butterfly needles invented when and by whom?

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butterfly needles invented when and by whom?

also known as winged infusion set used for venipuncture in blood collection

2007-02-11 20:52:21 · 1 answers · asked by norma jean 1 in Science & Mathematics ➔ Medicine

1 answers

I know they were in use in the early 1960's. Exactly when, I don't know. By whom? I don't know that, either, but congratulations on your grasp of proper rules of English. I enjoy Yahoo Answers, but cringe at the poor spelling and horrific grammar.

2007-02-13 07:02:32 · answer #1 · answered by greydoc6 7 · 1⤊ 0⤋