Designation:F1573–95(Reapproved2000)StandardSpecificationforAnestheticEquipment—OropharyngealandNasopharyngealAirways1ThisstandardisissuedunderthefixeddesignationF1573;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversminimumperformanceandsafetyrequirementsfororopharyngealandnasopharyngealairwaysforhumanuse.1.2Sizedesignations,dimensions,andtolerances;materialcompatibility;productmarkingandlabeling;andpackagingareconsidered.1.3Becauseofthewidevariationinsizeandconfigurationofthehumanairway,variousconditionsofuse,userprefer-ences,andcost,thisspecificationcannotcoveralltypesoforopharyngealandnasopharyngealairways.1.4Standardsforthetypesofairwaysnotspecificallyaddressedbythisspecificationmaybedevelopedinthefuture.1.5Thisspecificationisnotintendedtolimitthedevelop-mentoftheotherdevicessolongastheminimumsafetyandperformancerequirementsstatedhereinaremet.2.ReferencedDocuments2.1ASTMStandards:ANSIZ79.3-1983AnestheticEquipment—OropharyngealandNasopharyngealAirways23.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1buccalend(flangedend)—theendoftheairwaythatisflangedandisexpectedtofitbetweentheteethorgumsoragainsttheexternalnares.3.1.2nasopharyngealairway—adeviceintendedtomain-tainthepatencyofrespiratorypassagesthroughthenasalcavityintothepharynx.3.1.3oropharyngealairway—adeviceintendedtomaintainthepatencyofrespiratorypassagesthroughtheoralcavityintothepharynx.3.1.4pharyngealend—theendoftheairwaythatisin-tendedtobeinsertedintothepatient’spharynx.3.1.5shall—theword“shall,”asusedinthisspecification,istobeunderstoodasdenotingamandatoryrequirement.3.1.6should—theword“should,”asusedinthisspecifica-tion,istobeunderstoodasdenotingarecommendationthatisasoundsafetypractice:itdoesnotdenoteamandatoryrequirement.4.SizeDesign...
