English
 |
The Elastic Nail system, often referred to as Titanium Elastic Nailing (TEN) or ESIN, is a specialized and minimally invasive intramedullary fixation technique for treating fractures in children and adolescents. It involves the insertion of two flexible titanium nails into the medullary canal from opposite ends of the bone. This unique approach creates a stable, load-sharing construct that provides excellent fracture stability while preserving the bone's growth plates. By accommodating controlled micromotion at the fracture site, the system promotes callus formation and rapid bone healing.
Elastic Nail
TOOLMED
Product Description
The nails are made from a superelastic titanium alloy, allowing them to bend and conform to the bone's medullary canal while providing stable internal fixation.
The dual-nail system creates a stable, three-point-bend construct that shares physiological loads with the bone, which promotes callus formation and natural healing.
The nails are inserted through small incisions and typically do not require reaming of the medullary canal, which minimizes surgical trauma and blood loss.
The technique is designed to avoid crossing the bone's growth plate (physis), which is critical for preventing growth disturbances in pediatric patients.
Crafted from a high-quality titanium alloy, the implants offer superior strength, biocompatibility, and fatigue resistance for reliable, temporary fixation.
The Elastic Nail system is primarily indicated for the stable fixation of a wide variety of pediatric long bone fractures, including fractures of the femoral shaft, tibial shaft, and forearm (radius and ulna).
It is used for treating simple transverse, oblique, and spiral fractures, as well as some comminuted fractures where a stable construct can be achieved.
The technique is suitable for fractures where early patient mobilization and weight-bearing are desired, as the stable fixation can support these activities.
（插入产品图片-组图形式）
（插入产品规格的列表）
（插入产品实拍图，多角度实拍，3-5张，做成组图）
The Elastic Nail system, also known as Elastic Stable Intramedullary Nailing (ESIN), is a specialized orthopedic technique used primarily for the fixation of pediatric long bone fractures. Unlike rigid adult nails, this system uses two thin, flexible titanium nails that are inserted into the bone's medullary canal from opposite ends. The nails are pre-bent to create a stable, spring-like construct that provides internal fixation while allowing for controlled micromotion at the fracture site, which is crucial for promoting rapid and natural bone healing in children.
The primary application of the Elastic Nail is for the fixation of diaphyseal fractures of the femur and tibia in children and adolescents. It is also widely used for fractures of the radius and ulna, where it provides a stable and minimally invasive alternative to plating.
The technique is a preferred method for treating fractures in skeletally immature patients because it is designed to avoid the growth plates (physes), thereby minimizing the risk of growth arrest or deformity.
Its versatility allows it to be used for a broad range of fracture patterns, including transverse, oblique, spiral, and comminuted fractures, as long as a stable three-point fixation can be achieved.
The Elastic Nail system offers several key advantages for pediatric fracture treatment. The minimally invasive surgical technique results in small incisions, reduced soft tissue damage, and less blood loss. This leads to less postoperative pain and a faster recovery for the young patient.
The flexible nature of the nails allows them to share the load with the bone. This physiological loading at the fracture site stimulates the formation of a robust callus, which is essential for rapid healing. The stability provided by the construct often allows for early weight-bearing or functional use of the limb.
Most importantly, the technique's ability to avoid the growth plates preserves the bone's future growth potential, which is a critical consideration in pediatric orthopedic surgery. The nails are also typically easier to remove once the fracture has healed, requiring a less extensive second procedure.
The biomechanics of the Elastic Nail system are based on the principle of a three-point-bend. When two flexible nails are inserted in opposite directions, they create a spring-like force that resists bending, shortening, and rotation of the fracture fragments. The load-sharing property of the construct means that the nails do not rigidly fix the fracture but rather work with the bone to support physiological loads. This controlled flexibility allows for a small amount of axial micromotion at the fracture site, which is a powerful biological stimulus for the formation of a strong, healthy bone callus.
The implantation of Elastic Nails is a percutaneous and minimally invasive procedure. Two small incisions are made near the proximal or distal ends of the fractured bone. The two flexible nails are then inserted into the medullary canal from opposite directions, crossing the fracture site. Using fluoroscopy, the surgeon bends the nails to fit the canal and ensures they create the desired three-point-bend construct. The ends of the nails are then cut just below the skin, and the small incisions are closed. The procedure is typically performed without the need for reaming, which further reduces surgical trauma.
Following the implantation of Elastic Nails, postoperative care typically involves immediate or early mobilization. In lower limb fractures, patients are often able to begin partial weight-bearing within the first few days, with the goal of progressing to full weight-bearing as tolerated. Physical therapy is recommended to restore full range of motion. Unlike with plates or screws, the nails are usually removed once the fracture is fully healed, which typically occurs within 6-12 months. The removal procedure is also minimally invasive, performed through the original incisions.
The Elastic Nail system is an elegant and effective solution for the treatment of pediatric long bone fractures. Its unique design, which combines flexibility with stable internal fixation, provides surgeons with a powerful tool for promoting rapid bone healing while preserving the bone's growth potential. By enabling a minimally invasive surgical approach and encouraging early patient mobility, the Elastic Nail system leads to excellent clinical outcomes and a faster, more comfortable recovery for young patients.
Elastic Nails are smaller in diameter and flexible, designed to be inserted as a pair to create a stable, load-sharing construct. They are used primarily in children, while rigid nails are larger, stiffer, and used for adults to provide rigid fixation.
The flexibility allows the nails to conform to the natural curvature of the bone and create a three-point-bend. This provides stable fixation while also allowing for controlled micromotion at the fracture site, which stimulates bone healing.
Yes, Elastic Nails are typically removed once the fracture has fully healed, usually within 6-12 months. The removal procedure is a minor, minimally invasive surgery.
Elastic Nails are primarily indicated for pediatric patients. Adult bones are larger and require a more rigid fixation system to support their higher body weight and activity levels.
The surgical technique for inserting Elastic Nails is specifically designed to avoid the bone's growth plates (physes), which is a key advantage for preventing future growth disturbances in children.
