公开(公告)号：US11540702B2

公开(公告)日：2023-01-03

申请号：US16702615

申请日：2019-12-04

Applicant: FUJIFILM Corporation

Inventor： Kazushi Furukawa ,  Yoshihiro Nakai

IPC: A61B1/005 ,  C08K5/1535 ,  C08K5/17 ,  C08L67/02 ,  C08L75/04 ,  C08L77/00

Abstract: Provided is a flexible tube, for an endoscope, having a flexible tube substrate, for an endoscope, that is flexible and tubular and a resin layer covering the flexible tube substrate for an endoscope. The resin layer includes one or more layers, the layers including a layer A including a polyester elastomer (a) as a resin component, a hindered amine compound (b), and a particular compound (c). Also provided are an endoscopic medical device including the flexible tube for an endoscope and a resin composition and a set of resin compositions that are suitable for forming the resin layer of the flexible tube for an endoscope.

公开(公告)号：US11524099B2

公开(公告)日：2022-12-13

申请号：US15831774

申请日：2017-12-05

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro Nakai ,  Takayasu Nagai ,  Atsushi Osawa

IPC: A61B8/00 ,  C08K3/22 ,  C08L83/04 ,  A61L31/06 ,  H04R19/00 ,  C08G77/12 ,  C08G77/20 ,  C08G77/00 ,  G10K11/30 ,  B06B1/06 ,  G10K11/02 ,  A61B5/00

Abstract: Provided is a composition for an acoustic wave probe including a polysiloxane mixture containing at least polysiloxane having a vinyl group and a phenyl group, polysiloxane having two or more Si—H groups in a molecular chain, and zinc oxide, a silicone resin for an acoustic wave probe, the acoustic wave probe, an acoustic wave measurement apparatus, an ultrasound diagnostic apparatus, an ultrasound probe, a photoacoustic wave measurement apparatus, and an ultrasound endoscope.

公开(公告)号：US20220315814A1

公开(公告)日：2022-10-06

申请号：US17840266

申请日：2022-06-14

Applicant: FUJIFILM Corporation

Inventor： Kazushi Furukawa ,  Yoshihiro Nakai ,  Shigeki Uehira

IPC: C09J163/04 ,  C08G59/24 ,  C08G59/40 ,  C08G59/50 ,  C08K3/08 ,  A61B1/005

Abstract: An adhesive for an endoscope, the adhesive including (A) an epoxy resin including at least one epoxy resin of a bisphenol A epoxy resin, a bisphenol F epoxy resin, or a phenol novolac epoxy resin, (B) a curing component including at least one of a phosphorus-containing compound, a polythiol compound, a dicyandiamide compound, a phenol compound, or a polyether-polyamine compound, and (C) an inorganic amphoteric ion exchanger; and a cured product of the adhesive. An endoscope including the cured product fixed, and a method for producing the endoscope.

公开(公告)号：US20210371715A1

公开(公告)日：2021-12-02

申请号：US17403981

申请日：2021-08-17

Applicant: FUJIFILM Corporation

Inventor： Kazushi FURUKAWA ,  Yoshihiro Nakai

IPC: C09J163/00 ,  C09J5/06 ,  C09J11/06 ,  C08K5/17 ,  A61B1/00

Abstract: An adhesive for an endoscope, the adhesive including an epoxy resin including at least one of bisphenol A epoxy resin, bisphenol F epoxy resin, or phenol novolac epoxy resin, a curing component, and an acidic curing acceleration component; a cured product of the adhesive; an endoscope including the cured product fixed; and a method for producing the endoscope.

公开(公告)号：US20200255652A1

公开(公告)日：2020-08-13

申请号：US16863258

申请日：2020-04-30

Applicant: FUJIFILM Corporation

Inventor： Kazuhiro Hamada ,  Yoshihiro Nakai

IPC: C08L63/00 ,  G10K11/18 ,  G10K11/36 ,  G01N29/24 ,  C08G59/50

Abstract: A resin composition for an acoustic matching layer; an acoustic matching sheet formed from the composition; an acoustic wave probe; an acoustic wave measuring apparatus; a method for manufacturing an acoustic wave probe; and a material set, for an acoustic matching layer, that is suitable for preparation of the composition, in which the resin composition for an acoustic matching layer includes a binder including a resin; and metal particles having a monodispersity of 40% to 80%, wherein the monodispersity is calculated by equation (1): monodispersity (%)=(standard deviation of particle sizes of metal particles/average particle size of metal particles)×100.

公开(公告)号：US10076305B2

公开(公告)日：2018-09-18

申请号：US15268899

申请日：2016-09-19

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro Nakai

IPC: A61B8/00 ,  G10K11/30 ,  C08L83/04 ,  C08K3/36 ,  C08K5/56 ,  C08L83/00 ,  C08G77/12 ,  C08G77/20

CPC classification number: A61B8/4281 ,  A61B8/4444 ,  C08G77/12 ,  C08G77/20 ,  C08K3/36 ,  C08K5/56 ,  C08L83/00 ,  C08L83/04 ,  G10K11/30

Abstract: A composition for an ultrasonic probe contains: a mixture including at least three different polyorganosiloxanes, in which the mixture includes (A) a polyorganosiloxane having a vinyl group, (B) a polyorganosiloxane having two or more Si—H groups in a molecular chain, and (C) a branched polyorganosiloxane represented by the following General Formula (C), and the content of the polyorganosiloxanes (A), (B), and (C) is respectively 10 to 99.4 parts by mass, 0.5 to 90 parts by mass, and 0.1 to 40 parts by mass, with respect to 100 parts by mass of the total mass of the polyorganosiloxanes mixture. R1 to R4 each independently represent an alkyl group, a cycloalkyl group, an alkenyl group, or an aryl group. m represents an integer of 1 or more and n represents 0 or an integer of 1 to 5. At least two of a plurality of R4's are alkenyl groups.

公开(公告)号：US12109335B2

公开(公告)日：2024-10-08

申请号：US16811636

申请日：2020-03-06

Applicant: FUJIFILM Corporation ,  Shin-Etsu Chemical Co., Ltd.

Inventor： Yoshihiro Nakai ,  Shigeki Uehira ,  Taichi Kitagawa ,  Nobuaki Matsumoto

IPC: A61K9/16 ,  A61B5/00 ,  A61B8/00 ,  A61B8/12 ,  A61L31/02 ,  A61L31/06 ,  A61L31/12 ,  A61L31/14 ,  C08G77/00 ,  C08L83/04 ,  G01S15/89 ,  G10K11/30

CPC classification number: A61L31/129 ,  A61B5/0095 ,  A61B8/12 ,  A61B8/4444 ,  A61L31/028 ,  A61L31/06 ,  A61L31/128 ,  A61L31/14 ,  C08G77/70 ,  C08L83/04 ,  G01S15/8906 ,  G10K11/30 ,  C08L2205/025 ,  C08L2205/03

Abstract: A composition for an acoustic wave probe, containing the following ingredients (A) to (D): (A) a linear polysiloxane having a vinyl group; (B) a linear polysiloxane having two or more Si—H groups in a molecular chain; (C) a polysiloxane resin; and (D) surface-treated silica particles having an average primary particle diameter more than 16 nm and less than 100 nm, as well as, a silicone resin for an acoustic wave probe, an acoustic wave probe, an ultrasound probe, an acoustic wave measurement apparatus, an ultrasound diagnostic apparatus, a photoacoustic wave measurement apparatus, and an ultrasound endoscope, using the composition for an acoustic wave probe.

公开(公告)号：US12075976B2

公开(公告)日：2024-09-03

申请号：US17343899

申请日：2021-06-10

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro Nakai ,  Toshihide Yoshitani ,  Shinya Abe ,  Kazuma Horita ,  Takeshi Senga

IPC: A61B1/005 ,  A61L29/08 ,  B29C48/10 ,  B29C48/151 ,  B32B1/08 ,  B32B15/08 ,  B32B27/08 ,  A61L29/02 ,  B29K101/12 ,  B29K705/12 ,  B29L31/00 ,  B32B15/18

CPC classification number: A61B1/005 ,  A61L29/085 ,  B29C48/10 ,  B29C48/151 ,  B32B1/08 ,  B32B15/08 ,  B32B27/08 ,  A61L29/02 ,  A61L2420/08 ,  B29K2101/12 ,  B29K2705/12 ,  B29L2031/753 ,  B32B15/18 ,  B32B2535/00 ,  Y10T428/1393 ,  A61L29/085 ,  C08L77/00 ,  A61L29/085 ,  C08L75/04 ,  A61L29/085 ,  C08L67/00

Abstract: Provided are a flexible tube for an endoscope, the flexible tube having a flexible tube base containing metal as a constituent material, a resin cover layer that covers an outer periphery of the flexible tube base, and a primer layer that includes a specific silane coupling agent and that is disposed between the flexible tube base and the resin cover layer, in which the resin cover layer includes at least one compound selected from the group consisting of polyamides, polyesters, polyurethanes, and polyolefins at least 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.

公开(公告)号：US11993697B2

公开(公告)日：2024-05-28

申请号：US17022662

申请日：2020-09-16

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro Nakai ,  Kazushi Furukawa

IPC: C08K5/32 ,  A61B1/005 ,  A61L29/06 ,  A61L29/08 ,  A61L29/14 ,  C08K5/13 ,  C08K5/3435 ,  C08K5/372 ,  C08K5/524 ,  A61M25/00

CPC classification number: C08K5/32 ,  A61B1/005 ,  A61L29/06 ,  A61L29/085 ,  A61L29/14 ,  C08K5/13 ,  C08K5/3435 ,  C08K5/372 ,  C08K5/524 ,  A61M25/005 ,  A61M2025/0059

Abstract: A flexible tube for an endoscope has a flexible tube substrate that is flexible and tubular and a resin layer (A) covering the flexible tube substrate. The resin layer (A) includes a thermoplastic resin (a) including at least one of a polyamide resin, a polyurethane resin, a polyester resin, a polystyrene resin, or an acrylic resin and having a tensile strength at 10% elongation of 10 MPa or more and a hindered amine compound (b) having a molecular weight of 500 or more. Also provided are an endoscopic medical device including the flexible tube for an endoscope and a resin composition suitable for forming the resin layer of the flexible tube for an endoscope.

公开(公告)号：US11932762B2

公开(公告)日：2024-03-19

申请号：US16936825

申请日：2020-07-23

Applicant: FUJIFILM Corporation

Inventor： Kazushi Furukawa ,  Yoshihiro Nakai ,  Shigeki Uehira

IPC: C08L75/04 ,  A61B1/00 ,  A61B1/005 ,  C09J5/00 ,  C09J11/06 ,  C09J163/00 ,  C09J163/08 ,  A61B1/05

CPC classification number: C08L75/04 ,  A61B1/0011 ,  A61B1/005 ,  C09J5/00 ,  C09J11/06 ,  C09J163/00 ,  C09J163/08 ,  A61B1/00096 ,  A61B1/051 ,  C09J2463/00

Abstract: A two-component adhesive for an endoscope and a cured product thereof, the adhesive having a base resin and a curing agent. The base resin contains an epoxy resin (A), and the epoxy resin (A) includes an epoxy resin (a) having an average degree of polymerization of 2 or more. Also disclosed are an endoscope produced by using the adhesive for an endoscope and a method for producing the endoscope.