Smithers Pira tests conical (Luer) fittings to ISO , assessing their characteristics and functional performance against the requirements set out in the . 15 Mar IS0 , published by Technical Committee 84 ‘Syringes for medical use and International Organization for Standardization (ISO). 17 Apr ISO /1 specifies the general requirements of conical fittings with a 6% (Luer) taper for syringes, needles and certain other medical equipment. ISO /2.
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Differences between the two specifications are expected but are technically insignificant to the function of the specified connections. Inspecification ISO was published.
You can use gages specially designed for ISO Unfortunately this is impractical. The isi specification number is copied to new products by ignorant people developing the new designs. You have two choices: The intention is to provide accurate information; regardless; errors may exist in the supplied information. Testing Procedures Immediately begin using test procedures according to those specified in ISO He assumes that is it was correct on the previous product; then it must be still accurate for this new product.
How do we make our life easier when specification numbers change? This expectation is clearly stated in the ISO Forward. Top Gage Crib Worldwide, Inc. ISO gages and reference connectors are identical to ISO gages and reference connectors with a couple of exceptions. This was done a few years ago with implementation slated for The old specification number is called-out on drawings which stay in production for many years past when the specification 594- replaced; the drawing is not revised because of cost and other possible ramifications.
The Luer Connection has had specification number changes over the years. Live Chat Powered by jivochat.
Luer connections manufactured under either ISO or ISO are fully interchangeable and technically equivalent. There are two obsolete specifications related to Luer connectors: Old Specifications Never Go Away. This was essentially a clerical change so that the Needle and Syringe Luer Connectors could be included under the Small-Bore Connector collection of specifications: This page focuses on ISO The best move is to get militant about making the change; anytime the old specification number is referenced, change it.
The medical industry, agreeing with California that it was a good idea, set about designing patient side connectors which are non-interconnectable.
Ignorance is fixable with a little education. I have seen this many times; and have even been guilty of the practice on occasion. In essence; this is mostly just a clerical change of the specification number. People get persistent because: Sometimes the problem gets worse as the replacement specification becomes older.
This does not mean that gages are forbidden, or not useful, this just means that ISO does not define a gage.
Here is some sample text for this Global Engineering Directive: Non-Interconnectivity Begins The big news of was that California legislated non-interconnectable couplings for patient side connections. The person making this type of mistake just does not take the time to learn the correct information.
If accuracy is critical, base your final decisions on the data provided in the root documents: Gage Crib Worldwide, Inc.
ISO /1 and ISO /2 REPLACED BY ISO
This document gives the directive as to how these obsolete numbers will be translated for compliance to the most current specification. This does not remove the fact that implementation of ISO should be done immediately. As a suggestion to avoid making many drawing changes; a general Global Engineering Directive could be issued.
That ratification included a sunset provision that required review and re-ratification in to maintain validity.