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March 7, 1966

Magnets and Disposable Needles

JAMA. 1966;195(10):877. doi:10.1001/jama.1966.03100100129052

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To the Editor:—  A question concerning magnetic removal of a disposable needle (194:1159, 1965) called forth an answer of scepticism, and reported an experimental failure. Could a magnet bring a needle broken off in the subcutaneous tissue to the surface? Not unless the needle was of magnetizable metal, and disposable needles are not. The usual disposable needles of today do not cause trouble if left in the tissue.

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