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PAXPort is an advanced DICOM Router, designed to enable secure and high-speed transfer of imaging data between disparate PACS over a Wide Area Network

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PACS networks: the reality today

When sending a 1000-slice CT exam (512 MB) over a T3 metropolitan network connection, the theoretical transfer time is 1m 36 seconds. In practice, it easily takes up to 15 – 30 minutes. And when cases get stuck in the PACSʼs sending queue, it could take up to hours!

Why are many centers suffering from slow image transfer?

If you think of a WAN link as a water hose with a diameter (bandwidth) and length (latency), it is clear, that you can only achieve a maximum flow when the hose is kept full.

A DICOM Sender (PACS or modality) only sends a limited amount of data in the network at a time, then waits for an acknowledgement by the receiver before sending the next piece of data. In other words, a typical, single-threaded study transfer only uses a fraction the bandwidth.

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How does PAXPort address this challenge?

PAXPort uses multi-threaded, secured TCP connections to accelerate image transfer over WAN links, achieving up to 100% bandwidth utilization, even when sending images to the other side of the world.

Thanks to PAXPort, we can receive large studies from anywhere in the world within minutes, enabling cross-border emergency services between different time-zones.

Ana Pedraz, Integration Manager DDA

What are the benefits?

ü Quickly transfer large data sets between facilities

ü Instantly retrieve history exams from

off-site image archives ü Share emergency cases for review

from remote locations ü Avoid studies from getting stuck in

sending queues ü Enable DICOM transfers over

wireless broadband (including 3G and satellite) to connect remote sites or mobile units

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PAXPort is the ideal solution to speed up image transfer in your radiology network. Below you can see an example implementation diagram to inter-connect various locations such as a diagnostic center and off-site radiologists, data-center, tele-radiology provider, mobile units, etc.

PAXport performance

Transfer time comparison for sending a large CT study (1000 slices) from PACS to PACS

New York to New Dehli

Barcelona to Madrid

What are the features?

ü Parallel sending threads

ü Lossless compression ü Easy & Secure ü Intuitive web-interface ü Fully supported

LINE LATENCY TRANSFER TIME PAXPORT TIME 3G 180ms 24m 11m 45s

LINE LATENCY TRANSFER TIME PAXPORT TIME T3 215ms 30m 1m 50s

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