BS_6850-2002.pdf

BS6850:2002Committees responsible for thisBritish StandardThe preparation of this British Standard was entrusted to TechnicalCommittee CH/46,Lung ventilators and related equipment,upon which thefollowing bodies were represented:Association of Anaesthetists of Great Britain and Northern IrelandAssociation of British Healthcare IndustriesAssociation of Paediatric AnaesthetistsBritish Anaesthetic and Respiratory Equipment Manufacturers AssociationDepartment of Health(Medical Devices Agency)Institute of Physics and Engineering in MedicineInstitution of Mechanical EngineersIntensive Care SocietyPersonal Safety ManufacturersAssociationRoyal College of Paediatrics and Child HealthThe following body was also represented in the drafting of the standardthrough a subcommittee:British Healthcare Trades AssociationThis British Standard,havingbeen prepared under theunpdirection of the Health andEnvironment Policy andStrategy Committee waspublished under the authorityof the Standards Policy andStrategy Committee on14June20028BSI 14 June 2002Amendments issued since publication品First published October 1987Second edition June 2002Amd.No.DateCommentsThe following BSI referencesrelate to work on this BritishStandardCommittee reference CH/46Draft for comment 01/562314 DCISBN0580385973BS6850:2002ContentsPageCommittees responsibleInside front coverForewordi1Scope12Normative references13Terms and definitions24Classification35Cleaning,disinfection and sterilization36Connectors37Operational requirements48Physical requirements49Performance requirements510Storage and operating conditions611Gas supply612Marking713Information to be provided by the manufacturer7Annex A(informative)Recommendations for face masks9Annex B(informative)Recommendations for materials9Annex C(normative)Method of test for patient valve function aftercontamination with vomitus9Annex D(normative)Method of test for tidal volume12Annex E(normative)Method of test for pressure limitation14Annex F(normative)Method of test for delivered oxygen concentration14Annex G(normative)Method of test for resistance to spontaneousbreathing15Annex H(normative)Method of test for apparatus deadspace(backward leak)15Annex I(normative)Method of test for flow through patient demandvalves16Annex J(normative)Method of test for storage and operating conditions17Annex K(informative)Construction and testing of test lungs18Bibliography19Figure C.1-Schematic diagram of a test lung11Figure D.1-Schematic diagram of an instrumented test lung1Figure I.1-Apparatus for test for initiation of flow of patient demandvalves17Table C.1-Resistance values of test lung10Table C.2-Compliance values of test lung10Table D.1-Test conditions for tidal volume test12BSI14June2002