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Stone Retrieval Basket-4 Parallel

A 4-Parallel Wire Stone Retrieval Basket is a minimally invasive device used to capture and remove stones from the ureter or kidney during a ureteroscopy. Its defining feature is four wires that run parallel to each other when the basket is open, creating a "cage-like" structure designed for controlled and secure stone entrapment.

    Product Features

    ● Four-Wire Construction: The basket is composed of four flat, parallel wires joined at the tip and the handle.
    ● Material: Primarily made of nitinol for its superelasticity and shape memory, allowing the basket to be straightened inside a catheter and spring back to its original form upon deployment without permanent deformation.
    ● Radiopaque Markers: The basket wires and sheath are visible under fluoroscopy, providing the urologist with real-time X-ray guidance.
    ● Handle Mechanism: An ergonomic handle with a sliding mechanism to open and close the basket with single-handed precision.

    Application scenarios

    ●  Medium-Sized Stones: Its larger internal volume makes it ideal for stones that are too large for a 3-wire basket but still manageable for retrieval.
    ●  Stones in the Kidney: The headless design and open architecture allow it to be navigated and deployed in the kidney's chambers without pushing the stone away.
    ●  Post-Lithotripsy Retrieval: Excellent for collecting multiple fragments after laser stone dusting or fragmentation.

    Instruction for use

    ●  Access: A ureteroscope is advanced to the stone.
    ●  Insertion and Deployment: The closed 4-wire basket is passed through the scope's working channel and deployed beyond the stone.
    ●  Engagement: The basket is pulled back or manipulated so the stone enters the open "cage" between the parallel wires.
    ●  Capture: The sheath is advanced, causing the parallel wires to close uniformly around the stone, securely caging it.
    ●  Retrieval: The entire assembly (scope, basket, and stone) is withdrawn.

    Specifications and Models

    Product No Model Sheath Outedr Diameter (F) Working Length (cm) Basket Width in Opened Condition(mm) Material
    432001 FN-1.7Fx90cm(10mm) 1.7F 90cm 10mm PI
    432002 FN-1.7Fx120cm(10mm) 1.7F 120cm 10mm PI
    432003 FN-1.9Fx90cm(10mm) 1.9F 90cm 10mm PI
    432004 FN-1.9Fx120cm(10mm) 1.9F 120cm 10mm PI
    432005 FN-1.9Fx90cm(15mm) 1.9F 90cm 15mm PI
    432006 FN-1.9Fx120cm(15mm) 1.9F 120cm 15mm PI
    432007 FN-2.5Fx90cm(15mm) 2.5F 90cm 15mm PI
    432008 FN-2.5Fx120cm(15mm) 2.5F 120cm 15mm PI

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