Analysis of the knot-tying force in dog models

Junya Oguma, Soji Ozawa, Vasuhide Morikawa, Toshiharu Furukawa, Masaki Kitajima, Kazuo Nakazawa, Kouhei Ohnishi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

From our experience of endoscopic surgery using the surgical robot da Vinci at our hospital, it has become dear that the lack of a sense of touch of the forceps makes meticulous operations difficult For the development of a surgical robot that would impart a sense of touch, we investigated the appropriate knot-tying force by determining the relation between this force and wound healing in dog models. We cut and then sutured the jejnum of Beagle dogs, using a series of knot-tying forces (03-5.0 N). The jejunum was then removed on the 4 th,7 th,11 th and 14 th postoperative days, and the microvessd density for each force was measured to determine the appropriate knot-tying force for the jejunum. The microvessd density in the submucosa on the 7 th and 11 th postoperative days was significantly higher for theknot-tying force of 1.5 N than for other forces used. Thus, the results of our study suggested that a knot-tying force of 1.5 N was the most appropriate force for suturing of wounds of the jejnum. We consider that this result would be useful for the development of a surgical robot that imparts a sense of touch to the surgeon's hand.

Original languageEnglish
Title of host publicationInternational Workshop on Advanced Motion Control, AMC
Pages223-225
Number of pages3
Publication statusPublished - 2004
EventProceedings - 8th IEEE International Workshop on Advanced Motion Control, AMC'04 - Kawasaki, Japan
Duration: 2004 Mar 252004 Mar 28

Other

OtherProceedings - 8th IEEE International Workshop on Advanced Motion Control, AMC'04
CountryJapan
CityKawasaki
Period04/3/2504/3/28

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Surgery
Robotic surgery

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Oguma, J., Ozawa, S., Morikawa, V., Furukawa, T., Kitajima, M., Nakazawa, K., & Ohnishi, K. (2004). Analysis of the knot-tying force in dog models. In International Workshop on Advanced Motion Control, AMC (pp. 223-225)

Analysis of the knot-tying force in dog models. / Oguma, Junya; Ozawa, Soji; Morikawa, Vasuhide; Furukawa, Toshiharu; Kitajima, Masaki; Nakazawa, Kazuo; Ohnishi, Kouhei.

International Workshop on Advanced Motion Control, AMC. 2004. p. 223-225.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Oguma, J, Ozawa, S, Morikawa, V, Furukawa, T, Kitajima, M, Nakazawa, K & Ohnishi, K 2004, Analysis of the knot-tying force in dog models. in International Workshop on Advanced Motion Control, AMC. pp. 223-225, Proceedings - 8th IEEE International Workshop on Advanced Motion Control, AMC'04, Kawasaki, Japan, 04/3/25.
Oguma J, Ozawa S, Morikawa V, Furukawa T, Kitajima M, Nakazawa K et al. Analysis of the knot-tying force in dog models. In International Workshop on Advanced Motion Control, AMC. 2004. p. 223-225
Oguma, Junya ; Ozawa, Soji ; Morikawa, Vasuhide ; Furukawa, Toshiharu ; Kitajima, Masaki ; Nakazawa, Kazuo ; Ohnishi, Kouhei. / Analysis of the knot-tying force in dog models. International Workshop on Advanced Motion Control, AMC. 2004. pp. 223-225
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