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medical devices (general), medical device parts and components, classification(s) of parts or products
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  #1  
Old 27th October 2011, 03:27 AM
Roland chung Roland chung is offline
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Please Help! Defining the type of Applied Part - Metal Probe (Applied Part) employs Water Cooling

Hello all,

There is a equipment that its metal probe (applied part) employs water cooling and therefore would be connected to the municipal water supply. I think that such applied part should not be classified as F type since the municipal water supply is earthed normally. Am I correct?

Any thoughts would be appreciated.

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Old 27th October 2011, 09:32 AM
Peter Selvey Peter Selvey is offline
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Re: Defining the type of Applied Part - Metal Probe (Applied Part) employs Water Cool

Yes, absolutely, the equipment should be Type B.

For reference, dialysis equipment is normally rated Type B. It would be good for dialysis to be BF or CF, but it's not really practical as the blood circuit is electrically connected to the dialysate circuit which has various electrical sensors, solenoid valves, heaters and in turn connects external water supplies and the like. So, sometimes Type B is all that can be done.
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Old 27th October 2011, 08:56 PM
Roland chung Roland chung is offline
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Re: Defining the type of Applied Part - Metal Probe (Applied Part) employs Water Cool

Many thanks for your view.
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