公开(公告)号：US12122121B2

公开(公告)日：2024-10-22

申请号：US17343883

申请日：2021-06-10

Applicant: FUJIFILM Corporation

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

IPC: B32B15/08 ,  A61B1/00 ,  B32B1/08 ,  B32B15/18 ,  B32B27/08 ,  B32B27/32 ,  A61B1/005 ,  B32B27/34 ,  B32B27/36

CPC classification number: B32B15/08 ,  A61B1/0011 ,  A61B1/00135 ,  B32B1/08 ,  B32B15/18 ,  B32B27/08 ,  A61B1/005 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  B32B2307/7376 ,  B32B2535/00 ,  Y10T428/1393

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 a silane coupling agent with a specific structure having an amino group 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, 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.

公开(公告)号：US11992367B2

公开(公告)日：2024-05-28

申请号：US16941678

申请日：2020-07-29

Applicant: FUJIFILM Corporation

Inventor： Yuzo Nagata ,  Yoshihiro Nakai ,  Shigeki Uehira

IPC: A61B8/00 ,  A61B5/00 ,  C08F212/08 ,  C08F230/08 ,  C08F283/12 ,  C08F290/06 ,  C08G18/61 ,  G10K11/30 ,  H04R17/00

CPC classification number: A61B8/4281 ,  A61B5/0095 ,  A61B8/4444 ,  A61B8/445 ,  C08F212/08 ,  C08F283/12 ,  C08F290/068 ,  C08G18/61 ,  G10K11/30 ,  C08F230/08 ,  H04R17/005 ,  C08F212/08 ,  C08F220/282 ,  C08F230/08 ,  C08F212/08 ,  C08F230/08 ,  C08F220/14 ,  C08F220/14 ,  C08F230/08 ,  C08F230/08 ,  C08F220/24 ,  C08F220/14 ,  C08F230/08 ,  C08F220/24 ,  C08F212/08 ,  C08F230/08 ,  C08F212/20 ,  C08F212/08 ,  C08F230/08 ,  C08F212/20 ,  C08F220/54

Abstract: Provided are a resin material that provides a resin shaped article (such as a resin sheet) having an acoustic impedance close to that of a living body, a reduced acoustic wave attenuation even at high frequencies (such as 10 MHz), and high hardness and high tear strength, and that is suitable as a lens material for acoustic wave probes; an acoustic lens, an acoustic wave probe, an acoustic wave determination device, an ultrasound diagnostic apparatus, a photo-acoustic wave determination device, and an ultrasonic endoscope that employ the above-described resin material as a constituent material; and a method for producing the above-described acoustic lens.

公开(公告)号：US11892104B2

公开(公告)日：2024-02-06

申请号：US17566178

申请日：2021-12-30

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro Nakai ,  Kiyotaka Fukagawa ,  Nobuharu Takahashi ,  Kazuya Takeuchi

IPC: F16L11/04 ,  C08L75/04 ,  C08L67/00 ,  A61B1/00 ,  B32B1/08 ,  B32B25/08 ,  A61B1/005 ,  C09D167/00 ,  C09D175/04 ,  C09D177/00 ,  C08K5/3435 ,  C08L77/00 ,  C08K5/13

CPC classification number: F16L11/04 ,  A61B1/005 ,  A61B1/0011 ,  B32B1/08 ,  B32B25/08 ,  C08L67/00 ,  C08L75/04 ,  C09D167/00 ,  C09D175/04 ,  C09D177/00 ,  B32B2597/00 ,  C08K5/13 ,  C08K5/3435 ,  C08L77/00

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：US20210371714A1

公开(公告)日：2021-12-02

申请号：US17403967

申请日：2021-08-17

Applicant: FUJIFILM Corporation

Inventor： Kazushi FURUKAWA ,  Yoshihiro Nakai

IPC: C09J163/00 ,  C08G59/50 ,  A61B1/00 ,  C08G59/06

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 a rubber component; a cured product of the adhesive; an endoscope including the cured product fixed; and a method for producing the endoscope. Note that adhesives in which the rubber component is acrylic rubber are excluded.

公开(公告)号：US10729405B2

公开(公告)日：2020-08-04

申请号：US16102961

申请日：2018-08-14

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro Nakai ,  Atsushi Osawa

IPC: C08L83/04 ,  A61B8/00 ,  C08K5/14 ,  C08K9/06 ,  G10K11/02 ,  C08G77/04 ,  C08K3/36 ,  C08K7/18 ,  C08K13/06 ,  G10K11/30 ,  A61B5/00 ,  A61B8/12 ,  C08G77/20 ,  C08G77/00

Abstract: Provided is a composition for an acoustic wave probe including a polysiloxane mixture containing polysiloxane and silica particles of which an average primary particle diameter exceeds 16 nm and less than 100 nm and which are subjected to surface treatment, and organic peroxide, and a silicone resin for an acoustic wave probe, the 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：US10716540B2

公开(公告)日：2020-07-21

申请号：US16143712

申请日：2018-09-27

Applicant: FUJIFILM Corporation

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

IPC: A61B8/00 ,  C08G18/61 ,  C08G18/76 ,  C08G18/48 ,  C08G18/73 ,  C08G77/452 ,  A61B5/00 ,  A61B8/12 ,  G10K11/30

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：US20190218394A1

公开(公告)日：2019-07-18

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 ,  C08F257/02 ,  C08F265/06 ,  C08F265/10 ,  A61B8/00

CPC classification number: C08L83/04 ,  A61B8/00 ,  A61B8/12 ,  A61B8/4281 ,  A61B8/445 ,  C08F257/02 ,  C08F265/06 ,  C08F265/10 ,  C08F290/06 ,  C08F293/00 ,  G10K11/30 ,  H04R1/34 ,  H04R17/00 ,  H04R19/00

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.

公开(公告)号：US20190216292A1

公开(公告)日：2019-07-18

申请号：US16364605

申请日：2019-03-26

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro Nakai

IPC: A61B1/005 ,  A61B1/00 ,  B32B25/08

CPC classification number: A61B1/005 ,  A61B1/00071 ,  A61B1/0011 ,  B32B25/08 ,  B32B27/08 ,  C08L27/12 ,  C08L2203/02 ,  C08L2205/03 ,  C08L2312/00 ,  G02B23/24 ,  C08L27/16

Abstract: Provided are a sheet for an endoscope flexible tube which is formed of a composite material that contains a fluorine-containing resin component and a fluorine-containing rubber component and is obtained by polyol-crosslinking of at least parts of the fluorine-containing resin component and the fluorine-containing rubber component; an endoscope flexible tube; an endoscope; and a method of producing a sheet for an endoscope flexible tube.

公开(公告)号：US10245006B2

公开(公告)日：2019-04-02

申请号：US14832383

申请日：2015-08-21

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro Nakai ,  Atsushi Osawa

IPC: A61B8/00 ,  A61B5/00 ,  C08K3/36 ,  C08L83/04 ,  C08L83/14 ,  A61B8/12 ,  C08G77/12 ,  C08G77/20

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.

公开(公告)号：US09680103B2

公开(公告)日：2017-06-13

申请号：US14461985

申请日：2014-08-18

Applicant: FUJIFILM Corporation

Inventor： Hiroki Sugiura ,  Hiroshi Yamada ,  Naoyuki Hanaki ,  Yoshihiro Nakai ,  Kiyoshi Takeuchi

IPC: H01L51/00 ,  C08G61/12 ,  C08G65/22 ,  C08L65/00 ,  H01L51/42 ,  C08G61/02 ,  C09D165/00 ,  B82Y10/00

CPC classification number: H01L51/0043 ,  B82Y10/00 ,  C08G61/02 ,  C08G61/12 ,  C08G61/123 ,  C08G61/124 ,  C08G61/126 ,  C08G65/22 ,  C08G2261/124 ,  C08G2261/1412 ,  C08G2261/1424 ,  C08G2261/1452 ,  C08G2261/314 ,  C08G2261/3223 ,  C08G2261/3243 ,  C08G2261/3246 ,  C08G2261/344 ,  C08G2261/91 ,  C08L65/00 ,  C09D165/00 ,  H01L51/0036 ,  H01L51/0047 ,  H01L51/0094 ,  H01L51/42 ,  H01L51/4253 ,  Y02E10/549 ,  Y02P70/521

Abstract: An organic photoelectric conversion element composition including a p-type-and-n-type linked organic semiconductor polymer represented by any one of formulas (1) to (5), a thin film and a photovoltaic cell each containing the same, an organic semiconductor polymer and a compound each for use in these, and a method of producing the polymer: wherein, in formulas, A to A4 represent a group of a p-type organic semiconductor unit, and B to B3 represent a group of an n-type organic semiconductor unit; L1 to L4 represent a divalent or trivalent linking group; herein, in the formulas, at least one bonding hand represented by -* in the structures shown upperward and downward, and in the case of formula (4), L4 and (b), and L1 or L2 and (a), bond directly or through a divalent linking group; l, n, r, t, u and v represent an integer of 1 to 1,000; m and s represent an integer of 1 to 10; and p, q, l′ and n′ represent an integer of 0 to 1,000; in which p and q do not simultaneously represent 0.