The Important Difference Between Cannula and Needle | 合法醫療器材資訊網

2021年5月16日—TheImportantDifferenceBetweenCannulaandNeedle...Whenitcomestodifferentaestheticandmedicalproceduresthatinvolveinjectables, ...

When it comes to different aesthetic and medical procedures that involve injectables, doctors either use a blunt tipped cannula or a sharp needle to deliver the medication. Choosing the right delivery method is important for each treatment since it minimizes the risk of complications and affects how the final results turn out.

So what’s the difference between a cannula and a needle? The most noticeable difference between these two is that the needle tip is sharp while the cannula has a blunt tip. Cannulae are also longer and more flexible, which allows the injector to deliver the right amount of medication to the treatment area without creating more injection sites.

Each type of injecting instrument has its own purpose, like how a butterfly needle is used for drawing blood from a patient[1]. The needle and cannula are primarily used...