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公开(公告)号：US20200155747A1
公开(公告)日：2020-05-21
申请号：US16712385
申请日：2019-12-12
Applicant: NxStage Medical, Inc.
Inventor： Orlando SOTO , Joseph RAUSA , James M. BRUGGER , William J. SCHNELL , Goetz FRIEDERICHS , Jeffrey H. BURBANK , Joseph E. TURK, JR. , Scott W. NEWELL , Amanda WOZNIAK
IPC: A61M1/16
Abstract: A conductivity measurement device includes first and second conductivity measurement flow channels positioned in a fluid circuit and fluidly linked for fluid flow between the first and second conductivity measurement flow channels. A controller having a current source connected to the first and second conductivity channels applies alternating voltages at frequencies that are different, each being respective to one of the first and second conductivity cells.
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Patent Agency Ranking
公开(公告)号：US20170296730A1
公开(公告)日：2017-10-19
申请号：US15337999
申请日：2016-10-28
Applicant: NXSTAGE MEDICAL, INC.
Inventor： Orlando SOTO , Joseph RAUSA , James M. BRUGGER , William J. SCHNELL , Goetz FRIEDERICHS , Jeffrey H. BURBANK , Joseph E. TURK , Scott W. NEWELL , Amanda WOZNIAK
IPC: A61M1/16
CPC classification number: A61M1/1668 , A61M1/1666 , A61M5/14228 , A61M2205/12 , A61M2205/3317 , A61M2205/3368
Abstract: Embodiments include a consumable medical device comprises a rigid cartridge to which a film is adhered to form a fluid channel and a damper chamber. A portion of the film forming the damper chamber has a wave-like shape adapted to roll onto a tip of a damper. The damper has a plunger to minimize peristaltic pressure in the channel The cartridge may include conductivity measurement channels. Crosstalk may be minimized by using different frequencies or time division for reading the channels. A stable dialysate concentrate containing sodium lactate may be used or generated with the system. The concentrate may be formed to higher concentration than feasible with a single component concentrate by forming two containers of concentrate, each containing a fraction of a total quantity of sodium lactate required for a predefined number of dialysis
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公开(公告)号：US20250065025A1
公开(公告)日：2025-02-27
申请号：US18944389
申请日：2024-11-12
Applicant: NxStage Medical, Inc.
Inventor： James M. BRUGGER , Jeffrey H. BURBANK , Goetz FRIEDERICHS , Scott W. NEWELL , William J. SCHNELL , Orlando SOTO
Abstract: A medicament preparation system includes a disposable cartridge with a flow path. Various sensors may be placed on the cartridge to measure qualities of the fluid flowing through the flow path. The sensors are placed in precise locations using various approaches that make manufacturing of the cartridge efficient and repeatable. A drain line that is susceptible to fouling may be preattached and various approaches are used to remove or reduce the fouling. An elastomeric contact can also be present in the medical preparation system and used in a conductivity measurement subsystem.
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公开(公告)号：US20200171230A1
公开(公告)日：2020-06-04
申请号：US16621827
申请日：2018-06-24
Applicant: NxStage Medical, Inc.
Inventor： James M. BRUGGER , Jeffrey H. BURBANK , Goetz FRIEDERICHS , Scott W. NEWELL , William J. SCHNELL , Orlando SOTO
Abstract: A medicament preparation system includes a disposable cartridge with a flow path. Various sensors may be placed on the cartridge to measure qualities of the fluid flowing through the flow path. The sensors are placed in precise locations using various approaches that make manufacturing of the cartridge efficient and repeatable. A drain line that is susceptible to fouling may be preattached and various approaches are used to remove or reduce the fouling. An elastomeric contact can also be present in the medical preparation system and used in a conductivity measurement subsystem.
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公开(公告)号：US20230293794A1
公开(公告)日：2023-09-21
申请号：US18200666
申请日：2023-05-23
Applicant: NxStage Medical, Inc.
Inventor： Orlando SOTO , Joseph RAUSA , James M. BRUGGER , William J. SCHNELL , Goetz FRIEDERICHS , Jeffrey H. BURBANK , Joseph E. TURK, JR. , Scott W. NEWELL , Amanda WOZNIAK
IPC: A61M1/16
CPC classification number: A61M1/1668 , A61M1/1666 , A61M1/1605 , A61M1/1601 , A61M2205/3368 , A61M2205/3317 , A61M2205/12 , A61M5/14228
Abstract: A conductivity measurement device includes first and second conductivity measurement flow channels positioned in a fluid circuit and fluidly linked for fluid flow between the first and second conductivity measurement flow channels. A controller having a current source connected to the first and second conductivity channels applies alternating voltages at frequencies that are different, each being respective to one of the first and second conductivity cells.
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公开(公告)号：US20220296792A1
公开(公告)日：2022-09-22
申请号：US17837405
申请日：2022-06-10
Applicant: NxStage Medical, Inc.
Inventor： James M. BRUGGER , Jeffrey H. BURBANK , Goetz FRIEDERICHS , Scott W. NEWELL , William J. SCHNELL , Orlando SOTO
Abstract: A medicament preparation system includes a disposable cartridge with a flow path. Various sensors may be placed on the cartridge to measure qualities of the fluid flowing through the flow path. The sensors are placed in precise locations using various approaches that make manufacturing of the cartridge efficient and repeatable. A drain line that is susceptible to fouling may be preattached and various approaches are used to remove or reduce the fouling. An elastomeric contact can also be present in the medical preparation system and used in a conductivity measurement subsystem.
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