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The EndoSign® Cell collection device is to be used for the collection of cells from the surface of the oesophagus for molecular, cytological and histological analyses.

The EndoSign® Cell collection device is to be used for the collection of cells from the surface of the oesophagus for molecular, cytological and histological analyses. It is a non-sterile low risk, transient use, minimally invasive, single use, oesophageal cell collection device designed for use by trained and qualified medical professionals. The device is composed of a clear, size 00 capsule made from vegetable-derived material. The capsule houses a 30mm compressed spherical sponge and is connected to a non-absorbable silicone-coated braided polyester thread, secured to a clear polycarbonate applicator. The patient swallows the capsule along with the bundled thread, and as it travels through the oesophagus, the capsule dissolves allowing the sponge to expand and release. The thread is then gently pulled to retrieve the sponge, which collects cells from the lining of the oesophagus as it is removed. The device is used to collect cell samples which are further analyzed for identification of disease biomarkers. The results of the test will be used to assess patients suspected of oesophageal pathologies such as Barrett's oesophageal cancer, eosinophilic esophagitis, and other abnormalities.