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Why is the 30 Gauge needle only available in 25 mm length?

April 26, 2017gauge LENGTH mm needle

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Why is the 30 Gauge needle only available in 25 mm length?

1 Answer

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This is solely due to the mechanical strength of the needle. If the thin needle were longer it would flex and bend to a degree, which would make it impossible for the neurologist to fully control the positioning of the electrode.