Designation:F2821−10StandardTestMethodsforBasketTypeRescueLitters1ThisstandardisissuedunderthefixeddesignationF2821;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodswillenabletheusertodetermineifarescuelittermeetstheirrequirementforstrengthdependingupontheirparticularapplicationsandmethodsofuse.1.2Thetestmethodsdescribedinthisstandardaredesignedtotestseveralparametersunder“mannerofuse”conditions.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundunitsthatareprovidedforinforma-tiononlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.Terminology2.1DefinitionsofTermsSpecifictoThisStandard:2.1.1baskettypelitter,n—aconveyanceforthesickorinjuredusuallyconsistingofatubularmetalframeenclosingamoldedplasticorwireshell.Alsoknownasabasketstretcher.2.1.2litterbridle,n—amanufacturedorimprovisedsystemthatattachesthelittertotheraisingorloweringsystem.2.1.3horizontallift,n—referstothepatientbeinginahorizontalpositionwiththeheadandfeetatapproximatelythesamelevel.Inthisconfigurationthelitterbridleattachestothelitteratfourpoints.2.1.4anchorplate,n—adeviceinstalledinsidethelitterthatisusedtoattachthelittertothebedofthetestapparatus.Itmustbeofsufficientsizeandstiffnesstodistributetheforcesonthelittershellorframe,therebyallowingthetestoftheattachmentpoints.2.1.5verticallift,n—referstothepatientbeinginaheadupandfeetdownposition.Inthisconfigurationthelitterbridleattachestothelitterattheheadendonly.3.SummaryofTestMethod3.1Horizontaltestmethodisdesignedtotestthelitte...
