h a l f b a k e r yBunned. James Bunned.
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Hospital bedding has to be washed at a high temperature
to kill pathogens, which could otherwise lead to new
infections in patients.
The cost, energy, and environmental impact of hospital
laundry is significant.
In many cases, it actually works out better to use a
“single
use” biodegradable
product rather than cleaning and
sterilising a multi-use product.
This idea then is to provide cheap, low carbon
biodegradable single-use bedding for hospitals and
similar
institutions.
Costs of building and running a hospital
https://www.healthi...tion_v1.0_final.pdf
OpEx figures on page 27 [Frankx, Oct 30 2019, last modified Oct 31 2019]
Linen cost per patient-day
https://soriantsolu...ital-linen-savings/
Actually, this report suggests somewhere nearer $8 per day for linen [Frankx, Oct 30 2019]
2 - 3% on linen
https://www.healthc...aging-costs-laundry
[Frankx, Oct 30 2019]
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You will have to make sure that the sheets don't bio-degrade
underneath the patient (I don't know how frequently beds
are changed for long-term patients; thankfully it's been a
long time since I've stayed in a hospital). |
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Given the efficiency (or lack of it) of the NHS, this could be neatly extended by providing victims with a multi-purpose bedding/shroud kit on admission, then they can stay on a trolley in a corridor until it's time to wheel them off to the mortuary so the pathologist can make an accurate diagnosis of what's wrong with them. |
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//In many cases, it actually works out better to use a “single
use” biodegradable product rather than cleaning and
sterilising a multi-use product.// |
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Hmmm. Do you have evidence of that? Bear in mind that
hospital laundry is generally done in huge batches, so the per-
item energy (and other) cost is small. |
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Also, if this were true, would not hotels be a larger market? |
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Hotel guests expect, indeed demand, comfort. Hospital patients typically have quite different priorities ... uncomfortable bedding is probably lower down the list than, for example, getting a bed of any sort, or some food that's more than half edible ... |
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Most are preoccupied with trying to get the attention of a member of staff, if they can spot one. |
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The linked document is invaluable, and I shall rely heavily on
it the very next time I build a hospital. However, I was not
able to find any mention of laundry or linen therein. |
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Operational expenditure (on staffing, cleaning,
feeding, heating, powering etc) for a typical
hospital looks to be around £80 per bed per night
[link] That seems reasonable for an order of
magnitude. |
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Laundry costs appear to be up to 3% of that, so
around £900 per bed per year. |
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Hospital bedding doesn’t get changed every day,
but perhaps £3.00 per set of single-use linen would
be cost-effective in comparison with laundry. |
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In terms of environmental impact: i’m struggling to
find good quantified evidence. I’ll keep on it.
Qualitatively though, I know that it’s argued that
(for instance) single-use paper plates have a lower
environmental burden that ceramic crockery,
because the energy used in washing each time is
greater than the resources used to make
(distribute, and dispose of) a paper plate. |
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Finally, why don’t hotels... I suspect that that is
down to the perception of quality. If I stayed in a
hotel that had disposable paper sheets, I would
make a judgement in comparison to one that had
finest Egyptian high-thread-count cotton. |
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For most guests in a hospital, I suspect spending £3
more per night on medical care or diagnostic
equipment would be more important than quality
sheets. |
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[MB] - typical laundry expenditure is apparently 3%
of OpEx. I’ll have to re-find the link for that. |
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The link provided (amongst all the CapEx
discussions) gives hospital OpEx per bed per night. |
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Hang on. I'm running a state-of-the-art hospital with
doctors, surgeons, nurses and even some medical experts. I
have an MRI, a CAT, an ATC and a machine that goes
"ping!". I run a meals service, a floor-cleaning service, an
information management service and, when I get time, even
a medical service. I have a pharmacy, a mortuary, and a
refectory. I have clinical waste segregation, hazardous
waste disposal, and a chapel. And THREE PERCENT of my
budget goes on laundry? |
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The solution, shirley, is not disposable bed linen, but a
woman called Lynne with a high-capacity washing machine
and a passion for hot-wash cycles. |
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Don't forget to factor in the cost of dealing with the soiled underwear when the auditors turn up unannounced to check tbe stock of controlled drugs ... |
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“The American Reusable Textile Association reports
that 2 percent to 3 percent of a hospital’s budget
is spent on laundry services, including all linen and
textiles, but some facilities achieve greater savings
through efficient processes. |
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The University of Pittsburgh Medical Center, which
rents its linen, spends a little less than 1 percent
(about $15 million) of its total expenses (which
include supplies, drugs and purchased services) on
linen services” |
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Lynne is going to be very busy. |
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One per-cent still seems high, but is at least plausible. |
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I'm pretty sure that the Buchanan Estate spends much less
than 1% of its running costs on laundry - and we're not even
offering any expensive medical services. |
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Ahem ... your second cousin Voluptua offers "Medical Services" at a seemingly rather high price, although we understand from third parties that she does promise "complete satisfaction to discerning gentlemen ". |
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The nurses's uniform - what there is of it - certainly does suit her, though. Is the latex preferable to woven cloth for hygiene reasons, or just because it doesn't show stains ? |
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Where did she do her medical training ? It's just that she has an unusual way of carrying her stethoscope. It can't be very comfortable, and it's probably not very hygienic ... |
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//"Medical Services" at a seemingly rather high price// I did
tell her to give you a discount. I'll have a word. |
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Ta. Does she do requests ? It's just that we have a genuine Seven of Nine one-piece lycra suit we ... obtained ... at a charity auction and we think she'd look good in it. |
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// Bleached and steamed // |
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There are several objectives; to remove unsightly stains, and to kill all pathogens and destroy toxins, rendering them biologically inert. The second is actually more important. |
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Autoclaving does a pretty good job of destroying bugs, as does ethylene oxide. Chlorine is fairly good but can have a destructive effect on some materials - but it does also bleach stains. |
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"You pays your money ... " |
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//we have a genuine Seven of Nine one-piece lycra suit// She
won't touch lycra with nine foot pole. Well, she will but it
costs extra. |
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Would she accept the I.O.U. on Sturton's other kidney ? |
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On further consideration, laundry could be radiation-sterilized and then put through an ordinary low-temperature wash. That makes an excellent commercial case for building combined hospitals and nuclear power plants.
Hmmmm .... |
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//Would she accept the I.O.U. on Sturton's other kidney ? //
Yes, but she'll have to make her own arrangements to get it
out of the bloke he sold it to. |
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//The Andromeda Strain wore paper jumpsuits that were
incinerated and replaced daily// |
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Because as we all know, paper's tear-resistance and
impermeability is second to none. |
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So you're in favour of working in the nude ? |
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Nothing wrong with that per se, although it would make for quite a different movie ... |
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College students have been creating compostable bedsheets for years, though it tends to be an unintentional consequence of their lifestyle. |
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How about a single-use hospital? You're sick, and a crate gets
delivered to your door with a full range of diagnostics,
surgical instruments and therapeutics. The crate also
contains one doctor but, for reasons of employment law, the
doctor is considered reuseable. |
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Oh no, this sounds like another of your money-making schemes* ... |
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Our guess is that there will indeed be a "Doctor" but they will be a Doctor of Divinity and a recent alumnus of the University of St. Kitts and Nevis (USD$ 9.99 plus shipping and handling, framed in a genuine simulated plastic-effect frame for an extra USD$12.99) and the ink on their diploma will be barely dry ... |
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*No, you can not have another go with our replicator. "Making money" is meant to involve personal effort and economic activity, not simply making exact duplicates of any currency you have immediately to hand. |
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I tried your replicator. I was surprised at how large it was -
just about big enough to contain one person and a few
accessories. The "replica" £20 note was not even the right
size, and looked suspiciously crayon-drawing-like. I'd also like
to point out that the original was not returned. |
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We gave it to Sturton. He told us you told him to ask for it. He has the original, and the replicated one. |
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He promised faithfully ... |
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[Chairborne Hero]... acknowledging it’s baked.
Your Google-Fu is strong! Shame to lose those
annotations though. |
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Just leave it in place. Unless marked for deletion,
there's no need to delete it. |
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There is a category [halfbakery:archive] for ideas that are redundant but which are considered worth keeping for reasons of annotations, useful links etc. |
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Ahh... thank you [8th], that's where it will go. |
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Yes, the Sargasso Sea of Lost Ideas. A bit like Milton Keynes, but more interesting. |
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// On further consideration, laundry could be radiation-sterilized // |
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Regular radiation sterilization of the entire hospital building and equipment would solve so many superbug problems, although my understanding is that one would have to know the responsive of one's target bacteria to types and levels of radiation. |
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//one would have to know the responsive [sic] of one's target
bacteria to types and levels of radiation// |
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Not really. The dose needed to kill practically any bacterium
is known, so you just use that dose. One problem is that
buildings often contain inconvenient things like walls or
floors, which will block a lot of the radiation. Another
problem is that you might end up evolving a new pathological
version of Deinococcus radiodurans. |
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Don't forget viruses; intense radiation will not only kill bacteria and their spores, but destroy the RNA in viruses. It doesn't "kill" them because they're not really "alive" in any meaningful sense, they're just nasty little self-replicating strands of nucleic acids, like journalists but more socially useful and with a more highly developed moral sense. |
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// inconvenient things like walls or floors, which will block a lot of the radiation. // |
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Hence our "CHP" idea with its ingeniously engineered "Venitian blind" shielding scheme around the reactor primary containment vessels. |
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So...we're thinking that knowing the responsiveness of commonly deadly bacteria wouldn't ameliorate the problem of creating bacterial mutations with radiation, and even if we could, we could still cause problems with undead viruses? How's that radiation sterilization of bedding working out for ya? |
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The answer is clearly to deliver the radiation dose in units of Megatonnes ... |
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A high enough dose will kill pretty much everything (though it
needs to be a _very_ high dose for Deinococci; then again
they're not dangerous). Viruses will indeed also be
inactivated. (But, FTR, many viruses have DNA; only some are
RNA, not that it makes any difference in this case.) |
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On the plus side, if you leave the patients in situ during the
treatment, none of them will die from infectious disease. |
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