A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/32 (2006.01) A61M 39/04 (2006.01)
Patent
CA 2245356
A shielded cannula for use with an I.V. site having a threaded exterior surface and a septum comprises a cannula assembly including a hub having an open proximal end, a distal end, and a cavity therein, and a cannula having a proximal end projecting from the distal end of the hub, a distal end and a lumen therethrough in fluid communication with the cavity. A shield is connected to the cannula assembly and surrounds at least the proximal end of the cannula. The shield has a cylindrically shaped inside surface with at least one helical thread formed in the inside surface. A pointed plastic projection extends outwardly from the thread. The projection includes a base portion and a tip portion wherein the tip portion is positioned to be far enough away from the thread so that the tip portion is deflected by a thread on the exterior surface of the I.V. site when the thread of the shield engages the thread on the I.V. site.
Lewandowski Raymond D.
Widmaier Craig E.
Becton Dickinson And Company
Gowling Lafleur Henderson Llp
LandOfFree
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