FEATURE: MEDICAL AV
Engineered mounting solutions
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Portsmouth Hospital’s training facility features a series of cameras which relay live video feeds to the control rooms for the trainers to analyse
third-party software solutions, prescribing can be done at the point-of-care and information sent directly to the pharmacy. Meals can be ordered through the terminal to the hospital kitchen, saving nurses valuable time from physically taking orders on a ward. Concurrently, each screen provides movies on demand, music, internet access and so on. By improving efficiency and reducing the possibility of errors on the one hand while generating potential income streams on the other, the terminals pay for themselves, Kressinger-Dunn estimates, in less than three years. Return on investment is no less of a requirement in AV
STANDARDS IN HEALTHCARE
While each country typically has its own specific standards in relation to systems used for healthcare, there are three that are widely applicable to the sector:
EN60601 is an EU standard for electrical equipment used in the diagnosis, treatment or monitoring of a patient.
DICOM (Digital Imaging and Communications in Medicine) is a standard for handling, storing, printing, and transmitting information in medical imaging.
PACS (Picture Archiving and Communications System) is a digital image standard, used increasingly in medicine. A basic level standard, it is often in place before more advanced standards like DICOM.
systems for healthcare than it is in other markets, and it’s driving increasingly widespread adoption of videoconferencing. “Cost and ROI are important,” says Andrew Graley, healthcare director at Polycom EMEA. “Costs in the healthcare sector are carefully scrutinised, so the value of the technology needs to be clear and measurable.”
TELEMEDICINE Polycom’s telepresence solutions are used for delivering, for example, medical lectures – but the company has also developed solutions specifically for the healthcare market. Polycom RealPresence Mobile allows patients to receive healthcare remotely – with applications including physiotherapy – while the Polycom Practitioner Cart (which conforms with the EN60601 standard) connects patients in hospital with, for example, remote stroke experts elsewhere. As well as improving patient care, videoconferencing can enable scarce medical specialists to make better use of their time. ‘Telemedicine’ is a recurring theme.
His point about ROI is echoed by Hatcher. “The right integrator can bring immediate value to the medical AV market,” he says, “if they understand customers’ problems as they relate to improving performance, lowering costs and raising revenues.” Projection systems are also
widely used in healthcare applications. “Teaching, virtual reality and simulation and training are the primary applications,” notes Anders Løkke, marketing director at projectiondesign. “We have a
www.installation-international.com
medical imaging range of projectors that are PACS- compatible [see boxout below] and that meet stringent requirements not only in image quality, predictability and operational reliability, but also electrical and operational safety, and ease of use for a variety of personnel. Thousands of projectiondesign projectors are installed in medical applications worldwide.” “For medical training, high
image quality is essential,” echoes Graeme Davidson, business manager for visual imaging at Epson UK. “A DICOM simulation mode is required for display products in order to accurately represent medical images. Epson’s EB-1700, 1900, G5000 and Z series projectors all support DICOM simulation.” He also notes the requirement for high contrast ratios and very high resolutions that preserve image detail, such as WUXGA.
PRODUCT ADAPTATION In some cases, standard AV products can be used in the healthcare environment. In others, however, some degree of adaptation is required. “A hospital is a unique
environment,” notes Kressinger-Dunn. “Bedside terminals have multiple users such as doctors, nurses and patients in an environment where the danger of transferring germs or contagious diseases is huge. It’s important that the terminals can be easily cleaned, that they are waterproof and dustproof and that there are no gaps or crevices where germs and bacteria can collect.” “Another challenge is
noise,” he continues. “A ward has to be very quiet because patients need to rest and
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www.comm-tec.de October 2012 25
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