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SELDINGER'S INGENIOUS TECHNIQUE for the percutaneous catheterization of vessels is finding increasing popularity in this country, especially in angiography and cardiac catheterization.
The key item in the method is a long coiled spring which is reinforced in its whole length, except for the terminal 3 to 5 cm., by an inlying wire; this construction makes a wire guide which is fairly stiff and yet can, by virture of its very flexible tip, negotiate vessel tortuosities and curves without significant damage to the vascular endothelium. In principle this guide wire is threaded through a needle into the vessel lumen; the needle is then withdrawn over the guide and replaced by a thinwalled plastic catheter which can then be advanced over the wire into the vessel. The technique is simple, requires no surgical cut-down, and allows the introduction of a large catheter, up to No. 8 F, with a comparatively narrow, 14-gauge
Cope C. Intravascular Breakage of Seldinger Spring Guide Wires. JAMA. 1962;180(12):1061–1063. doi:10.1001/jama.1962.03050250067019b
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