The mechanical properties of guidewires
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Stiffness is always one of two factors that determine frictional resistance. The other factor, the coefficient of friction, depends on the surface characteristics. Teflon coating reduces the sliding friction to one-half, and a hydrophilic plastic coat to about one-sixth compared with steel.
Key wordsGuidewires Angiography Catheters and catheterization Interventional radiology
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- 1.Judkins MP, Hinck VC, Dotter CT (1968) Teflon-coated safety guides. An adjunct to the use of polyurethane catheters. AJR 104:223–224Google Scholar