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The TOOLMED Expert Reversed Femoral Intramedullary Nail-I is a sophisticated retrograde system specifically engineered for the stabilization of distal femoral fractures. Unlike antegrade nails, this "reversed" nail is inserted through the intercondylar notch of the knee, making it the ideal solution for supracondylar fractures where proximal access is limited or contraindicated. Manufactured from high-strength Ti-6Al-4V Titanium alloy, the nail features an "Expert" locking configuration at the distal end, consisting of multiple multi-planar holes that provide exceptional stability in the wide metaphyseal region of the distal femur. This design allows for the secure fixation of short distal fragments that traditional nails might fail to capture. The system also includes specialized internal compression capabilities and the option for blocking screws to refine fracture reduction. By preserving the soft tissue envelope of the hip and focusing on rigid distal anchorage, the TOOLMED Expert Reversed Nail-I ensures anatomical alignment and facilitates early knee joint mobilization for complex trauma patients.
T011-0001金色
TOOLMED
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1 Pcs
5-7 days
Product Description
The distal end features an increased density of multi-planar locking holes, allowing for stable fixation of fractures located extremely close to the knee joint.
Designed for insertion through the knee joint, which simplifies the surgical workflow for obese patients or those with ipsilateral hip implants.
Constructed from medical-grade Ti-6Al-4V, providing the optimal fatigue strength required to support the high mechanical loads of the distal femur.
Includes specialized instrumentation to apply axial compression across the fracture site, enhancing primary bone contact and accelerating the fusion process.
The primary indication. This system is designed to stabilize fractures in the distal metaphyseal zone, providing a rigid internal splint that prevents the common "recurvatum" or "procurvatum" deformities.
Ideal for patients who already have a total hip arthroplasty or a proximal femoral nail in place, as the retrograde approach avoids conflict with the existing proximal hardware.
Indicated for fractures that extend toward the knee joint surfaces, where the multi-planar expert locking configuration can capture and hold condylar fragments in anatomical alignment.
A preferred alternative to antegrade nailing in patients with a high BMI, where the retrograde knee approach is surgically more accessible and carries less risk of proximal soft tissue complications.
| Product name | Expert Reversed Femoral Intramedullary Nail-I |
| Material | TA3 |
| Diameter | / |
| Length | / |
| Application | / |
| Certificate | CE Certificate |
| Brand | TOOLMED |
| MOQ | 1 Pcs |
| OEM | Avaliable |
| Package | PE Inner Bag+Carton |
| Payment Method | T/T，Bank transfer, Western Union |
| Delivery Time | 5-7 days |
| Shipping | DHL EMS UPS TNT FEDEX |
The Expert Reversed Femoral Intramedullary Nail-I (Titanium) is a specialized retrograde nail designed for the surgical management of distal femur fractures. While traditional femoral nails are inserted from the hip (antegrade), the "reversed" nail is inserted through the knee joint. The "Expert" designation refers to the nail’s advanced distal locking configuration, which provides an increased number of multi-planar screw options. Manufactured from medical-grade Ti-6Al-4V Titanium alloy, the nail functions as a load-sharing central splint. It is engineered to capture the distal metaphyseal bone, where the canal is wide and traditional fixation is often unstable. By securing the bone fragments from the inside out, the nail provides rigid internal support that restores limb length and alignment while protecting the articular surface of the knee.
This system is primarily applied in the treatment of supracondylar fractures of the distal femur (AO/OTA Type 33). It is particularly effective for fractures where the distal fragment is short, as the multi-planar holes allow for the placement of multiple locking screws to ensure stability. The system is also a preferred application for polytrauma patients who have concurrent hip fractures or existing hip prostheses, as the retrograde approach does not interfere with the proximal anatomy. Furthermore, it is applied in the stabilization of periprosthetic fractures above a total knee replacement (TKR) and in corrective osteotomies for distal femoral mal-unions. Its ability to provide stable fixation in the "meta-diaphyseal" transition zone makes it a versatile tool for orthopedic trauma surgeons.
The primary advantage of the TOOLMED Expert Reversed Nail-I is the superior stability it provides in the distal third of the femur. By offering more locking options in different planes, it reduces the risk of "toggle" and secondary loss of reduction. The Titanium alloy construction offers excellent biocompatibility and high fatigue strength, which is critical for a weight-bearing bone like the femur. Another major advantage is the surgical efficiency; the retrograde approach is often faster and less invasive than plating for distal fractures, as it requires a smaller incision and preserves the periosteal blood supply. Additionally, the system’s dedicated distal targeting jig ensures that locking screws are placed with millimeter precision, minimizing the need for prolonged X-ray exposure.
Biomechanically, the nail acts as a central internal load-sharing device that resists bending, torsional, and axial forces. By occupying the medullary canal, the nail significantly reduces the stress on the bone cortex, which facilitates secondary bone healing through the formation of a bridging callus. The multi-planar locking screws create a "fixed-angle" construct at the distal end, which is essential for preventing the distal fragment from tilting under the pull of the gastrocnemius muscles. The Titanium material has a modulus of elasticity closer to cortical bone than stainless steel, which helps in more even stress distribution and prevents the "stress shielding" effect that can lead to bone thinning around the implant.
The surgical technique involves placing the patient in a supine position on a radiolucent table. A small incision is made through the patellar tendon or via a parapatellar approach. A guide wire is inserted through the intercondylar notch into the medullary canal under fluoroscopic guidance. The canal is reamed to the appropriate diameter. The Titanium Expert nail is then advanced over the guide wire until the distal end is flush with the articular surface. Using the distal targeting jig, multi-planar locking screws are inserted to secure the distal metaphysis. Proximal locking is then completed using a "free-hand" technique. Final radiographic checks are performed to ensure the fracture is reduced and the mechanical axis of the femur is restored.
Postoperative care focuses on early knee range-of-motion exercises to prevent joint stiffness (arthrofibrosis). For the surgical facility, maintenance of the retrograde instrument set is critical—specifically the intercondylar reamers and the distal targeting jigs. Titanium nails are strictly single-use devices. All instruments must be meticulously cleaned and sterilized using a standard steam autoclave at 134°C. Regular radiographic follow-up is necessary at 6, 12, and 24 weeks to monitor bone union and the integrity of the locking screws. Patients are usually allowed progressive weight-bearing based on the stability of the fracture pattern and the progress of callus formation observed on X-rays.
The TOOLMED Expert Reversed Femoral Intramedullary Nail-I (Titanium) offers a biomechanically superior and surgically flexible solution for distal femoral trauma. By combining advanced expert-level locking with the benefits of retrograde access, this system ensures stable fixation and optimal functional recovery for patients with complex supracondylar injuries.
The entry point is through the intercondylar notch, which is a non-weight-bearing part of the knee. Clinical studies have shown that when the nail is seated correctly (buried 2-5mm below the surface), there is no significant impact on long-term knee function.
Yes, provided the knee prosthesis has an "open" box design that allows the nail to pass through. This is a common and effective use for the Expert Reversed Nail in geriatric trauma.
The distal femur is very wide. Standard screws from one direction might not stop the bone from shifting. Multi-planar screws (from different angles) "lock" the bone fragments in three dimensions, providing much higher stability.
Titanium is preferred for its lower stiffness and better fatigue life. It allows for micro-motion that stimulates bone healing while providing a clearer image during post-operative CT or MRI scans compared to steel.
The nail is secured with multiple locking screws and a specialized end cap. This "expert" configuration ensures the nail remains flush and secure within the bone throughout the entire healing period.
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