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Endoscope apparatus

a technology of endoscope and endoscope, which is applied in the field of endoscope apparatus, can solve the problems of operator to confront insertion difficulty and inexperienced operators

Inactive Publication Date: 2008-01-10
OLYMPUS MEDICAL SYST CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0009] An endoscope apparatus according to the present invention comprises: an insertion portion having an observation optical system attached onto the distal end thereof having flexibility; a thrust generating portion for generating a thrust by rotation, formed beyond a predetermined length on an outer-peripheral surface of the

Problems solved by technology

An inexperienced operator may lose track of an insertion direction while inserting an insertion portion to a deep region, which may cause the operator to confront insertion difficulty.

Method used

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Embodiment Construction

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[0023] Embodiment of the present invention will now be described in detail with reference to the drawings.

[0024] Referring to FIGS. 1 to 5, a first embodiment of the present invention will be described below. FIG. 1 shows an overall configuration of an endoscope apparatus in a first embodiment according to the present invention, FIG. 2 shows a configuration of a connection portion between an endoscope insertion portion and an endoscope rotation device, FIG. 3 shows an internal configuration of the endoscope insertion portion and that of the rotation device 3, and FIGS. 4 and 5 show a configuration of an insertion guide portion, respectively.

[0025] As shown in FIG. 1, an endoscope apparatus 1 in a first embodiment according to the present invention comprises an endoscope insertion portion 2, a rotation device 3, a protective tube 4, a video processor 5, a monitor 6, an insertion guide portion 9 and an insertion length calculation circuit 10.

[0026] The endoscope insertion portion ...

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PUM

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Abstract

An endoscope apparatus comprises an insertion portion having an observation optical system attached onto the distal end portion thereof and having flexibility, a thrust generating portion for generating a thrust by rotation, formed beyond a predetermined length on an outer-peripheral surface of the insertion portion in a longitudinal-axis direction, a rotation device for rotating the thrust generating portion around the longitudinal axis, and a control portion for controlling a rotational speed of the thrust generating portion according to an insertion length of the thrust generating portion inserted in a subject.

Description

CROSS REFERENCE TO RELATED APPLICATION [0001] This application is a continuation application of PCT / JP2006 / 302380 filed on Feb. 10, 2006 and claims benefit of Japanese Application No. 2005-047851 filed in Japan on Feb. 23, 2005, the entire contents of which are incorporated herein by this reference.BACKGROUND OF THE INVENTION [0002] 1. Field of the Invention [0003] The present invention relates to an endoscope apparatus suited to smoothly insert a flexible insertion portion into a bending body cavity. [0004] 2. Description of the Related Art [0005] There has been widely available an endoscope which can observe organs in a body cavity and perform various types of treatments and procedures by inserting a flexible insertion portion into the body cavity such as a large intestine. [0006] Considerable skill is required to smoothly insert an insertion portion into a body cavity complexly bending like a large intestine. An inexperienced operator may lose track of an insertion direction whil...

Claims

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Application Information

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IPC IPC(8): A61B1/00A61B1/04
CPCA61B1/00147A61B1/00156A61B1/005A61B2018/00208A61B1/0016A61B2018/00196A61B2018/00202A61B1/00133A61B1/00148A61B1/009
Inventor KURA, YASUHITO
Owner OLYMPUS MEDICAL SYST CORP
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