[Histonet] Reagent change on tissue processors

Jay Lundgren jaylundgren <@t> gmail.com
Mon Nov 25 16:12:06 CST 2013

For registry quality slides, rotate everything except paraffin every 200
blocks (basically every day unless you do tiny runs).  Rotate paraffin
weekly, sooner if it starts smelling strongly of clearant.  But then, I'm
conservative, and I was trained where reagents were free.

                                                 Jay A. Lundgren, M.S., HTL

On Mon, Nov 25, 2013 at 10:43 AM, Vickroy, Jim <Vickroy.Jim <@t> mhsil.com>wrote:

> In the past we had a fewer number of processors and fewer variables so we
> based changing our chemicals on the day of the week.   Now since we have
> more machines for better workflow purposes we believe changing should be
> based on  number of cassettes run through each machine.   Of course then we
> have to figure number of cassettes with processing sponges and should the
> number  of cassettes be different on the machine we run our fatty tissue.
>  I have talked to a few people and they change their machines after
> anywhere from 300 - 600 cassettes.  I know we need to establish the best
> setup for ourselves but it would be nice to hear what others are doing.
> We've come a long way from the past where every Wednesday we dumped all of
> the reagents and including all of the 100%'s and the clearing agents. (We
> rotate them now every other day.)
> Thanks for your input.
> James Vickroy BS, HT(ASCP)
> Surgical  and Autopsy Pathology Technical Supervisor
> Memorial Medical Center
> 217-788-4046
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