Information on the most widely used ASTM standards within the materials testing industry
Metal bone plate is an orthopedic implant made of titanium alloy, stainless steel and other materials, mainly used for internal fixation treatment of fractures in limbs, clavicles and other parts. Its structure includes locking plates, screws, and other components. It is designed in over 70 sub models such as straight and angled according to anatomical requirements, and uses non anodized or anodized surface treatment techniques. Some products have undergone irradiation sterilization treatment and should be stored away from light and moisture, and secondary use is prohibited.
ASTM F382 is a standard specification and testing method for metal bone plates. It provides a comprehensive framework for classifying, defining, and measuring the geometric and performance characteristics of these bone plates. This standard is crucial for establishing consistent methods and includes guidelines on material specifications, labeling, processing requirements, and mechanical performance testing.

ASTM F382 Test:
| 1, Test Method Single Circle Static Bend Test | This method measures the bending stiffness, structural stiffness, and bending strength of metal bone plates. It helps to determine the intrinsic structural characteristics of the board. The testing setup involves placing the bone plate sample in a fixture and applying gradually increasing loads until a specific displacement measurement value is recorded. |
| Testing procedure | Sample preparation: Prepare samples according to standard guidelines. Alignment: Place the bone plate into the testing fixture so that its long axis is perpendicular to the axis of the load roller. Apply load: Apply incremental load and record the displacement curve between the load and the load point. |
| 2, Bending fatigue testing | is a method used to evaluate the fatigue life of bone plates under cyclic loading conditions. It evaluates the performance of the board under repeated bending stress. |
| Testing procedure | Load determination: Determine the load level for fatigue testing. Sample alignment: Place the bone plate into the testing fixture to ensure correct alignment and contact with the drum. Cyclic loading: Apply cyclic loading at a certain frequency (standard 5 Hz) until the sample fractures or the number of cycles reaches the limit. Data recording: Record the maximum torque, number of cycles, failure mode, and failure location at the end of the test. |
Related Standard
ISO 9585 describes a test method for straight plates but may also be used for ones having a small initial curvature. The method is neither recommended for plates of a length less than 50 mm nor for those designed to be used with, or forming parts of, intramedullary devices.
The static and dynamic strength of the bone plates are determined in 3-point or 4-point bending tests, whereby the bending device consists of two fixed and parallel supports. The bone plate (1) is fixed or clamped on the specimen holder (2). A cyclic, sinusoidal load is applied to the implant via a punch (3) until the specimen breaks or until the maximum number of cycles is reached. Testing in a liquid bath (heated to body temperature) with Ringer's solution increases the physiological relevance of the test. Force and displacement signals i.e. the deflection of the sample- must be recorded during the test.
ASTM F382 is an authoritative American standard that specifies the geometric and performance characteristics of metallic bone plates used in orthopedic surgeries, and defines two core mechanical test methods (static and fatigue bending tests). It is of great significance for ensuring the safety and reliability of metallic bone plates, which are widely used to align and fix bone segments in orthopedic reconstructive surgeries.
The UTDS series Dynamic/Fatigue Testing machine used for bone needle, bending intramedullary nail fatigue test is mainly used for biomechanical performance testing of various materials, including artificial blood vessels, soft tissues, bones, bone plates, and vertebrae Interfusion device, knee joint, spine Dynamic and static mechanical tests on materials such as column fixators, metal coatings, hip joints, and intramedullary nails, including tension, compression, bending, and torsion.
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