Sharp Foreign Bodies of the Aero-Digestive Tract: Endoscopic Removal by the ‘Kangaroo’ Technique

  • Minu Bajpai
  • Prabudh GoelEmail author
  • Alisha Gupta
  • Abhimanyu Varshney
Original Article


Removal of sharp foreign bodies in the aero-digestive tract may inflict iatrogenic damage to the esophagus, trachea or other vital structures in case of impalement. We describe the ‘Kangarootechnique for safe and effective removal of sharp objects from the upper aero-digestive tracts. Index Case 1: 1-year old boy presented to us with an open (un)safety-pin lodged in the upper esophagus. The technique of removal of the pin by the Kangaroo technique, along-with the mechanics of en-pouching the (un)safety-pin has been described. Index Case 2: 8 years old boy presented with accidental aspiration of a razor blade. The removal of the blade from his trachea was executed by the Kangaroo technique. The Kangaroo technique is described for safe endoscopic extraction of sharp foreign body from the aero-digestive tract while protecting the surrounding tissues, to maintain control of the object during extraction and to avoid causing iatrogenic damage by enclosing the foreign body in a ‘kangaroo pouch’. The advantages and limitations of the technique have been discussed. The Kangaroo technique is safe, effective and reproducible way to effect removal of sharp object from the aerodigestive tract while preventing iatrogenic injury to the surrounding organs.


Kangaroo technique Sharp foreign body Aero-digestive tract Safety-pin Razor blade Bronchoscopy Esophagoscopy 


Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no conflict of interest.

Informed Consent

Informed written consent has been obtained from all participants included in this study.


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Copyright information

© Association of Otolaryngologists of India 2019

Authors and Affiliations

  1. 1.Department of Pediatric SurgeryAll India Institute of Medical SciencesNew DelhiIndia

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