Biopsy of the small intestine with the Crosby-Kugler capsule.

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

The device became known as the Crosby-Kugler capsule, and its patent was assigned by Walter Reed to the two inventors.

A Crosby-Kugler capsule is a device used for obtaining biopsies of small bowel mucosa, necessary for the diagnosis of various small bowel diseases.