基于hl7标准的医疗信息交换关键技术分析

《基于hl7标准的医疗信息交换关键技术分析》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、摘要工作。关键字：医疗信息交换；HIS；HL7；XMLIV硕上学位论文ResearchontheKeyTechnologyofHospitalInformationInterchangeBasedonHL7Name：JiaW-eiSupervisor：LiWeiPengHL7organizationwasbomunderthemedicalserviceequipmentprovider'ssupportin1987．Itdevotestostandardizationthesecertainessentialdataofthemedicalser订cei

2、nformationsystem,andfinallytheHL7standardbecometheinternationalexchangestandardofmedicalinformationsystem．TheHL7organizationuse‘'justdoit”astheirmajorpolicies．Theypaidmoreattentioninactualresultthananoverallplan-·Andunderthishndofpolicy。Sinstruction,HL7organizationhasissuedHL7draf

3、tstandardin1987．In1994，theHL7V2．3standard(ANSI)wasapprovedbytheNmionalBureauofStandards，anditbecametheUSnationalstandardsinthesameyear．ThemostremarkablecharacteristicintheHL7v2standardWasintroducedconceptssuchas‘'theextemalevenf’，‘'thetriggerevent”，‘'triggering'’，‘'thenews'’andSOo

4、n,andtheapplicationprocedureWaspreciselywiththeaidofthesecompletemechanismstorealizethetransmissionofmedicalinformationinthedifferentapplicationsystem．Infact，HL7standardhasn’tdefinedSO-calledtransportprotocolsclearly,butmainlydrawssupportin‘'thetriggerevent'’and‘'thenews”torealize

5、transmissionoftheinformation．XMLhasalreadydevelopedfor10years，anditgraduallybecomesastandardofdatainterchangeonINTERNET．W3CRecommendationExtensibleMarkupLanguage(XML)1．0issuedinFebruary10，1998thatstartedinviewoftheXMLworkabout1996，butitsrootWasbominSGMLalsoalreadyhadnear30yearhist

6、ories．IthadissuedthedevelopmentofXMLwiththedesignprinciplewhichABSTRACTguidesit．11lefirstworkingdraftissuedinSeptember14，1996，andbecauseoftheeffortofW3C(WorldWideW曲Consortium)，XMLprovidedthestandardformforthedatasharingandinterchangeon-line．XMLSchemaiscarriesontherestrainttoldndof

7、XMLdocuments，todetermineitsstructure，theelement,theattribute，andthedatatype．Anditalsorestrictstheelement，entity,element’Sattribute，betweentheelementandentityrelations．XMLSchemafirstproposedbyMicrosoftanditwasalreadyacceptedbyW3Cbeastandard．TheformofnewsinXMLhasthebrighthierarchica

8、lstructure，andmadeconcretetothene