# US 10,307,039 B2 · Endoscope

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- Number: US 10,307,039 B2
- Document ID: US10307039B2
- Status: Granted
- Kind: B2
- Application number: 15/203,816
- Filed: 2016-07-07
- Published: 2017-01-12
- Granted: 2019-06-04
- Earliest claimed: 2015-07-10
- Assignees: FUJIFILM Corporation
- Applicants: FUJIFILM Corporation
- Inventors: Issei Suzuki; Takashi Yashiro; Shuichi Ishii; Kazuaki Takahashi
- Web page: https://patentgrep.com/patent/US10307039B2

## CPC

- A61B 1/0008: {characterised by distal tip features}
- A61B 1/0011: {Manufacturing of endoscope parts}
- A61B 1/051: {Details of CCD assembly}
- A61B 18/18: by applying electromagnetic radiation, e.g. microwaves
- A61B 1/00114: {Electrical cables in or with an endoscope}
- A61B 18/1402: {Probes for open surgery}
- A61B 2018/00982: {combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

An endoscope includes in a tip portion of an insertion unit: an image sensor having plural terminals including a video terminal which outputs a video signal; and a tip potion of a treatment tool channel which extends in a longitudinal direction of the insertion unit, and a distance of the video terminal is longest among distances of the respective terminals from a center of the treatment tool channel in a plane that is perpendicular to the longitudinal axis.

## Claims

### Claim 1

An endoscope comprising, in a tip portion of an insertion unit of the endoscope:
an image sensor having plural terminals including a video terminal which outputs a video signal; and
a tip portion of a treatment tool channel which extends in a longitudinal axis of the insertion unit, wherein:
a distance of the video terminal is longest among distances of the plural terminals from a center of the treatment tool channel in a plane that is perpendicular to the longitudinal axis,
wherein the plural terminals comprise a ground terminal, and the distance from the ground terminal to the center of the treatment tool channel is the shortest of the distances from the plural terminals to the center of the treatment tool channel.

### Claim 2 (depends on 1)

The endoscope according to claim 1, wherein the plural terminals are provided on a back surface of the image sensor that is opposite to a photodetecting surface of the image sensor.

### Claim 3 (depends on 2)

The endoscope according to claim 2, wherein number of the plural terminals is four.

### Claim 4 (depends on 3)

The endoscope according to claim 3, wherein the plural terminals are arranged in a matrix of two rows and two columns each of which is parallel with a corresponding one of four sides of the back surface.