Masket sub-tenon anesthesia cannula, 19 gauge, curved, 0.3mm dual side ports, 27.0mm overall length excluding hub | Ambler Surgical
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Visitec Sub-Tenon's Anesthesia Cannula, 1.10 x 25 mm (19G x 1 in), curved to a radius of 30 mm and flattened to .65 mm. ID# 585176
![Ultrasonic localization of anaesthetic fluid using sub-Tenon's cannulae of three different lengths | Eye Ultrasonic localization of anaesthetic fluid using sub-Tenon's cannulae of three different lengths | Eye](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fsj.eye.6700501/MediaObjects/41433_2003_Article_BF6700501_Fig1_HTML.jpg)
Ultrasonic localization of anaesthetic fluid using sub-Tenon's cannulae of three different lengths | Eye
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