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公开(公告)号：US10278843B2
公开(公告)日：2019-05-07
申请号：US15550448
申请日：2016-02-08
Applicant: PIOLAX MEDICAL DEVICES, INC.
Inventor： Yoshihide Toyokawa , Kyosuke Shirakawa
Abstract: A stent has strut parts bent in a zigzag shape, connected at both ends thereof, and formed in a ring shape, and bridge parts for connecting the strut parts in an axial direction, peak parts of strut parts excluding a strut part at the lead toward one end are all connected by bridge parts and clustered a plurality thereof at a time by the bridge parts, and connected to valley parts of struts adjacent toward the one end of the stent, and each strut part includes valley parts which are not connected to a bridge part.
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公开(公告)号：US09901357B2
公开(公告)日：2018-02-27
申请号：US14901515
申请日：2014-07-02
Applicant: PIOLAX MEDICAL DEVICES, INC.
Inventor： Risa Sase , Satoshi Yoshita , Hirofumi Kawamoto
IPC: A61B17/22 , A61B17/221
CPC classification number: A61B17/221 , A61B2017/2212
Abstract: The foreign matter capture instrument includes: a first manipulation wire; framework wire materials, the base end parts being coupled to a leading end part of the first manipulation wire, and the leading end parts being respectively bundled together; and a second manipulation wire which is coupled to the leading end parts of the framework wire materials, separates from the first manipulation wire extending toward the base end side of the first manipulation wire. By moving the first manipulation wire toward the leading end side relative to the second manipulation wire, the framework wire materials expand and configure a basket, and by further relatively moving the first manipulation wire toward the leading end side, the basket becomes shallower.
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公开(公告)号：US09636478B2
公开(公告)日：2017-05-02
申请号：US14779277
申请日：2013-03-27
Applicant: NATIONAL CANCER CENTER , PIOLAX MEDICAL DEVICES, INC.
Inventor： Yasuaki Arai , Shinichi Sakai , Yuuki Inami
CPC classification number: A61M25/0075 , A61M27/002 , A61M27/006 , A61M2025/0078
Abstract: A medical tube, which is inserted into a tubular organ and discharges and suctions fluid, is provided with a tube-shape main body which extends a prescribed length and with a valve which is disposed in a portion of the main body that is inserted into the tubular organ and can discharge or suction a fluid, wherein the valve includes multiple slits which are formed so as to extend axially of the body a prescribed length, reaching from the outer periphery to the inner periphery of the main body, and which are provided spaced in the circumferential direction of the main body. Each slit is formed tilted in the same direction with respect to a radially-extending line which passes through the axial center of the main body.
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公开(公告)号：US20160067069A1
公开(公告)日：2016-03-10
申请号：US14785304
申请日：2014-04-15
Applicant: PIOLAX MEDICAL DEVICES, INC.
Inventor： Kiyoshi YAMAUCHI , Michihiro UEGAKI , Yoshihide TOYOKAWA
CPC classification number: A61F2/91 , A61F2/915 , A61F2210/0014 , A61F2240/001 , A61L31/022 , B23K26/146 , B23K26/38 , B23K26/40 , B23K2103/14 , C22C19/007 , C22C19/07 , C22F1/10
Abstract: This stent is a self-expandable stent constituted of an Ni—Ti base alloy or Co—Cr base alloy and formed into a cylindrical shape with mesh openings. The stent has been configured so that the Af point is 22-26° C., the stress-displacement curve has a yield point, and the crystal grains in a cross-section of the stent have an average cross-sectional area, as determined by the area fraction method, of 0.2-50 μm2.
Abstract translation: 该支架是由Ni-Ti基合金或Co-Cr基合金构成的自膨胀支架，并形成为具有网孔的圆筒形状。 支架已经被配置为使得Af点为22-26℃，应力 - 位移曲线具有屈服点，并且支架横截面中的晶粒具有如所确定的平均横截面积 按面积分数法计算为0.2〜50μm。
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公开(公告)号：US20200297926A1
公开(公告)日：2020-09-24
申请号：US16617213
申请日：2018-05-25
Applicant: PIOLAX MEDICAL DEVICES, INC.
Inventor： Shinichi SAKAI , Yuuki INAMI
Abstract: There is provided a medicinal liquid injection port to be implanted subcutaneously. A housing main body is provided with a medicinal liquid storage portion therein, an opening portion that opens the medicinal liquid storage portion, and a discharge hole that communicates with the medicinal liquid storage portion and configured to be connected with a tube. A septum attached to the opening portion of the housing main body and provided with a puncturable region that can be punctured with a puncture needle. A contrast portion is disposed in the septum over a thickness direction of the septum so as to detect the puncturable region of the septum with the ultrasonic wave. The contrast portion is provided in the septum within a thickness region of the septum and all of the contrast portion is positioned at an inner side of the septum in the thickness direction of the septum.
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Patent Agency Ranking
公开(公告)号：US20170216567A1
公开(公告)日：2017-08-03
申请号：US15515068
申请日：2015-08-25
Applicant: PIOLAX MEDICAL DEVICES, INC.
Inventor： Masanori KITAGAWA , Kazutaka NANAUMI
CPC classification number: A61M25/1006 , A61M25/00 , A61M25/0052 , A61M25/10 , A61M2025/0018 , A61M2025/0079 , A61M2025/1061 , A61M2025/1079
Abstract: One embodiment provides a balloon catheter which has an inner tube having a main lumen and an outer tube which forms an expansion lumen. A part of the inner tube is connected to the outer tube at a position closer to the proximal end than a balloon, a side hole is open at the connection section, and a weak section is provided to the inner tube a position closer to the distal end than the side hole. The weak section has lower rigidity than the remaining portion of the inner tube. When the balloon is expanded by fluid supplied to the expansion lumen, the weak section is pressed by the fluid pressure to thereby close the main lumen of the inner tube.
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公开(公告)号：US20160151080A1
公开(公告)日：2016-06-02
申请号：US14901515
申请日：2014-07-02
Applicant: PIOLAX MEDICAL DEVICES, INC.
Inventor： Risa SASE , Satoshi YOSHITA , Hirofumi KAWAMOTO
IPC: A61B17/221
CPC classification number: A61B17/221 , A61B2017/2212
Abstract: The foreign matter capture instrument includes: a first manipulation wire; framework wire materials, the base end parts being coupled to a leading end part of the first manipulation wire, and the leading end parts being respectively bundled together; and a second manipulation wire which is coupled to the leading end parts of the framework wire materials, separates from the first manipulation wire extending toward the base end side of the first manipulation wire. By moving the first manipulation wire toward the leading end side relative to the second manipulation wire, the framework wire materials expand and configure a basket, and by further relatively moving the first manipulation wire toward the leading end side, the basket becomes shallower.
Abstract translation: 异物捕获仪器包括：第一操纵线; 框架线材，基端部分与第一操作线的前端部分相连，前端部分别捆扎在一起; 以及与框架线材的前端部连接的第二操作线，从与第一操作线的基端侧延伸的第一操作线分离。 通过将第一操作线相对于第二操作线朝向前端侧移动，框架线材膨胀并配置篮子，并且通过进一步使第一操作线朝向前端侧相对移动，篮变得更浅。
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公开(公告)号：US20160074149A1
公开(公告)日：2016-03-17
申请号：US14785302
申请日：2014-04-15
Inventor： Masaru TANAKA , Makiko AOKI , Chikako SATO , Yoshihide TOYOKAWA , Kyosuke SHIRAKAWA
CPC classification number: A61F2/04 , A61F2/07 , A61F2/848 , A61F2/915 , A61F2002/041 , A61F2002/072 , A61F2002/9155 , A61F2002/91575 , A61L31/10 , C08L33/14
Abstract: Provided are a stent to be placed in the bile duct and a process for producing the stent, the stent hollow being less apt to be blocked even when the stent is placed in the bile duct for a long period. The inner peripheral surface of the stent is coated with a resin layer with resistance to sludge formation that includes a polymer obtained by polymerizing 2-methoxyethyl acrylate. This stent is produced by applying a coating fluid that contains 0.1-0.5 mass % polymer obtained by polymerizing 2-methoxyethyl acrylate, to the inner peripheral surface of a stent.
Abstract translation: 提供放置在胆管中的支架和用于制造支架的方法，即使当支架长时间放置在胆管中时，支架中空也不容易被阻挡。 支架的内周面涂覆有耐污泥形成的树脂层，其包括通过聚合丙烯酸2-甲氧基乙酯获得的聚合物。 该支架通过将包含0.1-0.5质量％聚合丙烯酸2-甲氧基乙酯得到的聚合物的涂布液施加到支架的内周面来制造。
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公开(公告)号：US20040116844A1
公开(公告)日：2004-06-17
申请号：US10317201
申请日：2002-12-12
Applicant: PIOLAX MEDICAL DEVICES, INC.
Inventor： Hiroshi Takahashi , Yasuaki Arai , Hiroshi Inoue
IPC: A61M005/00
CPC classification number: A61M25/0075 , A61M27/002 , A61M2025/0078
Abstract: It is a catheter for a peritoneovenous shunt, which has a tapered distal inlet at an end of a catheter body constituted by a polyurethane tube that is 90 cm in length, 3 mm in outside diameter, and 2.8 mm in inside diameter. Further, a side inlet consisting of a plurality of through holes is provided in a side wall at a distance of 15 cm from this end. Moreover, an outlet consisting of a plurality of parallel linear slits is provided at a distance of 37 cm from the distal inlet of the catheter body.
Abstract translation: 它是用于腹腔分流的导管，其在由聚氨酯管构成的导管主体的端部具有锥形的远端入口，该聚氨酯管的长度为90厘米，外径3mm，内径为2.8毫米。 此外，由多个通孔构成的侧入口设置在与该端部15cm的距离的侧壁中。 此外，由多个平行的线状狭缝组成的出口设置在与导管体的远端入口37cm的距离处。
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公开(公告)号：US11160992B2
公开(公告)日：2021-11-02
申请号：US16462517
申请日：2017-11-15
Applicant: PIOLAX, INC. , PIOLAX MEDICAL DEVICES, INC. , B & PLUS K.K.
Inventor： Toshihiro Kimura , Satoshi Yoshita , Yasuo Yoshikawa , Takayuki Shindo
IPC: A61N5/06 , F21V23/02 , A61B17/00 , F21W131/20
Abstract: A light emitting type capsule treatment tool for irradiating light with a specific wavelength required for photoimmunotherapy, includes a power receiving coil, a magnetic member, a light emitting member and a capsule. The power receiving coil is formed by winding a conductive wire and configured to receive electric power supplied from an external transmission antenna via a magnetic flux. The magnetic member is placed on an inner circumference of the power receiving coil. The light emitting member is configured to be supplied with electric power from the power receiving coil and to emit the light with the specific wavelength. The capsule houses the power receiving coil, the magnetic member and the light emitting member.
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