To my reading the MDD applies only to human patients. 

Irrespective of the applicable Directive, you need to consider the
suitabilty of the Standrd you choose to adopt. 
In this case 60601 must be more appropriate than 61010 - not least because
safety provisions in the latter make no allowance for deliberate electrical
connection of a living creature to your (presumably electronic) device. 
61010 takes no account of the fact that a patient (in this case your mouse)
is connected via an Applied Part(and so potentailly more suceptible to
electric shock), nor that skin resistance is often deliberately reduced or
even bypassed for this connection, nor that in the event that shock should
occur then the patint is often unable to take any avoiding action. 
For these and other reasons the electrical safety requirements in 60601 are
necessarily more stringent - the requirements in 61010 are inappropriate and
inadequate for your application. 
(I've not checked, but I also assume that 61010 doesn't address other
'patient' safety issues suuch as biocompatibilty either). 


However, further risk assessment may still be required. The safety
requirements in 60601 are based upon human responses to adverse agents -
might mice be more sensitive (to leakge currents, for example) ? 
(Though the Standrd does still include animals as wellas humans in the
definition of the 'Patient').
Even if - as you suggest -you are not concerned with preserving your mouse's
life, you still have a requirement for the mouse to survive the duration of
your expeeriment and, as others have already observed, for the mouse to be
free from stresses which could affect your experimental results. On top of
which you have an ethical obligation to ensure minimum suffering to the
creature. I don't see how 61010 can satisfy these rquirements.


Ged Dean



> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of Sam Davis
> Sent: Wednesday, February 05, 2003 3:01 PM
> To: [email protected]
> Subject: mouse heart monitor
> 
> 
> 
> All,
> I'm trying to work up a quote for testing a product which monitors various
> heart functions of living laboratory mice.  Would this fall into the
Medical
> Directive under 60601, or the LVD, under 61010?  I'm just looking at the
> safety aspects, not EMC.
> 
> The question comes up because the definition of "patient" in 601 (old
> version at least) includes "human or animal".  This is not veterinary
> equipment (save the mouse's life), but laboratory equipment (use the
mouse's
> life to learn how to save human's lives).
> 
> Thanks,
> Sam
> 


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