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catheter |
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catheter Med a long slender flexible tube for inserting into a natural bodily cavity or passage for introducing or withdrawing fluid, such as urine or blood catheter [′kath·ə·dər] (medicine) A hollow, tubular device for insertion into a cavity, duct, or vessel to permit injection or withdrawal of fluids or to establish patency of the passageway. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| After placing an electrode catheter near the right bundle branch -- a "well-defined and accessible electrical landmark" -- of anesthetized patients, they administered two electric shocks with the catheter tip serving as the cathode. The VNUS patents describe a procedure for treating venous disease with an electrode catheter that delivers radiofrequency (RF) energy directly to the inner wall of the vein. Diagnostic EP catheters, specially designed electrode catheters that transmit electrical impulses, are intended to be used for temporary |
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