A Cloud Computing Solution for Hospital Information System Our proposal is a system to share the information of different hospitals via virtual private network (VPN) and public Internet access. Fig.3 is the proposed construction of cloud-based HIS. The health department establishes the private cloud to store and manage important information such as computer-based patient records, etc. While other data of normal management and business can be put into commercial cloud server.51173

This framework is easy to realize by adding a network module or control center just attached to existing systems. The network module is to connect within the cloud, and can use the resources in cloud to achieve hardware, software and data-storage according to the need. Using this method to optimize and reduce existing HIS gradually, thus obtains adjustable flexible structure.

It's very affordable to use cloud computing in medical IT services, many hospitals can share the infrastructure formed by connecting large number of systems together, thus the hospitals can become more efficient, and construction costs can be reduced. At small hospitals like township hospitals, most business can be processed within the cloud, so as to get rid of the heavy burden of complete construction and management. They only need to complete the patients' information collection and result display, the others that including management, storage, maintenance, and even disease diagnosis can be achieved in the central servers. Also large hospitals reduce its costs from this flexible and extensible framework.

There are several practical advantages in this implementation, such as:

• Reduce the costs: Using cloud computing technology, hospitals can get the services provided by millions of servers in the cloud but pay a little,then higher efficiency, lower cost can be achieved. Compared with spending lots of money to buy a dedicated server, using cloud services is clearly more cost-effective.

• Flexible and extensible framework: The cloud framework supports heterogeneous equipments and alterable system scale. Small hospitals can first set up a simple system with necessary component. As the hospital becomes bigger and bigger, it can easily scale up the cloud in a short time.

• Better information sharing: Through the cloud model,the health and medical institutions can work together to build information-sharing space of medical 519 resources. This can share infrastructure without having to update the related hardware, reduce costs while efficiency is greatly enhanced.

• Reduce maintenance expenses: The user terminal architecture is unlimited in cloud computing model,therefore, the technical staffs do not have to pay much 

 attention to upgrading the hospital hardware,while the daily maintenance of the server is also provided by the cloud service provider, and thus they have more time to undertake other work .

• Reliable operation of the server: The data of hospital daily business are concentrated in the server in the present hospital information systems, so the hospital cannot work normally once a server failure occurs;seriously key data will be lost in extreme cases. The cloud computing model can quickly copy data in the failed server to another server, and start the new server to provide services, that obtains real continuous security services.

• Further application prospects: Meanwhile, in the cloud computing model, experienced major hospital doctors can help diagnose patients of rural hospitals directly by collected patients' condition, images and other data, because of the unified data storage and sharing, we can even implement electronic disease diagnosis based on powerful cloud computing.

【Note】text excerpt from ，Chenghao He, Xi Jin, Zhanxiang Zhao, Tian Xiang’s " A Cloud Computing Solution for Hospital Information System"

.原文的翻译

医院信息系统的云计算解决方案 医院信息系统的云计算英文文献和中文翻译:http://www.youerw.com/fanyi/lunwen_54721.html