公开(公告)号：US20230157720A1

公开(公告)日：2023-05-25

申请号：US18147380

申请日：2022-12-28

Applicant: FUJIFILM Corporation

Inventor： Kazushi FURUKAWA ,  Yoshihiro NAKAI

IPC: A61B17/34 ,  A61B1/00

CPC classification number: A61B17/3417 ,  A61B1/00002 ,  A61B1/00064

Abstract: An endoscopic flexible tube including a flexible-tube base containing metal as a constituent material, and a cover layer covering an outer periphery of the flexible-tube base, wherein the cover layer includes a polyester having a naphthalene structure and a component having an action of inhibiting a reaction of an active species such as a radical, an endoscopic medical apparatus including the endoscopic flexible tube, and a covering material for the endoscopic flexible-tube base.

公开(公告)号：US20230135925A1

公开(公告)日：2023-05-04

申请号：US18147302

申请日：2022-12-28

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI ,  Kazushi FURUKAWA

IPC: A61L29/06 ,  A61L29/02

Abstract: Provided are a flexible tube for an endoscope, the flexible tube having a flexible-tube base containing metal as a constituent material, a cover layer covering an outer periphery of the flexible-tube base, and a primer layer disposed between the flexible-tube base and the cover layer and including at least one of a specific silane coupling agent, an aluminum alkoxide compound, a zirconium alkoxide compound, or a titanium alkoxide compound, in which the cover layer includes, at least on a side in contact with the primer layer, a polyester having a naphthalene structure, an endoscopic medical device using the flexible tube, a method for producing the flexible tube for an endoscope, and a method for producing the endoscopic medical device.

公开(公告)号：US20220119675A1

公开(公告)日：2022-04-21

申请号：US17566178

申请日：2021-12-30

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI ,  Kiyotaka FUKAGAWA ,  Nobuharu TAKAHASHI ,  Kazuya TAKEUCHI

IPC: C09D177/00 ,  F16L11/04 ,  C08L75/04 ,  C08L67/00 ,  A61B1/00 ,  B32B1/08 ,  B32B25/08 ,  A61B1/005 ,  C09D167/00 ,  C09D175/04

Abstract: An endoscope flexible tube having a cylindrical flexible tube base that has flexibility and a resin layer that coats the flexible tube base includes the resin layer, which is a single layer or multiple layers of two or more layers, comprises a layer A which comprises: polyester elastomers, at least one of polyurethane elastomers or polyamide elastomers, and both a hindered phenol compound and a hindered amine compound, wherein the content of the polyester elastomers in the layer A is 55 mass % or more.

公开(公告)号：US20220025152A1

公开(公告)日：2022-01-27

申请号：US17496254

申请日：2021-10-07

Applicant: FUJIFILM Corporation ,  Zeon Corporation

Inventor： Yoshihiro NAKAI ,  Yuta KAWAMOTO ,  Yoshihisa TAKEYAMA ,  Masahiro UENO

IPC: C08K3/04 ,  A61L29/12 ,  C08J3/24

Abstract: A crosslinked material for an endoscope, containing a fluorinated elastomer and fibrous carbon nanostructures including single-walled carbon nanotubes, in which the amount of the fibrous carbon nanostructures in the crosslinked material is 0.1 parts by mass or more and less than 2.0 parts by mass per 100 parts by mass of the fluorinated elastomer, and a durometer type A hardness at 23° C. measured in accordance with JIS K 6253-3:2012 is 75A or less; an endoscope using the crosslinked material for an endoscope; and a composition for forming the crosslinked material for an endoscope.

公开(公告)号：US20200206393A1

公开(公告)日：2020-07-02

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

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：US20190023831A1

公开(公告)日：2019-01-24

申请号：US16143712

申请日：2018-09-27

Applicant: FUJIFILM Corporation

Inventor： Yuzo NAGATA ,  Yoshihiro NAKAI ,  Shigeki UEHIRA ,  Atsushi OSAWA

IPC: C08G18/61 ,  C08G18/76

Abstract: Provided are a resin composition for an acoustic wave probe including, a polymer which has a structural unit having a siloxane bond and a structural unit having a urea bond, an acoustic lens using the same, the acoustic wave probe, acoustic wave measurement apparatus, ultrasound diagnostic apparatus, photoacoustic wave measurement apparatus, and ultrasound endoscope.

公开(公告)号：US20180104384A1

公开(公告)日：2018-04-19

申请号：US15831774

申请日：2017-12-05

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI ,  Takayasu NAGAI ,  Atsushi OSAWA

IPC: A61L31/06 ,  A61B5/00 ,  A61B8/00

CPC classification number: A61L31/06 ,  A61B5/0095 ,  A61B8/4281 ,  A61B8/44 ,  B06B1/067 ,  C08G77/12 ,  C08G77/20 ,  C08G77/80 ,  C08L83/04 ,  G10K11/02 ,  G10K11/30 ,  H04R19/00 ,  C08K3/22 ,  C08K5/56 ,  C08L83/00

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：US20160051228A1

公开(公告)日：2016-02-25

申请号：US14832383

申请日：2015-08-21

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI ,  Atsushi OSAWA

IPC: A61B8/00 ,  A61B5/00

CPC classification number: A61B8/4494 ,  A61B5/0095 ,  A61B8/12 ,  A61B8/4272 ,  A61B8/4444 ,  C08G77/12 ,  C08G77/20 ,  C08K3/36 ,  C08L83/04 ,  C08L83/14 ,  C08L83/00

Abstract: A composition for an acoustic-wave probe, containing a polysiloxane mixture, in which the polysiloxane mixture contains: a polysiloxane having a vinyl group; a polysiloxane having at least two Si—H groups in the molecular chain thereof; and silica particles having an average primary particle size of less than 12 nm.

Abstract translation: 一种包含聚硅氧烷混合物的声波探针组合物，其中所述聚硅氧烷混合物包含：具有乙烯基的聚硅氧烷; 在其分子链中具有至少两个Si-H基团的聚硅氧烷; 以及平均一次粒径小于12nm的二氧化硅粒子。

公开(公告)号：US20140020762A1

公开(公告)日：2014-01-23

申请号：US14034637

申请日：2013-09-24

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI ,  Hiroki SUGIURA ,  Naoyuki HANAKI ,  Kiyoshi TAKEUCHI

IPC: H01L51/00

CPC classification number: H01L51/0036 ,  C08G61/123 ,  C08G2261/3242 ,  C08G2261/3246 ,  C08G2261/3424 ,  C08G2261/344 ,  C08G2261/91 ,  C08G2261/92 ,  C08G2261/95 ,  C08L65/00 ,  H01L51/0043 ,  H01L51/0094 ,  H01L51/5012 ,  Y02E10/549

Abstract: An organic semiconductor polymer having a structural unit represented by the following Formula (I), a composition for organic semiconductor material, a photovoltaic cell and a polymer. wherein X represents Si, S or O; R1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an aromatic heterocyclic group or an oxygen atom; p represents 0, 1 or 2; herein, the bond between X and R1 is such that when X is Si, the bond is a single bond, and when X is S, the bond is a double bond. Furthermore, when X is O, p represents 0.

Abstract translation: 具有由下式（I）表示的结构单元，有机半导体材料组合物，光伏电池和聚合物的有机半导体聚合物。 其中X表示Si，S或O; R1表示氢原子，烷基，环烷基，芳基，芳族杂环基或氧原子; p表示0,1或2; 在这里，X和R 1之间的键是这样的，当X是Si时，键是单键，当X是S时，键是双键。 此外，当X为O时，p表示0。

公开(公告)号：US20230301495A1

公开(公告)日：2023-09-28

申请号：US18325121

申请日：2023-05-30

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI

IPC: A61B1/00 ,  A61L29/02 ,  A61L29/08 ,  A61L29/14 ,  A61B1/005

CPC classification number: A61B1/0011 ,  A61L29/02 ,  A61L29/085 ,  A61L29/146 ,  A61B1/005 ,  A61L2420/02 ,  A61L2420/06 ,  A61L2420/08 ,  A61M25/0045

Abstract: Provided are a flexible tube for an endoscope, the flexible tube having good elasticity, being capable of sufficiently maintaining adhesiveness between a flexible-tube base and a polymer cover layer covering the flexible-tube base even when a bending operation is repeated, and being less likely to undergo a decrease in elasticity even when the flexible tube is repeatedly heated, an endoscopic medical device including the flexible tube for an endoscope, and methods for producing the flexible tube and the endoscopic medical device.
The flexible tube for an endoscope has a flexible-tube base containing metal as a constituent material, a porous layer on the flexible-tube base, a primer layer on the porous layer, and a polymer cover layer on the primer layer. The polymer cover layer includes at least one compound of a polyamide, a polyester, a polyurethane, or a polyolefin on a side in contact with the primer layer.