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BSI BS 3531-5.6:1991

Implants for osteosynthesis. Bone screws and auxiliary equipment -- Specification for the mechanical requirements and test methods for screws having asymmetrical thread and spherical undersurface
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BSI BS 3531-5.6:1991

Implants for osteosynthesis. Bone screws and auxiliary equipment -- Specification for the mechanical requirements and test methods for screws having asymmetrical thread and spherical undersurface

PUBLISH DATE 1991
PAGES 12
BSI BS 3531-5.6:1991

This International Standard specifies the test methods for determining breaking torque and angle of rotation at failure for metal bone screws for surgery.

Mechanical requirements for bone screws are specified in Annex A.

NOTE 1: At present data are only available for bone screws with dimensions according to ISO 5835 and made from stainless steel according to ISO 5832-1.

If data become available for bone screws made from other materials and/or with other standardized dimensions, they will be added in further annexes.

NOTE 2: The interrelationship of International Standards dealing with bone plates, bone screws and relevant tools is shown for information in Annex B.

For breaking torque and angle rotation at failure for metal bone screws used in surgery, specified in BS 3531-5.3:

The standard outlines precise testing methods to determine the mechanical properties of these screws under stress. These tests ensure that the screws can withstand the necessary forces during surgical application without failure.

Key focus is on the breaking torque, which refers to the maximum torque the screw can endure before breaking, and the angle rotation at failure, which measures the degree of twist the screw experiences before failure occurs.

SDO BSI: British Standards Institution
Document Number 3531-5.6
Publication Date Aug. 30, 1991
Language en - English
Page Count
Revision Level
Supercedes
Committee CH/150/5
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