Re: [Histonet] VIP Problem

From:"Joe Nocito"

I bet it's the rotary valve. For the longest time we were getting formalin 
in our xylenes. Turned out to be the rotary valve.  Good luck.

Histology Manager
Pathology Reference Lab
San Antonio, TX
----- Original Message ----- 
From: "Laurie Colbert" 
Sent: Wednesday, August 30, 2006 1:37 PM
Subject: [Histonet] VIP Problem

We had a problem with our VIP 5 the other night, and our service rep can't 
find anything wrong with it.  There is no error code showing to indicate 
what might have happened.  I'm wondering if anyone has had a similar 

When the pathologist put the blocks on the processor on Sunday, she said the 
retort was very hot - hotter than usual.  When our tech went in Monday 
morning, he said the formalin smell was overbearing when he opened the 
retort.  The blocks had been in paraffin, but they looked dry and they were 
not processed well at all (we had to reprocess everything).  We add eosin to 
the 95% alcohol so that the tissue will be colored, but the tissue was not 
colored at all on this day, so we're pretty sure they didn't go into the 95% 
alcohol - and probably not into any of the alcohols.  We also discovered a 
little bit of formalin in the last paraffin.

I've heard of condensation forming on the lid of the retort and dripping 
down into the solutions, and this may have happened, but something else also 
happened.  Does anyone have any ideas??

Laurie Colbert
Huntington Hospital

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