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Tuohy needle

Pronunciation: tu'he

Definition: a needle with a lateral opening at the distal end, designed to cause a catheter passing through the needle's lumen to exit laterally at a 45-degree angle; used for placing catheters into the subarachnoid or epidural space.

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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