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The Ulna & Radius Locking Plate system is a specialized set of orthopedic implants engineered for the stable internal fixation of fractures of the forearm. Due to the complex rotational mechanics of the forearm, maintaining the precise alignment of both the ulna and radius is critical for restoring function. These plates are anatomically contoured to fit the unique curvature of each bone, providing a low-profile and precise fit. Utilizing locking screw technology, the plates create a fixed-angle construct that provides superior stability, which is essential for resisting the bending and torsional forces common in forearm fractures.
Ulna & Radius Locking Plate
TOOLMED
Product Description
The plates are specifically designed to match the complex anatomical shape of the ulna and radius, which simplifies surgical placement and ensures a low-profile fit that minimizes soft tissue irritation.
The locking screw-to-plate interface creates a fixed-angle construct, which provides superior stability and is particularly beneficial in osteoporotic bone or comminuted fractures.
The plate’s low-profile and narrow design minimizes irritation to the surrounding muscles and tendons, reducing patient discomfort and the potential for hardware prominence.
The combination holes in the plate allow for both locking and standard non-locking screws, giving surgeons the flexibility to use techniques like compression for simple fractures or bridging for comminuted fractures.
Crafted from a high-quality titanium alloy, the implants offer exceptional strength, biocompatibility, and fatigue resistance for reliable, long-term fixation.
The Ulna & Radius Locking Plate system is primarily indicated for the stable fixation of fractures of the ulna and/or radius, including "both-bone" forearm fractures.
It is an ideal solution for complex fracture-dislocations like Monteggia fractures (ulna fracture with radial head dislocation) and Galeazzi fractures (radius fracture with distal radioulnar joint dislocation).
The implants are also suitable for the treatment of non-unions and malunions (improperly healed fractures) of the ulna and radius, providing the necessary stability for corrective procedures.
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The Ulna & Radius Locking Plate system is a set of specialized orthopedic implants for the internal fixation of forearm fractures. The forearm's ability to rotate (pronation and supination) is dependent on the precise relationship between the ulna and radius. Therefore, a successful fixation must not only restore length and alignment but also the rotational axis. These anatomically contoured plates, with their advanced locking screw technology, provide the rigid stability required to achieve this goal, making them a cornerstone for treating a wide variety of forearm fractures.
The primary application of the Ulna & Radius Locking Plate is for the fixation of fractures of the ulna, radius, or both. These plates are a standard treatment for "both-bone forearm fractures," where both the ulna and radius are broken. They are also essential for treating complex fracture-dislocations like Monteggia and Galeazzi fractures, where the locking plates provide the stability needed to reduce the associated joint dislocation. The plates' ability to provide rigid fixation makes them ideal for treating non-unions and malunions of the forearm, restoring the length and alignment needed for proper function.
The Ulna & Radius Locking Plate system offers several key advantages for forearm fracture fixation. The anatomical plates simplify the surgical procedure and provide a low-profile fit that reduces soft tissue irritation. The fixed-angle stability provided by the locking screws is particularly beneficial, as it resists the high torsional and bending forces that act on the forearm. This enhanced stability often allows for early, protected range of motion, which is crucial for preventing joint stiffness and restoring pronation and supination. This leads to a faster recovery and better overall patient outcomes.
The biomechanics of the Ulna & Radius Locking Plate are centered on creating a rigid, load-bearing construct that restores the complex anatomy and function of the forearm. By providing a fixed-angle "bridge" over the fracture site, the plates resist axial shortening, bending, and torsional forces. Unlike traditional plates that require compression against the bone for stability, the locking system’s strength is independent of bone quality. This is crucial for maintaining the precise interosseous space and rotational alignment between the ulna and radius, which is essential for forearm function. The rigid fixation allows for early mobilization, which is a key stimulus for bone healing.
The implantation of the Ulna & Radius Locking Plate is a precise surgical procedure. Separate incisions are made for the ulna and radius. The surgeon carefully reduces the fracture and places the anatomically contoured plate on the bone surface. A dedicated targeting guide is used to drill and place the locking screws at the correct angles. The screws are then threaded into the plate, creating the rigid fixed-angle construct. In cases of both-bone fractures, both the ulna and radius must be plated to restore stability and maintain the proper interosseous space, which is critical for restoring pronation and supination.
Following a successful Ulna & Radius Locking Plate fixation, a structured postoperative care plan is initiated. Due to the high stability of the fixed-angle construct, patients are often able to begin early, protected range of motion exercises of the wrist and elbow. Physical therapy is a crucial component of recovery, focusing on regaining full pronation and supination. Regular clinical and radiographic follow-up appointments are essential to monitor fracture healing and ensure the implant remains stable throughout the recovery process, contributing to a high rate of successful union and restored function.
The Ulna & Radius Locking Plate system is a highly effective and reliable solution for the treatment of forearm fractures. Its innovative design, which combines anatomical plates with advanced locking technology, provides surgeons with a powerful tool for achieving stable, customized fixation. By promoting high stability, preserving bone blood supply, and facilitating early patient mobility, the Ulna & Radius Locking Plate leads to excellent clinical outcomes, a faster recovery, and an improved quality of life for the patient.
The ulna and radius work together to allow for the complex rotational movements of the forearm. If only one bone is plated, the other can shorten or rotate, leading to malunion and a loss of function. Plating both bones is crucial to restore and maintain the proper length, alignment, and rotational axis.
The locking plate provides a fixed-angle construct that is incredibly rigid and resistant to the high torsional and bending forces that act on the forearm. This enhanced stability allows for early motion, reduces the risk of implant failure, and is particularly beneficial in comminuted or osteoporotic fractures.
A Monteggia fracture is a fracture of the ulna associated with a dislocation of the radial head. A Galeazzi fracture is a fracture of the radius associated with a dislocation of the distal radioulnar joint. Both require plating to restore the anatomical relationship between the two bones.
The plates are designed to be a permanent implant. However, they can be removed once the fracture has fully healed if the patient experiences pain or irritation from the hardware.
With stable fixation from the locking plates, patients can often begin early range of motion exercises. Full healing typically takes 3-6 months, and physical therapy is essential to regain strength and function.
