Dongguan Yuelinsen Metal Technology Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 5000000pcs |
| Delivery Time | 5-8 working days |
| Packaging Details | Vacuum packaging cardboard box |
| Heattreatment | Available on request |
| Composition | Stainless Steel |
| Productname | Medical Machining Parts |
| Special Use | Medical Stainless Steel |
| Model No | 8G |
| Technique | Cold Drawn |
| Quantity | Prototype to Mass Production |
| Sizerange | Custom sizes available, typical range 1mm to 300mm |
| Trademark | yue lin sen |
| Wall Thickness | 0.1 mm - 3.0 mm |
| Transport Package | Plastic Box; Wooden Box |
| Type | CNC Machining |
| Biocompatibility | Meets Medical Grade Standards |
| Application | Medical Devices, Surgical Instruments |
| Process | Cnc Machining+deburrs, Anodized nature |
| Brand Name | yeu lin sen |
| Model Number | Y1662 |
| Certification | ISO9001 ISO13485 |
| Place of Origin | Guangdong |
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Product Specification
| Payment Terms | T/T | Supply Ability | 5000000pcs |
| Delivery Time | 5-8 working days | Packaging Details | Vacuum packaging cardboard box |
| Heattreatment | Available on request | Composition | Stainless Steel |
| Productname | Medical Machining Parts | Special Use | Medical Stainless Steel |
| Model No | 8G | Technique | Cold Drawn |
| Quantity | Prototype to Mass Production | Sizerange | Custom sizes available, typical range 1mm to 300mm |
| Trademark | yue lin sen | Wall Thickness | 0.1 mm - 3.0 mm |
| Transport Package | Plastic Box; Wooden Box | Type | CNC Machining |
| Biocompatibility | Meets Medical Grade Standards | Application | Medical Devices, Surgical Instruments |
| Process | Cnc Machining+deburrs, Anodized nature | Brand Name | yeu lin sen |
| Model Number | Y1662 | Certification | ISO9001 ISO13485 |
| Place of Origin | Guangdong | ||
| High Light | 304 Stainless Steel Capillary Puncture Needle ，Medical Grade Side-Hole Spray Needle ，Precision Side-Hole Drilling Medical Stainless Steel Needle | ||
The 304 Stainless Steel Capillary Tubing Side-Hole Puncture and Spray Needle is a specialized medical and industrial instrument designed for precise fluid delivery or aspiration through a lateral opening. Manufactured from medical-grade 304 stainless steel capillary tubing, it features a closed, sharpened tip for penetration and one or more precision-drilled side holes located near the distal end. This configuration allows for radial dispersion or collection of fluids, minimizing forward jet pressure and enabling targeted delivery or sampling in confined or delicate spaces.
Material Preparation: Selection and cutting of certified 304 stainless steel capillary tubing to specified length.
Tip Sharpening: Precision grinding of the distal end to form a sharp, closed tip (e.g., beveled, trocar, or pencil point).
Side-Hole Drilling: Micro-drilling or laser ablation of one or more lateral holes at a precise location and angle relative to the tip. Holes can be radial or angled.
Deburring & Cleaning: Meticulous removal of burrs from the side holes and internal lumen, followed by ultrasonic cleaning.
Surface Finishing: Electropolishing and passivation for a smooth, clean, and corrosion-resistant surface.
Hub Assembly (if applicable): Attachment of a Luer-Lock or other standard connector to the proximal end.
Inspection & Testing: Dimensional verification, visual inspection under magnification, and functional flow/pressure testing.
Sterilization & Packaging: Sterilization (e.g., Gamma, EtO) and clean packaging for medical versions.
Medical Interventional Procedures: Angiography/Embolization: For contrast agent or embolic material delivery. Abscess/Cyst Drainage: For fluid aspiration. Nerve Blocks: For circumferential anesthetic distribution. Tumor Ablation: For ethanol or chemotherapeutic agent injection.
Laboratory & Analytical Chemistry: Chromatography: As a solvent spray needle for Mass Spectrometry (e.g., ESI sources). Micro-Dispensing: Precise delivery of reagents.
Industrial Processes: Precision Lubrication: Oiling of bearings or small mechanisms. Adhesive/Sealant Application: In micro-assembly. Cleaning/Spraying: In confined spaces.
| Parameter Category | Specification | Details & Options |
|---|---|---|
| Material | Tubing Material | 304 Stainless Steel (Medical Grade, ASTM A269/A632). Good corrosion resistance, strength, and formability. |
| Design | Tip Configuration | Closed Tip: Sharpened for penetration (Bevel, Trocar, Pencil Point). |
| Side-Hole Configuration | Number of Holes: 1, 2, 3, or more. Hole Pattern: Radial (same plane), helical (spiral), or custom. Hole Shape: Typically round; oval or slot possible. |
|
| Hole Position | Distance from the closed tip (e.g., 2mm, 5mm, 10mm). | |
| Dimensions | Outer Diameter (OD) | Typical Range: 0.3 mm to 2.0 mm (30G to 14G equivalent). |
| Inner Diameter (ID) | Typical Range: 0.1 mm to 1.5 mm (dependent on wall thickness). | |
| Wall Thickness | Customizable for pressure requirements. | |
| Overall Length | Common: 50 mm to 300 mm. Custom lengths available. | |
| Hole Specifications | Hole Diameter | Typical: 0.05 mm to 0.5 mm. Proportional to tubing OD/ID. |
| Hole Drilling Tolerance | Position: ±0.05 mm. Diameter: ±0.01 mm. | |
| Performance | Flow Characteristics | Designed for radial or angled fluid dispersion. Reduces high-velocity forward jetting compared to open-end needles. |
| Pressure Rating | Varies by design (OD, wall thickness). Standard designs suitable for pressures up to 50-300 bar (700-4500 psi) for industrial; lower for medical. | |
| Directionality | Fluid exits primarily through the side hole(s), creating a spray pattern perpendicular or at an angle to the needle axis. | |
| Surface Finish | External & Internal | Electropolished. Smooth finish (Ra ≤ 0.4 µm) minimizes flow resistance and particle adhesion. |
| End Connection (Proximal) | Medical | Standard Luer Lock Hub (ISO 594). |
| Industrial/Lab | Luer Lock, ¼-28 flat-bottom fittings, compression fittings, or custom. | |
| Tolerances | Overall Dimensions | Length: ±0.5 mm. OD: ±0.01 mm. |
| Sterility (Medical) | Sterilization Method | Ethylene Oxide (EtO) or Gamma Irradiation. |
| Packaging | Individual sterile pouch or blister. | |
| Quality | Inspection | Visual (microscope) for hole quality, dimensional checks, flow/pressure test. |
| Customization | Hole Geometry & Pattern | Fully customizable number, size, position, and angle of side holes. |
| Tip Style | Sharp, blunt, or specially shaped. | |
| Material Grade | 316L available for enhanced corrosion resistance. | |
| Key Feature | Functional Advantage | Enables targeted fluid delivery adjacent to, rather than directly ahead of, the needle tip, which is critical for coating surfaces, filling cavities, or avoiding damage to tissue/structures beyond the tip. |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2018
Total Annual:
1 million-2 million
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Dongguan Yue Lin Sen Metal Technology Co., Ltd. has passed the GB/T 19001-2016/ISO 9001:2015 quality management system certification and the GB/T 42061-2022/ISO 13485:2016 medical device quality management system certification. It specializes in the research and production of non-standard metal medi... Dongguan Yue Lin Sen Metal Technology Co., Ltd. has passed the GB/T 19001-2016/ISO 9001:2015 quality management system certification and the GB/T 42061-2022/ISO 13485:2016 medical device quality management system certification. It specializes in the research and production of non-standard metal medi...
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