公开(公告)号：US20200015663A1

公开(公告)日：2020-01-16

申请号：US16569738

申请日：2019-09-13

Applicant: OLYMPUS CORPORATION

Inventor： Kazutoshi KUMAGAI ,  Naoya SUGIMOTO ,  Yoshiro OKAZAKI ,  Shunji TAKEI

IPC: A61B1/00 ,  A61B1/12 ,  A61B1/005

Abstract: An endoscope sheath includes: a sheath body through which an endoscope channel is formed; a projecting portion extending in the longitudinal direction from the distal end of the sheath body and provided at a portion in the circumferential direction, on the radially outer side the endoscope channel; a nozzle from which the cleaning fluid is jetted radially inward of the sheath body and that is provided at the distal end portion of the projecting portion; and a fluid channel through which the cleaning fluid is supplied to the nozzle. At the distal end of the sheath body, the side opposite the nozzle with the endoscope channel therebetween in the radial direction is open.

公开(公告)号：US20190125172A1

公开(公告)日：2019-05-02

申请号：US15801370

申请日：2017-11-02

Applicant: OLYMPUS CORPORATION

Inventor： Yoshiro OKAZAKI ,  Naoya SUGIMOTO ,  Kazutoshi KUMAGAI ,  Shunji TAKEI ,  Yusuke NOMURA

IPC: A61B1/00 ,  A61B1/06 ,  A61B1/313

Abstract: A pericardial-cavity observing method including: a step of inserting an endoscope sheath and an endoscope into a space between the heart and the pericardium; a step of disposing a protruding portion closer to the pericardium than an optical member is so that an angle that is formed between a centerline that passes through a center of the protruding portion and a center of the optical member and a tangent of the pericardium that passes through a foot of a perpendicular line drawn, from the center of the optical member of the endoscope, to the pericardium sagging down from the protruding portion toward the heart becomes greater than an angle formed between the centerline and an external common tangent of the protruding portion and the optical member; and a step of observing the heart by means of the endoscope.

公开(公告)号：US20160313551A1

公开(公告)日：2016-10-27

申请号：US15202688

申请日：2016-07-06

Applicant: OLYMPUS CORPORATION

Inventor： Shunji TAKEI

IPC: G02B23/24 ,  A61B1/005 ,  H05B37/02 ,  A61B1/06 ,  G02B26/10 ,  A61B1/07 ,  A61B1/00

CPC classification number: G02B23/2469 ,  A61B1/00009 ,  A61B1/00045 ,  A61B1/00057 ,  A61B1/00112 ,  A61B1/00172 ,  A61B1/005 ,  A61B1/063 ,  A61B1/0638 ,  A61B1/0646 ,  A61B1/07 ,  G02B26/103 ,  H05B37/0227

Abstract: A lighting apparatus includes: a light source unit configured to emit first light and second light; a light-receiving unit configured to output a first light detection signal having strength corresponding to first light-receiving sensitivity and an incident light quantity of the first light and a second light detection signal having strength corresponding to second light-receiving sensitivity and an incident light quantity of the second light; a calculation unit configured to generate a first multiplication signal by multiplying the first light detection signal by a first coefficient and generate a second multiplication signal obtained by multiplying the second light detection signal by a second coefficient; and a control unit configured to control the light source unit so as to decrease a light quantity based on the first multiplication signal or second multiplication signal.

Abstract translation: 照明装置包括：光源单元，被配置为发射第一光和第二光; 光接收单元，被配置为输出具有与第一光接收灵敏度和第一光的入射光量相对应的强度的第一光检测信号和具有与第二受光灵敏度相对应的强度的第二光检测信号和入射光 第二光量; 计算单元，被配置为通过将第一光检测信号乘以第一系数来生成第一乘法信号，并生成通过将第二光检测信号乘以第二系数而获得的第二乘法信号; 以及控制单元，被配置为基于所述第一乘法信号或第二乘法信号来控制所述光源单元以减少光量。

公开(公告)号：US20160100741A1

公开(公告)日：2016-04-14

申请号：US14971079

申请日：2015-12-16

Applicant: OLYMPUS CORPORATION

Inventor： Wataru ONO ,  Satoshi TAKEKOSHI ,  Shunji TAKEI ,  Kenji YAMAZAKI

IPC: A61B1/00 ,  A61B1/06 ,  A61B1/05

CPC classification number: A61B1/00006 ,  A61B1/045 ,  A61B1/05 ,  A61B1/0638 ,  A61B1/0661 ,  A61B1/0684 ,  A61B1/3132 ,  G02B23/2484 ,  H04N5/2353 ,  H04N5/2354 ,  H04N5/3532 ,  H04N2005/2255

Abstract: An endoscope system includes: an illumination unit configured to irradiate a visual field area with illumination light that produces return light from a specific substance; a sensor unit having a two-dimensional surface on which a plurality of pixels is arranged for receiving the return light from the visual field area and photoelectrically converting the return light to generate electrical signals; a reading unit configured to read out the electrical signals per a specified frame cycle; a reset pulse generation unit configured to generate reset pulses for releasing electric charges accumulated in the plurality of pixels; a reset pulse controller configured to adjust timing of generating the reset pulses such that a plurality of frame cycles is included in a period between generation of two consecutive reset pulses; and an illumination controller configured to cause the illumination unit to emit the illumination light in each of the plurality of frame cycles.

Abstract translation: 一种内窥镜系统，包括：照明部，被配置为利用产生来自特定物质的返回光的照明光照射视野区域; 具有二维表面的传感器单元，多个像素布置成用于接收来自视场区域的返回光并对该返回光进行光电转换以产生电信号; 读取单元，被配置为读出每个指定帧周期的电信号; 复位脉冲产生单元，被配置为产生用于释放累积在所述多个像素中的电荷的复位脉冲; 复位脉冲控制器，被配置为调整产生复位脉冲的定时，使得在产生两个连续复位脉冲之间的周期中包括多个帧周期; 以及照明控制器，被配置为使得所述照明单元在所述多个帧周期中的每一个周期中发射照明光。

公开(公告)号：US20170007097A1

公开(公告)日：2017-01-12

申请号：US15269015

申请日：2016-09-19

Applicant: OLYMPUS CORPORATION

Inventor： Shunji TAKEI

IPC: A61B1/00 ,  G02B23/24 ,  A61B1/06

CPC classification number: A61B1/00009 ,  A61B1/00004 ,  A61B1/00165 ,  A61B1/00172 ,  A61B1/00186 ,  A61B1/04 ,  A61B1/042 ,  A61B1/06 ,  A61B1/0638 ,  A61B1/07 ,  G02B23/2469 ,  G02B23/26

Abstract: An image processing system includes: a light source portion configured to emit illuminating light to be radiated to an object; a light receiving optical member for guiding return light from the object: a light detecting portion configured to receive the return light caused to be incident through the light receiving optical member to generate an electric signal, amplify the generated electric signal, convert the amplified electric signal to a digital signal and output the digital signal; an image processing portion configured to generate an image based on the digital signal outputted from the light detecting portion and perform gain adjustment for the generated image; and a parameter adjusting portion configured to adjust a predetermined parameter based on a variable range of an output value of the light source portion and a variable range of a gain value in the gain adjustment.

Abstract translation: 一种图像处理系统，包括：光源部，被配置为发射要照射到对象的照明光; 用于引导来自物体的返回光的光接收光学构件：光检测部，被配置为接收通过光接收光学构件入射的返回光，以产生电信号，放大所产生的电信号，将放大的电信号 到数字信号并输出​​数字信号; 图像处理部，被配置为基于从光检测部输出的数字信号生成图像，并对所生成的图像进行增益调整; 以及参数调整部，其被配置为基于所述光源部的输出值的可变范围和所述增益调整中的增益值的可变范围来调整预定参数。