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{"title":"Sterile Hypodermic Needle , SUS304 SUS316L , Stainless Steel Needle Tube For","imgUrl":"https:\/\/img.chinax.com\/nimg\/b1\/c2\/36cf2beca96d2250b9de9888cdd4-200x200-1\/sterile_hypodermic_needle_2c_sus304_sus316l_2c_stainless_steel_needle_tube_for_medical_devices.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"SUS304, SUS316L","Certification":"EN ISO 13485:2016","Place of Origin":"China"}}
21G Lancet Point Injection Needle , Medical Grade Stainless Steel Needle Tube , ISO9626 SUS304 SUS316L
A medical injection needle tube typically refers to the hollow, cylindrical part of a needle that allows fluid (e.g., medication, vaccines) or bodily fluids (e.g., blood) to pass through during medical procedures. The injection needle tube is generally made of medical grade stainless steel 304, 316L materials, which have excellent corrosion resistance and good durability. For different uses, there are various kinds of needle points of stainless steel injection needle tubes, such as lancet point, back cut point, huber point, quincke point, pencil point, back-eye point, and so on. If the client requires other special needle point shapes, we can also customize to meet the requirement. Our stainless steel medical needle tubes are all produced according with ISO9626: 2016 international satndard.
Components of a Medical Injection Needle:
1. Cannula (Needle Tube):
The hollow, tubular shaft of the needle, usually made of stainless steel.
Diameter is measured by gauge (e.g., 18G is thick, 27G is thin).
Length varies depending on use (e.g., 1/2 inch for subcutaneous injections, 1.5 inches for intramuscular injections).
2. Lancet Point Design:
Geometry: Features a sharp, triple-bevel tip to reduce insertion pain and tissue trauma. The design ensures precision for capillary blood sampling (e.g., glucose testing) or shallow injections.
Advantages: Minimizes skin resistance, enhances patient comfort, and improves accuracy compared to standard hypodermic needles.
Medical Grade Stainless Steel 304:
Composition: Contains ~18% chromium and ~8% nickel, providing good corrosion resistance and formability. Unlike 316L (which includes molybdenum for enhanced corrosion resistance), SS 304 is cost-effective and suitable for short-term medical applications.
Medical-Grade Specifications: Meets stringent biocompatibility standards with controlled impurities, surface finish, and passivation to improve corrosion resistance.
Use Case: Ideal for single-use devices (e.g., lancets, short-duration needles) where prolonged exposure to bodily fluids is minimal. Not typically used for implants or long-term indwelling devices.
Needle Tube Properties:
Manufacturing: Cold-drawn process ensures a smooth inner bore for consistent fluid flow and reduced friction.
Gauge Range: Typically available in higher gauges (10G–34G) for minimally invasive procedures.
Surface Finish: Electropolished to eliminate micro-imperfections, ensuring sterility and biocompatibility.
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...