DePuy Mitek 10.5mm Acorn Reamer Orthopedic Arthroscopy Instrument

DePuy Mitek Acorn Reamer (10.5mm) – Precision Bone Tunnel Preparation

The clinical gold standard for anatomical tunnel accuracy in ligament reconstruction. The DePuy Mitek 10.5mm Acorn Reamer is a specialized orthopedic consumable engineered to solve the requirement for precise, high-fidelity bone resection in arthroscopic surgery. Featuring an optimized “acorn” cutting geometry and a precision-calibrated 10.5mm diameter, this reamer is a mechanical necessity for sports medicine surgeons who require precise tunnel dimensions to ensure secure graft integration, critical to successful ACL and ligament stabilization.

Key Features for Professional Surgical Workflow

• Precision-Engineered Acorn Cutting Geometry: Designed with a specialized, rounded-taper profile. This geometry is a mechanical necessity for ligament reconstruction; it allows the reamer to progress smoothly through the bone, minimizing “chatter” and ensuring a perfectly cylindrical, smooth-walled tunnel that maximizes graft-to-bone contact surface area.
• Calibrated 10.5mm Diameter Tolerance: Manufactured to exacting specifications for specific graft sizing. This dimension is a mechanical necessity for surgical reproducibility; it ensures that the tunnel is sized exactly to the graft diameter, thereby reducing micromotion and promoting robust biological healing.
• Atraumatic Entry Transition: Engineered to provide a seamless, centered start on the cortical bone surface. This transition is a mechanical necessity for procedural accuracy; it prevents the reamer from “walking” or sliding off the intended drilling site, protecting surrounding joint structures during the initial tunnel creation.
• Sterile-Packaged Clinical Readiness: Delivered in a hermetically sealed, sterile-grade package. This is a mechanical necessity for OR turnover; it eliminates the need for facility-based reprocessing of this specific consumable, ensuring the tool is ready for immediate, safe use in the sterile field.
• High-Tensile Surgical-Grade Metallurgy: Forged from alloys capable of maintaining sharpness through dense cortical bone. This hardness is a mechanical necessity for longevity throughout the reaming process, ensuring the diameter remains perfectly consistent from the entry point to the tunnel exit.
• Universal Power-System Coupling: Compatible with standard surgical power drivers used in orthopedic sports medicine. This interface is a mechanical necessity for operational efficiency, allowing the surgeon to seamlessly integrate the reamer into existing power sets without equipment-related delays.

Detailed Product Description

The DePuy Mitek Acorn Reamer is the foundational tool for creating the primary structural pathways in ligament reconstruction. In ACL or other ligamentous repairs, the bone tunnel is not merely a hole but the mechanical interface that must hold the graft under significant tension; the Acorn Reamer serves as the mechanical means to create this interface, providing a clean, perfectly sized tunnel that facilitates optimal graft fixation.

At its core, the reamer is designed for predictability. In arthroscopic surgery, the surgeon often relies on intraoperative feel; the reamer’s balance and cutting efficiency serve as a mechanical necessity for tactile feedback, allowing the surgeon to feel the precise transition between different bone densities. This allows for safe, controlled advancement of the reamer, ensuring efficient tunnel formation while protecting the posterior cortex.

Built to exceed international benchmarks for orthopedic surgical hardware, this reamer is an indispensable asset, ensuring that every ligament reconstruction begins with the highest standard of procedural accuracy. Its combination of specific diameter calibration and optimized cutting action makes it the trusted choice for sports medicine specialists worldwide.

Technical Specifications & Geometry

Feature Details

Instrument Style Acorn-Pattern Orthopedic Reamer

Working Diameter 10.5mm (Precisely Calibrated)

Geometry Profile Smooth-Wall Resection Taper

Coupling Interface Universal Surgical Power Driver Compatible

Packaging Status Sterile, Ready for OR Use

Material Base Premium Hardened Surgical Stainless Steel

System Integration is compatible with standard arthroscopic drill sets

Certifications CE, ISO, Professional Surgical Grade

Primary Clinical Applications:

• ACL Reconstruction: Creating the primary tibial and femoral tunnels for graft passage.
• Ligament Fixation: Preparation of bone channels for various ligamentous stabilization procedures.
• Arthroscopic Bone Resection: Precision creation of access or graft-retention channels.
• Sports Medicine: Trusted for high-precision tunnel sizing in athlete joint reconstruction.
• Surgical Accuracy: Foundational for reproducible, stable joint repair outcomes.

Why Orthopedic Surgeons Choose DePuy Mitek Reamers?

• Graft-Fit Accuracy: The 10.5mm tolerance is a mechanical necessity for ensuring a snug, high-stability graft fit, which is essential for long-term clinical success.
• Reduced Bone Trauma: The acorn geometry is a mechanical necessity for “shaving” rather than “crushing” the bone, minimizing thermal necrosis and bone-side damage during the drilling phase.
• Procedural Predictability: The precision-engineered tip is a mechanical necessity for preventing tunnel drift, ensuring the surgeon’s pre-operative plan is executed exactly in the OR.
• Sterile Efficiency: The sterile packaging is a mechanical necessity for maintaining the highest standards of infection control in orthopedic surgery, giving the surgeon peace of mind with every pack opened.

FAQ Section

Q: Why is the “Acorn” shape superior for bone tunnels?

A: The geometry is a mechanical necessity. It allows the reamer to create a smooth, compacted tunnel wall, which is a mechanical necessity for reducing biological dead space and improving graft integration compared to traditional flat-tip drills.

Q: How does this diameter impact surgical outcome?

A: Graft tension is a mechanical necessity. Using the exact-diameter reamer ensures that the graft is held securely by the tunnel walls, a mechanical necessity for minimizing postoperative graft relaxation.

Q: Can this reamer be used for non-arthroscopic bone work?

A: While it is optimized for arthroscopic tunnels, its cutting efficiency is a mechanical necessity for any orthopedic procedure requiring precision-sized bone channels, provided the driver coupling is compatible.

Q: How is the tunnel depth managed?

A: Precision advancement is a mechanical necessity. The reamer’s performance allows the surgeon to precisely control penetration depth, a mechanical necessity for preventing posterior cortex blowout during femoral tunnel creation.

Q: Why is this reamer supplied sterile?

A: Maintaining sterility in sports medicine is a mechanical necessity. Providing the instrument in sterile packaging is a mechanical necessity to ensure patient safety and reduce the risk of surgical site infection in high-risk reconstructions.