Tracheal reaction to three different intraluminal stents in an animal model of tracheomalacia

Mark Weinberg, Judith Sandbank, Yoseph Flumenblit, Baruch Klin, Itzhak Vinograd*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Three different internal airway stents were studied in an animal model of tracheomalacia: the Palmaz stent (Johnson & Johnson, Warren, New Jersey) and the NIR stent (Medinol Ltd., Tel Aviv, Israel)-both made of stainless steel in the form of tubular mesh-and the Nitinol stent, made of nickel-titanium formed into a spiral shape. All three stents could be adequately stabilized in the malacic tracheal segment. The Nitinol stent (Medinol Ltd., Tel Aviv, Israel) proved to be less reactive to the tracheal mucosa, demonstrated higher biocompatibility with significantly less granulation tissue formation, and showed superior radial resistance. Extraction of the Nitinol stent also proved to be much smoother. This stent may be the stent of choice in the treatment of tracheo- and bronchomalacia.

Original languageEnglish
Pages (from-to)333-337
Number of pages5
JournalJournal of Laparoendoscopic and Advanced Surgical Techniques - Part A
Issue number3
StatePublished - Jun 2005


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