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The Distal Ulnar Locking Plate is a high-precision internal fixation device engineered for fractures of the distal ulna, including the ulnar head and neck. Fixation in this area is critical for restoring the stability of the Distal Radioulnar Joint (DRUJ) and maintaining normal forearm rotation. Due to the small size and complex shape of the ulnar head, this plate features a pre-contoured, low-profile design that fits the bone while minimizing irritation to surrounding tendons and ligaments. Constructed from medical-grade Titanium Alloy (Ti6Al4V ELI), the plate utilizes Locking Technology with a specialized screw cluster in the head to achieve superior fixation in small bone fragments. The TOOLMED Distal Ulnar Plate provides necessary stability to complex fractures, ensuring accurate anatomical reduction for early return to functional wrist and forearm motion.
3303-0301
TA3
1 Pcs
5-15 Days
/
Product Description
The plate head is meticulously shaped to buttress the small, often comminuted, bone fragments of the ulnar head, providing direct support for the articular surface.
Locking screw technology provides a rigid, fixed-angle construct that is essential for achieving and maintaining reduction in the small bone stock of the distal ulna.
Engineered to sit flush on the bone, minimizing soft tissue irritation, which is crucial in the distal ulna where the bone is highly subcutaneous.
The shaft incorporates combination holes, allowing surgeons to use non-locking screws for fragment compression or locking screws for fixed-angle stabilization.
Primary indication for displaced or unstable fractures of the distal ulna neck and head, particularly when associated with instability of the DRUJ.
Used in conjunction with radius fixation to restore the correct length and rotation of the ulna, which is vital for overall forearm function.
Indicated for complex fractures extending into the ulnar styloid process, often associated with Triangular Fibrocartilage Complex (TFCC) injury.
| Product Name | Distal Ulnar Locking Plate |
| Material | TA3 |
| 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 | 5-15 Days |
| Shipping | DHL EMS UPS TNT FEDEX |
The Distal Ulnar Locking Plate is a specialized titanium plate used to fix fractures at the wrist end of the smaller forearm bone (ulna). This area, particularly the ulnar head, is critical for the smooth rotation of the forearm (pronation and supination). This low-profile plate secures the small bone pieces, ensuring the ulna maintains its correct length and alignment relative to the radius.
This plate is used when fractures of the distal ulna are displaced, unstable, or associated with a radius fracture (both-bone forearm fracture). Its main goal is to restore the integrity of the Distal Radioulnar Joint (DRUJ), which is crucial for normal wrist function and preventing long-term pain and instability.
The core advantage is stability in the ulnar head. Because the ulnar head is small, fixation is difficult. The locking screws create a fixed-angle "scaffolding" in this limited bone stock, providing a strong hold that is not possible with older tension-band or pin techniques. The low profile is also vital to reduce irritation since the ulna lies right under the skin.
Biomechanically, the plate restores the ulnar column length and rotation. If the ulna is too short or rotates incorrectly, wrist stability is compromised. The plate acts as a rigid template to hold the bone fragments at the correct length and prevents rotation, creating a stable environment necessary for the healing of bone and the surrounding soft tissues (like the TFCC).
The surgery is performed through an incision along the dorsal-ulnar side of the wrist. The fragments of the ulnar head/neck are meticulously aligned. The pre-contoured plate is positioned, and locking screws are inserted, often in diverging patterns in the head to maximize purchase. Care is taken to avoid impingement on the wrist tendons.
The rigid locking fixation permits early range of motion, with specific emphasis on restoring forearm rotation (pronation/supination), as stability is now provided by the plate. Immobilization is kept brief to minimize the risk of chronic joint stiffness.
The Distal Ulnar Locking Plate is a precision implant critical for treating complex wrist and forearm trauma. By ensuring rigid, low-profile fixation of the distal ulna, it restores anatomical integrity to the DRUJ, paving the way for full functional recovery and stable forearm rotation.
The ulna is very subcutaneous. While the plate is designed to be ultra-low profile, some patients may be able to feel the outline of the implant. If it causes irritation, it may be removed after the bone has fully healed.
The plate stabilizes the bony architecture (the ulna head and neck). If the bone is stable and at the correct length, the tension on the surrounding ligaments (like the TFCC) is normalized, which is the key to DRUJ stability.
Yes, the plate features combination holes that allow the surgeon to use standard cortical (non-locking) screws for necessary compression of simple fractures before locking the assembly for fixed-angle stability.
The cluster allows multiple small screws to grasp the tiny, fragmented pieces of the ulnar head. This prevents the pieces from shifting, which is essential for restoring the smooth joint surface.
Yes. As a pure titanium alloy implant (Ti6Al4V ELI), it is non-ferromagnetic and safe for Magnetic Resonance Imaging (MRI) scans.
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