gauge of epidural needle
The gauge of epidural needle is a crucial medical instrument designed for precise and safe administration of epidural anesthesia. These specialized needles typically range from 16 to 20 gauge, with 17 and 18 gauge being the most commonly used sizes in clinical practice. The careful engineering of these needles incorporates several key features, including a precisely beveled tip, clear depth markings, and optimal length for reaching the epidural space. The needle's design allows healthcare providers to detect the loss of resistance when entering the epidural space, ensuring accurate placement. Modern epidural needles are crafted from high-grade stainless steel, offering the perfect balance of flexibility and rigidity needed for controlled insertion. The gauge size directly impacts the flow rate of medication and the potential for post-dural puncture headaches, making the selection of appropriate gauge crucial for patient outcomes. These needles feature specialized hubs that provide excellent grip control and clear visualization during insertion, while their standardized Luer lock connections ensure secure attachment to syringes and epidural catheters. Advanced surface treatments reduce friction during insertion, enhancing patient comfort and procedural success rates.