公开(公告)号：US11572467B2

公开(公告)日：2023-02-07

申请号：US16863365

申请日：2020-04-30

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro Nakai ,  Kazuhiro Hamada

IPC: G01N29/24 ,  G10K11/36 ,  C08G59/24 ,  C08G59/32 ,  C08G59/66 ,  C08L63/04 ,  C08G59/06 ,  C08L63/02 ,  C08K3/011 ,  C08K3/08 ,  C08K5/37

Abstract: Provided is a resin composition for an acoustic matching layer, the resin composition including metal particles (A), an epoxy resin (B), a polythiol compound (C), and a cure-accelerating compound (D). The epoxy resin (B) includes at least one epoxy resin selected from the group consisting of bisphenol A epoxy resins, bisphenol F epoxy resins, and phenol novolac epoxy resins, and the polythiol compound (C) includes a compound having at least two specific partial structures. Also provided are a cured product formed of the composition, an acoustic matching sheet, an acoustic probe, an acoustic measuring apparatus, and a method for producing an acoustic probe. Further provided is an acoustic matching layer material set suitable for preparation of the composition.

公开(公告)号：US11490789B2

公开(公告)日：2022-11-08

申请号：US16802103

申请日：2020-02-26

Applicant: FUJIFILM Corporation

Inventor： Kazushi Furukawa ,  Toshihide Yoshitani ,  Yoshihiro Nakai

IPC: C09J163/00 ,  A61B1/00

Abstract: Provided are an adhesive for an endoscope, a cured product thereof, an endoscope produced using the adhesive for an endoscope, and a method for producing the endoscope. The adhesive for an endoscope is a two-component adhesive for an endoscope. The two-component adhesive has a base and a curing agent. The base includes at least one epoxy resin (A) selected from the group consisting of bisphenol A epoxy resins, bisphenol F epoxy resins, and phenol novolac epoxy resins. The curing agent includes at least one specific polyamine compound (B). The adhesive for an endoscope is used to fix at least one of a metal member or a glass member constituting the endoscope.

公开(公告)号：US12252631B2

公开(公告)日：2025-03-18

申请号：US17517783

申请日：2021-11-03

Applicant: FUJIFILM Corporation

Inventor： Kazuhiro Hamada ,  Yoshihiro Nakai ,  Masatoshi Oku

IPC: C09D7/45 ,  A61B1/005 ,  A61L29/08 ,  A61L29/10 ,  A61L29/14 ,  C09D7/40 ,  C09D7/61 ,  C09D179/08

Abstract: An endoscopic coating composition including a solid lubricant, a fluorine-containing surfactant, a thermosetting resin, and a solvent, a lubricating member provided by a coating treatment using the coating composition and being suitable as an endoscopic member, a method for producing the lubricating member, and an endoscopic flexible tube and an endoscope including the lubricating member.

公开(公告)号：US20240327640A1

公开(公告)日：2024-10-03

申请号：US18739733

申请日：2024-06-11

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro Nakai

IPC: C08L83/04 ,  C08K5/56 ,  C08K9/06 ,  G10K11/30

CPC classification number: C08L83/04 ,  C08K5/56 ,  C08K9/06 ,  G10K11/30 ,  C08L2205/025 ,  C08L2205/03

Abstract: Provided are a composition for an acoustic lens, containing the following components (a) to (c), (a) a linear polysiloxane having a vinyl group, (b) a linear polysiloxane having two or more Si—H groups in a molecular chain, and (c) surface-treated silica particles, in which, in a particle diameter distribution of the component (c) obtained by a scanning transmission electron microscope, one or more maximal peaks are detected in a range of 16 nm or more and less than 100 nm, and one or more maximal peaks are detected in a range of 8 nm or more and less than 16 nm; an acoustic lens obtained by curing the composition; an acoustic wave probe, an ultrasound probe, an acoustic wave measurement apparatus, an ultrasound diagnostic apparatus, a photoacoustic wave measurement apparatus, and an ultrasonic endoscope including the acoustic lens; and a method for manufacturing an acoustic wave probe using the composition.

公开(公告)号：US12054650B2

公开(公告)日：2024-08-06

申请号：US17144393

申请日：2021-01-08

Applicant: FUJIFILM Corporation

Inventor： Kazushi Furukawa ,  Yoshihiro Nakai

IPC: C09J163/04 ,  A61B1/00 ,  C09J11/06

CPC classification number: C09J163/04 ,  A61B1/0011 ,  C09J11/06

Abstract: Provided are an adhesive for an endoscope and a cured product thereof. The adhesive for an endoscope includes an epoxy resin including at least one of a bisphenol A epoxy resin, a bisphenol F epoxy resin, or a phenol novolac epoxy resin, a polyamine compound, and an alcohol compound. Also provided are an endoscope in which the cured product is fixed and a method for producing the endoscope.

公开(公告)号：US20240138809A1

公开(公告)日：2024-05-02

申请号：US18396973

申请日：2023-12-27

Applicant: FUJIFILM Corporation

Inventor： Kazushi Furukawa ,  Yoshihiro Nakai

IPC: A61B8/00 ,  A61L31/02 ,  A61L31/06 ,  A61L31/12 ,  A61L31/14

CPC classification number: A61B8/4281 ,  A61L31/022 ,  A61L31/06 ,  A61L31/128 ,  A61L31/14

Abstract: Provided are an acoustic matching layer material containing a curing reaction product obtained by reacting an epoxy resin (A) having an epoxy equivalent weight of 140 or less with at least one of a curing agent (B-1) which is a monomer or a curing catalyst (B-2), and metal particles (C) having a density of 4.5 g/cm3 or more and less than 10 g/cm3 at 20° C., in which a content of particles (D) having a density of less than 4.5 g/cm3 at 20° C. is less than 5% by mass; an acoustic matching sheet; a composition for an acoustic matching layer material; an acoustic wave probe; an acoustic wave measurement apparatus; and a manufacturing method of an acoustic wave probe.

公开(公告)号：US11925507B2

公开(公告)日：2024-03-12

申请号：US17484684

申请日：2021-09-24

Applicant: FUJIFILM Corporation

Inventor： Kazuhiro Hamada ,  Yoshihiro Nakai

IPC: A61B8/00

CPC classification number: A61B8/4281 ,  A61B8/4444

Abstract: Provided are an acoustic matching sheet containing the following component (B) in the following component (A), a composition for an acoustic matching layer, an acoustic wave probe, an acoustic wave measurement apparatus, and a method for manufacturing an acoustic wave probe. (A) is at least one of a resin or a rubber; and (B) is at least one of a resin particle or a rubber particle having an acoustic velocity lower than an acoustic velocity of the component (A) and having a number average particle diameter of 1.0 μm or less.

公开(公告)号：US11891505B2

公开(公告)日：2024-02-06

申请号：US16863297

申请日：2020-04-30

Applicant: FUJIFILM Corporation

Inventor： Kazuhiro Hamada ,  Kazushi Furukawa ,  Yoshihiro Nakai

IPC: C08L63/00 ,  C08K5/17 ,  C08G59/50 ,  G01N29/24 ,  G10K11/18 ,  G10K11/36 ,  C08K3/08

CPC classification number: C08L63/00 ,  C08G59/5033 ,  G01N29/2437 ,  G10K11/18 ,  G10K11/36 ,  C08K5/17 ,  C08K2003/085 ,  C08K2003/0806 ,  C08K2003/0856 ,  C08K2003/0862 ,  C08K2003/0887 ,  C08K2003/0893 ,  C08K5/17 ,  C08L63/00

Abstract: Provided is a resin composition for an acoustic matching layer, the resin composition including an epoxy resin (A), a specific polyamine compound (B), and metal particles (C). The epoxy resin (A) includes at least one epoxy resin selected from the group consisting of bisphenol A epoxy resins, bisphenol F epoxy resins, and phenol novolac epoxy resins. Also provided are a cured product formed of the composition, an acoustic matching sheet, an acoustic probe, an acoustic measuring apparatus, a method for producing an acoustic probe, and an acoustic matching layer material set.

公开(公告)号：US20210298565A1

公开(公告)日：2021-09-30

申请号：US17344359

申请日：2021-06-10

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro Nakai ,  Shinya Abe

IPC: A61B1/005 ,  A61B1/00 ,  B05D7/14 ,  B05D7/00

Abstract: Provided are a flexible tube for an endoscope, the flexible tube having a flexible tube base made of metal, a resin cover layer that covers an outer periphery of the flexible tube base, and a primer layer that includes at least one compound represented by general formula (1) or (2) and that is disposed between the flexible tube base and the resin cover layer, in which the resin cover layer includes at least one selected from the group consisting of polyamides, polyesters, polyurethanes, and polyolefins on a side of the resin cover layer in contact with the primer layer, an endoscopic medical device including the flexible tube for an endoscope; a method for producing the flexible tube for an endoscope; and a method for producing the endoscopic medical device. R1m-M-(OR2)n-m  General formula (1): O-[M-(OR2)n-1]2  General formula (2): M represents, for example, Al, Ti, or Zr. R1 and R2 each represent a hydrogen atom or a specific group. m is an integer of 0 to 3, n is a valence of M, and n>m is satisfied.

公开(公告)号：US11072707B2

公开(公告)日：2021-07-27

申请号：US16364899

申请日：2019-03-26

Applicant: FUJIFILM Corporation

Inventor： Yuzo Nagata ,  Yoshihiro Nakai ,  Toshihide Yoshitani ,  Shigeki Uehira ,  Atsushi Osawa

IPC: C08L83/04 ,  C08F265/06 ,  C08F265/10 ,  C08G77/20 ,  C08G77/442 ,  C08F257/02 ,  A61B8/00 ,  C08L83/10 ,  H04R1/34 ,  C08F290/06 ,  C08F293/00 ,  H04R17/00 ,  H04R19/00 ,  A61B8/12 ,  G10K11/30

Abstract: Provided are a resin material for an acoustic wave probe which contains a polymer formed of at least one of a structural unit (a) having a specific polysiloxane bond or a structural unit (b) having a specific partial structure, in which the structural unit (b) having the specific partial structure is an acryloyloxy structural unit (b1), an acrylamide structural unit (b2), or a styrene structural unit (b3); an acoustic lens; an acoustic wave probe; an acoustic wave measurement apparatus; an ultrasound diagnostic apparatus; a photoacoustic wave measurement apparatus; and an ultrasound endoscope.