NDLI: Analysis of the knot-tying force in dog models

Content Provider	IEEE Xplore Digital Library
Author	Oguma, J. Ozawa, S. Morikawa, Y. Furukawa, T. Kitajima, M. Nakazawa, K. Ohnishi, K.
Copyright Year	2004
Description	Author affiliation: Dept. of Surg., Keio Univ., Tokyo, Japan (Oguma, J.; Ozawa, S.; Morikawa, Y.; Furukawa, T.; Kitajima, M.; Nakazawa, K.; Ohnishi, K.)
Abstract	From our experience of endoscopic surgery using the surgical robot da Vinci at our hospital, it has become clear 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 jejenum of Beagle dogs, using a series of knot-tying forces (0.5-5.0 N). The jejenum was then removed on the 4/sup th/, 7/sup th/, 11/sup th/ and 14/sup th/ postoperative days, and the microvessel density for each force was measured to determine the appropriate knot-tying force for the jejenum. The microvessel density in the submucosa on the 7/sup th/ and 11/sup th/ postoperative days was significantly higher for the knot-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 jejenum. 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.
Sponsorship	IEEE Industrial Electron. Soc. Inst. of Haptics Eng. Soc. Keio Univ
Starting Page	223
Ending Page	225
File Size	215582
Page Count	3
File Format	PDF
ISBN	0780383001
DOI	10.1109/AMC.2004.1297670
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-03-28
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wounds Robot sensing systems Medical robotics Intestines Hospitals Abdomen
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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