Patent ID: 8114046
Filing Date: 2012-02-14
Classification: A61M

Abstract:
1. A fixing device for injection needles for attachment to an injection device, the injection device comprising a threaded segment with a plurality of threads having a pitch, wherein said fixing device is configured as a cap comprising an open end, a closed end and an inner surface extending between said open end and said closed end, the closed end holding a needle, wherein said fixing device comprises spring elements comprising a first end and a second end, said first end joined to the inner surface adjacent to the closed end and said second end joined to said inner surface adjacent to the open end wherein each spring element comprises a notched cam carried at the middle portion of the spring element and when the fixing device is positioned on the threaded segment of the injection device, the spring elements elastically deform and the notched cams of at least two of the spring elements perpendicularly engage the threaded segment.