公开(公告)号：US20250082305A1

公开(公告)日：2025-03-13

申请号：US18961664

申请日：2024-11-27

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI

IPC: A61B8/00

Abstract: Provided are an acoustic wave probe including a substrate, an interlayer on the substrate, and an acoustic lens layer on the interlayer, in which the interlayer is a layer containing a siloxane compound, the siloxane compound has a constitutional component derived from a hydrolyzed silicate compound, and the acoustic lens layer is a layer obtained by curing room temperature-curable silicone, in which the room temperature-curable silicone includes a constitutional unit having a phenyl group; an acoustic wave measurement apparatus; and an ultrasound diagnostic apparatus.

公开(公告)号：US20240389958A1

公开(公告)日：2024-11-28

申请号：US18790634

申请日：2024-07-31

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI

IPC: A61B6/04 ,  A61B6/00 ,  A61B6/50 ,  A61B8/00 ,  A61B8/08

Abstract: There are provided: a compression plate for a medical imaging apparatus, which is used in a medical imaging apparatus including a radiation generation unit, a radiation detection unit, an ultrasound probe, and an imaging table disposed between the radiation generation unit and the radiation detection unit and which is used for compressing a subject by sandwiching the subject between the imaging table and the compression plate, the compression plate for a medical imaging apparatus including a polymethylpentene resin-containing material having a bending elastic modulus of 1 GPa or more and a thermal deformation temperature of 100° C. or higher, in which the polymethylpentene resin-containing material contains a polymethylpentene compound containing 1 to 300 ppm of a sulfur element based on mass; a polymethylpentene resin-containing material that is suitably used for the compression plate; and a medical imaging apparatus having the compression plate.

公开(公告)号：US20240153479A1

公开(公告)日：2024-05-09

申请号：US18396935

申请日：2023-12-27

Applicant: FUJIFILM Corporation

Inventor： Kazushi FURUKAWA ,  Yoshihiro NAKAI

IPC: G10K11/02 ,  B06B1/06 ,  C08K3/08 ,  C08K5/18

CPC classification number: G10K11/02 ,  B06B1/067 ,  C08K3/08 ,  C08K5/18

Abstract: Provided are an acoustic matching layer material containing an epoxy resin (A) component having an epoxy equivalent weight of 140 or less and metal particles (B) having a density of 10 g/cm3 or more at 20° C., in which a content of particles (C) 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：US20230303789A1

公开(公告)日：2023-09-28

申请号：US18325120

申请日：2023-05-30

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI ,  Kazushi FURUKAWA

IPC: C08J7/04 ,  C08J7/043 ,  C08J9/36

CPC classification number: C08J7/0423 ,  C08J7/043 ,  C08J9/365 ,  C08J2300/22 ,  C08J2363/00

Abstract: Provided is a laminate having high sterilization resistance and suitable as a medical device constituent component and a medical device including the laminate. The laminate has a substrate, an interlayer on the substrate, and a polymer coating layer on the interlayer. The interlayer has a porous layer including a siloxane compound, and the siloxane compound has at least one of a constituent component derived from a compound bearing a reactive functional group and a hydrolyzable group or a constituent component derived from a compound bearing a hydrolyzable group having a reactive functional group.

公开(公告)号：US20220125404A1

公开(公告)日：2022-04-28

申请号：US17646518

申请日：2021-12-30

Applicant: FUJIFILM Corporation

Inventor： Kazuhiro HAMADA ,  Yoshihiro NAKAI

IPC: A61B8/00 ,  B06B1/06 ,  G10K11/02

Abstract: An acoustic matching layer material contains an epoxy resin component, a metal particle, and a ceramic particle, in which the acoustic matching layer material has an acoustic velocity of less than 3500 m/sec, and has an acoustic impedance of 18 Mrayl or more.

公开(公告)号：US20210290034A1

公开(公告)日：2021-09-23

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: A61B1/005 ,  A61B1/00 ,  C22C38/18

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：US20210129509A1

公开(公告)日：2021-05-06

申请号：US17147611

申请日：2021-01-13

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI ,  Sotaro INOMATA

IPC: B32B27/28 ,  B32B27/08 ,  B32B27/26 ,  B32B27/36 ,  B32B27/30 ,  B32B27/34 ,  B32B27/20

Abstract: There is provided a composition for a laminated material used for a medical lubricating member, the composition including a polymer b including a polysiloxane structure, a catalyst for crosslinking reaction, and a crosslinking agent having a particular structure. The polymer b includes at least one of an acrylic acid component, an acrylic acid ester component, an acrylamide component, or a styrene component and has a hydroxy group, a carboxy group, an amino group, an isocyanate group, an oxazolinyl group, an epoxy group, a vinyl group, an ethynyl group, a sulfanyl group, an azide group, a trialkoxysilyl group, or an acid anhydride structure. There are also provided a laminated material and a medical lubricating member produced from the composition, a medical device including the laminated material and the medical lubricating member, and a method for producing the laminated material and the medical lubricating member.

公开(公告)号：US20190200876A1

公开(公告)日：2019-07-04

申请号：US16353204

申请日：2019-03-14

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI ,  Atsushi HASHIMOTO

IPC: A61B5/00 ,  C08L83/04 ,  A61B8/00

CPC classification number: A61B5/0095 ,  A61B8/12 ,  A61B8/13 ,  A61B8/4444 ,  C08G77/20 ,  C08L83/04 ,  G10K11/30 ,  H04R17/00 ,  H04R19/00

Abstract: Provided are a composition for an acoustic wave probe which includes polysiloxane that has a vinyl group and a phenyl group, polysiloxane that has two or more Si—H groups in a molecular chain, a titanium oxide particle, and a silica particle, in which at least one of the titanium oxide particle (C) or the silica particle (D) is a particle subjected to surface treatment; a silicone resin for an acoustic wave probe; an 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：US20180344287A1

公开(公告)日：2018-12-06

申请号：US16045938

申请日：2018-07-26

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI ,  Atsushi OSAWA

IPC: A61B8/00 ,  A61B5/00 ,  A61B8/12 ,  C08L83/04 ,  G01S7/521 ,  G10K11/30

Abstract: Provided is a composition for an acoustic wave probe including a polysiloxane mixture containing polysiloxane having a vinyl group, polysiloxane having two or more Si—H groups in a molecular chain, 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, 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：US20170000455A1

公开(公告)日：2017-01-05

申请号：US15268899

申请日：2016-09-19

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI

IPC: A61B8/00 ,  C08L83/04

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.

Abstract translation: R 1〜R 4各自独立地表示烷基，环烷基，烯基或芳基。 m表示1以上的整数，n表示0或1〜5的整数。多个R 4中的至少2个为烯基。