CALEX® Cap Stool Preparation Device

The BÜHLMANN CALEX® Cap has been introduced to fulfill the requirements of convenient and safe stool preparation. The optimized dilution of stool sample yields maximum extraction efficiency while offering a stability of the extracts for various days at room temperature. CALEX® Cap is the first and only stool preparation device suitable for safe air and land transportation according to IATA 650 (UN3373) regulations. The preparation using CALEX® Cap not only offers hygienic stool sampling, but is also a highly precise, quantitative stool extraction device characterized by an outstanding correlation to the gold standard manual extraction.

Furthermore, the design of the CALEX® Cap is fully compatible with automated procedures such as the BÜHLMANN fCAL® turbo and the BÜHLMANN fPELA® turbo, the random access immunoturbidimetric calprotectin and pancreatic elastase assays, respectively. Optimized dilution of stool extracts provides access to any of BÜHLMANN calprotectin assays such as Quantum Blue® and the BÜHLMANN fCAL® ELISA.


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The CALEX® Valve stool preparation device was introduced in combination with IBDoc® combining stool preparation and pipetting in one device. It is based on the CALEX® Cap but features a valve that allows the release of a specified amount of stool extract directly onto a lateral flow test cassette. CALEX® Valve is intended for use in the BÜHLMANN calprotectin home testing application IBDoc®.

 Product Information

Sample Dilution 1:500
Storage 2-28°C until the expiration date
Available Pack Size 50, 200 or 500
Extraction Time <20 minutes
Order Code B-CALEX-C50 / B-CALEX-C200 / B-CALEX-C500