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Keiichi Arai

Publications -  15
Citations -  1416

Keiichi Arai is an academic researcher. The author has contributed to research in topics: Endoscope & Layer (electronics). The author has an hindex of 10, co-authored 15 publications receiving 1416 citations.

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Patent

Endoscopic surgery apparatus

TL;DR: In this paper, an endoscopic surgery apparatus for performing treating operation in a body cavity of a patient with the use of treating tools in combination with an endoscope is presented, in which insertion sections allowing the insertion of the treating tools are externally arranged in a side-by-side fashion with an insertion section of the endoscope set between these insertion sections and a balloon is provided near a distal end of the insertion section to adjust a relative distance between the insertion sections relative to the insertion part.
Patent

Flexible, multilayered tube

TL;DR: A flexible, multilayered tube with superior chemical resistance, heat resistance, and airtightness, as well as superior flexibility and resistance of the inner surface to staining, is presented in this article.
Patent

Endoscopic treatment instrument

TL;DR: In this article, a treatment endoscope and treatment tool units are inserted to the inner hole of a tool introducing guide tube 21 to be inserted to a celom so as to be freely retrogressing possible, the horizontal cross section shapes of the endoscope 23 and the units are provided with an arc part with a diameter being a little smaller than that of the outer hole of the guide tube.
Patent

Endoscope for treatment

TL;DR: In this paper, an endoscope with at least two channels for passing through a treatment tool was used to easily treat the tissue part of an affected part or the like over a wide range.
Patent

Endoscope system including both reusable-type and cover-type endoscopes

TL;DR: An endoscope system provided with an electronic or optical endoscope is provided therein with an illuminating optical system, an observation optical systems, a flow passage system and a forceps channel as mentioned in this paper.