Implants for osteosynthesis. Bone screws and auxiliary equipment Specification for screws having symmetrical and asymmetrical thread and conical undersurfaces

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-05-1993

Publisher

British Standards Institution

Committees responsible
National foreword
Specification
0 Introduction
1 Scope and field of application
2 Reference
3 Code for screw thread
4 Dimensions and tolerances
5 Marking and packaging
Annexes
A Interrelationship of International Standard dealing
   with bone screws, bone plates and relevant tools
B Bibliography: International Standards referred to in
   table of annex A
Tables
1 Dimensions of screw with single-slot recess
2 Dimensions of screw with cruciate recess
3 Dimensions of symmetrical thread HC
4 Dimensions of screw with cross-recessed head
5 Dimensions of asymmetrical thread HD
6 Dimensions of cross-recessed drive connection
Figures
1 Screw with single-slot recess
2 Screw with cruciate recess
3 Screwhead with combined cruciate-slot and cross-
   recessed drive connection
4 Illustration of HC thread form
5 Screw with cross-recessed head
6 Asymmetrical thread HD
7 Cross-recessed drive connection

Dimensions and tolerances for bone screws of nominal sizes 4,5 mm, 4,2 mm, 4,0 mm, 3,9 mm, 3,5 mm and 2,9 mm.

This International Standard specifies the dimensions and tolerances of metal bone screws with conical under-surface of the head used in surgery.

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

Committee	CH/150/5
DevelopmentNote	Also numbered as ISO 9268 Supersedes 87/50451 DC, BS 3531-5(1982) and BS 3531-5.4(1990) (07/2005)
DocumentType	Standard
Pages	18
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 3531-5-5.4:1990

ISO 9268:1988	Implants for surgery — Metal bone screws with conical under-surface of head — Dimensions
ISO 5836:1988	Implants for surgery Metal bone plates Holes corresponding to screws with asymmetrical thread and spherical under-surface
ISO 9714-1:2012	Orthopaedic drilling instruments — Part 1: Drill bits, taps and countersink cutters
ISO 9269:1988	Implants for surgery — Metal bone plates — Holes and slots corresponding to screws with conical under-surface
ISO 9585:1990	Implants for surgery — Determination of bending strength and stiffness of bone plates
ISO 5835:1991	Implants for surgery Metal bone screws with hexagonal drive connection, spherical under-surface of head, asymmetrical thread Dimensions
ISO 6475:1989	Implants for surgery Metal bone screws with asymmetrical thread and spherical under-surface Mechanical requirements and test methods
BS 7254-1:1990	Orthopaedic implants Specification for marking, packaging and labelling
ISO 8319-2:1986	Orthopaedic instruments — Drive connections — Part 2: Screwdrivers for single slot head screws, screws with cruciate slot and cross-recessed head screws
ISO 8319-1:1996	Orthopaedic instruments — Drive connections — Part 1: Keys for use with screws with hexagon socket heads

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BS 3531-5.4:1993

Implants for osteosynthesis. Bone screws and auxiliary equipment Specification for screws having symmetrical and asymmetrical thread and conical undersurfaces

Table of Contents

Abstract

Scope

General Product Information

Standards Referencing This Book

Category

Subcategory