Product Overview
This high-precision custom puncture needle is crafted from 304 or 316L stainless steel capillary tubing. Designed for specialized applications necessitating exact penetration and fluid control, it features advanced processes like tapering and diameter reduction to achieve a sharp, durable tip and tailored needle profiles. The body is treated with sandblasting for a uniform, matte, and non-slip finish, complemented by clear, permanent markings for precise depth control. This comprehensive machining solution ensures outstanding biocompatibility and corrosion resistance in demanding conditions.
Product Uses
Medical & Veterinary: Biopsy, fluid aspiration/injection, epidural/anesthesia, ophthalmic surgery, micro-invasive procedures.
Industrial & Scientific: Precision fluid sampling (e.g., chromatography), probe needles for testing, micro-dispensing, and fluidic connections.
Product Specifications
Parameter Details
Specification
Description / Standard Options
Base Material
Material Grade
304 Stainless Steel / 316L Stainless Steel
Key Property
316L offers exceptional corrosion resistance, perfect for harsh (e.g., saline) conditions.
Dimensions
Outer Diameter (OD)
Customizable, standard range of 0.2 mm to 2.5 mm.
Inner Diameter (ID)
Customizable, based on wall thickness requirements.
Wall Thickness
Customizable.
Needle Length
Customizable according to application.
Processing & Features
Tapering / Point Grinding
Precision ground to a sharp, burr-free point (e.g., lancet, pencil point).
Reducing (Swaging)
Tube OD is reduced to create specific profiles or enable fittings.
Graduations / Scale
Precision laser-engraved scales for depth measurement. Custom intervals.
Surface Finish
Sandblasting/ Bead Blasting: Standard matte, non-glare finish.
Marking
Permanent laser marking for logos, part numbers, or size identification.
Performance Attributes
Sterilizability
Sterilizable via autoclave, gamma radiation, or ETO.
Exceptional Corrosion Resistance
Outstanding (316L > 304).
Tailored Solutions
Fully customizable. Send drawings or samples for a quote.