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Technical Brief

Detection of Looping During Colonoscopy Using Embedded Sensors1

[+] Author and Article Information
Mike Bruce, David Drozek

Department of Mechanical Engineering,
Ohio University,
251 Stocker Center,
Athens, OH 45701-2979

JungHun Choi

Department of Mechanical Engineering,
Biomedical Engineering Program,
Ohio University,
251 Stocker Center,
Athens, OH 45701-2979

Accepted and presented at the Design of Medical Devices Conference (DMD2014), Minneapolis, MN, April 7-10, 2014. DOI: 10.1115/1.4027122

Manuscript received February 21, 2014; final manuscript received March 3, 2014; published online July 21, 2014. Editor: Arthur G. Erdman.

J. Med. Devices 8(3), 030954 (Jul 21, 2014) (2 pages) Paper No: MED-14-1128; doi: 10.1115/1.4027122 History: Received February 21, 2014; Revised March 03, 2014

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References

Shah, S. G., Saunders, B. P., Brooker, J. C., and Williams, C. B., 2000, “Magnetic Imaging of Colonoscopy: An Audit of Looping, Accuracy and Ancillary Maneuvers,” Gastrointest. Endoscopy, 52(1), pp. 1–8. [CrossRef]
Sato, K., Fujinuma, S., and Sakai, Y., 2006, “Evaluation of the Looping Formation and Pain During Insertion Into the Cecum in Colonoscopy,” Digestive Endoscopy, 18(3), pp. 181–187. [CrossRef]
Korman Y.Louis, Overholt F.Bergein, Box, T., and WinkerCynthia, 2003 “Perforation During Colonoscopy in Endoscopic Ambulatory Surgical Centers,” Gastrointest. Endoscopy, 58(4), pp. 554–557. [CrossRef]
Church, J. M., 1993, “Ancillary Colonoscope Insertion Techniques. An Evaluation,” Surg. Endoscopy, 7(3), pp. 191–193. [CrossRef]

Figures

Grahic Jump Location
Fig. 1

Individual joint module with potentiometer attached. This joint allows pivoting about a single axis.

Grahic Jump Location
Fig. 2

Complete system setup showing power supply, data acquisition device, link system and voltage readings

Grahic Jump Location
Fig. 3

Model configurations in experimental setup are shown. (a) Shows a straight line, base reading. (b) Shows alpha loop as commonly found in colonoscope.

Grahic Jump Location
Fig. 4

matlab code showing the graphical representation of the model from acquired sensor signals. (a) Shows the straightline, base reading, while (b) shows the alpha loop

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