Bed Cooler for Ng Teng Fong Hospital

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12 February 2013

Introduction

The 700-bed Ng Teng Fong hospital at Jurong East is ready to open in December 2013.  It’s going to serve the 900,000-strong residential and enterprise group within the West of Singapore.  It shall have inexperienced environment and spacious wards with a view of  several rooftop gardens.  Nevertheless,  what most sufferers want can be a great relaxation and a great night time sleep for fast restoration within the hospital;  it’s all the time exhausting to get one in a scorching and humid setting like in Singapore.  

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Is it acceptable?

The report stated that the spacious wards in Ng Teng Fong hospital could have pure air flow apart from these in personal wards.  Those that was bedridden earlier than will testify that that is removed from acceptable. What about those that are affected by mattress sore?   

What may be executed?

A method is to supply air-conditioning for all of the wards.  However this won’t solely make hospital stays  dearer but in addition not acceptable as a result of it is unhygienic to share recycled air.   Moreover,  particular person management for air-conditioning will not be potential apart from the personal rooms.  Howvewr, Air conditioners can’t remedy mattress sore downside except the warmth from the mattress may be extracted.   Different strategies corresponding to provision of water mattress and ripple mattress won’t assist additionally.   The choice is to supply mattress cooler,  one for every mattress.

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What’s a Mattress Cooler?

It’s a small air con system that can cool solely the mattress.  It has a cooling  sheet or jacket spreaded between the mattress sheet and the mattress.  The cooling sheet might have embedded versatile tubes or in any other case that can permit cooled air or chilled water to be circulated to the mattress to extract the physique warmth.  The straightforward ones used a cooling fan blowing into the cooling sheet;  the extra difficult ones use chilled water for cooling.  The latter is most well-liked as a result of it might present higher and environment friendly cooling.   

What are the Benefits?

Mattress coolers won’t solely present reasonably priced cooling,  it’s also hygienic as water is used as a media in a closed loop system.  It’s going to work effectively in pure ventilated wards.  Bed coolers can save up to 90% of the air conditioning bills.  If they’re operated along with present air con,  it might save as much as 50% of the power payments because the temperature of the present air con may be raised.  The system may be designed to be managed remotely,  individually and/or centrally  to swimsuit the sufferers’ cooling requirement.  
Mattress sore is likely one of the largest downside in hospitals as most hospital use  PVC lined mattresses and pillows for hygienic cause and ease of cleansing.   Sufferers are sometimes strapped with tubes or sicknesses making them troublesome to flip their backs and our bodies round like unusual folks.    Extended staying within the mattress ready will trigger mattress sores.  Though the nurses may also help,  they’re usually very busy.  Mattress coolers can assist to remedy this mattress sore downside,  save labour in addition to power value.

Why our Hospitals not utilizing them?

It could be as a result of mattress cooler is a comparatively new idea that has by no means been used in hospitals.   Many should not certain simply how they might match into the hospital’s operation. Mattress coolers are rapidly perceived to have operational  downside;  for instance, how to make sure that the cooling system may be rapidly linked and disconnected when the mattress is all the time on the transfer.  

Mattress Cooler,  a Confirmed System?

Mattress coolers are literally nothing new.  They’re simply miniature dimension of a relaxing water cooling system that has been utilized in cooling giant buildings. They are often a part of the present air con  system with addition of  cheap controls and minimal upkeep. 

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As for the  fast connection and disconnection of chilled water piping for beds on the transfer with out making a large number on the ground,  there are confirmed  fast connectors that one can use to make sure secure connection and disconnection with none water spillage or leakage.  Such quick connectors have been used in car racing sports  to replenish the petrol for the racing automobiles inside minutes or seconds.    

Extra Price

The mattress cooler could make use of the present chillers usually put in as a typical in air con buildings.  The extra value for the brand new constructing won’t be a lot;  even for present buildings,  it will be potential so as to add mattress coolers with out further chillers because the burden of mattress coolers  ought to  be offset by decreased air con load.   The extra value will subsequently be the PVC water jacket which is able to value less than $20/= each when purchased in bulk.  There will probably be further value for fast connectors, small pumps, warmth exchanger,  tubing and movement controls which a tough estimate signifies that it’s going to not value greater than  $400 per mattress together with set up. 

 

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Conclusion

It’s good for hospital to have all of the options and services which can be designed for therapeutic however what’s the use if the affected person can’t get a great relaxation or a great night time sleep in a scorching and humid setting of Singapore.  Mattress coolers won’t solely save power payments, it might additionally save labour value and remedy mattress sore issues.  Additionally it is extra hygienic than the unusual air conditioners.

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Replace :  19 August 2014

Simply learn  that Tan Tock Seng Hospital had retrofitted their hospital’s subsidised  wards with  air conditioning.   This signifies that there are calls for even for present hospital to retrofit its wards for higher consolation of the sufferers.  Nevertheless,  the air con provision won’t be able to resolve the mattress sore downside as a result of the air con can’t attain the mattress and take away the physique warmth built-ups;  solely mattress coolers can.   
The retrofitting of the air con to present constructing will value not less than 200% greater than mattress cooler,  requiring in depth retro-fitting work and closure of the wards for some lengthy interval.  As for the mattress cooler,  one will want solely a backside nook house to run horizontal PVC trunking for piping and controls.,  the set up ought to take lower than per week.
References
Bed Cooler, a Worthwhile investment

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