Comprehensive Technical Overview
Our Custom Bullet Point Needles represent the pinnacle of micro-manufacturing technology, where advanced geometric engineering meets uncompromising material integrity.
Non-Coring Geometric Design: The smooth, tapered bullet-point profile displaces tissue or septa rather than cutting it. This eliminates the risk of fragmentation (coring), ensuring absolute seal integrity in septum-penetrating applications.
Optimal Fluid Dynamics: By integrating high-precision grinding with precise side-port or customized opening configurations, these needles ensure uniform flow rates and minimal turbulence during delivery or aspiration.
Advanced Surface Engineering: Utilizing proprietary electro-polishing and micro-deburring processes, we achieve an ultra-smooth internal and external surface finish Ra ≦0.2µm. This drastically reduces friction, lowers insertion force, and prevents protein adsorption or chemical carryover.
Material Excellence: Available in medical-grade Stainless Steel (304, 316L), Cobalt-Chromium (CoCr), and Tungsten to meet specific requirements for rigidity, radiopacity, and biocompatibility.
为什么选择 LIJ Med Tube？
Dual Technical Dimensions—Tube & Needle Expertise: We fully understand that “Tubes” and “Needles” represent entirely distinct technical challenges and manufacturing barriers. LIJ Med Tube possesses deep industry accumulation in both ultra-fine tube manufacturing and ultra-sharp needle-point precision grinding, offering a one-stop solution from tube forming to distal functionalization.
Extreme Miniaturization Processing Capabilities: Challenging the absolute limits of micro-manufacturing, we can stably process ultra-fine medical tubes and needles with an Outer Diameter (OD) as small as 0.06mm, while strictly controlling dimensional tolerances at the micron level.
Top-Tier Surface & Edge Control: By introducing industry-leading electrochemical polishing and high-energy microscopic deburring processes, we ensure that the edges of all micro-slots, cutouts, and side windows remain flawlessly smooth under microscopic inspection, eliminating any risk of vessel wall damage or clinical complications.
- Comprehensive Bio-Material Mastery: Our production predominantly utilizes premium Austenitic Stainless Steel series (304, 304L, 316, 316L) as our foundation. Furthermore, we advanced our technology to successfully handle highly specialized alloys—such as Nitinol (Nickel-Titanium), Cobalt-Chromium (Co-Cr), and Platinum-Iridium (Pt-Ir)—for critical clinical devices.
Target Applications & Clinical Fields
Our custom-engineered bullet point needles are trusted across a wide spectrum of specialized medical and diagnostic applications:
Continuous Glucose Monitoring (CGM) & Insulin Delivery: Ultra-thin inserter needles designed for painless, trauma-free subcutaneous sensor and cannula placement.
In Vitro Diagnostics (IVD) & Laboratory Automation: High-durability sample probes and reagent dispensing needles that penetrate rubber septa repeatedly without coring or clogging.
Interventional Radiology & Biopsy: Pencil-point styles used for localized drug delivery, fluid aspiration, or guiding coaxial systems through dense tissue without deflection.
Ophthalmic & Neurological Microsurgery: Micro-scale needles engineered for high-tactile feedback and maximum precision in ultra-sensitive anatomical sites.
Specifications
Every needle we produce is fully customized to your specific blueprint. Below are our standard engineering capabilities:
| Specification Item | Capabilities & Range |
|---|---|
| Primary Materials | Austenitic Stainless Steel : SUS304, SUS304L, SUS316, SUS316L |
| Specialized Alloys | Nitinol , Co-Cr , Pt-Ir |
| Minimum Outer Diameter | Down to 0.06 mm (Ultra-fine micro-manufacturing limit) |
| Wall Thickness Range | Custom-engineered to match OD specifications |
| Processing Technology | Precision laser slotting, multi-axis ultra-precision grinding, side-window punching, multi-bevel needle-point grinding, electrochemical deburring & polishing |
| Dimensional Tolerance | OD/ID tolerance up to ±0.005 mm; Length tolerance up to ±0.05 mm |
| Surface Roughness | Ra ≤ 0.2 μm (After electrochemical polishing) |
Partner with an ISO 13485 Certified Manufacturer
As a medical-grade precision manufacturer focused on the global B2B market, LIJ Med Tube operates strictly under the ISO 13485 Medical Devices Quality Management System. From high-purity raw material traceability and rigorous in-process quality control to final cleaning and packaging within Class 10,000 cleanrooms, every step conforms to global regulatory and compliance standards.
We not only offer standard components but also specialize in deeply customized development (OEM/ODM) according to technical drawings from global medical device R&D companies. From prototyping to commercial scale-up, we provide agile, Design for Manufacturing (DFM) technical support to accelerate your innovative medical devices to market.
