definiens: Directed to HeY " means that the claim or technology in question isdirected to methods, compositions, reagents or .kits speciflCS11y'for use in nucleic acid - based diagnostic assays for the detection of HCV nucleic acid sequencers ), orspecifically for use in the manufacture of any compositions or reagents for use in, ormanufacture of nucleic acid - based diagnostic assays for detection of HCV nucleic acidsequencers ) ( excluding, for example, ' PCR claims and technology and other methodsfor detection of nucleic acid sequencers ) generally which involve nucleic acidamplification ) . The t ~ rr.ninology as used in this Section 1.17, isintended to exclude inventions suitable for use with viruses or analytes other than HCV(including by way of example and not by way of limitation, inventions relating to PCR ; or'assay formats, improved expression systems, detectable labels, instrumentation