Overview
The 26G needle is a fine-gauge hypodermic tool designated by its 26-gauge (G) thickness, translating to an outer diameter of 0.45 mm. It is widely used in healthcare for subcutaneous or intramuscular injections, particularly where patient comfort is prioritized, such as pediatric or diabetic care. Its slender design reduces tissue trauma and pain perception compared to thicker gauges. In laboratories, 26G needles serve precision roles in microsampling or delicate fluid transfers. The gauge system originates from the Birmingham Wire Gauge standard, where a higher number indicates a thinner needle. Sterility and single-use protocols are critical due to infection risks.
Structure and Working Principle
A 26G needle consists of a stainless-steel cannula attached to a plastic hub, which connects to standard luer-lock or luer-slip syringes. The tapered tip is bevelled to facilitate smooth skin penetration. Some variants feature silicone coatings to further reduce friction during insertion. When force is applied to the syringe plunger, the narrow lumen of the 26G needle creates higher resistance than thicker needles, requiring slower injection speeds. This design minimizes fluid dispersion in tissues, making it ideal for localized drug delivery or small-volume aspirations.
Key Features
The primary advantage of the 26G needle is its balance between minimal invasiveness and functional efficacy. Its 0.45 mm diameter causes less nerve stimulation, reducing pain scores by approximately 30% compared to 22G–24G needles in clinical studies. However, the trade-off is slower flow rates; viscous medications may require thicker gauges. Durability is ensured by medical-grade stainless steel, which resists bending during typical use. Many manufacturers offer ultra-thin-wall (UTW) variants to marginally improve flow without increasing gauge size. Color-coded hubs (often purple) aid quick identification in fast-paced settings.
Application Areas
In clinical practice, 26G needles are standard for insulin injections, allergy shots, and pediatric vaccinations. Their thin profile is less intimidating for needle-phobic patients. Dermatology also utilizes them for intradermal filler injections, where precision is critical to avoid vascular complications. Laboratories employ 26G needles for microliter-scale liquid handling in GC/MS sample introduction or cell culture work. Industrial uses include precision adhesive dispensing in electronics manufacturing. Veterinary medicine applies similar principles for small-animal care.
Maintenance and Precautions
26G needles are strictly single-use devices in medical contexts to prevent cross-contamination or needlestick injuries. Recapping is discouraged; instead, immediate disposal in sharps containers is mandated. For lab reuse (e.g., with non-biohazardous fluids), thorough cleaning with solvents like acetone is necessary to prevent clogging. Storage should avoid humidity to prevent corrosion, even with stainless steel. Bulk purchases should check expiry dates, as sterile packaging degrades over time. Users must confirm compatibility with their syringe type, as mismatched hubs can cause leaks or detachment during use.
B2B Procurement Guide
Bulk buyers should prioritize ISO 7864-compliant manufacturers, which guarantee consistent inner/outer diameters and sterility. MOQs typically start at 1,000 units, with prices dropping 15–20% for orders exceeding 10,000. Key suppliers include BD, Terumo, and Nipro, though regional distributors may offer competitive logistics. Customization options include hub colors, needle lengths (commonly ½" to 1"), and silicone coatings. Request material certifications to verify ASTM F899 standards for surgical steel. For lab use, clarify if non-sterile bulk packs are available to reduce costs. Lead times vary from 2–6 weeks for specialized orders.
Related Manufacturers
- 主营：磁翻板液位计、压力变送器、电磁流量计、涡街流量计、涡轮流量计、雷达液位计、超声波流量计、玻璃管液位计、超声波液位计、数显显示仪表、磁致伸缩液位计、磁敏电子双色液位计、玻璃板液位计、孔板流量计、蒸汽流量计、压力校验仪、精密数字压力表、压力表、磁性浮子液位计、液位开关、浮球液位计、差压式流量计、流量计、液位计
- 主营：流量计、液位计、压力变送器、26g雷达物位计厂家、无纸记录仪、水质分析仪、温度传感器、超声波液位计、电磁流量计、在线ph计、在线溶氧仪、在线浊度仪、多参数水质分析仪、有纸记录仪、涡街流量计、涡轮流量计、超声波流量计、雷达液位计、在线余氯分析仪
- 主营：磁性浮子液位计、玻璃板液位计、云母水位计、雷达液位计、磁翻板液位计、电磁流量计
- 主营：放大器、检测器、滤波器、AM26LV32EIDRG4、调制器、接收器、衰减器、解调器、变压器、合成器、收发器、偏置器、振荡器、rfid天线、终端负载、隔直流器、微波射频、集成电路、同轴开关、接入监控ic、频率综合器、便携式仪器、mcl电子开关、压控均衡器、射频适配器、定向耦合器
- 主营：进口阀门、进口电磁阀、进口电磁流量计、进口电动调节阀、进口球阀、进口气动调节阀、进口自力式调节阀、进口闸阀、进口止回阀、进口高温球阀、进口电动球阀、进口电动蝶阀、进口低温球阀、进口气动球阀、进口气动蝶阀、进口法兰球阀、进口涡街流量计、进口涡轮流量计、进口高压电磁阀、进口电动执行器、进口气动执行器
- 主营：变送器、流量计、雷达物位计、超声波液位计、ph分析仪、罗斯蒙特变送器、霍尼韦尔变送器、E H变送器
- 主营：手持式气象站、振弦式渗压计、流速仪、水位计、深水温度计、钢尺水位计、水尺、超声波流量计、气象蒸发皿、集沙仪、表层水温表、电波流速仪、风速仪、旋桨流速仪、风向风速仪、超声波测深仪、电子水尺、海流计、便携式流速仪、圆柱水位尺、温盐深仪、雨量计、浮子水位计、强制对中基座、雷达水位计
- 主营：cs8f-1500、集成电路、封装模块、SKiiP26GH12T4V11、msc025sma120j、整流二极管、电子元器件
- 主营：熔断器、可控硅、晶闸管、SKiiP26GH12T4V11、二极管、igbt模块、整流桥、熔断器底座
- 主营：传感器、石英管、液位计、26G雷达液位计、浮球开关、顶装浮球、压力变送器、锅炉控制仪、板式水位计、雷达物位计、耐高温高压、双色水位计、涡街流量计、自动显控仪、锅炉水位计、平板水位计、雷达料位计、液位变送器、远传变送器、电磁流量计
- 主营：压力变送器、差压变送器、投入式液位计、涡街流量计、电磁流量计、金属管浮子流量计、机械式流量开关、质量流量计、超声波流量计、椭圆齿轮流量计、涡轮流量计、磁翻板液位计、雷达液位计、浮球液位计、超声波液位计、液位变送器、温度变送器、分析仪器、安全光栅、安全光幕、气体报警器、热像仪
- 主营：雷达液位计、阻旋式料位开关、射频导纳料位开关、HBRD90226G、浮球开关、投入式液位计、超速开关、超声波液位计、振动传感器、转速传感器
- 主营：接近开关、传感器、编码器、光电开关、气缸、电磁阀
- 主营：ad2s83apz、ad2s80aud、ad2s99apz、njstd261a、njstd262a、adi模数、ag203-63g、缓冲器、解码器、lsm9ds1tr、ag201-63g、调节器、连接器、分频器、陀螺仪、处理器、驱动器、adi电源、hmc347arf、加速计、放大器、稳压器、锁相环、控制器、以太网
- 主营：移远、圣邦微、TI、SF26G、三星、ST、ADI、TOSHIBA、LINERA、MuRATA、MB85RS64TP、lc86licek、发光二极管