Patent ID: 11957850
Assignee: B. BRAUN MELSUNGEN AG
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A needle assembly comprising:
a needle hub with a needle having a needle tip extending from a distal end of the needle hub;
a catheter tube attached to a catheter hub having a body comprising an interior surface defining an interior cavity, the needle extending through the catheter tube and the needle tip out a distal end of the catheter tube in a ready to use position;
a valve positioned in the interior cavity of the catheter hub and in contact with an internal shoulder of the catheter hub, said valve comprising an outer perimeter and a wall having three slits defining three flaps;
a valve opener sized and shaped to open the to the three slits to open the valve, said valve opener comprising a nose section having an activation end and a continuous perimeter section having a bore passing therethrough, two plunger elements each having two lengthwise edges extending proximally of the nose section, and two stabilizer elements; wherein each stabilizer element connects to the two plunger elements so that the two stabilizer elements and the two plunger elements define a stabilizing ring having a continuous surface and the stabilizing ring being spaced from the continuous perimeter section of the nose section by two through passages, which include a first through passage and a second through passage;
a needle guard comprising a proximal wall and two resilient arms located in a holding space between the two stabilizer elements, wherein each resilient arm comprises an elbow and the needle guard has two resilient arms and two elbows, which include a first elbow and a second elbow;
wherein the first elbow is located in the first through passage and the second elbow is located in the second through passage in the ready to use position.