Specially Shaped Needle

Specially Shaped Needle Customized: research and development of various specially shaped needle cannula, according to the customer’s requirements.

Technical Specifications

Parameter Value / Description
Product Name Specially Shaped Needle (Customized Cannula)
Gauge Range 14G – 34G (customizable)
Outer Diameter (OD) 2.1 mm – 0.18 mm (depending on gauge)
Needle Length Options 4 mm – 150 mm (customizable)
Needle Geometry Straight, curved, angled, J-shaped, hooked, irregular (designed per requirements)
Cannula Material Medical-grade stainless steel SUS304 / SUS316L (ISO 9626 compliant)
Surface Finish Electropolished, siliconized, or Teflon-coated (optional, depending on application)
Hub Material Medical-grade polypropylene, stainless steel, or custom design
Connection Type Luer-lock, Luer-slip, or proprietary
Sterilization Options EO (Ethylene Oxide), Gamma irradiation, or non-sterile (for R&D/lab use)
Packaging Individual blister packs or bulk packaging, depending on order
Single-Use / Reusable Typically single-use, but reusable options available upon request
Certification ISO 13485, CE marking, FDA (depending on region and application)

Specially Shaped Needle: Precision-Engineered Solutions for Complex Medical Challenges

Specially Shaped Needle Innovation Purpose

We pioneer the design and manufacture of non-standard needle geometries to overcome limitations in minimally invasive procedures. Our custom-engineered solutions enable breakthroughs in accessing confined anatomies, delivering novel therapies, and optimizing device-tissue interactions, transforming conceptual medical innovations into clinical reality.

Customization Advantages

Geometry Mastery
Parametric tip designs: J-hooks, helical coils, side-ports, multi-lumen profiles, or patient-specific curves.
Micro-scale features: Barbed retention elements, fluidic channels (≥50μm ID), or directional drug-elution windows.

Advanced Fabrication
Laser micromachining ±5μm tolerances.
Electroforming for seamless tapered transitions.
Shape-memory alloy integration (Nitinol).

Rapid Prototyping
3D-printed surgical-grade steel/PEEK prototypes in ≤72 hours.
In silico fluid dynamics/structural simulation reports.

Material Applications
SUS316LVM High-stress interventions (orthopedic/bone access)
Nitinol Steerable neurovascular/electrophysiology tools
PEEK MRI-guided biopsy systems
Gold-plated Electroporation/ablation electrodes

Clinical Transformation Examples

  • Ophthalmic Microneedles: 35G kinked-tip design for subretinal drug delivery.

  • Neurological Ports: Curved cannulas bypassing critical brain structures.

  • Brachytherapy Seeds: Barbed deployment needles securing radioactive implants.

End-to-End Development Support

  • Phase 1: CAD/FEA modeling → Phase 2: Animal validation kits → Phase 3: ISO 13485 production

  • Regulatory roadmap: Design dossiers for FDA 510(k)/CE MDR submissions

  • Scalability: Pilot batches (50 units) to mass production (1M+/month)

Questions and Answers

Q: What is the slant of a needle called?

A: Bevel: This is the slanted tip of the needle that makes skin penetration easier. The length and angle of the bevel can vary depending on the specific type of needle.

Q: Which needles hurt the least?

A: The needles that hurt the least are those with a smaller diameter, specifically those with a higher gauge number (e.g., 32-gauge or 34-gauge) compared to larger, lower-gauge needles (e.g., 25-gauge or 30-gauge). Shorter needles, such as microneedles that are only 1–3 mm long, are also designed to minimize pain by remaining within the skin. However, the type of needle and the specific body site matter, and some studies have found no difference in pain between certain needle sizes.

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