Patent ID: 9125601
Filing Date: 2015-09-08
Classification: A61B,A61M

Abstract:
1. A needle assembly for an injection device comprising: a needle cannula comprising a first elongated part with a first end and a second elongated part with a second end, a hub comprising a base and an annular sleeve extending from the base, the annular sleeve having structure to remove the hub from the injection device, and wherein the needle cannula is secured to the hub such that the first elongated part extends from the base in a direction away from the sleeve and the second elongated part extends in the opposite direction, the second elongated part being at least partly surrounded by the sleeve, wherein the needle assembly further comprises a protection structure which is axially pulled along the axial extension of the needle cannula from a first position to a second position when the hub is removed from the injection device, wherein the second position of at least a part of the protection structure is located in a position proximal of the second elongated part of the needle cannula such that a user is prevented from contacting the second end of the second elongated part of the needle cannula, wherein the protection structure comprises a plate which is axially guided, and the plate is provided with snap structure to engage the injection device.