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  Indian J Med Microbiol
 

Figure 1: (a) Direct cannula needle with catheter; (b) Dart Cannula needle with integrated guidewire; (c) Direct Catheter being pushed over Cannula stylet in ultrasound guidance; (d) guidewire passing into the radial artery (hollow arrow) under ultrasound guidance

Figure 1: (a) Direct cannula needle with catheter; (b) Dart Cannula needle with integrated guidewire; (c) Direct Catheter being pushed over Cannula stylet in ultrasound guidance; (d) guidewire passing into the radial artery (hollow arrow) under ultrasound guidance