From a trademark. See veno-.
venflon (plural venflons)
- (surgery) A flexible plastic cannula.
2015 December 11, “Ammonium Chloride Ingestion Attenuates Exercise-Induced mRNA Levels in Human Muscle”, in PLOS ONE[1], →DOI:The venflon was kept patent with 0.9% saline (AstraZeneca, Aus).