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catheter |
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catheterFine tube inserted into the body to introduce or remove fluids. The urinary catheter, passed by way of the urethra (the duct that leads urine away from the bladder) was the first to be used. In today's practice, catheters can be inserted into blood vessels, either in the limbs or trunk, to provide blood samples and local pressure measurements, and to deliver drugs and/or nutrients directly into the bloodstream. 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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