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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Old Specifications Never Go Away. Differences between the two specifications are expected but are technically insignificant to the function of the specified connections.
As a suggestion to avoid making many drawing changes; a general Global Engineering Directive could be issued. I have seen this many times; and have even been guilty of the practice on occasion.
He assumes that if it was correct on the previous product; then it must be still accurate for this new product. This was done a few years ago with implementation slated for Because of that some product drawings, specifications and procedures reference specification numbers which are obsolete and which have been replaced by new numbers. Live Chat Powered by jivochat. Here is some sample text for this Global Engineering Directive: Sometimes the problem gets worse as the replacement specification becomes older.
ISO /1 and ISO /2 REPLACED BY ISO
The best move is to get militant about making the change; anytime the old specification number is referenced, change it. 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:. This expectation is clearly stated in the ISO Forward.
Ignorance is fixable with a little education. The person making this type of mistake just does not take the time to learn the correct information.
The new Reference Connector has a longer minimum length than the previous reference connector. Luer connections manufactured under either ISO or ISO are fully interchangeable and isk equivalent. This document gives the directive as to how these obsolete numbers will be translated for compliance to the most current specification.
The old specification number is copied to new products by ignorant people developing the new designs.
This data is provided for general information only. Top Gage Crib Worldwide, Inc. You can use gages specially designed for ISO Unfortunately this is impractical. Testing Procedures Immediately begin using test procedures according to those specified in ISO Inspecification ISO was published.
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: You have two choices: That ratification included a sunset provision that required review and re-ratification in to maintain 5594-1.
ISO gages and reference connectors are identical to ISO gages and reference connectors with a couple of exceptions.
It is expected that all existing ISO connectors will be understood to meet the requirements of ISOand that when testing or validation occurs; it is made using the requirements of ISO Gage Crib Worldwide, Inc. The intention is to provide accurate information; regardless; errors may exist in the supplied information.
If accuracy is critical, base your final decisions on the data provided in the root documents: Their effort resulted in a body of specifications under the umbrella of ISO The old specification number is called-out on drawings which stay in production for many years past when the specification was replaced; the drawing is not revised because of cost and other possible ramifications. The medical industry, agreeing with California that it was a good idea, set about designing patient side connectors which are non-interconnectable.
There are two obsolete specifications related to Luer connectors: This does not remove the fact that implementation of ISO should be done immediately. Non-Interconnectivity Begins The 5941 news of was that California legislated non-interconnectable couplings for patient side connections.