Recording forces exerted on the bowel during colonoscopy: In vitro evaluation
Dogramadzi, S., Virk, G. S., Bell, G. D., Rowland, R. S. and Hancock, J. (2005) Recording forces exerted on the bowel during colonoscopy: In vitro evaluation. The International Journal of Medical Robotics and Computer Assisted Surgery, 1 (4). pp. 89-97. ISSN 1478-596X Available from: http://eprints.uwe.ac.uk/5917
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Publisher's URL: http://dx.doi.org/10.1002/rcs.61
A novel system for distributed force measurement between the bowel wall and the shaft of the colonoscope is presented. The system, based on the piezoresistive method, involves the integration of soft miniature transducers to a colonoscope to enable a wide range of forces to be sensed while attached sensing sheath does not restrict the propulsion of the colonscope nor notably alter its flexibility. The tactile force measuring sensors have provided preliminary results from experiments on a model of the large bowel. The measurements confirm the predictions that forces are exerted while the instrument is looping.