Ingestible devices for long-term gastrointestinal residency: A review

Musharrat Mustaree Mau, Sunandita Sarker, Benjamin S. Terry

Research output: Contribution to journalReview articlepeer-review

7 Scopus citations


Ingestible devices have been gaining attention from the medical community due to their noninvasive use in diagnostics and treatment of the gastrointestinal (GI) tract. However, their passive locomotion limits their GI residency period. Ingestible sensors residing in the GI tract are capable of providing continuous data, while long-acting ingestible drug delivery systems can reduce medication nonadherence. This paper presents a comprehensive overview of the state-of-the-art, long-term ingestible devices (LTIDs). Additionally, this review summarizes the current status of ingestible devices that persist in the GI tract for a prolonged period, as well as their inhabitance mechanisms and applications. Also included are relevant information about the GI structure and design considerations for understanding the significance and challenges associated with LTIDs. Finally, we discuss several potential applications of the LTIDs for therapeutic intervention in the GI tract and monitoring the physiology and pathophysiology of the GI tract for an extended period.

Original languageEnglish (US)
Article number042001
JournalProgress in Biomedical Engineering
Issue number4
StatePublished - Oct 2021


  • Biosensing
  • Capsule robots
  • Gastrointestinal resident
  • Long-term ingestible device
  • Prolonged drug delivery

ASJC Scopus subject areas

  • Biomedical Engineering


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