BD Venflon Pro™ IV Cannula with Instaflash - 20G x 32mm - Pack of 50Safety you can trust A passive safety needle system fully shields the needle tip as it is withdrawn, providing protection from needlestick injury (NSI). Success you can see BD Instaflash Needle Technology incorporates a notched needle, which is designed to improve insertion success and reduce painful hit and miss insertions. Passive safety Provides protection from needlestick injury (NSI). BD Vialon Catheter Material Softens in the vein up to 70%,