Abstract: An example treatment system includes: a treatment couch for holding a patient; fiducials associated with the patient; an imaging system to capture an image of the fiducials and of an irradiation target while the patient is on the treatment couch, where the image is captured in a treatment room where treatment is to be performed; a mechanism to move the treatment couch; and a computer system programmed to align locations of the fiducials to the fiducials in the image, and to determine a location of the irradiation target relative to a treatment system based on locations of the fiducials and based on the image. The movement of the treatment couch into a treatment position in the treatment room may be based on the location of the irradiation target.

Abstract: An example treatment system includes: a treatment couch for holding a patient; fiducials associated with the patient; an imaging system to capture an image of the fiducials and of an irradiation target while the patient is on the treatment couch, where the image is captured in a treatment room where treatment is to be performed; a mechanism to move the treatment couch; and a computer system programmed to align locations of the fiducials to the fiducials in the image, and to determine a location of the irradiation target relative to a treatment system based on locations of the fiducials and based on the image. The movement of the treatment couch into a treatment position in the treatment room may be based on the location of the irradiation target.

Abstract: A virtual private network service provider, wherein virtual private network (“VPN”) software for setting up a virtual private network connection is delivered from a server computer to one or more client computers over a computer network, such as the Internet. Once the VPN software is delivered to the client computers, it can be executed so that data communications are made as virtual private network communications under control of the VPN software. Because the VPN software is stored and maintained on a server computer, and preferably delivered to the various client computers on an as-needed basis, the distribution, integrity and updating of the VPN software is improved because the “master” version of the VPN software can be controlled and revised by merely accessing the server computer system, rather than by attempting to control and revise numerous copies of the VPN software resident on various, scattered client computers.

Abstract: A virtual private network service provider, wherein virtual private network (“VPN”) software for setting up a virtual private network connection is delivered from a server computer to one or more client computers over a computer network, such as the Internet. Once the VPN software is delivered to the client computers, it can be executed so that data communications are made as virtual private network communications under control of the VPN software. Because the VPN software is stored and maintained on a server computer, and preferably delivered to the various client computers on an as-needed basis, the distribution, integrity and updating of the VPN software is improved because the “master” version of the VPN software can be controlled and revised by merely accessing the server computer system, rather than by attempting to control and revise numerous copies of the VPN software resident on various, scattered client computers.