PubMed · 8304321
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H E Bray, C E Brady. 1994. Colon trek: the next generation?. https://pubmed.ncbi.nlm.nih.gov/8304321/
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Colonoscopy involves advancing a flexible endoscope into and along the entire length of the colon. The procedure can be painful and carries the risk of perforating the organ, yet very little is known of the forces involved. A device to measure the forces exerted on the endoscope during colonoscopy is described. The device features a handle designed in the shape of a hinged split cylinder that locks around the endoscope, gripping it tightly. The handle has two parts, an inner part that grips the endoscope, and an outer part that is gripped by the endoscopist. The two parts are joined together by members that transmit the forces through to the endoscope. One of the members incorporates strain gauges that measure the torque applied to the endoscope, as well as the push and pull forces. The handle can easily be unlocked and moved along the endoscope as the colonoscopy proceeds. The device is used to measure the forces applied to the endoscope during 11 routine colonoscopies, and summary results are presented. These are believed to be the first accurate measurements of the forces exerted during colonoscopy.
This article reviews recently reported patient-to-patient transmission of disease during endoscopic procedures and discusses several important instrument reprocessing issues. In addition, the author offers several infection control recommendations to minimize the risk of patient infection during endoscopic procedures.
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