PEN NEEDLE APPARATUS

A pen needle (30, 110) is disclosed for coupling to a delivery device (10) and piercing a septum on the delivery device. The pen needle includes a collar (32, 112) having a side wall (36, 116), an open proximal end (38), and a distal end (40, 118) having a coupling member (50). The pen needle also i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	POLITIS, Victor
Format:	Patent
Sprache:	eng ; fre ; ger
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 pen needle (30, 110) is disclosed for coupling to a delivery device (10) and piercing a septum on the delivery device. The pen needle includes a collar (32, 112) having a side wall (36, 116), an open proximal end (38), and a distal end (40, 118) having a coupling member (50). The pen needle also includes a needle hub (34, 114) having a proximal end (50, 124) and a distal end (58, 126), where the proximal end of the needle hub has a coupling member coupled to the distal end of the collar. The needle hub rotates independently of the collar. A needle (52) extends from the distal end of the needle hub, and a projection (76, 126) extends from the proximal end of the needle hub for piercing a septum (106) of a delivery device. The collar (32, 112) rotates independently from the needle hub (34, 114) so that the collar screws onto the threaded end of the delivery device while the needle hub does not rotate and the projection advances to pierce the septum (106) without rotating.