Full Gauge Color Code Specification & Scenario Matching Of Pencil Point Disposable Spinal Needle

https://www.unisis.co.jp/en/product/product-list/u_10100002/

Standardization and refinement are the core production advantages of professional Pencil Point Disposable Anesthesia Spinal Needle manufacturers. Our products cover 12 complete medical standard gauges from 16G to 27G, equipped with unified international standard color codes and 90mm standard needle length, and support customized length processing. The standardized gauge classification and color identification system helps medical institutions realize rapid instrument matching, standardized management and accurate clinical application, which is an important foundation for large-scale clinical promotion of pencil-point atraumatic spinal needles.

The product strictly follows the international medical needle gauge standard, with an inverse proportional relationship between G value and needle outer diameter. Each gauge corresponds to an exclusive fixed color code: 16G (White), 17G (Light Purple), 18G (Pink), 19G (Light Grey), 20G (Yellow), 21G (Green), 22G (Black), 23G (Dark Blue), 24G (Purple), 25G (Orange), 26G (Brown), 27G (Grey). The unified color coding design completely solves the problem of difficult identification of traditional spinal needles in high-intensity operating rooms, effectively avoiding medical errors caused by wrong needle selection and improving preoperative preparation efficiency.

In clinical scenario matching, large gauges (16G–19G) with thick shafts and large lumens are mainly used for complex spinal anesthesia and high-volume cerebrospinal fluid sampling. For critically ill patients with suspected severe intracranial infection, large-gauge pencil-point needles can quickly extract sufficient cerebrospinal fluid samples for comprehensive testing, ensuring rapid and accurate diagnosis. Although the shaft is thick, the atraumatic tip still maintains low-trauma performance, avoiding the excessive tissue damage caused by traditional thick cutting needles.

Medium gauges (20G–23G) are universal clinical specifications, balancing puncture stability, sampling efficiency and safety. They are widely used in routine lumbar puncture for fever and headache patients to exclude bacterial meningitis, as well as conventional spinal anesthesia for general surgery. With moderate penetration resistance and clear breakthrough sensation, these gauges are the most commonly used specifications for outpatient and inpatient standardized examination, adapting to most adult patient groups and conventional surgical scenarios.

Ultra-fine gauges (24G–27G) are core advantageous specifications of pencil-point spinal needles, dedicated to high-precision minimally invasive scenarios. They are suitable for pediatric lumbar puncture, elderly vulnerable patients, repeated puncture sampling and low-tolerance postoperative recovery crowds. For outpatient patients who pursue rapid recovery, ultra-fine pencil-point needles minimize dural trauma, enabling patients to recover completely after 4–6 hours of flat lying, with almost no postoperative discomfort. Combined with the low-cost advantage of lumbar puncture examination, it greatly improves patient acceptance of neurological diagnostic examination.

As a professional manufacturer, we ensure 100% consistency of color code, size and performance for each batch of products, and support personalized customization of needle length and structure according to customer 2D/3D drawings or samples. The full-specification and standardized product system enables the Pencil Point Disposable Anesthesia Spinal Needle to fully cover diagnosis, anesthesia and scientific research scenarios, becoming a standardized benchmark product in the global spinal puncture instrument industry.