Disclosure to Promote the Right To Information

Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public.

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“Invent a New India Using Knowledge”

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“Step Out From the Old to the New”

“जान1 का अ+धकार, जी1 का अ+धकार”Mazdoor Kisan Shakti Sangathan

“The Right to Information, The Right to Live”

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है”ह”ह

IS 14895 (2000): Ophthalmic Instruments - Spuds, ForeignBody - Waltons Sizes 1 and 1.5 mm Wide, Stainless Steel[MHD 5: Ophthalmic Instruments and Appliances]

IS 14895:2000

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Indian Standard

OPHTHALMIC INSTRUMENTS — SPUDS, FOREIGNBODY — W#iLTONS SIZES 1 AND 1.5 mm WIDE,

STAINLESS STEEL — SPECIFICATION

Ics 11.040.70

~ BIS 2000

BUREAU OF INDIAN STANDARDSMANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

-

Price Group 1

Ophthalmic Instruments and Appliances Sectional Committee, MHD 5

FOREWORD

This Indian Standard was adopted by the Bureau of Indian Standards, after the draft finalized by theOphthalmic Instruments and Appliances Sectional Committee had been approved by the Medical Equipmentand Hospital Planning Division Council,

Giving due care to the quality aspccls of ophthalmic instruments, it was decided to prepare standard for——_

staildcss steel spuds, Waltons sizes 1 and 1,5 mm wide for removal of foreign body from cornea. It is expectedthat the standard will be of help to ophthalmologists, users and manufacturers in maintaining the quality ofthe insmumcnts manufactured in the country.

There is no ISO/IEC standard on the subject. This standard has been prepared based on indigenousmanufacturers data/practices prcvalen[ in the field in India.

For tllc purpose of deciding whether a particular requirement of this standard is complied with, the final

value, observed or calculated. expressing the result of a test or analysis, shall be rounded off in accordancewill] 1S 2 : 1960 ‘Rules for roundil)g oIY numerical values (revised)’. The number of significant placesretained ill the rounded off value should be the same as that of the specified value in this standard.

IS 14895:2000

Indian Standard

OPHTHALMIC INSTRUMENTS — SPUDS, FOREIGNBODY — WALTONS SIZES 1 AND 1.5 mm WIDE,

STAINLESS STEEL — SPECIFICATION

1 SCOPE

1.1 This standard covers the dimensional and otherrequirements for stainless steel spuds, Waltons sizes1 and 1.5 mm wide, used by ophthalmologists forremoval of foreign bodies from cornea.

2 REFERENCES

2.1 The following standards contain provisions which,through reference in this test, constitute provision ofthis standard. At the time of publication, the editionsindicated were valid. All standards are subject torevision, and parties to agreements based on this

standard are encouraged to investigate the possibilityof applying the most recent editions of the standardsindicated below:

1,S No,

2102 (Part 1) : 1993

3318 : 1965

7.531 : 1990

ntlt?

General to]eranccs: Part 1 Tole-rances for !incar and angulardimensions wi[hout individual

lolerancc Indications ([birdKw;storr)

Genera] requirements forsurgical scalpels and knives

Surgical instruments — Corro-sion resistance of stainless steel

surgical instruments —Methods Of ~csts ( Jbw KWiSf072)

3 SHAPE AND DIMENSIONS

3.1 Shape and dimensions of spuds. foreign body —Wal[ons sizes 1 and 1.5 mm wide, stainless steel areas shown in Fig. 1.

3.1.1 The tohmanccs on dimensions shall conform toline class of deviation of IS 2102 (Part 1) except thattolerance on length shall be f 2.5 percent.

4 MATERIAL

4.1 Blade

4.1.1 The blade shall be made of stainless steel

conforllling to 2.4 of 1S 3318.

&2 Handle

4.2.1 The handle shall be made of stainless steelconforming to 2.5 of IS 3318.

5 WORKMANSHIP AND FINISH

5.1 The surface shall be smooth and free from alldefects like burrs, pits, cracks, feather nicks, etc.

5.2 The edges shall be even and except around thebevelled tip of the blade shall be rounded off. Theedge around the tip shalI bc semi shmp.

5.3 The handle shall be finished smooth.

6 HEAT TREATMENT

6.1 The blade of the knife shall be uniformly hardenedand tempered to give 700 to 750 HV.

7 TESTS

7.1 Rigidity Test

7.1.1 The handle of the spud shall be gripped in avice so that the junction of the blade with the handleis level with the vice jaws. Follo}ving requirementsshall be complied with:

a)

b)

by ~hc application of a force to the tip, theblade shall be deflected in a directionperpendicular to the plane of the blade by3 mm. On release of the force the blade shallnot have taken on a permanent set.

the handle fixed in the vice in the horizontalplane a load of 1 kg shall bc suspended fromthe blade at a distance of 13 mm from its tip.On completion of the test, the spud shall showno sign of damage.

7.2 Corrosion Resistance Test

7.2.1 The spud shall conform to the requirements ofcorrosion resistance test specified in IS 7531.

8 MARKING

8.1 Each spud shall be legibly and indelibly stampedwith the manufacturer’s name or irade-mark.

8.2 The spud may also be marked with the StandardMark.

8.2.1 The use of the Standard Mark is governed by

[he previsions of the Bureau o~lmiian Sfamiards A cf,1986 and the Rules and Regulations made thereunder.The details of conditions under which the licence for

the use of Standard Mark may be granted to manu-facturers or producers, may be obtained from the

1

Is 14895:2000

Bureau of Indian Standards.

9 PRESERVATION AND PACKING

9.1 The blades of the spuds shall be coated with a

-ft-

01.5 ~1.61—

thin layer of rust preventing solution. Packing shallbe as agreed to between the supplier and the purhcaser.

0.75

0.1 f7.5

I

< RO.4

I

25 35 2,5A

- — .. .—.. . .—. — -—-. -.—-—- -—

7,5 1 4.5 A–~% A–A 2,

.7 B 0.9—

+–- -—- —.— -—- —-— -—- —- —-— -— @l.~r?B$

BB-B

.. ___

All dimensions in millimetres.

FIG. 1 SPUD,EYE

2

Bureau of Indian Standards

BIS is a statutory institution established under the Bureau of Indian Standards Act, 1986 to promote

harmonious development of the activities of stardardization, marking and quality certification of goods and

attending to connected matters in the country.

Copyright

BIS has the copyright of all its publications. No part of these publications maybe reproduced in any formwithout the prior permission in writing of BIS. This does not preclude the free use, in the course ofimplementing the standard, of necessary details, such as symbols and sizes, type or grade designations.Enquiries relating to copyright be addressed to the Director (Publication), BIS

Review of Indian Standards

Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewedperiodically; a standard along with amendments is reaffirmed when such review indicates that no changes areneeded; if the review indicates that changes are needed, it is taken up for revision. Users of Indian Standardsshould ascertain that they are in possession of the latest amendments or edition by referring to the latest issueof ‘BIS Handbook’ and’ Standards: Monthly Additions’.

This Indian Standard has been developed from Dot: No. MI-ID5 (2605).

Amendments Issued Since Publication

AmendNo. Date of Issue Text Affected

BUREAU OF INDIAN STANDARDSHeadquarters:

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Regional Offices: Telephone

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3237617,3233841

{3378499,33785613378626,3379120

{

603843602025

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{8329295,83278588327891,8327892

—.. _

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