>I think you should look for Software Update Services or Windows Update Services (I think this is still not available). I talked with the network guy, He told me that we have set up group policies in our domain that runs S.U.S. and automatically updates the computers. Not sure if it applies in your case with the "medical devices"
>
>http://www.microsoft.com/windowsserversystem/updateservices/evaluation/previous/default.mspx

Looks like we have to install a client, which probably won't be allowed. Thanks though.