Ron and Ned,

I should add that none of our centrifuge products have direct patient contact.
They are generic lab centrifuge equipment.

Paul S

From: Ronald R. Wellman [mailto:[email protected]]
Sent: Wednesday, October 15, 2003 10:30 AM
To: Ned Devine; Smith, Paul J.; [email protected]
Subject: RE: centrifuges and the MDD


Hello Ned,

Here is a copy of Rule 3:
---

1.3. Rule 3

All non-invasive devices intended for modifying the biological or chemical 
composition of blood, other
body liquids or other liquids intended for infusion into the body are in 
Class llb, unless the treatment
consists of filtration, centrifugation or exchanges of gas, heat, in which 
case they are in Class IIa.

---

If a centrifuge is "intended" to modify blood for infusion into the human 
body, you are probably right about it needing to be Class IIa. However, 
centrifuges are used for many other things other than spinning body 
liquids. It would appear that the centrifuge manufacturer will need to make 
the appropriate claims for their product if they want it to be considered a 
medical device under the MDD.

Best regards,
Ron Wellman

At 08:06 AM 10/15/2003 -0400, Ned Devine wrote:

>Paul,
>
>If the centrifuge is used for blood, then it is covered under the MDD.
>It is classified under Rule 3 and is a Class IIa device.  See the MEDDEV
>Guidelines for the Classification of Medical Device.  "Centrifugation of
>blood to prepare it for transfusion or autotransfusion."
>
>
>Ned Devine
>Entela, Inc.
>3033 Madison Ave. SE
>Grand Rapids, MI  49548
>
>Phone: 616 248 9671
>Fax: 616 574 9752
>e-mail: [email protected]
>www.entela.com
>
>
>
>-----Original Message-----
>From: Smith, Paul J. [mailto:[email protected]]
>Sent: Tuesday, October 14, 2003 5:11 PM
>To: [email protected]
>Subject: centrifuges and the MDD
>
>
>
>List Members,
>
>There is persistent question on whether centrifuges are covered under
>the MDD or LVD. Can anyone point to any info that specifically calls out
>centrifuges as product covered under the MDD?
>
>I have found only a very vague description of covered products but
>nothing that conclusively includes centrifuges as a product covered
>under the Medical Device Directive.
>
>Best Regards,
>
>Paul J. Smith
>Standards Engineer
>
>
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