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Endoscope and endoscope device
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An endoscope and a technology for joining parts, which are applied to the field of endoscopes and endoscope devices, can solve the problems of increased device cost, larger diameter of the front end, and the like
Active Publication Date: 2014-05-28
OLYMPUS CORP
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Problems solved by technology
[0008] However, in the scanning endoscope device disclosed in JP 2010-513949 A, in order to detect the temperature of the tip portion, it is necessary to install a temperature sensor at the tip portion, and there is a problem of increasing the diameter of the tip portion.
In addition, in this scanning endoscope device, it is necessary to provide a control circuit for feedback control in the main device, and there is a problem that the cost of the device increases.
Method used
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no. 1 Embodiment approach ）
[0024] Next, the first embodiment will be described.
[0025] First, use figure 1 and figure 2 The configuration of the endoscope apparatus including the endoscope according to the first embodiment will be described.
[0026] figure 1 It is a figure showing the structure of the endoscope apparatus provided with the endoscope of 1st Embodiment, figure 2 It is a cross-sectional view of the actuator of the first embodiment.
[0027] Such as figure 1 As shown, an endoscope device 1 is configured to include: a scanning endoscope 2 that irradiates an object with illumination light while scanning and obtains return light from the object; A mirror 2 is connected; and a monitor 4 that displays an image of the subject obtained by the main body device 3 .
[0028] The main body of the endoscope 2 is composed of a tubular body having predetermined flexibility, and has an elongated insertion portion 11 inserted into the living body. A front end portion 12 is provided on the front ...
no. 2 Embodiment approach ）
[0075] Next, a second embodiment will be described.
[0076] Figure 7 It is a figure showing the structure of the endoscope apparatus provided with the endoscope of 2nd Embodiment, Figure 8 It is a cross-sectional view of the actuator of the second embodiment. In addition, in Figure 7 In the endoscope apparatus 1a of the present invention, the same components as those of the endoscope apparatus 1 of the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
[0077] The endoscope device 1a of the present embodiment is configured to replace figure 1 Instead of using the endoscope 2 and the main body device 3, the endoscope 2a and the main body device 3a are respectively used. The endoscope 2a is configured as, instead of figure 1 Actuator 15 is used instead of actuator 50 . And, the main unit 3a is configured to replace figure 1 The driver unit 25 is used instead of the driver unit 25a.
[0078] Such as Figure 8 As sho...
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Abstract
An endoscope (2) is provided with: an insertion section (11) to be inserted into a living organism; an illumination fiber (14) disposed at the distal end of the insertion section (11) and applying illumination light to the living organism; a detection fiber (16) for detecting light returning from the living organism; an actuator (15) for causing the free end of the illumination fiber (14) to pivot; and a ferrule (41) having a through-hole which corresponds to the diameter of the illumination fiber (14) and disposed between the illumination fiber (14) and the actuator (15). The actuator (15) is provided with: an actuator (15a) disposed on a first side surface (42a) of the ferrule (41); and an actuator (15b) disposed on a second side surface (42b) of the ferrule (41), the second side surface (42b) being a surface different from a surface point-symmetric to the first side surface (42a) with respect to the axial direction of the illumination fiber (14).
Description
technical field [0001] The present invention relates to an endoscope and an endoscope device, and more particularly to an endoscope and an endoscope device capable of stably driving an illumination fiber. Background technique [0002] Conventionally, a scanning endoscope device scans the tip of an illumination optical fiber that guides light from a light source, receives return light from a subject with an optical fiber bundle arranged around the illumination optical fiber, and uses light intensity detected over time. The signal is visualized. [0003] For example, Japanese Patent Application Laid-Open No. 2009-212519 discloses a scanning endoscope device in which an illumination fiber is passed through a cylindrical piezoelectric element, and the piezoelectric element is deformed two-dimensionally. The illumination fiber is made to resonate and the light is scanned. [0004] However, this scanning-type endoscope device has the following problems: it is necessary to provid...
Claims
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Application Information
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