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公开(公告)号：US11874455B2
公开(公告)日：2024-01-16
申请号：US17714637
申请日：2022-04-06
CPC分类号： G02B23/2469 , G02B6/0008 , A61N5/0601 , A61N5/062 , A61N2005/063
摘要： A light irradiation device having an elongated outer shape includes: an optical fiber for emitting light from its distal end, which has a curved part, in which the distal end is oriented in a direction intersecting with a longitudinal direction of the light irradiation device by the curved part; and a light transmitting holder that retains a shape of the curved part of the optical fiber. The optical fiber has a core, or has the core and an outer surface layer, and the holder has a refractive index smaller than a refractive index of the core or a refractive index of the outer surface layer of the optical fiber.
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公开(公告)号：US11185341B2
公开(公告)日：2021-11-30
申请号：US16658518
申请日：2019-10-21
IPC分类号： A61B17/221 , A61B17/22 , A61M25/00
摘要： A catheter according to an embodiment of the present disclosure includes a mesh member, a first hollow shaft, a front end tip, a guiding film, and a core wire. The mesh member has a tubular shape and is radially expandable and contractable. The guiding film is formed with a stretchable material and is disposed on the mesh member, the guiding film having a front end located between a base end of the front end tip and a front end of the first hollow shaft. A thickness of a base end of the guiding film is larger than a thickness of the front end of the guiding film.
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公开(公告)号：US11147573B2
公开(公告)日：2021-10-19
申请号：US16658456
申请日：2019-10-21
IPC分类号： A61B17/221 , A61B17/22 , A61M25/00
摘要： A catheter according to an embodiment of the present disclosure includes a mesh member, a first hollow shaft, a front end tip, a guiding film, a second hollow shaft, and a core wire. The mesh member has a tubular shape and is radially expandable and contractable. The guiding film is disposed on the mesh member and has a front end located between a base end of the front end tip and a front end of the first hollow shaft. A thickness of the front end of the guiding film is larger than a thickness of a portion where a thickness of the guiding film is the smallest.
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公开(公告)号：US11090073B2
公开(公告)日：2021-08-17
申请号：US16658249
申请日：2019-10-21
IPC分类号： A61B17/221 , A61B17/22 , A61M25/00
摘要： A catheter including a mesh member having a tubular shape and being radially expandable and contractable, a first hollow shaft connected to a proximal end of the mesh member, a distal end tip, and a core wire. The first hollow shaft includes a distal end side shaft having a distal end connected to the proximal end of the mesh member and a proximal end side shaft having a distal end connected to a proximal end of the distal end side shaft. An opening is provided at the proximal end of the distal end side shaft in a connection portion between the distal end side shaft and the proximal end side shaft. A sealing member covering an outer periphery of the core wire and allowing the core wire to be slidable thereinside is arranged at the distal end of the proximal end side shaft in the connection portion.
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公开(公告)号：US10092733B2
公开(公告)日：2018-10-09
申请号：US15424384
申请日：2017-02-03
发明人： Toshihiko Tsukamoto , Akihiro Miki
摘要： A balloon catheter has a balloon and an outer shaft fixed to a proximal end of the balloon. Each of the proximal end of the balloon and a distal end of the outer shaft has an inner projection extending in an axial direction of the balloon catheter, an outer projection extending in the axial direction, and a gap formed between the inner projection and the outer projection. At a fixing part, the inner projection of the balloon or the outer projection of the balloon is disposed in the gap of the outer shaft, and the inner projection of the outer shaft or the outer projection of the outer shaft is disposed in the gap of the balloon. The balloon catheter has improved fixing strength between the balloon and the outer shaft without increasing an outer diameter of the fixing part between the balloon and the outer shaft.
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