English
 |
The TOOLMED DFN Distal Femur Intramedullary Nail Instrument Set is a high-precision surgical system specifically engineered for the retrograde management of distal femoral fractures. Unlike universal sets, the DFN toolkit is optimized for the "knee-up" approach, providing specialized instrumentation to navigate the complex anatomy of the femoral condyles. The set features advanced, multi-planar targeting jigs that allow for a high density of locking screws in the short distal fragment, ensuring maximum stability in supracondylar and intercondylar injuries. Each component, from the cannulated entry awls to the ergonomic inserters, is crafted from medical-grade 17-4PH stainless steel and aircraft-grade aluminum. The system includes specialized radiolucent targeting arms to ensure unobstructed intraoperative imaging of the joint surface. Housed in a modular, multi-level sterilization tray, the TOOLMED DFN Instrument Set provides trauma surgeons with the reliability and anatomical precision needed to treat complex distal femoral trauma and periprosthetic fractures with confidence.
1200-21
TOOLMED
/
/
/
1 Pcs
5-7 days
Product Description
The system is purpose-built for retrograde insertion, featuring a targeting jig that aligns perfectly with the anatomical flare of the distal femoral metaphysis.
Equipped with specialized sleeves that allow for divergent and convergent screw placement, providing superior stability in the wide, cancellous bone of the condyles.
Features high-strength carbon fiber targeting arms that eliminate metal interference on X-rays, allowing for perfect visualization of the joint line and screw placement.
Includes premium flexible reamers designed to prepare the medullary canal from a distal entry point while minimizing pressure and protecting the femoral shaft.
The set is primarily indicated for fractures of the distal third of the femur (AO/OTA Type 33), where the retrograde approach allows for stable fixation of short metaphyseal fragments.
Specifically indicated for fractures occurring above a stable total knee replacement, where the nail is inserted through the box of the femoral component.
Indicated for shaft fractures where a retrograde approach is preferred to allow for simultaneous surgical access to the hip or to avoid existing proximal hardware.
Contains the specialized extraction and re-reaming tools indicated for revision procedures, providing the precision needed to realign the distal femoral axis.
| Product name | DFN Distal Femur Intramedullary Nail Instrument Set |
| 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 DFN Distal Femur Intramedullary Nail Instrument Set is a specialized collection of surgical tools engineered specifically for the retrograde nailing of femoral fractures. This system provides the essential interface for a "knee-up" surgical approach, containing every component from the retrograde entry awl to the final multi-planar locking screw drivers. Unlike antegrade sets, the DFN instrumentation is optimized for the wide anatomy of the distal femoral metaphysis. It includes high-precision targeting jigs that allow for the placement of multiple locking screws in divergent orientations, ensuring a stable construct in the relatively short distal bone fragments typical of supracondylar injuries. Manufactured from medical-grade 17-4PH stainless steel and radiolucent carbon fiber, the set ensures extreme mechanical accuracy and intraoperative reliability.
This instrument set is primarily applied in the surgical treatment of distal femoral fractures, particularly supracondylar and intercondylar injuries. A major application of the DFN system is in periprosthetic fractures, where the nail is applied through a total knee arthroplasty (TKA) component. It is also applied in polytrauma cases where a retrograde approach is chosen to allow for simultaneous treatment of hip or pelvic fractures. In clinical practice, the set is utilized for comminuted fractures requiring a load-sharing internal scaffold and for the correction of distal femoral deformities. Its specialized reaming and targeting capabilities make it an essential application for trauma centers managing high-energy lower limb injuries.
The primary advantage of the TOOLMED DFN Instrument Set is its superior targeting precision in the distal femur. The radiolucent carbon-fiber targeting arms are a critical advantage, providing an "invisible" frame during fluoroscopy, which allows the surgeon to visualize the joint line and the nail holes with perfect clarity. The set’s multi-planar locking capability is another significant advantage, as it enables the placement of divergent screws that provide a "fixed-angle" effect in the wide distal metaphysis. Furthermore, the ergonomic design of the retrograde inserter reduces surgical fatigue, and the high-grade stainless steel reamers ensure rapid and clean canal preparation, reducing the risk of heat-induced bone damage.
Biomechanically, the instrument set facilitates a rigid, load-sharing construct that is specifically designed for the distal femur's anatomy. The targeting jigs are precisely aligned with the nail’s geometry to ensure that screws are placed in the strongest part of the femoral condyles, maximizing pull-out strength. The reaming system is biomechanically optimized to create a canal that allows for an ideal "press-fit" between the nail and the femoral shaft, which is essential for maintaining anatomical length and rotation. By enabling the placement of locking screws in multiple planes (anteroposterior and mediolateral), the instruments help the nail resist the complex bending and torsional forces that occur at the distal femur during patient recovery.
The surgical technique begins with the patient in a supine position and the knee flexed. A retrograde entry point is established through the intercondylar notch using the set's specialized awl. A guide wire is advanced up the femur, and the medullary canal is prepared using the set’s flexible reamers in sequential increments. The DFN nail is then mounted to the retrograde inserter handle and advanced into the bone. The multi-planar targeting jig is attached to the handle, and specialized sleeves guide the drill bits through the condyles. The set’s depth gauge ensures accurate screw length selection, and the star-drive screwdrivers secure the locking hardware. The technique concludes with the placement of a distal end cap using the set's dedicated drivers to lock the construct.
Postoperative care for the instrument set involves a strict protocol of manual cleaning and high-temperature sterilization. After each procedure, all instruments must be disassembled; the cannulated drills and targeting sleeves require meticulous cleaning with specialized wire brushes and ultrasonic processing to remove all biological debris. All components are then sterilized in a steam autoclave at 134°C. For the hospital, it is essential to perform regular calibration checks on the radiolucent targeting jigs and to inspect the sharpness of the retrograde reaming tools. Proper maintenance of the DFN set ensures that its high-precision tolerances are preserved, guaranteeing surgical accuracy for future supracondylar and periprosthetic fracture cases.
The TOOLMED DFN Distal Femur Intramedullary Nail Instrument Set is an indispensable system for the treatment of distal femoral trauma. By providing the precision required for multi-planar retrograde locking and periprosthetic fixation, this system ensures that even the most challenging supracondylar fractures are stabilized with anatomical accuracy, leading to improved joint function and faster patient mobilization.
Yes, the DFN set is specifically designed for periprosthetic fractures. The specialized entry awls and trocars are engineered to pass through the box of most modern TKA femoral components for retrograde nail insertion.
The distal femur is very wide. Multi-planar locking allows screws to be placed in different angles (AP and ML), which captures more bone and provides significantly better stability than single-plane locking in supracondylar fractures.
While the handle is made of aircraft-grade aluminum for strength, the targeting arms are made of carbon fiber, which is 100% radiolucent, ensuring a clear X-ray view of the distal locking holes.
Yes, the set includes a dedicated extraction bolt and sliding hammer attachment designed to securely engage the distal end of the nail for removal once the fracture has healed.
The DFN inserter features a reinforced locking bolt that prevents any toggle between the nail and the jig. We recommend a "bench test" before insertion to verify that the drill bit passes perfectly through the jig and nail holes.
We offer fast and reliable global shipping. Standard lead times range from 7 to 15 working days, depending on order quantity and customization requirements. Express delivery options are also available upon request.
Yes, we ship to most countries worldwide. We work with trusted logistics partners to ensure timely and secure delivery.
We accept a variety of payment options, including T/T (bank transfer), L/C, and PayPal for smaller orders. Payment terms can be discussed based on order volume and partnership agreements.
Yes, samples are available for evaluation. Please contact our sales team to request product samples and shipping arrangements.
Absolutely. We offer OEM/ODM services including custom packaging, branding, and product development tailored to your specifications.
