公开(公告)号：US20150164668A1

公开(公告)日：2015-06-18

申请号：US14573895

申请日：2014-12-17

Applicant: Do Hyun PARK ,  STANDARD SCI-TECH INC.

Inventor： Do Hyun PARK ,  Sang Koo JEON

IPC: A61F2/966 ,  A61F2/82

CPC classification number: A61F2/966 ,  A61B17/3468 ,  A61B17/3478 ,  A61B2017/3454 ,  A61B2017/346 ,  A61F2/82 ,  A61F2230/0067

Abstract: Disclosed herein is a catheter for a common hepatic duct capable of inserting a stent into a bile duct, a gall bladder, and the like using endoscopic ultrasound (EUS). According to an exemplary embodiment, the catheter includes: an inner guide tube; a perforator coupled with a front end of the inner guide tube; a pressing member coupled with the inner guide tube while maintaining a predetermined interval from the perforator; a stent disposed between the perforator and the pressing member and on an outer circumferential surface of the inner guide tube; and an outer guide tube disposed on the outer circumferential surface of the inner guide tube, wherein the perforator has a cone shape or a polygonal cone shape and is formed so that a distance from a central line to an outside is reduced toward the front end based on the central line in a length direction.

Abstract translation: 本文公开了一种用于能够使用内窥镜超声（EUS）将支架插入胆管，胆囊等的普通肝导管的导管。 根据示例性实施例，导管包括：内导管; 与所述内导管的前端连接的穿孔器; 与所述内引导管连接的按压构件，同时保持与所述穿孔器的预定间隔; 支架，设置在所述穿孔器和所述按压部件之间，并且位于所述内部引导管的外周面上; 以及设置在内导管的外周面上的外引导管，其中，所述穿孔器具有锥形或多边形锥形，并且形成为使得从中心线到外侧的距离朝向前端为止 在长度方向的中心线上。

公开(公告)号：US20220304796A1

公开(公告)日：2022-09-29

申请号：US17840626

申请日：2022-06-15

Applicant: THE ASAN FOUNDATION ,  UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION ,  STANDARD SCI-TECH INC. ,  SEWOON MEDICAL CO., LTD.

Inventor： Tae Jun SONG ,  Jae Hee LEE

IPC: A61F2/04 ,  A61F2/90

Abstract: A bile duct stent and a method of manufacturing the same are disclosed. The bile duct stent having a backflow preventing means according to an embodiment of the present invention includes: a cylindrical body having a mesh structure formed by zigzagging metal wires of a shape memory alloy on a plurality of pins each disposed in a circumferential direction X and a longitudinal direction Y of a cylindrical jig; a film portion coated on cells of the metal wires of the mesh structure; and a backflow-preventing pattern film in which a hole is formed in the film portion of each cell formed at an outlet end of the cylindrical body and threads (Lasso) fixed by zigzagging to the cells of the metal wires in the circumferential direction by passing through any one hole (h) cross the outlet end one time or more to form a network structure.

公开(公告)号：US20140343683A1

公开(公告)日：2014-11-20

申请号：US14275329

申请日：2014-05-12

Applicant: STANDARD SCI-TECH INC.

Inventor： Sang Koo JEON ,  Sang Hyub LEE

IPC: A61F2/04 ,  A61F2/90

CPC classification number: A61F2/04 ,  A61F2/848 ,  A61F2/90 ,  A61F2002/041 ,  A61F2002/044 ,  A61F2002/045

Abstract: The present invention provides a medical stent with a stopper which can be inserted into lumens of a human such as the duodenum, the colon, the biliary tract, and the esophagus, and that is useful for lesions due to stricture caused by benign and malignant tumors.The medical stent with stoppers of the present invention includes a body having a cylindrical shape meshed with an elastic member and having an internal passage, and stoppers forming portions of the body and preventing the body from moving in a lesion, in which the body has a first elastic part at the center thereof, a pair of second elastic parts disposed at respective sides of the first elastic part and extending from the first elastic part, third elastic parts disposed outside of the second elastic parts and extending from the second elastic parts, and fourth elastic parts disposed outside of the third elastic parts, extending from the third elastic parts, and forming ends of the body, the stopper composed of the second elastic parts and the fourth elastic part, and the second elastic parts being larger in diameter than the first elastic part and the third elastic parts.

Abstract translation: 本发明提供一种具有塞子的医疗支架，该塞子可以插入诸如十二指肠，结肠，胆道和食道的人的内腔中，并且可用于由良性和恶性肿瘤引起的狭窄的损伤 。 本发明的具有止动件的医疗用支架具有：与具有内部通路的弹性构件形成的圆筒状的主体，形成身体的部分的阻挡物，防止身体在病变中移动，其中，身体具有 第一弹性部分在其中心处，一对第二弹性部分设置在第一弹性部分的两侧并从第一弹性部分延伸，第三弹性部分设置在第二弹性部分的外侧并从第二弹性部分延伸， 第四弹性部件设置在第三弹性部分的外侧，从第三弹性部分延伸，并且形成本体的端部，由第二弹性部件和第四弹性部件构成的止动件，并且第二弹性部件的直径大于 第一弹性部件和第三弹性部件。