Reaffirmed 2023

1. Scope

This standard covers the requirements of Howarth’s nasal raspatory.

2. References

The Indian Standards given below contain provisions which, through reference in this text constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of these standards.

IS No. Title

1501 (Part 1) : 2013 Metallic materials - Vickers hardness test: Part 1 Test method (fourth revision)

1570 (Part 5) : 1985Schedules for wrought steels: Part 5 Stainless and heat-resisting steels (second revision)

3642 (Part 1) : 1990 Surgical instruments - Specification: Part 1 Non - cutting, articulated instruments (second revision)

7531 : 1990 Surgical instruments - Corrosion resistance of stainless steel surgical instruments - Methods of tests (first revision)