
SINGLE-USE COAXIAL NEEDLE
Single-use Coaxial Needle
Intended for tissue exploration or for establishing an access tract through tissue.Product features
More options
Available in 13 G, 14 G and 15 G specifications, with seven inner/outer diameter combinations and four lengths for varied clinical requirements.
More visible
A specially finished needle tip provides accurate, clear imaging.
More convenient
Graduation marks and an adjustable depth-stop ring support intuitive puncture positioning.
More efficient
One puncture supports repeated sampling or ablation, helping reduce patient burden.
More precise
A tri-bevel needle tip supports easier, more precise puncture.
Clinical applications
1. Clinical departments: ultrasound, interventional radiology, oncology, endocrinology, nephrology, pulmonology and thoracic surgery, among others.
2. Compatible devices: ablation needles, biopsy needles, syringes, endoscopes and ultrasound probes, among others.
Performance features

Tri-bevel inner-needle tip
The tri-bevel tip is designed for efficient puncture with less tissue trauma, reduced adherence and lower infection risk.
Depth-stop ring
The light-green silicone two-step ring secures the sheath and controls depth; used with the outer-needle markers, it improves depth visibility during puncture.
Textured outer-needle distal section
The textured surface is designed to provide ultrasound echo and wave-superposition performance.
Luer connection
The needle body and cannula connect to the Luer cap and hub respectively; the Luer connection between the inner and outer needles supports stability and reliability.


- Sheath tube
- Inner needle
- Outer needle
- Depth-stop ring
- Outer-needle hub
- Luer cap
Device-use illustration

Make a small skin incision at the intended insertion site using a scalpel.

Position the depth-stop ring according to the graduation marks, then puncture.

After reaching the target, remove the inner needle, retain the outer needle and insert a compatible ablation or biopsy needle.

Advance the ablation needle, or a cocked biopsy needle, to the intended position through the outer needle.

After ablation or biopsy, remove the ablation or biopsy needle.

For repeated treatment or sampling through the same site, adjust the angle as needed; after completion, reinsert and rotate the inner needle before withdrawal.
Sizes and configurations
48mm
78mm
108mm
148mm

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