[Histonet] Flammable Sprays in Cryostats

[P Sicurello]

It's not safe to use any type of spray in a cryostat.  It creates aerosols
of who knows what (tuberculosis) from potentially infectious patient
biopsies.  I would not recommend it, just as a universal precaution.

Sincerely,

Paula Sicurello, HTL (ASCP)CM

Histotechnology Specialist

UC San Diego Health

9300 Campus Point Drive

La Jolla, CA 92037
(P): 858-249-5610



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On Wed, Sep 25, 2019 at 7:16 PM jasonhauser71--- via Histonet <
histonet at lists.utsouthwestern.edu> wrote:

> There are non flammable sprays available. We got the recall notice and
> switched our old inventory out. I found 3 different histology specific
> sprays. The electronic industry offers some as well. Another option is just
> using LN2 .Jason HauserSenior Histology TechnicianThe South Bend ClinicSent
> from my T-Mobile 4G LTE device------ Original message------From: AkemiDate:
> Wed, Sep 25, 2019 10:05 AMTo: Knutson, Deanne;Histonet;Cc: Subject:Re:
> [Histonet] Flammable Sprays in CryostatsWe are purchasing two of their
> newer UV cryostats and they were adamant that we use a non flammable
> freezing spray because it can damage the UV unit and have potential for
> exploding.
>
> Akemi Allison
>
> Sent from my iPhone
>
> > On Sep 25, 2019, at 7:50 AM, Knutson, Deanne via Histonet  wrote:
> >
> > I just received a letter from Leica Biosystems where they are
> prohibiting the usage of flammable
> > freezing sprays in their cryostats.  What are others using in their
> cryostats to instantly freeze specimens?
> >
> > Thank you.
> >
> >
> > Deanne Knutson
> > Supervisor
> > Anatomic Pathology
> > dknutson at primecare.org
> >
> >
> >
> >
> >
> >
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