Related Experiment Videos
[A study of new retrievable expandable metallic stent]
Nihon Igaku Hoshasen Gakkai Zasshi. Nippon Acta Radiologica
|August 25, 1991
Summary
Improved retrievable expandable metallic stents (REMS) utilize a stainless steel thread for easier removal. This enhanced stent design was successfully retrieved from canine IVC after one week, showing promise for clinical use.
Area of Science:
- Medical Devices
- Surgical Technology
- Biomaterials
Context:
- Nylon sutures pose limitations in stent retrieval.
- Existing stent removal methods can be challenging.
- Need for improved retrievable stent designs.
Purpose:
- To develop and evaluate an improved retrievable expandable metallic stent (REMS).
- To assess the efficacy and safety of a novel stainless steel thread retrieval system for REMS.
Summary:
- The improved REMS incorporates a stainless steel thread instead of nylon sutures for enhanced retrievability.
- The stainless steel thread allows for fluoroscopic visualization and strong retraction of the stent.
- Canine inferior vena cava (IVC) implantation demonstrated successful stent removal after one week, but not after two weeks.
Impact:
- Suggests REMS is a potentially useful and safe option for clinical applications.
- Highlights the importance of retrieval timeframes for metallic stent removal.
- Paves the way for further investigation into clinical feasibility and long-term safety.