The Metacarpal T Locking Plate features advanced threaded polyaxial locking holes that create a secure plate–screw–bone construct for stable angular fixation.
Compared with conventional compression plates, which may require more extensive soft-tissue and periosteal dissection, the polyaxial locking system is designed to support a more minimally invasive fixation approach while maintaining stable fixation.
Each locking hole incorporates four internal threaded sections, allowing up to 15° of screw angulation in all directions relative to the hole axis. This enables surgeons to select an appropriate screw trajectory according to the fracture pattern and available cortical bone, providing greater flexibility during fixation.
The plate features an anatomically contoured, low-profile body with rounded edges and a highly polished surface, helping to minimize soft-tissue irritation.
The locking screws, including Type II and cannulated Type III screws, feature threaded spherical heads that engage securely with the polyaxial locking holes. Once fully inserted, the screw forms a stable angular fixation interface with the plate.
For optimized fixation in smaller bone structures, Φ1.5 mm and Φ2.0 mm screws feature shallow threads designed to improve bone purchase.
All components are manufactured from TA3G commercially pure titanium or TC4 titanium alloy, providing a combination of biocompatibility, mechanical strength, and fatigue resistance.
The ball-threaded screw head design is compatible with polyaxial locking and compression holes, providing a secure screw-to-plate connection.
The polyaxial locking holes allow up to 15° of screw angulation in all directions from the hole axis, providing flexibility for screw placement according to individual fracture anatomy.
Sharp self-tapping screw tips facilitate insertion and improve engagement with the bone during fixation.
The colored anodized surface treatment enhances implant visibility and provides additional corrosion resistance.
The plate is anatomically contoured for the intended fixation site and features a low-profile body, rounded edges, and a highly polished surface to help minimize soft-tissue irritation.
The interrupted thread design helps reduce the potential for cold welding at the threaded junctions between the screw and locking hole.
Screws can be inserted at optimized angles to accommodate anatomical variation and different fracture configurations.
The rigid locking interface between the plate and screws provides a stable mechanical construct for fracture fixation.
The 15° polyaxial screw angulation provides greater flexibility for fixation of complex fracture patterns and allows screw trajectories to be adapted to the available bone.
Screws can be reinserted when necessary, providing additional flexibility during intraoperative fixation.
Two screws positioned at key fixation sites can provide additional anti-rotational stability for fracture fragments.
The system achieves polyaxial locking without requiring additional components such as bushings, helping to simplify the fixation workflow.
The plate shape is designed according to the anatomical structure of the intended fixation site, helping to minimize soft-tissue disruption.
The Metacarpal T Locking Plate is intended for internal fixation of:
| Model Number | Specification (mm) | Compatible Screws |
|---|---|---|
| 4034012 | 6 Holes × 36 | 1.5 mm Polyaxial Locking Screw |
| 6 Holes × 44 | 2.0 mm Polyaxial Locking Screw |
