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The NAR One-way Check Valve gives the user the option of adding a one-way valve capability to any Luer taper fitting on products such as small bore catheters. This valve will provide similar function to a standard Heimlich valve. The valve prevents air backflow under physiologically relevant pressures.
SPEAR - Simplified Pneumothorax Emergency Air Release
ARS for Needle Decompression (3.25 in.)