CALEX® Cap Stool Extraction Devices

The BÜHLMANN CALEX® Cap has been introduced to fulfill the requirements of convenient and safe stool extraction. The optimized dilution of stool sample yields maximum extraction efficiency while offering a stability of the extracts for 7 days at room temperature. CALEX® Cap is the first and only stool extraction device suitable for safe air and land transportation according to IATA 650 (UN3373) regulations. The extraction using CALEX® Cap not only offers hygienic stool sampling but is a highly precise 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 newly introduced BÜHLMANN fCAL® turbo, the random access immunoturbidimetric calprotectin assay. 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 extraction device was introduced in combination with IBDoc® combining stool extraction 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