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The colon, or large intestine, is the final segment of the digestive system. Its primary functions include absorbing water and vitamins produced by gut bacteria and transforming waste from liquid to solid to form stool. In adults, the large intestine is approximately 5 feet long and consists of four main sections:
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Jeffrey Arnett's concept of emerging adulthood offers a framework to understand the unique developmental stage between adolescence and full-fledged adulthood, generally from ages 18 to 25. This period is marked by extensive exploration and shifts in identity, relationships, and career choices, a process known in psychology as role experimentation. Emerging adulthood reflects the evolving cultural expectations surrounding adulthood and the dynamic process of personal transformation during...
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In an underdamped second-order system, where the damping ratio ζ is between 0 and 1, a unit-step input results in a transfer function that, when transformed using the inverse Laplace method, reveals the output response. The output exhibits a damped sinusoidal oscillation, and the difference between the input and output is termed the error signal. This error signal also demonstrates damped oscillatory behavior. Eventually, as the system reaches a steady state, the error diminishes to zero.
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Emerging next-generation robotic colonoscopy systems towards painless colonoscopy.

Chung-Kwong Yeung1,2, Jo Lk Cheung1, Biji Sreedhar1

  • 1Bio-Medical Engineering (HK) Limited, Hong Kong SAR, China.

Journal of Digestive Diseases
|March 6, 2019
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Summary

Robotic colonoscopy offers a less invasive alternative to traditional methods, improving patient comfort and reducing risks. Single-use, sterile robotic scopes eliminate cross-contamination concerns, enhancing colon cancer screening adherence.

Keywords:
colonoscopycolorectal cancernew technologyrobotics

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Area of Science:

  • Medical Robotics
  • Gastroenterology
  • Minimally Invasive Procedures

Background:

  • Conventional colonoscopy devices are rigid, demanding significant endoscopist expertise and potentially causing patient discomfort and risks like perforation.
  • Reprocessing reusable colonoscopes presents challenges, including material degradation and the risk of cross-infection from pathogenic microorganisms.

Purpose of the Study:

  • To explore advancements in robotic colonoscopy systems designed to improve patient outcomes and adherence to colorectal cancer screening.
  • To address the limitations of traditional colonoscopes, focusing on enhanced safety, patient comfort, and infection control.

Main Methods:

  • Review of emerging robotic colonoscopy technologies and their design principles.
  • Analysis of the benefits of automated, flexible, and slender robotic designs compared to conventional rigid scopes.
  • Evaluation of the advantages of single-use, sterile robotic colonoscopes in mitigating infection risks.

Main Results:

  • Robot-assisted colonoscopic systems feature softer, more slender, automated designs, reducing the need for forceful insertion and lowering patient risks of perforation and pain.
  • Single-use robotic colonoscopes eliminate reprocessing challenges and contamination risks associated with reusable devices.
  • Technological advancements in robotic colonoscopy aim to make the procedure less invasive and more appealing to patients.

Conclusions:

  • Robotic colonoscopy represents a significant technological advancement in gastroenterology, offering improved safety and patient experience.
  • The adoption of sterile, single-use robotic scopes is crucial for enhancing patient safety and encouraging better compliance with colorectal cancer screening.
  • Further developments in robotic colonoscopy design and materials are necessary to promote patient adherence and reduce colorectal cancer incidence.