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Ultrasound-guided nerve block needle (prismatic array with exceptionally strong echogenicity)
1 , needle tip with an obtuse oblique bevel, and a back angle on the needle tip 25~30 °Hand‑crafted with meticulous polishing, it facilitates skin penetration and fascial breakthrough, enhances the puncture feel, improves procedural accuracy, reduces safety risks, and effectively prevents injury to nerves and blood vessels.
2 , needle tip 8mm There is 4*8 Total 32 An ultrasonic prismatic reflective zone and 6*8 Total 48 Two manufacturing processes for the ultrasonic prismatic reflector enhance ultrasonic reflection, making the needle tip clearly visible and facilitating precise localization.
3. Ergonomic needle‑handle design provides a firm, tactile feel during insertion, ensuring both slip resistance and precision during use.
4. The blue tip‑alignment indicator is highly visible, ensuring that the needle hub and the bevel of the needle tip are aligned, thereby facilitating clear identification of the puncture direction.
5. A depth‑adjustable vernier scale enables physicians to flexibly preset the puncture depth according to the specific anatomical site, ensuring precise needle placement.
Ultrasound-guided nerve block needle (360° reverse double-threaded, echo-enhanced technology)
1 , needle tip with an obtuse oblique bevel, and a back angle on the needle tip 25~30 °Hand‑crafted with meticulous polishing, it facilitates skin penetration and fascial breakthrough, enhances the puncture feel, improves procedural accuracy, reduces safety risks, and effectively prevents injury to nerves and blood vessels.
2. The needle tip features an ultra‑long, reinforced reverse double‑thread design that enhances ultrasonic reflection, making the tip clearly visible and facilitating precise localization.
3. Ergonomic needle‑handle design provides a firm, tactile feel during insertion, ensuring both slip resistance and precision during use.
4. The blue tip‑alignment indicator is highly visible, ensuring that the needle hub and the bevel of the needle tip are aligned, thereby facilitating clear identification of the puncture direction.
5. Depth‑adjustable vernier scale, enabling physicians to flexibly preset the puncture depth according to the specific anatomical site and ensure precise needle placement.
Ultrasound Imaging Comparison Chart
Conventional puncture needles and electrostimulation needles are indistinct and difficult to distinguish.
Mei Xing nerve block needles provide clear, stable ultrasound visualization with no blind spots and no artifacts.
Flowchart of the Operation Procedure
1. Use the probe to locate a satisfactory image, and stabilize it by resting on the palm side or the elbow as a fulcrum; (Figure 1)
2. Set the probe’s preset puncture depth, and align the blue blade‑tip indicator with the probe to ensure optimal imaging quality; (Figure 4)
3. Locate the midline of the probe for needle insertion; the midline can be identified using a marking technique. (Figure 5)
4. During puncture, do not exert force with the fingers or wrist; instead, use the elbow to drive the forearm, and the forearm to drive the wrist, performing the needle insertion to ensure… When the puncture needle is advanced within the ultrasound beam, applying force with the finger or wrist can cause the needle to follow a curved trajectory, extending beyond the ultrasound beam’s field of view; ( Figure 6)
5. After advancing the needle a certain distance, return your gaze to the screen to assess the target nerve’s position and the clarity of the needle’s visualization. When performing a midline puncture and the needle’s visualization is unclear, slightly adjust the probe’s position until the distal 1 cm of the needle is fully visualized.
6. If, after adjusting the probe, the target nerve remains unclear, it indicates that the puncture trajectory and the clearest visualization of the target nerve do not lie in the same plane; in this case, withdraw the puncture needle and re‑aim the probe to align with the midline before resuming the procedure.
7. The reason for poor visualization of the puncture needle is that the needle’s trajectory deviates from the midline or extends entirely beyond the imaging plane. (Figure 7)
Brachial plexus block
Ultrasound-guided nerve block needle
Paravertebral thoracic nerve block
Ultrasound-guided nerve block needle
② Process design for enhanced reflection points on a frustum with 32 or more facets
③ The needle tip features a short, obtuse bevel design, effectively preventing nerve injury and enhancing the puncture feel.
④ The needle tip with a back‑edge design facilitates skin penetration and breakthrough of the fascia.
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② Process design for enhanced reflection points on a frustum with 32 or more facets
③ The needle tip features a short, obtuse bevel design, effectively preventing nerve injury and enhancing the puncture feel.
④ The needle tip with a back‑edge design facilitates skin penetration and breakthrough of the fascia.
② Ballpoint‑style tip design prevents the steel wire from being exposed.
③ Built-in spring‑coiled steel wire, resistant to kinking and clogging, suitable for long-term indwelling.
Reinforced steel-wire anesthesia puncture pack/puncture kit
② A reinforced steel‑wire–type microcatheter for nerve blockades has been developed; it provides clear visualization under ultrasound, resists kinking and medication occlusion, reduces the risk of neurovascular injury, and is well suited for prolonged postoperative analgesia.
Scope of application: Unchanged
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