RE: [Histonet] Pathos (microwave processing) advantages

From:Rene J Buesa

  From the economical point of view a small unit like the RHS-1 is a better option, although it has 2 drawbacks: HT exposure to chemicals when operating manually the MW oven, and the possibility of inconsistency in the processing since it has to be manually operated.
  On the other hand a small unit processing 15-20 cassettes every 2 hours (processing of 0.42 h + 0.53 h pre-processing tasks + 0.53 h of post-processing tasks). If each such a small run is processed by individual HTs, you will have a flow consisting of 15-20 slides ready every half an hour after an initial delay of 1 hour. 
  The cost of the RHS-1 ( $38,000) is also a plus in the decision. 
  René J.

"Burton, Mark"  wrote:
  We are also interested in one of the Milestone microwave processors. A search of
the Histonet archives returned mostly positive reviews.

Can anyone add to this regarding the other Milestone models? Any major
disadvantages or problems with RHS1?

Thank you,

Mark Burton HTL (ASCP)
Brigham & Women's Hospital
Boston, MA 02149 

-----Original Message-----
[] On Behalf Of Douglas D
Sent: Monday, August 06, 2007 1:03 PM
To: 'Foshey, Annette';
Subject: RE: [Histonet] Pathos (microwave processing) advantages


We have had the Pathos for about 10 months. We can do a surgical specimen
run (breast and lipoma) in 5:05. No more reprocessing fatty specimens. You
can also mix in biopsies without damaging the tissue. You can process
non-fatty surgical specimens in less time of course. You can do rush cases
quickly for same-day diagnosis. This works well for liver and other stat
You can use conventional formalin or a substitute if desired. It uses
isopropyl alcohol as the clearing reagent. It is xylene free. It is fully
automated so you can start a delayed run if needed. It is easy to maintain
and chemical rotation and change is fully automated. It offers a wax
cleaning step so you don't have to change wax that often, just top it off.
The wax is in a separate retort so you do not have to wait for a cleaning
cycle to begin to start another run. Anything else you would like to know
feel free to ask.

Douglas D. Deltour HT(ASCP)
Histology Manager
Professional Pathology Services, PC
One Science Court
Suite 200
Columbia, SC 29203
Office (803)252-1913
Fax (803)254-3262 
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-----Original Message-----
[] On Behalf Of Foshey,
Sent: Monday, August 06, 2007 10:02 AM
Subject: [Histonet] Pathos (microwave processing) advantages

I am interested in all the advantages the Pathos microwave processing
has over conventional processing. If anyone is experienced with this
please comment. Thank you.

Annette Foshey, HT (ASCP)
Team Leader in Histology
Children's Hospital of Wisconsin
414-266-6580 Fax 414-266-2779


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