Which Needle Gauge Has the Widest Lumen?

What is the gauge size of a needle?

Among the options of 18-gauge, 22-gauge, 26-gauge, and 30-gauge needles, which one has the widest lumen?

Answer:

The 18-gauge needle has the widest lumen among the options provided.

Needle gauge size refers to the diameter or thickness of the needle shaft. A lower gauge number indicates a larger needle size, which means a wider lumen or hollow part where blood or medication flows through. In this case, the 18-gauge needle has the widest lumen compared to the 22-gauge, 26-gauge, and 30-gauge needles.

Choosing the appropriate needle gauge is important in various medical procedures to ensure the proper flow rate and volume of fluid. Understanding the differences in gauge sizes can help healthcare professionals select the most suitable needle for specific purposes.

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