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Needle gauge : ウィキペディア英語版 | Needle gauge comparison chart
Hypodermic needles are available in a wide variety of outer diameters described by gauge numbers. Smaller gauge numbers indicate larger outer diameters.〔(【引用サイトリンク】title= Syringe Needle Gauge Chart )〕 Inner diameter depends on both gauge and wall thickness. The following chart shows nominal inner diameter and wall thickness for regular-wall needles.〔〔(【引用サイトリンク】title= Hypodermic Needle Gauge Chart )〕 Thin-wall needles (not shown) have identical outer diameters but larger inner diameters for a given gauge. Needle wire gauge is derived from the Birmingham Wire Gauge. #1 = 18½ B.W.G.; #2 = 19 B.W.G., and so on to #14 = 31 B.W.G.
== See also ==
* French catheter scale chart * Stubs Needle Gauge
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Needle gauge comparison chart」の詳細全文を読む
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