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COUNTING CHAMBER, FUSCH-ROSENTHAL, simple grid

https://unicat.msf.org/cat/product/13058
STD ELABCOCF1S-

Valid Article

Former Code(s): ELAECOCF1S-
CE marking: declaration that the product meets EU standards for health, safety, and environmental protection. The CE marking indicates that the product may be sold freely in any part of the European Economic Area, regardless of its country of origin.
W020201 - Cell count
European Medical Device Nomenclature (EMDN) is the nomenclature of use by manufacturers when registering their medical devices in the EUDAMED database. EMDN is characterised by its alphanumeric structure that is established in a seven-level hierarchical tree.
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OC subscriptions: included in supply or field order tools (e.g. UniField)
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COUNTING CHAMBER, FUSCH-ROSENTHAL

Definition

Slide designed by Fusch-Rosenthal used for counting the cells in the cerebrospinal fluid (CSF).

Used in the diagnosis of trypanosomiasis.

Synonym

Fusch-Rosenthal haemacytometer

Specifications

Material

Glass

Technical specifications

  • Meets the European standards for the calibrated class (optical size, high precision grid, optimal visibility)
  • Bright Line quality
  • Depth: 0.2 mm
  • Surface: 0.0625 mm2
  • Volume: 3.2 mm³
  • Simple engraved grid
  • Supplied with 2 glass planed cover slides (20 x 26 mm)
  • Reusable

Packaging & Labelling

Unit packaging.

(Cf Introduction: Packaging and labelling)

Instructions for use

The Fuchs-Rosenthal counting chamber is used to count cells in the cerebrospinal fluid (CSF) by observing through a microscope a calibrated grid of which the exact dimensions (including depth and volume) are known. A simple calculation allows the number of cells per ml or another volume unit to be determined.

For trypanosomiasis, two counts, and therefore two chambers, are needed for the same sample.

Allow for the liquid to settle after it has been placed in a wet chamber before counting.

Please consult the “Updated laboratory procedures, 2022” available online via the Laboratory working Group sharepoint page: Laboratory Procedures and Resources.

https://msfintl.sharepoint.com/sites/msfintlcommunities/LabWG/SitePages/Laboratory-Manual-page.aspx

For offline access, contact your laboratory advisor.

MSF requirements

High precision when counting the white blood cells.

For cerebrospinal fluid (CSF), simple grid chambers are recommended in order to avoid mixing the fluids of two different patients.

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