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公开(公告)号：US20240307669A1
公开(公告)日：2024-09-19
申请号：US18672594
申请日：2024-05-23
发明人： Koichi HAYAKAWA
IPC分类号： A61M31/00
CPC分类号： A61M31/00 , A61M2210/1017
摘要： A medical device for applying a sheet-shaped delivery object to a target site, the medical device including a main body having an elongated shaft portion and a holding portion provided at a distal end of the shaft portion for holding the sheet-shaped delivery object, and an elongated sliding body that slides on the holding portion, in which the sheet-shaped delivery object on the holding portion can be slidably moved to the target site by sliding the sheet-shaped delivery object while being pressed by the sliding body.
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公开(公告)号：US20200023168A1
公开(公告)日：2020-01-23
申请号：US16584993
申请日：2019-09-27
发明人： Koichi HAYAKAWA , Kazunari FUKAMI
摘要： A guide wire, a medical device, and a medical method are able to achieve satisfactory workability and while ensuring safety by preventing a puncture needle portion from performing erroneous puncture. A guide wire for guiding a dilator to be inserted into a living body includes a shaft portion, a puncture portion fixed to a distal portion of the shaft portion, and whose distal side includes a needle portion for forming a hole in a biological tissue, and a deformable deformation portion fixed to the shaft portion or the puncture portion. The deformation portion located inside the dilator restricts deflection of the distal portion of the shaft portion.
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3.发明申请公开(公告)号：US20130138034A1
公开(公告)日：2013-05-30
申请号：US13741930
申请日：2013-01-15
发明人： Koichi HAYAKAWA
IPC分类号： A61M5/00
CPC分类号： A61M13/003 , A61B17/00491 , A61B17/3417 , A61B17/3474 , A61B2017/00331 , A61B2017/00495 , A61B2017/00991 , A61B2017/3433 , A61M5/00 , A61M25/0068 , A61M2005/006 , A61M2025/0004
摘要： A method of applying a liquid or powder in a body cavity of a living body involves positioning the distal portion of an applicator in the living body, wherein the applicator includes an outer tube and a nozzle having an elongated nozzle main body and a nozzle head at the distal end side of the nozzle main body. The method also includes relatively moving the outer tube and the nozzle so a curved section of the nozzle main body moves proximally relative to the outer tube and enters the outer lube to adjust the direction in which the nozzle is facing, conveying the liquid/powder through the nozzle main body and to the nozzle head, expelling the liquid or the powder from the nozzle head toward a surface in the body cavity, and discharging gas in the body cavity into the longitudinally extending gap and to outside the body cavity.
摘要翻译： 将液体或粉末施加到生物体的体腔中的方法包括将施用器的远端部分定位在生物体中，其中施用器包括外管和具有细长喷嘴主体和喷嘴头的喷嘴， 喷嘴主体的前端侧。 该方法还包括相对移动外管和喷嘴，使得喷嘴主体的弯曲部分相对于外管向近侧移动并进入外部润滑油以调节喷嘴面向的方向，将液体/粉末通过 喷嘴主体和喷嘴头，将液体或粉末从喷嘴头朝向体腔内的表面排出，并且将体腔内的气体排放到纵向延伸的间隙中并向体腔外部排出。
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公开(公告)号：US20160095602A1
公开(公告)日：2016-04-07
申请号：US14872860
申请日：2015-10-01
发明人： Koichi HAYAKAWA , Yuri AKIMOTO
CPC分类号： A61M29/00 , A61B17/00491 , A61B17/12031 , A61B17/12109 , A61B17/12186 , A61B2017/00986 , A61B2017/1205 , A61M25/0074 , A61M2025/1052
摘要： A medical device and treatment method for treating veins. The medical device includes: an elongated outer sheath; an inner member extending through inside of the outer sheath, the inner member protruding distally beyond the outer sheath; an expansion portion positioned between a distal portion of the outer sheath and a distal portion of the inner member, the expansion portion having a plurality of linear material portions extending along an axial direction of the inner member, the expansion portion being expandable in a radial direction of the inner member; a biasing member disposed inside the outer sheath biasing the inner member proximally relative to the outer sheath; and a fixing portion configured to fix the relative positions of the inner member and the outer sheath in a state in which the expansion portion has been expanded. The fixing portion is also configured to be released from the fixed state.
摘要翻译： 一种用于治疗静脉的医疗装置和治疗方法。 医疗装置包括：细长外护套; 内部构件，其延伸穿过所述外护套的内部，所述内构件向远侧突出超过所述外护套; 位于所述外护套的前端部与所述内侧构件的前端部之间的膨胀部，所述膨胀部具有沿着所述内侧构件的轴向延伸的多个线状材料部，所述膨胀部沿径向 的内部成员; 偏置构件，其设置在所述外护套内部，以相对于所述外护套向近侧偏压所述内部构件; 以及固定部，其构造成将所述内侧构件和所述外侧护套的所述相对位置固定在所述膨胀部的膨胀状态。 固定部也被构造成从固定状态释放。
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公开(公告)号：US20150094731A1
公开(公告)日：2015-04-02
申请号：US14497394
申请日：2014-09-26
发明人： Koichi HAYAKAWA
CPC分类号： A61B17/7097 , A61B17/7275 , A61B17/8805 , A61B17/8819 , A61B2017/00557 , A61B2017/564
摘要： To favorably discharge gas internally present in a device during filling of a bone filling material, a bone treatment system has a shaft that has a flow path which enables a bone filling material to be placed on a space of a radius to flow therethrough, and a filling balloon that communicates with the flow path in a distal portion of the shaft and that is filled with the bone filling material. Furthermore, the bone treatment system includes a gas discharge portion that causes air (gas) inside the flow path to flow in a direction toward a proximal end rather than the filling balloon, when the bone filling material is supplied to the flow path.
摘要翻译： 为了在填充骨填充材料期间有利地排出装置内部存在的气体，骨治疗系统具有轴，该轴具有使骨填充材料能够放置在半径的空间中流动的流动路径，并且 填充气囊，其与所述轴的远侧部分中的流动路径连通并且填充有所述骨填充材料。 此外，当骨填充材料被供应到流路时，骨治疗系统包括使得流路内的空气（气体）朝向近端的方向而不是填充气囊流动的气体排出部。
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公开(公告)号：US20240315824A1
公开(公告)日：2024-09-26
申请号：US18672401
申请日：2024-05-23
发明人： Koichi HAYAKAWA
CPC分类号： A61F2/0063 , A61B17/3468 , A61F2002/0072
摘要： A medical device for applying a sheet-shaped delivery object to a target site, the medical device including a main body having an elongated shaft portion and a holding portion provided at a distal end of the shaft portion for holding the sheet-shaped delivery object, in which the holding portion has a tapered portion widening in a tapered manner from the distal end of the shaft portion and a placement portion extending from the tapered portion, and both end portions of the placement portion are folded back inward at least on a proximal end side.
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