Compression automation of circular stapler for preventing compression injury on gastrointestinal anastomosis

Background Conventional manual compression relies on the surgeon's subjective sensations, so excessive compression can cause tissue injury to the stapling line of the intestinal anastomosis. Methods Automatic compression monitoring and compression control system was developed for circular stapl...

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Bibliographic Details
Published in:The international journal of medical robotics + computer assisted surgery 2022-06, Vol.18 (3), p.e2374-n/a
Main Authors: Kim, Jin‐Seok, Park, Sang‐Ho, Kim, Nam‐Su, Lee, In Young, Jung, Hyun Seok, Ahn, Hong‐Min, Son, Gyung Mo, Baek, Kwang‐Ryul
Format: Article
Language:English
Subjects:
actuators
Collagen
colorectal
computer assisted surgery
Control equipment
Control systems
gastrointestinal
Injury prevention
minimal invasive surgery
Original
Peak pressure
reconstruction
sensors
Surgical anastomosis
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Summary:Background Conventional manual compression relies on the surgeon's subjective sensations, so excessive compression can cause tissue injury to the stapling line of the intestinal anastomosis. Methods Automatic compression monitoring and compression control system was developed for circular stapler. The tissue injury related compression variables were evaluated and accommodated by compression control device. The compression injury‐reducing performance was verified on collagen sheets of in vitro experiments. Results Excessive pressure and tissue deformation were associated with compression‐induced tissue damages. The safe pressure range was very narrow in weaker tissue than normal collagen. The automatic system performed proper compression within a safe pressure range without tissue injury. Conclusions Manual compression of circular stapler could cause tissue injuries by excessive pressure and tissue deformation. Our automatic compression system is designed to control peak pressure to prevent the compressive tissue injury.
ISSN:1478-5951
1478-596X
DOI:10.1002/rcs.2374