Device for collecting a biological sample

A device for collecting a biological sample in a patient, the device comprising

• a collection portion in fluid communication with a flexible tubular member, the collection portion and the tubular member each respectively provided with a size and shape sufficiently dimensioned to intubate the patient, the collection portion having a relatively larger exterior dimension, along its length, than the tubular member,
• a first rigid axial end portion and a second expandable axial end portion defining the collection portion, the second axial end portion being designed to bias between a collapsed position where the second axial end portion extends axially into the first axial end portion and has a concave shape and an expanded position where the second axial end portion extends from the first axial end portion and has a convex shape, and
• circumferentially extending ribs (i) positioned between adjacent tissue collecting members arranged in rows about the second axial end portion and (ii) configured to move along with the second axial end portion when it is biased between the collapsed position and the expanded position, the tissue collecting members being shaped to receive the biological sample.