CPC A61M 5/3204 (2013.01) [A61M 5/3137 (2013.01); A61M 5/31511 (2013.01); A61M 5/3202 (2013.01); A61M 5/3213 (2013.01); A61M 2005/3109 (2013.01)] | 18 Claims |
1. A medical injector comprising:
an injector housing defining a reservoir;
a plunger rod;
a stopper engaged with a portion of the plunger rod and slidably disposed within the reservoir, the stopper sized relative to an interior of the injector housing to provide sealing engagement with a sidewall of the injector housing;
a needle having a sharpened first end and a second end in communication with the reservoir;
a first cap covering the sharpened first end of the needle; and
a second cap covering at least a part of the first cap, wherein the second cap is engaged with the first cap such that removal of the second cap simultaneously removes the first cap from the sharpened first end of the needle; and wherein the second cap comprises:
a cap body having a proximal end and a distal end;
a first wing flange extending from a portion of the cap body in a first direction, wherein the first wing flange comprises a curved proximally directed and convex surface; and
a second wing flange extending from a portion of the cap body in a second direction, wherein the first direction is different from the second direction, and wherein the second wing flange comprises a curved proximally directed and convex surface.
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