Endoscopic suturing device using new reciprocating curved needle

An Ex Vivo comparison study

Semi Yoon, Hyuk Soon Choi, Yoonjin Kim, Byung Gon Kim, Sei Hoon Park, Bora Keum, Yongnam Song, Daehie Hong, Hoon-Jai Chun

Research output: Contribution to journalArticle

Abstract

Many operation methods have been developed in an attempt to minimize operative stress. Gastrointestinal endoscopic surgery is a novel method in which a natural orifice is used to approach the target organ. With the endoscopic surgery, suturing is particularly important. The goal of this study is to develop an endoscopic suturing device and to demonstrate the feasibility of the device by showing the strength of closure. In the endoscopic closer (En-closer) technique, the wound is sutured with a curved needle using a reciprocating movement. After the mechanism implementation, we carried out a feasibility study on 10 porcine stomach models. Air leakage pressure was used to determine the strength of the perforation closure. Each endoscopic clip (endoclip) method and fullthickness stitches involved hand suturing was used 10 times to increase reliability. The average leakage pressure for the En-closer was 43.25mmHg. The average closer strength of the En-closer does not significantly differ from that of the endoclip, but standard deviation of the En-closer is significantly smaller than that of the endoclip. The En-closer had similar closure strength to that of the endoclips but showed a more consistent sequence than the endoclips. This research proposes a new approach for endoscopic suturing devices.

Original languageEnglish
Pages (from-to)1215-1219
Number of pages5
JournalInternational Journal of Precision Engineering and Manufacturing
Volume16
Issue number6
DOIs
Publication statusPublished - 2015 Jun 10

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Needles
Surgery
Leakage (fluid)
Orifices
Air

Keywords

  • Endoscope
  • NOTES
  • Surgery device
  • Suture

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Industrial and Manufacturing Engineering
  • Mechanical Engineering

Cite this

Endoscopic suturing device using new reciprocating curved needle : An Ex Vivo comparison study. / Yoon, Semi; Choi, Hyuk Soon; Kim, Yoonjin; Kim, Byung Gon; Park, Sei Hoon; Keum, Bora; Song, Yongnam; Hong, Daehie; Chun, Hoon-Jai.

In: International Journal of Precision Engineering and Manufacturing, Vol. 16, No. 6, 10.06.2015, p. 1215-1219.

Research output: Contribution to journalArticle

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