Abstract

The aim of this pilot test was to test a new self-locking resorbable implant for hilum occlusion during a video-assisted thoracoscopic lung lobectomy in a surviving pig model. Once the thoracic cavity was assessed and structures identified, the right middle lobe and its respective hilum were exposed. The implant was introduced with a semiclosed loop through a working channel and positioned around the pulmonary lobe. Occlusion was performed with a conventional Crile forceps and a laparoscopic Kelly forceps. Lobe section was done with laparoscopic Metzenbaum scissors and tissue removal through the dorsal access. No signs of pneumothorax or bleeding were observed during a 60-day follow-up. Necropsy findings showed minimal pleuritis in caudal access and in the lobar stump. A granulomatous formation was found around a dense, amorphous material, which was identified as remains of a small part of the implant. Histopathological findings showed signs of a chronic healing process without other alterations. The resorbable implant LigaTie appears to exhibit similar handling and application characteristics during surgery as nonsurgical tie wraps. The resorbable implant avoids the uncontrolled substances not suitable for implants of conventional ties. The results of this pilot test suggested the resorbable implant's mechanical properties provided effective tissue support to complete the healing of the pulmonary hilum.

Keywords

VATS; videosurgery; swine; tie wrap; glycolide; trimethylene carbonate

Published in

Surgical Innovation
2018, Volume: 25, number: 2, pages: 158-164

SLU Authors

• Höglund, Odd

  • Department of Clinical Sciences, Swedish University of Agricultural Sciences
    
  • Resorbable Devices

UKÄ Subject classification

Surgery
Biomaterials Science


Publication identifier

DOI: https://doi.org/10.1177/1553350617751293

Permanent link to this page (URI)

https://res.slu.se/id/publ/96159