公开(公告)号：US11660071B2

公开(公告)日：2023-05-30

申请号：US16127097

申请日：2018-09-10

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Joon Mo Yang ,  Chae Un Kim

IPC: A61B8/00 ,  G02F1/29 ,  A61B5/00 ,  A61B1/07 ,  A61B8/12 ,  B06B1/06 ,  H10N30/87 ,  H10N39/00

CPC classification number: A61B8/4416 ,  A61B1/07 ,  A61B5/0035 ,  A61B5/0095 ,  A61B5/42 ,  A61B8/12 ,  A61B8/4483 ,  A61B8/4494 ,  B06B1/0622 ,  G02F1/29 ,  H10N30/87 ,  H10N39/00 ,  A61B5/0044 ,  B06B2201/76 ,  G02F2201/02 ,  G02F2201/34 ,  G02F2203/03 ,  G02F2203/28

Abstract: A photoacoustic and ultrasonic endoscope includes an optical fiber, a light diffuser configured to radially diffuse a laser beam transmitted through the optical fiber, and an array transducer having a cylindrical shape and surrounding the light diffuser, the array transducer being configured to transmit the diffused laser beam therethrough and to generate an ultrasonic wave or detect an ultrasonic wave generated by an object to be examined.

公开(公告)号：US10905397B2

公开(公告)日：2021-02-02

申请号：US15872414

申请日：2018-01-16

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Joon Mo Yang ,  Chae Un Kim

IPC: A61B8/00 ,  A61B5/00 ,  A61B8/12 ,  A61B8/08

Abstract: A photoacoustic-ultrasonic (i.e. dual mode) endoscope includes: an optical fiber; a light diffuser configured to diffuse a laser beam delivered through the optical fiber to a target point of an object to be examined; and an array transducer through which the diffused laser beam passes and configured to generate ultrasonic waves or detect ultrasonic waves generated in the object to be examined.

公开(公告)号：US20190076119A1

公开(公告)日：2019-03-14

申请号：US16127097

申请日：2018-09-10

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Joon Mo Yang ,  Chae Un Kim

IPC: A61B8/00 ,  G02F1/29 ,  H01L41/047 ,  H01L27/20 ,  A61B5/00 ,  A61B8/12 ,  A61B1/07

Abstract: A photoacoustic and ultrasonic endoscope includes an optical fiber, a light diffuser configured to radially diffuse a laser beam transmitted through the optical fiber, and an array transducer having a cylindrical shape and surrounding the light diffuser, the array transducer being configured to transmit the diffused laser beam therethrough and to generate an ultrasonic wave or detect an ultrasonic wave generated by an object to be examined.

公开(公告)号：US20180055343A1

公开(公告)日：2018-03-01

申请号：US15645969

申请日：2017-07-10

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Joon-Mo Yang ,  Chae Un Kim

IPC: A61B1/00 ,  A61B8/12 ,  A61B5/00 ,  A61B1/04

CPC classification number: A61B1/00117 ,  A61B1/00165 ,  A61B1/04 ,  A61B5/0035 ,  A61B5/0066 ,  A61B5/0095 ,  A61B5/6852 ,  A61B8/12 ,  A61B8/4416 ,  A61B8/445 ,  A61B8/4461 ,  A61B2562/247

Abstract: A photoacoustic-ultrasonic dual-mode endoscope includes: a probe and a probe driving unit, wherein the probe includes: a coaxially configured optical and electromagnetic rotary waveguide assembly including an optical fiber, the optical fiber including a core and a cladding, and a conductive path coaxially arranged with the optical fiber; a scanning tip located at an end of the coaxially configured optical and electromagnetic rotary waveguide assembly and configured to deliver a laser beam to an object to be examined and detect a photoacoustic signal and an ultrasonic signal generated from the object to be examined; and a plastic catheter surrounding outer surfaces of the coaxially configured optical and electromagnetic rotary waveguide assembly and the scanning tip, wherein the conductive path includes: a first conductive path including a portion coaxially arranged with the optical fiber; and a second conductive path including a portion coaxially arranged with the optical fiber and insulated from the first conductive path.

公开(公告)号：US11272831B2

公开(公告)日：2022-03-15

申请号：US15645969

申请日：2017-07-10

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Joon-Mo Yang ,  Chae Un Kim

IPC: A61B1/00 ,  A61B8/00 ,  A61B5/00 ,  A61B1/04 ,  A61B8/12

Abstract: A photoacoustic-ultrasonic dual-mode endoscope includes: a probe and a probe driving unit, wherein the probe includes: a coaxially configured optical and electromagnetic rotary waveguide assembly including an optical fiber, the optical fiber including a core and a cladding, and a conductive path coaxially arranged with the optical fiber; a scanning tip located at an end of the coaxially configured optical and electromagnetic rotary waveguide assembly and configured to deliver a laser beam to an object to be examined and detect a photoacoustic signal and an ultrasonic signal generated from the object to be examined; and a plastic catheter surrounding outer surfaces of the coaxially configured optical and electromagnetic rotary waveguide assembly and the scanning tip, wherein the conductive path includes: a first conductive path including a portion coaxially arranged with the optical fiber; and a second conductive path including a portion coaxially arranged with the optical fiber and insulated from the first conductive path.

公开(公告)号：US20220151469A1

公开(公告)日：2022-05-19

申请号：US17592436

申请日：2022-02-03

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Joon-Mo Yang ,  Chae Un Kim

IPC: A61B1/00 ,  A61B8/00 ,  A61B5/00 ,  A61B1/04 ,  A61B8/12

Abstract: A photoacoustic-ultrasonic dual-mode endoscope includes: a probe and a probe driving unit, wherein the probe includes: a coaxially configured optical and electromagnetic rotary waveguide assembly including an optical fiber, the optical fiber including a core and a cladding, and a conductive path coaxially arranged with the optical fiber; a scanning tip located at an end of the coaxially configured optical and electromagnetic rotary waveguide assembly and configured to deliver a laser beam to an object to be examined and detect a photoacoustic signal and an ultrasonic signal generated from the object to be examined; and a plastic catheter surrounding outer surfaces of the coaxially configured optical and electromagnetic rotary waveguide assembly and the scanning tip, wherein the conductive path includes: a first conductive path including a portion coaxially arranged with the optical fiber; and a second conductive path including a portion coaxially arranged with the optical fiber and insulated from the first conductive path.

公开(公告)号：US20180228464A1

公开(公告)日：2018-08-16

申请号：US15872414

申请日：2018-01-16

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Joon Mo Yang ,  Chae Un Kim

IPC: A61B8/00 ,  A61B5/00 ,  A61B8/12

CPC classification number: A61B8/4416 ,  A61B5/0062 ,  A61B5/0073 ,  A61B5/0084 ,  A61B5/0095 ,  A61B8/12 ,  A61B8/4483 ,  A61B8/483 ,  A61B8/5246 ,  A61B8/5269

Abstract: A photoacoustic-ultrasonic (i.e. dual mode) endoscope includes: an optical fiber; a light diffuser configured to diffuse a laser beam delivered through the optical fiber to a target point of an object to be examined; and an array transducer through which the diffused laser beam passes and configured to generate ultrasonic waves or detect ultrasonic waves generated in the object to be examined.