Journal of vascular and interventional radiology : JVIR
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J Vasc Interv Radiol · Mar 2000
Comparative StudyRelative ultrasonographic echogenicity of standard, dimpled, and polymeric-coated needles.
To use quantitative ultrasonographic measurements to compare the effect of a polymeric coating designed to increase needle echogenicity to commercially available needles. ⋯ Objective measurements show that this coating significantly increases echogenicity of entire needles to match that obtained with a dimpled tip.