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IV Catheter Needles Explained: Types, Sizes, and How They Work in Clinical Settings

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Introduction to IV Catheter Needles Have you ever noticed that tiny, flexible tube that delivers fluids into the bloodstream? That’s your IV catheter needle in action — and while it may seem simple, it plays a huge role in modern medicine. Why They Matter in Modern Medicine From emergency care to routine hydration, IV catheters are the frontline tool for direct vein access. What makes them special is the combination of the sharp IV needle and catheter — the needle pierces, the catheter stays. What Sets IV Catheter Needles Apart from Regular Needles Unlike injection needles, IV catheter needles are only used to guide a flexible catheter into place. Once inserted, the needle is removed, and the catheter remains in the vein. This reduces trauma and keeps treatment flowing — literally! Understanding the IV Needle and Catheter Combo These two work as a tag team. How They Work Together The IV needle is the spearhead — it punctures the skin and accesses the vein. The catheter then sl...
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IV Cannula Sizes And Color

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The IV insertion as said above is one of the most important indispensable and hardest skill that you could actually master. And though it is not that easy as it actually seems to be the skills for this entire process can be improved with regular practice. Given below are some of the major tips that will help you deal with the insertion of IV Cannula at ease. Determining what IV Cannula Size should be used: There are various cannula sizes made available that is again measured in gauge. The higher the Gauge the smallest would be the size and the bore.   The different types are Gauge 14 with orange color, Gauge 16 of Gray color, Gauge 17 white colour, gauge 18 green colour, gauge 20 pink colour, gauge 22 blue colour and the last but not the least gauge 24 yellow colour.  Being confident: If this is the first time you are Inserting an IV cannula, make sure that you do not act with uncertainty in front of the patient. Even if you have not gained enough of experienc...
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Spinal Needle Explained: Types, Sizes, and Common Uses

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Ever wonder what goes into performing a spinal tap or spinal anesthesia? Meet the unsung hero— the spinal needle . This thin, hollow needle is used to access the subarachnoid space in the spinal canal to either deliver medication or withdraw cerebrospinal fluid. In simpler words, it's a game-changer in both diagnostic and therapeutic procedures. From anesthesiologists to neurologists, the spinal needle is a tool they rely on every day—and choosing the right one can make all the difference. 🔍 What Is a Spinal Needle Used For? 1. Spinal Anesthesia One of the most common applications of a spinal needle is in regional anesthesia. It delivers anesthetic directly into the cerebrospinal fluid, numbing the lower part of the body during surgeries. 2. Diagnostic Spinal Tap Also known as a lumbar puncture , this procedure uses a spinal tap needle to collect cerebrospinal fluid (CSF) for testing. It's vital in diagnosing infections, bleeding, or neurological conditions. 3. Intrathecal ...
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