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Capsular endoscopic system

A technology for capsule endoscopes and subjects, applied in endoscopes, in vivo radio detectors, medical science, etc., can solve the problem of unobtrusive observation of the inner wall of the lumen and the inability of capsule endoscopes to distinguish the direction of travel, etc. question

Active Publication Date: 2011-09-07
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, when trying to push the capsule endoscope into a complex lumen with many folds and a large lumen diameter such as the large intestine, there is a problem that the capsule endoscope may be caught in the folds. When the direction of travel cannot be discerned, it is difficult to perform proper advance control while observing the inner wall of the lumen without omission

Method used

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  • Capsular endoscopic system
  • Capsular endoscopic system
  • Capsular endoscopic system

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Experimental program
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Embodiment approach 1

[0046] figure 1 It is a schematic diagram showing the overall configuration of the capsule endoscope system according to Embodiment 1 of the present invention. in addition, figure 2 It is a schematic diagram showing the configuration of a capsule endoscope applied to the capsule endoscope system. and, image 3 yes means figure 2 A diagram showing the external structure of the capsule endoscope. in addition, Figure 4 It is a block diagram showing the functional configuration of the capsule endoscope.

[0047] Such as figure 1 As shown, the capsule endoscope system 11 orally introduces the capsule endoscope 2 capable of floating in a liquid 15 into the interior of the subject 1, specifically, the large intestine 14, and guides the capsule in the large intestine 14. An endoscope 2 is used to obtain in-vivo images of the inner wall of the large intestine 14 . This system includes: a communication unit 3 that wirelessly communicates with the capsule endoscope 2 inside ...

Embodiment approach 2

[0087] Next, Embodiment 2 of the present invention will be described. In the first embodiment described above, the magnetic field generation control unit 10c performs guidance control in the direction of gravity based on the contact information acquired by the contact sensors 30b and 30c. The control result information of light adjustment control and exposure time control at the time of acquisition is used to determine whether the capsule endoscope 2 is in contact with the inner wall 14a, and the magnetic field generation control unit 10c performs guidance control in the direction of gravity based on the determination result.

[0088] Figure 8 It is a block diagram showing the configuration of a capsule endoscope as a capsule endoscope system according to Embodiment 2 of the present invention. The capsule endoscope 2 includes a light adjustment control unit 26 a and an exposure time control unit 26 b in the control unit 26 . The light adjustment control unit 26a and the exp...

Embodiment approach 3

[0094] Next, Embodiment 3 of the present invention will be described. In Embodiments 1 and 2 above, the axis in the longitudinal direction of the capsule endoscope 2 moving in the large intestine 14 is oriented substantially horizontally. However, in Embodiment 3, the magnetic field generation control unit 10 c also performs guidance control. to rotate the capsule endoscope 2 in the horizontal plane.

[0095] Figure 9 It is a schematic diagram showing the movement state of the capsule endoscope 2 in the large intestine 14 when the guidance control including rotation guidance control is performed on the capsule endoscope 2 by the magnetic field generation control unit 10c. Such as Figure 9 As shown, similarly to Embodiments 1 and 2 above, the capsule endoscope 2 performs guidance by combining the guidance control in the direction of gravity G and the guidance control in the direction of travel A1 (direction of the lumen axis C1 of the large intestine 14 ). controlled to sn...

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Abstract

The capsular endoscope (2) comprises contact sensors (30b, 30c) that detect contact with the inner wall (14a) of the large intestine (14), a magnet (27), and one or more imaging units that take images inside the large intestine (14). The specific gravity thereof is just less than the specific gravity of a liquid (15) and the endoscope floats in the liquid (15). An external magnetic field generator control unit controls a magnetic field generator (5) that generates an induced magnetic field on the magnet (27) from the outside. In addition to guiding the direction of advance of the capsular endoscope (2), namely, in the axial direction of the lumen (C1), the control unit alternately guides and stops guiding downward in the direction of gravity (G) whenever the contact sensors (30b, 30c) detect contact with the inner wall (14a), and the capsular endoscope (2) is guided away from the inner wall (14a).

Description

technical field [0001] The present invention relates to a capsule endoscope system that guides a capsule endoscope that is introduced into a subject and floats on or exists in a liquid inside the subject . Background technique [0002] In recent years, in the field of endoscopes, a capsule-type subject introduction device (such as a capsule-type endoscope) equipped with an imaging function and a wireless communication function has been proposed, and a device using the capsule-type endoscope has been developed. The speculum is introduced into a system in a subject to acquire images in the subject. The capsule endoscope functions as follows: for example, after the capsule endoscope is swallowed from the subject's mouth in order to observe (inspect) the subject's body, until it is naturally discharged, the capsule endoscope The mirror moves inside the body cavity such as the stomach, the small intestine and other organs along with the peristaltic movement of the organs, and t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B1/00A61B5/07
CPCA61B5/073A61B1/00158A61B1/041A61B5/061A61B1/00016A61B1/00036A61B2019/2253A61B34/73
Inventor 泷泽宽伸
Owner OLYMPUS CORP