Special Section Technical Briefs

Experimental Validation of an Air Retention Device for Colonoscopy1

[+] Author and Article Information
Carl A. Nelson

Department of Mechanical and Materials Engineering,
University of Nebraska–Lincoln,
Lincoln, NE 68588-0526
Department of Surgery,
University of Nebraska Medical Center,
Omaha, NE 68198-6245

Maria F. Sayago Capielo

Department of Mechanical Engineering,
University of Puerto Rico–Mayagüez,
Mayagüez, PR 00681

Michael R. McEniry

Department of Mechanical and Materials Engineering,
University of Nebraska–Lincoln,
Lincoln, NE 68588-0526

Accepted and presented at The Design of Medical Devices Conference (DMD2015), April 13–16, 2015, Minneapolis, MN, USA.

Manuscript received March 3, 2015; final manuscript received March 17, 2015; published online July 16, 2015. Editor: Arthur Erdman.

J. Med. Devices 9(3), 030927 (Sep 01, 2015) (2 pages) Paper No: MED-15-1083; doi: 10.1115/1.4030560 History: Received March 03, 2015; Revised March 17, 2015; Online July 16, 2015

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American Cancer Society, 2013, “Recommendations for Colorectal Cancer Early Detection,” accessed Oct. 5, 2013, http://www.cancer.org/cancer/colonandrectumcancer/moreinformation/colonandrectumcancerearlydetection/colorectal-cancer-early-detection-acs-recommendations
ASGE Technology Assessment Committee, 2013, “Methods of Luminal Distention for Colonoscopy,” Gastrointestinal Endoscopy, 77(4), pp. 519–525. [CrossRef] [PubMed]
McEniry, M. R., Nelson, C. A., Oborny, R. D., Glett, L. C., and Wolfe, J., 2014, “Air Retention Device for Colonoscopy Procedures,” ASME J. Med. Devices, 8(3), p. 030923 [CrossRef].
Huebner, M., Margulies, R. U., Fenner, D. E., Ashton-Miller, J. A., Bitar, K. A., and DeLancey, J. O. L., 2007, “Age Effects on Internal Anal Sphincter Thickness and Diameter,” Dis. Colon Rectum, 50(9), pp. 1405–1411. [CrossRef] [PubMed]


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Fig. 6

Insufflated colon simulator with simulated colonoscope inserted

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Fig. 5

Synthetic colon with air retention device inserted

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Fig. 4

Second prototype with wooden dowel inserted, representing the colonoscope

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Fig. 3

Synthetic-tissue colon simulator (Syndaver)

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Fig. 2

(a) Rubber seal and (b) acrylic template



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