[案例] 蓝威医疗EDI项目需求解读

EDI电子数据交换技术已经在各行业得到广泛的应用,医疗行业当然也不例外。继国家药品审评机构要求,申请人需通过Gateway to Gateway(网关对网关)方式或在申请人之窗,向国家药品审评机构提交符合ICH E2B(R3)规范的药物临床试验期间个例安全性报告。蓝威医疗在国内与其业务合作伙伴也启用了EDI技术,进行业务往来数据的传输。本文就蓝威医疗与其交易伙伴建立EDI连接的项目做一下分享。

隔行如隔山,或许您也是第一次听说蓝威医疗,那么我们一起来了解了解。蓝威医疗科技(上海)有限公司总部坐落于上海美丽的黄浦江畔,在“健康中国”的国家战略之下,政府正通过大力推行分级诊疗、“大病不出县”等政策,倡导,引导优质医疗资源下沉,促进基本医疗卫生服务的公平性及可及性。在政策带动下,基层市场空间巨大、增长蓬勃。而蓝威医疗科技的成立,也将会更贴合中国本土需求,其在专业培训、产品推广、临床服务及渠道建设上不断创新、提高效率,更好地服务广大客户。也让更多中国基层病患享受到高效、优质、适宜的产品和服务。

很多时候,建立EDI连接的双方都是使用了不同的EDI软件产品。其中原因很多,主要因为EDI在国外的应用远远早于国内。其次,知行服务的大多数客户都是国内的企业,要求与客户建立EDI连接的交易伙伴绝大多数是国外公司且EDI在国外,在国内还没有应用EDI的时期,他们已选择了合作的EDI产品服务提供商。

很巧合的是,此前蓝威医疗选择的便是知行提供的EDI软件产品,之后与其建立EDI连接的伙伴(以下简称H公司)也选择了知行提供的EDI软件产品及服务。在知行EDI业务快速发展的今天,相信以后会有越来越多的类似案例发生。知行也期待为国内外用户提供更好的软件产品及优质的服务,赋能企业供应链,助力企业级数据自动化传输。

就此次项目,以下列出了项目的四个重要参数,分别是传输协议、报文标准、业务报文类型以及H客户选择的方案,一起来看看。

*传输协议:AS2 on Internet

像很多企业级用户一样,蓝威医疗EDI项目在比对了多种传输协议后,选择了AS2协议。既然提到了AS2协议,那我们就详细看看AS2究竟有哪些优势。了解一下,对于后续您公司选择合适的传输协议一定会大有帮助。总结一下,主要有以下四个优势。

1.签名加密

实际上,每种传输协议都会采用不同的方式来确保其传输信息的安全性,有些是通过加密传输通道,而有些则是加密实际传输的信息。对于AS2则是使用数字证书对数据进行加密,而不是传输通道,以确保信息传输的安全性。而且,AS2 协议在加密数据的同时,也使用了SSL对传输通道进行加密。此外,AS2还可以对传输的信息进行HASH处理,确保文件在网络传输过程中不被恶意篡改。

2.身份验证

较之FTP、FTPS和SFTP等协议,AS2协议使用信息传输双方的数字证书对信息进行签名加密以及反向的解密验证。这样一来,就可以确保信息发送方与接收方的身份,避免其他第三方身份的人或组织获取到信息。

3.不可否认性

AS2协议具备MDN消息,即回执消息。在传输过程中,通常是在消息接收方收到消息后,返回MDN消息给消息发送方,表示消息接收的状态。因此,信息传输也具备了不可否认性,即参与数据传输的任意一方都不能否认已经完成的操作。如遇到一些异常情况,以上记录也可以作为法律证据。

4.通用性

AS2协议作为一种国际版标准协议,在全球范围内得到广泛的应用。其在实际业务应用中,有助于与伙伴企业建立统一标准的连接。。

根据以往用户案例,EDIFACT和X12标准是两种比较常见的报文规范。在EDI报文标准产生的初期,组织或是企业之所以大力推广EDI报文标准,是因为那时候在网络中以电子数据形式传输业务数据的成本远高于现在。推广EDI报文标准是为了找到一种最优的文件压缩方式,尽可能地降低文件大小,从而达到降费增利的目的。实际上,在现在流量和网络相对价格低廉的时期,是否为标准报文已经不是那么重要了。对于很多独立的组织或是企业,在标准EDI的基础上也越来越多的加入了企业自身的一些业务数据表现形式。数据格式也越发多样,非EDI标准格式之外,XML格式相对较多。

  • 业务类型:
业务含义 报文代码 传输方向
收货通知单 DESADV 接收自蓝威医疗
收货入库单 RECADV for Receipt 发送至蓝威医疗
入库质检单 RECADV for Check 发送至蓝威医疗
发货通知单 DESADV 接收自蓝威医疗
发货出库单 RECADV for Receipt 发送至蓝威医疗
出库质检单 RECADV for Check 发送至蓝威医疗

实际上,本次项目的报文类型还是比较少见的。以DESADV标准报文为例,在此前接触的项目,多数都是作为发货通知理解的,即发货方在发货时传输给收货方的一种药物单据,用以通知收货方做收货准备。然而,在这次项目中,DESADV分别理解为收货通知单和发货通知单。首先,作为收货通知单时,由蓝威医疗发送给H公司,用以通知H公司收货。这种情况下,基本上和以往项目中接触到的发货通知是一个用途。另外,作为发货通知单时,由H公司发送给蓝威医疗,用以请求H公司发货。实际上,更类似于以往我们所了解的交付计划或是订单。

项目需求就先解读到这里,后续我们会继续分享更多项目细节。如果有兴趣了解的话,可以联系我们,提供免费的线上一对一项目咨询。

了解更多EDI相关讯息,请您电话 150-0298-3180 / 177-8250-8152 或邮件 edi@kasoftware.cn 联系我们,获取 30 天全功能 免费试用 版本EDI软件。
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