EUS Needle
Application: FNA/FNB
Material: Co-Cr (Cobalt-Chromium), Stainless Steel (304, 316L)
Diameter: 1.8 mm (25ga), 2.8 mm (22ga)
Tolerance: +/-0.01mm
Manufacturing: CNC Turning
Facilities: Sliding Headstock Lathe
Description
EUS Needles: A Key Tool in Endoscopic Ultrasound Procedures
EUS needles, short for Endoscopic Ultrasound (EUS) needles, play a crucial role in minimally invasive medical procedures. EUS itself is a specialized imaging technique that merges endoscopy with ultrasound, enabling detailed visualization of the gastrointestinal tract, pancreas, liver, and other abdominal structures.
Unlike standard medical needles, EUS needles are custom-made. Manners specializes in designing tailored solutions to meet specific clinical needs. If you require a custom order or expert consultation, feel free to contact us.
What Are EUS Needles Used For?
These needles serve two primary functions:
- Fine Needle Aspiration (FNA) Biopsies – This procedure allows for precise tissue sampling. The collected specimens help diagnose conditions such as tumors, cysts, and inflammatory diseases.
- Therapeutic Interventions – EUS needles assist in procedures like draining abscesses and delivering targeted treatments, such as tumor injections.
Types of EUS Needles
EUS needles come in different designs, each suited for specific applications:
- FNA Needles – These feature a slender, double-beveled tip, making penetration smoother and enhancing cytology sample consistency.
- FNB Needles – Designed for core biopsies, these needles have a triple-facet core structure, ensuring higher tissue yield and reliable histological sampling.
EUS needles are available in 22ga and 25ga sizes, with an adjustable length from 0 to 8 cm. Physicians select the appropriate needle type based on the procedure's diagnostic or therapeutic requirements.
Why Choose Custom EUS Needles?
Standardized needles don't always fit every case. That's why Manners offers personalized EUS needle solutions. Whether you need specific gauge sizes, customized needle lengths, or a specialized tip design, we provide options tailored to your clinical applications.
Have questions? Looking for a custom order? Get in touch with us today.
|
Application |
Needle Size |
Description |
|
General Diagnostic Use |
22G to 25G |
Thinner needles for better maneuverability and minimal discomfort. Ideal for sampling from the stomach, liver, or pancreas. |
|
Tumor Biopsy |
19G to 22G |
Thicker needles with cutting edge to handle denser, fibrous tissues like pancreatic tumors or liver masses, ensuring reliable tissue acquisition. |
|
Cyst or Abscess Aspiration |
19G to 21G |
Needles with a wider lumen to facilitate fluid aspiration from larger cysts or abscesses. Ideal for precise targeting of fluid-filled cavities. |
|
Lymph Node Biopsy |
22G to 25G |
Thinner needles for fine tissue sampling from small or deep-seated lymph nodes, ensure minimal tissue disruption. |
|
Liver or Other Organ Sampling |
19G to 22G |
Slightly thicker needles for liver or similar organ biopsies, offering strength to reach deeper tissues and ensuring effective sample collection. |
EUS Needle Product specifics
|
Product Name |
EUS Needle |
|
Application |
Fine Needle Aspiration (FNA), Fine Needle Biopsy (FNB) |
|
Design Options |
Tri-tip, cutting edge |
|
Materials |
Co-Cr (Cobalt-Chromium), Stainless Steel (304, 316L) |
|
Hardness |
HRC 22-25 (304), HRC 50-60 (316L) |
|
Diameter |
19G, 21G, 22G, 25G |
|
Working Length |
137.5 cm to 141 cm |
|
Needle Length |
0 to 8 cm |
|
Tolerance |
+/- 0.01mm |
|
Manufacturing |
Sliding Headstock Lathe, Laser Etching, Grinding |
|
Certifications |
ISO 9001:2015, ISO 13485 |
|
Facilities |
Citizen L12-1M7, Grinding Machine, 5-Axis Laser Cutting Machine |
|
Packing |
PP bag, or tailor-made packing on request |
The EUS Needle is specifically designed to excel in both Fine Needle Aspiration (FNA) and Fine Needle Biopsy (FNB) procedures. It ensures high precision, making it ideal for diagnostic and therapeutic use. Constructed from top-quality materials like Co-Cr (Cobalt-Chromium) and Stainless Steel (304, 316L), it combines durability with excellent corrosion resistance. With a variety of sizes ranging from 19G to 25G and adjustable lengths from 0 to 8 cm, it offers the flexibility needed for accurate tissue sampling in diverse clinical scenarios.
Manufactured with cutting-edge technologies such as Sliding Headstock Lathe, Laser Etching, and Grinding, the EUS Fine Needle guarantees tight tolerances of +/- 0.01mm. This results in consistent, reliable performance. The needle's working length ranges from 137.5 cm to 141 cm. It also features varying hardness levels, with 304 stainless steel ranging from HRC 22-25, and 316L at HRC 50-60, ensuring sharpness and precision during each procedure.
Certified under ISO 9001:2015 and ISO 13485, our factory maintains the highest standards of quality and safety. The production process involves state-of-the-art machinery, including the Citizen L12-1M7, Grinding Machines, and 5-Axis Laser Cutting Machines. Each needle is carefully packed in PP bags, with custom packaging options available upon request to meet specific customer needs.
EUS Needle Product Flow
|
Components |
Process Flow |
Process Name |
Machine Used |
Machine Brand |
Inspection Equipment |
|
EUS Needle |
1 |
Incoming |
N/A |
N/A |
|
|
2 |
Turning |
Sliding Headstock Lathe |
Citizen L12-1M7 |
Profile Projectors |
|
|
3 |
Grinding |
Grinding Machine |
N/A |
||
|
4 |
Laser Etching |
5-Axis Laser Cutting Machine |
N/A |
||
|
5 |
Electrolytic Polishing |
N/A |
N/A |
||
|
6 |
Ultrasonic Cleaning |
N/A |
N/A |
||
|
7 |
Inspection & packing |
N/A |
N/A |
EUS Needle Manufacturing Process
1. Material Selection
The EUS Needle is crafted from high-quality cobalt-chromium (Co-Cr) alloy for the main shaft, ensuring exceptional durability, flexibility, and sharpness for accurate tissue acquisition. For enhanced strength, the needle tip is made from 630 stainless steel (17-4PH), providing high hardness (HRC 52-56), ensuring superior performance during procedures.
2. CNC Turning - Sliding Headstock Lathe
The manufacturing process begins with heat treatment to harden the needle tip. The Citizen L12-1M7 Sliding Headstock Lathe is used for precision turning, particularly to shape the needle body. This lathe offers excellent accuracy, with a positioning tolerance of ±0.005 mm and repeatability of ±0.002 mm, ensuring the exact dimensions required for the needle shaft and tip.
3. Grinding - Grinding Machine
Once the needle is formed, a high-precision grinding machine is used to refine the needle's sharpness and geometry. A coarse grinding wheel initially shapes the needle, followed by a finer wheel to achieve the desired sharpness and smooth finish. Regular inspections are conducted during this stage to ensure consistency in shape, sharpness, and tolerance, guaranteeing that each needle meets stringent specifications.
4. Laser Etching - 5-Axis Laser Cutting Machine
For engraving, the needle undergoes a precise laser etching process using a 5-axis laser cutting machine. This machine provides the flexibility to etch complex designs, including lot numbers, product identifiers, and measurement markings directly onto the needle surface. The laser etching ensures high precision, with tolerances ranging from ±0.01 mm to ±0.001 mm, ensuring clear and permanent markings.
5. Electrolytic Polishing
After grinding and etching, the needle is subjected to electrolytic polishing. This process smooths the needle's surface, removing any microscopic imperfections and enhancing its corrosion resistance. The smooth finish also reduces friction, improving the ease of insertion during clinical procedures.
6. Ultrasonic Cleaning
To eliminate any remaining particles or contaminants, the needle undergoes ultrasonic cleaning. This process uses high-frequency sound waves to remove impurities, ensuring that the needle is free from any debris or contaminants that could compromise patient safety or procedural accuracy.
7. Inspection & Packing
Each needle is thoroughly inspected using precision calipers and 2D measuring tools to confirm it meets strict quality standards. Key factors such as sharpness, flexibility, and dimensional accuracy are checked before the product is packed. The needles are securely packaged in custom-made boxes to ensure safe delivery, with shipping options including TNT, DHL, UPS, or FedEx for prompt and reliable delivery.
Introduction of EUS Needle Process
| process |
Picture
|
Description
|
Role
|
Advantages
|
|
Material Selection |
 |
The Main Shaft Is Crafted From 304 Stainless Steel (HRC 22-25) And The Needle Tip Is From Cobalt-chromium (co-cr) Alloy. |
Ensures durability, flexibility, and sharpness for accurate tissue acquisition. |
Provides superior performance, ensuring a long-lasting and reliable needle for clinical procedures. |
|
CNC Turning - Sliding Headstock Lathe |
 |
The needle body is shaped using the Citizen L12-1M7 Sliding Headstock Lathe, providing precision turning. |
Shaping the needle body and achieving the required dimensions for the needle shaft and tip. |
Ensures precision with a tolerance of ±0.005 mm and repeatability of ±0.002 mm, guaranteeing consistent dimensions. |
|
Grinding - Grinding Machine |
 |
After forming, the needle is refined using high-precision grinding. Coarse and fine-grinding wheels shape and sharpen the needle. |
Refines the needle's geometry and sharpness for optimal performance. |
Achieves the desired sharpness and smooth finish, ensuring excellent performance and ease of insertion. |
|
Laser Etching - 5-Axis Laser Cutting Machine |
 |
The needle is engraved with product identifiers and measurement markings using a 5-axis laser cutting machine. |
Etches clear and permanent markings, including lot numbers and measurement scales on the needle. |
Guarantees high precision with tolerances of ±0.01 mm to ±0.001 mm, ensuring clear, permanent, and accurate markings. |
|
Electrolytic Polishing |
 |
The needle undergoes electrolytic polishing to smooth the surface, remove microscopic imperfections, and enhance corrosion resistance. |
Improves surface smoothness, reduces friction, and enhances the needle's resistance to corrosion. |
Provides a smooth finish that enhances the ease of insertion, while also increasing the needle's durability. |
|
Ultrasonic Cleaning |
 |
High-frequency sound waves are used to remove particles and contaminants from the needle's surface. |
Cleans the needle by removing impurities that could compromise patient safety. |
Ensures the needle is free from contaminants, guaranteeing safety and accuracy during procedures. |
|
Inspection & Packing |
 |
Each needle undergoes thorough inspection using precision tools to ensure it meets all quality standards. The needles are securely packed in custom-made boxes. |
Verifies the sharpness, flexibility, and dimensional accuracy before packing. |
Ensures the highest quality, with accurate specifications and reliable packaging for safe delivery. |
Manners Professional Manufacturer of EUS Needles
In 2025, the global market for biopsy forceps, polypectomy snares, and EUS needles is expected to reach USD 784.5 million, with a projected compound annual growth rate (CAGR) of 6.5% from 2025 to 2033. This growth highlights the increasing importance of minimally invasive diagnostic and therapeutic technologies. At Manners Technology, we focus on developing and manufacturing high-quality EUS needles for the global healthcare industry. Through advanced manufacturing techniques, strict quality control, and continuous innovation, we ensure that each needle meets the highest performance and safety standards, meeting the rigorous demands of clinical diagnostics and treatment.
Superior Quality
Our EUS Needles are on par with leading brands like Boston Scientific, made using advanced methods such as CNC machining, laser engraving, and electropolishing to ensure precision and durability.
Tailored Solutions
We provide customizable options for packaging, needle length, diameter, material, and design, ensuring the perfect match for your specific needs.
International Certifications
Our manufacturing facility is certified under ISO 9001:2015 and ISO 13485, meeting rigorous global quality standards.
Reliable Delivery
By working with top-tier logistics partners, we guarantee fast, secure, and dependable delivery, tailored to suit your exact requirements.
Contact Us
If you have any questions or would like more information on how our EUS Needles assist with Fine Needle Aspiration (FNA) procedures, feel free to get in touch. Our team of experts is here to support your medical projects and help ensure your success. Let's work together to build a long-lasting partnership and make a meaningful contribution to the future of healthcare.
Our address
1606, Tower 4, Namtai Inno Part, FengHuang St., Guangming District, ShenZhen, GuangDong Province, China
Phone Number
+86-755-23699351
zhang@sz-manners.com
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