IS 9829 : Part 1 : 1996/ISO 5835 : 1991 Implants for surgery - Metal bone screws Part 1 With hexagonal drive connection spherical under surface of head, asymmetrical thread - Dimensions

National Foreword

This Indian Standard (Part 1) which is identical with ISO 5835 : 1991`Implants for surgery - Metal bone screws with hexagonal drive connection,spherical under-surface of head, asymmetrical thread-Dimensions', issued by theInternational Organization for Standardization (ISO) was adopted by the Bureauof Indian Standards on the recommendations of Orthopqaedic Instruments andAccessories Sectional Committee and approval of Medical Equipments and HospitalPlanning Division Council.

This Standard was first published in four parts and was based on thecorresponding parts of ISO 5835. Part 1 and Part 2 of ISO 5835 have since beenrevised, merged and published as ISO 5835 : 1991. Part 3 and Part 4 of ISO 5835have also been revised and superseded by ISO 9268 : 1988 `Implants for surgery -Metal bone screws with conical under-surface of head - Dimensions'. It has beentherefore, decided to revise the earlier Part 1 and Part 2 of this standard inline with the latest ISO 5835 : 1991 by adopting it as a dual number standard tobe published as Part 1 of this standard. Part 3 and Part 4 of this standard arealso being revised and merged in line with the ISO 9268 : 1988 and beingpublished as Part 2 of this standard.

Consequent upon the above mergers, Part 3 and Part 4 of this Indian Standardstand withdrawn.