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Steel Capillary Needle Precision Puncture

Medical Machining Parts
January 23, 2026
Category Connection: Medical Machining Parts
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Tags:
#Medical Needle #CNC Milling Parts #Cnc Medical Parts
Brief: This video provides a guided demonstration of the 304/316L Stainless Steel Capillary Slotted Scale Puncture Needle. You'll see how its precision-ground tip ensures clean penetration and how the integrated slotted scale allows for direct visual monitoring of micro-volume fluid movement. We'll walk through its applications in laboratory and medical procedures where exact fluid measurement and controlled access are critical.
Related Product Features:
  • Precision-ground sharp tip for clean penetration of septa or tissues.
  • Integrated slotted scale window for direct visual volumetric reading.
  • Manufactured from 304 or 316L stainless steel for durability and biocompatibility.
  • Electropolished finish provides a smooth, inert, and corrosion-resistant surface.
  • Laser-etched permanent graduations in microliters, nanoliters, or millimeters.
  • Suitable for microinjection, chromatography, and ophthalmic surgery applications.
  • Available in various outer diameters from 0.3 mm to 1.2 mm and lengths from 35 mm to 150 mm.
  • Compatible with standard sterilization methods including autoclave, gamma, and ETO.
  • Precision-ground sharp tip for clean penetration of septa or tissues.
  • Integrated slotted scale window for direct visual volumetric reading.
  • Manufactured from 304 or 316L stainless steel for durability and biocompatibility.
  • Electropolished finish provides a smooth, inert, and corrosion-resistant surface.
  • Laser-etched permanent graduations in microliters, nanoliters, or millimeters.
FAQs:
  • What is the main advantage of the slotted scale on this puncture needle?
    The slotted scale functions as a visual window, allowing direct observation of the fluid meniscus movement for accurate micro-volume aspiration or injection without requiring separate measuring devices.
  • What materials are available and how do they differ?
    These needles are manufactured from either 304 stainless steel for general purpose use or 316L stainless steel which offers enhanced corrosion resistance, making it preferred for biological buffers, salts, and prolonged fluid contact applications.
  • What types of tip configurations are available?
    The needles come with various tip configurations including lancet points with sharp bevels for piercing, pencil points for non-coring applications, and blunt polished tips, with bevel angles ranging from 12° to 20° for lancet points.
  • Are these needles suitable for sterilization?
    Yes, they are compatible with standard sterilization methods including autoclave for reusable applications, gamma irradiation, and ethylene oxide (ETO) sterilization, and can be supplied either non-sterile or pre-sterilized.
  • What is the main advantage of the slotted scale on this puncture needle?
    The slotted scale functions as a visual window, allowing direct observation of the fluid meniscus movement for accurate micro-volume aspiration or injection without requiring separate measuring devices.
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