Fitbone™ Femur Retrograde
Fitbone™ Femur Retrograde is a fully internal limb lengthening system inserted through the distal femur at the knee joint. It offers a motorized, remote-controlled solution without any external hardware. This method is typically preferred when proximal access is limited or not feasible due to previous surgeries, anatomical constraints, or surgeon preference.
System Components
– Intramedullary Lengthening Nail
– Implanted Receiver Unit
– External Remote Controller (ERC)
– Connection Cable
– Fixation Screws & Locking Bolts
– Sterile Packaging for Operating Room Use

Technical Specifications
Nail Diameter: Ø9 mm, Ø11 mm, and Ø13 mm
Length Options: 200 mm, 205 mm, 220 mm, 225 mm, and 245 mm
Lengthening Capacity: 40 mm, 60 mm, or 80 mm
Max Total Length After Distraction: Up to 325 mm
Material: High-grade surgical stainless steel
Method: Electromagnetic, fully remote-controlled system
Indication: Designed for retrograde femoral insertion through the knee, suitable for limb lengthening or post-traumatic reconstruction
Why Choose Fitbone™
Discover the core advantages and clinical use cases that make Fitbone a trusted solution in internal limb lengthening.
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Common Indications
– Limb length discrepancy
– Cosmetic height increase
– Post-traumatic bone reconstruction
– Congenital deformities
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Key Benefits
– Fully internal and minimally invasive
– Remote-controlled precision
– German-engineered reliability
– Improved patient comfort
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Complete System Delivery
– Complete Implant Kits
– Pre-Surgery Planning Support
– Intraoperative Technical Assistance
– Training and Documentation
Need Specs or Support?
Let’s talk. Whether you’re a medical professional or clinical buyer, we’ll provide the technical documentation and support you need to move forward.
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