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Ultrasonic endoscope

An ultrasonic and endoscope technology, applied in the field of ultrasonic endoscope, can solve the problem of easy disconnection of wiring substrates, and achieve the effect of suppressing disconnection and realizing diameter reduction.

Pending Publication Date: 2022-03-08
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the non-coaxial cable does not have a shielding layer and a sheath for each signal line, there is a problem that it is easy to break when connecting to the wiring board.

Method used

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Examples

Experimental program
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Embodiment Construction

[0038] Hereinafter, preferred embodiments of the ultrasonic endoscope according to the present invention will be described with reference to the drawings.

[0039] figure 1 It is a schematic configuration diagram showing an example of an ultrasonic examination system 10 using the ultrasonic endoscope 12 according to the embodiment.

[0040] like figure 1 As shown, the ultrasonic examination system 10 includes: an ultrasonic endoscope 12; an ultrasonic processor device 14 for generating an ultrasonic image; an endoscope processor device 16 for generating an endoscopic image; a light source device 18 for providing an ultrasonic endoscope 12 supplies illumination light to illuminate the body cavity; and a display 20 displays ultrasonic images and endoscopic images. Furthermore, the ultrasonic examination system 10 includes: a water supply tank 21a for storing washing water and the like; and a suction pump 21b for suctioning the aspirated matter in the body cavity.

[0041] The...

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Abstract

The invention provides an ultrasonic endoscope capable of suppressing disconnection of a non-coaxial cable and realizing diameter reduction. An ultrasonic endoscope is provided with: an insertion section including a tip section having an ultrasonic transducer array in which a plurality of ultrasonic transducers are arranged; a cable inserted and inserted through the insertion part; and a substrate that electrically connects the plurality of ultrasonic vibrators and the cable and is disposed at the tip portion, the cable having: a non-coaxial cable including a first cable bundle comprising a plurality of signal lines and a plurality of ground lines, and a first shield layer covering the first cable bundle; and a sheath covering a second cable bundle comprising a plurality of non-coaxial cables, the substrate having a plurality of electrode pads respectively connected to the plurality of ultrasonic transducers, the first cable bundles being drawn out from the cables, and the signal lines of the first cable bundles being drawn out and electrically bonded to the electrode pads of the substrate. And a fixing part for fixing the relative positions of the substrate and the first cable bundles.

Description

Technical field [0001] The present invention relates to an ultrasonic endoscope. Background technique [0002] In recent years, ultrasonic endoscopes, which irradiate ultrasonic waves into a subject's body, receive the reflected waves, and convert them into video to observe the state of the body, have been used in medical sites. [0003] This type of ultrasonic endoscope, for example, as disclosed in Patent Document 1, includes: a distal end portion equipped with a piezoelectric element constituting an ultrasonic vibrator; a bending portion and a flexible portion connected to the base end of the distal end portion; and a plurality of parallel end portions. The axial cable is inserted into and penetrates the bending part and the flexible part; and the wiring substrate is used to electrically connect the piezoelectric element and the coaxial cable. [0004] Patent Document 1: Japanese Patent Application Publication No. 2019-054962 [0005] Regarding the coaxial cable, since ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/12A61B8/00
CPCA61B8/12A61B8/56A61B8/44A61B8/4483A61B8/4494A61B8/445B06B1/0207B06B1/0622A61B1/0008A61B2562/164A61B2562/182A61B1/00114
Inventor 岩屋达广森本康彦
Owner FUJIFILM CORP
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