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Using an Infra-red Sensor to Measure the Dynamic Behaviour of N2O Gas Escaping Through Different Sized Holes

  • Alan Slade
  • Jan Vorstius
  • Daniel Gonçalves
  • Gareth Thomson
Chapter
Part of the Lecture Notes in Computational Vision and Biomechanics book series (LNCVB, volume 1)

Abstract

An anastomosis is a surgical procedure that consists of the re-connection of two parts of an organ and is commonly required in cases of colorectal cancer. Approximately 80% of the patients diagnosed with this problem require surgery. The malignant tissue located on the gastrointestinal track must be resected and the most common procedure adopted is the anastomosis. Studies made with 2,980 patients that had this procedure, show that the leakage through the anastomosis was 5.1%. This paper discusses the dynamic behavior of N2O gas through different sized leakages as detected by an Infra-Red gas sensor and how the sensors response time changes depending on the leakage size. Different sized holes were made in the rigid tube to simulate an anastomostic leakage. N2O gas was injected into the tube through a pipe and the leakage rate measured by the infra-red gas sensor. Tests were also made experimentally also using a CFD (Computational Fluid Dynamics) package called FloWorks. The results will be compared and discussed in this paper.

Keywords

Nitrous Oxide Anastomotic Leak Leak Detection Testing Ring Rigid Tube 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

The authors wish to acknowledge the support given by the Engineering & Physical Sciences Research Council to this work, under Grant ref. EP/D003040/1.

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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • Alan Slade
    • 1
  • Jan Vorstius
    • 1
  • Daniel Gonçalves
    • 1
  • Gareth Thomson
    • 2
  1. 1.Medical Engineering Research InstituteUniversity of DundeeDundeeUK
  2. 2.School of Engineering and Applied ScienceAston UniversityBirminghamUK

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