The Watson peroral small intestinal biopsy capsule was a system used through from the 1960s to obtain small intestinal wall biopsies in patients with suspected coeliac disease and other diseases affecting the proximal small bowel.[1]

A similar device known as the Crosby-Kugler capsule was also developed in the 1950s and utilized for similar purposes.


  1. ^ Dady, Ian M; Thomas, Adrian G.; Miller, Victor; Kelsey, Anna J. (1996). "Inflammatory Bowel Disease in Infancy: An Increasing Problem?". Journal of Pediatric Gastroenterology & Nutrition. 23 (5). Lippincott-Raven: 568–576. doi:10.1097/00005176-199612000-00010. PMID 8985847.