006.01) A61M 5/46 (2006.01)

Patent

CA 2245227

A pen needle of the present invention includes an extender that is rotatably attached to a hub on the pen needle to set the pen needle to a desired injection length. The extender is rotated into multiple predefined positions using a shield that is removably mounted on the pen needle. Each predefined position for the extender corresponds to a predetermined injection length for the pen needle such that theextender covers a section of the pen needle not being used for the injection. After the shield has been used to rotate the extender into one of the predefined positions the shield is removed from the pen needle to expose the distal point of the pen needle so that the injection can be performed.

La présente invention fait état d'une aiguille de stylo injecteur. Cette aiguille comprend une rallonge rotative fixée à un embout situé sur l'aiguille, laquelle rallonge permet de régler, au choix, la profondeur d'injection de l'aiguille. La rallonge pivote au moyen d'un protecteur amovible monté sur l'aiguille et se place dans des positions variées préétablies. Chaque position préétablie de la rallonge correspond à une longueur d'injection déterminée de l'aiguille, de sorte que la rallonge recouvre la partie de l'aiguille inutilisée pour l'injection. Une fois que le protecteur a servi à faire tourner la rallonge dans une des positions préétablies, il est retiré de l'aiguille afin d'en exposer la pointe distale en vue d'une injection.

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