Comment on

• A novel diagnostic tool for detecting functional patency of the small bowel: the Given patency capsule.

  Spada C, Spera G, Riccioni M, Biancone L, Petruzziello L, Tringali A, Familiari P, Marchese M, Onder G, Mutignani M, Perri V, Petruzziello C, Pallone F, Costamagna G. Spada C, et al. Endoscopy. 2005 Sep;37(9):793-800. doi: 10.1055/s-2005-870246. Endoscopy. 2005. PMID: 16116528
• Clinical evaluation of the use of the M2A patency capsule system before a capsule endoscopy procedure, in patients with known or suspected intestinal stenosis.

  Delvaux M, Ben Soussan E, Laurent V, Lerebours E, Gay G. Delvaux M, et al. Endoscopy. 2005 Sep;37(9):801-7. doi: 10.1055/s-2005-870241. Endoscopy. 2005. PMID: 16116529
• Does passage of a patency capsule indicate small-bowel patency? A prospective clinical trial?

  Boivin ML, Lochs H, Voderholzer WA. Boivin ML, et al. Endoscopy. 2005 Sep;37(9):808-15. doi: 10.1055/s-2005-870220. Endoscopy. 2005. PMID: 16116530