Arthrex AR-8702 Micro SutureLasso Large Curve

Condition: New
Part #: AR-8702

$204.60

SKU: AR-8702 Categories: ,
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Description

The Arthrex AR-8702 Micro SutureLasso is a premier disposable suture-passing instrument engineered specifically for the complexities of small joint and extremity arthroscopy. Featuring an extended major bend configuration, this device allows surgeons to navigate the tightest anatomical constraints with a degree of precision that straight passers cannot match.

Designed to streamline the suture shuttling process, the AR-8702 combines a high-strength nitinol wire loop with a tapered needle design to ensure reliable tissue penetration and efficient repair. This instrument is a cornerstone for surgeons performing minimally invasive repairs where tactile feedback and directional control are paramount.

Core Technology: Tapered Precision and Nitinol Durability

The engineering behind the AR-8702 focuses on balancing structural rigidity with atraumatic entry. The device features a tapered stainless steel needle that transitions from a refined 20-gauge tip for easy penetration to a robust 16-gauge base for shaft stability.

At the heart of its shuttling mechanism is a pre-loaded Nitinol wire loop. Nitinol’s shape-memory properties ensure that the loop maintains its integrity even after repeated passes through dense fibrocartilage or labral tissue, preventing the “kinking” common in standard wire passers.

Mechanism of Action

The Micro SutureLasso operates on a “shuttle” principle to bridge the gap between percutaneous access and intra-articular repair:

  1. Tissue Penetration: The curved needle is passed through the target tissue (e.g., the rotator cuff or TFCC).

  2. Loop Deployment: The internal Nitinol loop is deployed into the joint space.

  3. Suture Capture: A suture (such as FiberWire) is loaded into the loop.

  4. Shuttling: The device is retracted, pulling the suture through the tissue and out the entry point, effectively placing the stitch exactly where required for the repair.

Clinical Applications and Uses

The AR-8702 is a versatile tool across several orthopedic sub-specialties. Its “Large Curve” geometry is particularly effective in:

  • Shoulder Arthroscopy: Rotator cuff repairs and labral reconstructions where steep angles are required.

  • Knee Surgery: Meniscal repairs, especially for difficult-to-reach posterior horn tears.

  • Hand and Wrist: Triangular Fibrocartilage Complex (TFCC) repairs.

  • Foot and Ankle: Addressing ligamentous instabilities in small joint spaces.

Key Advantages: Beyond Standard Straight Passers

The Micro SutureLasso provides distinct clinical benefits over traditional straight or minor-bend instruments:

  • Superior Tissue Reach: The extended major bend facilitates access to “around-the-corner” anatomy that is otherwise inaccessible via straight-path instruments.

  • Ergonomic Control: The stiffened shaft and specialized handle design translate the surgeon’s hand movements directly to the tip, minimizing unintentional tissue trauma.

  • Optimized Shuttling: Specifically designed for compatibility with #2-0 to #2 sutures, including high-strength FiberWire and FiberSticks.

  • Safety and Efficiency: The sterile, single-use format eliminates cross-contamination risks and the maintenance costs associated with reusable instruments.


Technical Specifications

Feature Specification
Model Number AR-8702
Needle Geometry Large Curve (Major Bend)
Tip Diameter 20-Gauge
Base Diameter 16-Gauge
Material Stainless Steel (Needle) / Nitinol (Loop)
Suture Compatibility #2-0 to #2 (FiberWire, FiberStick)
Format Sterile, Single-use

Frequently Asked Questions

What are the primary benefits of the AR-8702 Large Curve over straight passers?

The AR-8702 Large Curve offers superior access in tight anatomical spaces where a straight path is restricted by bone or dense tissue. Its extended major bend allow surgeons to navigate around obstacles in the shoulder, knee, or wrist, reaching specific repair sites that straight instruments simply cannot access effectively.

What types of sutures are compatible with the Micro SutureLasso?

This device is optimized for high-strength orthopedic sutures ranging from size #2-0 to #2. It is specifically designed to work seamlessly with Arthrex FiberWire and FiberSticks. The Nitinol loop is engineered to grip these sutures securely during the shuttling process without fraying the braided material.

Why is Nitinol used for the suture-passing loop instead of stainless steel?

Nitinol is a shape-memory alloy that provides exceptional durability and flexibility. Unlike standard steel wire, which can kink or permanently deform after a few passes, Nitinol returns to its original loop shape. This ensures consistent suture capture throughout the entire procedure, even in high-tension environments.

Is the Arthrex AR-8702 a reusable instrument?

No, the AR-8702 is a sterile, single-use disposable device. Using a single-use format ensures that the needle tip is perfectly sharp for every procedure and the Nitinol loop is at its maximum strength. This also eliminates the risk of surgical site infections and costs associated with reprocessing.

In which surgical techniques can the Micro SutureLasso be utilized?

The device is highly versatile and supports both inside-out and outside-in arthroscopic techniques. This versatility makes it a staple for various procedures, including rotator cuff repairs, meniscal stitching, and TFCC reconstructions, allowing surgeons to choose the best approach based on the patient’s specific anatomy and pathology.

How does the tapered needle design improve surgical outcomes?

The needle tapers from a fine 20-gauge tip to a 16-gauge base. The thin tip allows for precise, atraumatic penetration of delicate tissues, while the thicker base provides the structural rigidity needed to control the needle’s path through the joint. This combination reduces tissue trauma while maximizing surgeon control.

Listing Terms & Conditions

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