#59558 - 20/12/11 09:31 PM
Re: Medical device power consumption
[Re: Barney]
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Super Hero
Registered: 12/02/04
Posts: 10300
Loc: the path less trodden
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As I'm sure you understand, Barney, it's all part of the "business as usual" aimed (and seemingly succeeding) at keeping the plebs in their place. You see, the Lower Orders ( aka the Great Majority) need to be kept anxious, on the back foot, and made to feel guilty about having the temerity to exist. Nanny is most efficient when the campers (happy or not, but preferably not) are compliant. After all, we can't have them thinking for themselves now, can we? If it's not "global warming", it "carbon debts". And if it's not "carbon debts" it's something else to worry about:- terrorism, the poor polar bears, too many magpies (now that's a real problem), racism, the starving kids in Africa, the next "super-bug" ... you name it. It's all our fault, you know. Your's and mine.  So please forgo your food this week, and give generously to ... ... ... Meanwhile the NWO types in charge continue to live the High Life, snouts firmly in the trough, whilst we're all scared [censored] about what's ahead in the New Year. But we needn't worry, because (as I say) it's all going according to The Plan, and there's sweet FA that any of us can do about it! Happy Days. 
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#59565 - 21/12/11 03:45 PM
Re: Medical device power consumption
[Re: biomedbill]
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Super Hero
Registered: 12/02/04
Posts: 10300
Loc: the path less trodden
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... furthermore, the Good News is (according to what I have read recently) that the One World Government Gang (the Bilderbergers ... NWO, or whatever you want to call them) have suggested that they need to reduce World Population to around 500 million or so. The likely method of achieving that aim being the "accidental" release of a Super Bug. Not sure how they're going to ensure the selectivity of the bug ... but there you go. No doubt they're working on that little problem even as we speak.  Meanwhile, back to the Do-Gooders. To my mind, part of the problem these days is we have increasingly fewer (what we might call) practical people around ... and more and more hand-wringing *Wallies, Jobsworths, busy-bodies and miscellaneous prats ... who, although probably acting with what they believe are the Best of Intentions, are in fact Part of the Problem. Big Time!  * Apologies in advance to the few remaining folk out there blessed with the good old English name of Walter!
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#59571 - 22/12/11 02:49 PM
Re: Medical device power consumption
[Re: TheScopeSurgeon]
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Dreamer
Registered: 30/05/08
Posts: 25
Loc: Forth Valley
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If I may throw my two bob into the hat:
The problem I see here is that power consumption alone is not sufficient to get a valid "carbon footprint".
Something like a boiler, a fridge, a lightbulb, will probably have a fairly regular duty cycle. A medical device, by its nature, may have a very irregular duty cycle.
Added to that, power consumption in certain devices can vary quite a bit. An infusion device, for example, draws significantly more current at say 500ml/hr than it does at 5ml/hr. The light above my head, by contrast, probably draws roughly the same current all the time it's on.
Trying to get anything like a valid figure seems like it would be rather involved, and very time (and energy!) consuming, to be honest.
_________________________
Nothing's Ever Simple
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#59573 - 22/12/11 02:57 PM
Re: Medical device power consumption
[Re: TheScopeSurgeon]
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Super Hero
Registered: 12/02/04
Posts: 10300
Loc: the path less trodden
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I would like to make our hospital management aware of the power consumption effects of medical devices. If they're not already aware of the Electricity Bill, then I guess that they, too, are part of the problem! I would advise our friend TSS to seek out another horse to flog.  I would suggest something aimed at improving efficiency in delivering healthcare, rather than simply "saving money" per se. Folk need to realise that large government funded healthcare organisations are not about "saving" money ... but rather about spending it:- but hopefully in the most cost-effective, outcomes-driven ways possible. Any penny that is not directly aimed at the delivery of healthcare needs to be justified to those who are handing those pennies over. And if the tax-payer disagrees with that expenditure ( eg, obscenely high "executive" salaries), then that funding should be discontinued.
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#59576 - 23/12/11 08:41 AM
Re: Medical device power consumption
[Re: TheScopeSurgeon]
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Novice
Registered: 20/11/09
Posts: 13
Loc: TURKEY
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This is somewhat complicated subject. Location information as you want to change. First of all, how much of a deviation to make generalizations have identical coefficients. For example, the energy consumption for a complex CT machine and the same technology. As a standard value, the manufacturer said, you could base the maximum values. Device to collect a lot of the technical document, a table of statistical results by making yourself as possible. still a work in this business will take some time. In this regard I am sure that if you have a working machine park are taken into account the share of total energy. May be a clinical or total issued. Radiology clinic. CT MR xray Mammogrphy U.S. Anjiography ETC ... need more power for same time using ... 
Edited by F.tasci (23/12/11 08:41 AM)
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#59760 - 13/01/12 03:58 PM
Re: Medical device power consumption
[Re: TheScopeSurgeon]
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Newbie
Registered: 06/01/12
Posts: 2
Loc: UK
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Our Trust is looking at a voltage optimisation system which would see our mains ac voltage reduced from 240+ to 220V at end point. This will reduce costs to the Trust.
Have any other Trusts implemented such a system and have any adverse effects been noted? My particular concern is in regard to medical devices but all comments would be welcome
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#59762 - 13/01/12 07:24 PM
Re: Medical device power consumption
[Re: LeeH]
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Super Hero
Registered: 12/02/04
Posts: 10300
Loc: the path less trodden
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Welcome to the forum Lee.  Your namesake has been there before.
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