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公开(公告)号：US20240299727A1
公开(公告)日：2024-09-12
申请号：US18275270
申请日：2022-02-04
申请人： NIPRO CORPORATION
发明人： Takeshi YAMAGUCHI , Sachiko ISHIDA
IPC分类号： A61M60/113 , A61M1/36 , A61M60/279 , A61M60/37
CPC分类号： A61M60/113 , A61M1/367 , A61M60/279 , A61M60/37
摘要： An extracorporeal circuit includes a tube holder holding a pump tube and line tubes. The tube holder has first and second tube holding portions holding the pump tube in a loop shape and holding the line tubes and a fixing plate coupling the first tube holding portion and the second tube holding portion to each other. The fixing plate is configured such that a line-tube-side end thereof is inclined to a pump tube side from a second tube holding portion side toward a first tube holding portion side.
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公开(公告)号：US20170319086A1
公开(公告)日：2017-11-09
申请号：US15522642
申请日：2015-10-28
申请人： NIPRO CORPORATION
发明人： Toshiaki MASUDA , Takeshi YAMAGUCHI
CPC分类号： A61B5/02241 , A61B5/02007 , A61B5/02141 , A61B5/026 , A61M1/3639 , A61M2205/3331
摘要： A blood circuit having a pressure measurement portion connected to a pressure measurement device includes: a first measurement portion provided downstream of a pumping segment; and a second measurement portion provided upstream of the pumping segment. The first measurement portion includes: a first housing having a tubular shape; and a first flexible membrane having a tubular shape and provided in the first housing. The second measurement portion includes: a second housing having a tubular shape; and a second flexible membrane having a tubular shape and provided in the second housing. A space between the first flexible membrane and the first housing is larger than a space between the second flexible membrane and the second housing in an initial state before permitting the blood to flow.
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公开(公告)号：US20200230307A1
公开(公告)日：2020-07-23
申请号：US16650586
申请日：2018-09-21
申请人： NIPRO CORPORATION
摘要： Provided is a tube set which is capable of easily determining whether a holder has been mounted when the holder is mounted on a housing. The tube set, which is provided in a tube pump that feeds a liquid, includes a pump tube and a holder. The holder has a flexible flat plate and includes first engagement portion and second engagement portions that arc located away from each other in a first direction. The first engagement portion and second engagement portions are configured to be fitted into first engagement groove and second engagement grooves formed in the housing, respectively, when the holder is pushed into the housing in a state of being bent in a thickness direction. The holder is elastically restored to be attached to the housing when the first engagement portion and the second engagement portions are fitted into the respective first engagement groove and the second engagement grooves, respectively. The holder has a flexural modulus of 500 MPa or more and 3500 MPa or less.
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公开(公告)号：US20240068464A1
公开(公告)日：2024-02-29
申请号：US18504990
申请日：2023-11-08
申请人： NIPRO CORPORATION
IPC分类号： F04B43/12 , A61M60/279
CPC分类号： F04B43/1253 , A61M60/279 , A61M60/37
摘要： Provided is a tube set which is capable of easily determining whether a holder has been mounted when the holder is mounted on a housing. The tube set, which is provided in a tube pump that feeds a liquid, includes a pump tube and a holder. The holder has a flexible flat plate and includes first and second engagement portions located away from each other in a first direction. The first and second engagement portions are configured to be fitted into first and second engagement grooves formed in the housing, respectively, when the holder is pushed into the housing in a state of being bent in a thickness direction. The holder is elastically restored to be attached to the housing when the engagement portions are fitted into the respective engagement grooves. The holder has a flexural modulus of 500 MPa or more and 3500 MPa or less.
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公开(公告)号：US20190160265A1
公开(公告)日：2019-05-30
申请号：US16306624
申请日：2017-06-02
申请人： NIPRO CORPORATION
发明人： Yoshiei ONO , Kohzo ISHIKURA , Tatsuya KUDO , Takeshi YAMAGUCHI
摘要： The present invention provides a needle tip protector of a novel structure for an indwelling needle, which enables improvements in safety, etc. as compared with conventional needle tip protectors. A needle tip protector 10 for an indwelling needle includes a tubular peripheral wall 58, and is externally attached over a needle hub 22 of an indwelling needle 16 and moved toward a needle tip 14 side so as to cover the needle tip 14. Detents 74, 74, which are to be detained with the needle hub 22 at a position in a movement of the protector toward the needle tip 14 side of the indwelling needle 16 so as to inhibit backward movement of the protector to the proximal end side of the indwelling needle 16 and to prevent the needle tip 14 from being reexposed, are formed within an inside enclosed by the peripheral wall 58, and are integrally molded with the peripheral wall 58.
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