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catheter |
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catheter [ˈkæθɪtə] n (Medicine) 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 [from Late Latin, from Greek kathetēr, from kathienai to send down, insert]
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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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