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公开(公告)号:US20240261482A1
公开(公告)日:2024-08-08
申请号:US18621949
申请日:2024-03-29
Applicant: DEKA Products Limited Partnership
Inventor: Jacob W. Scarpaci , James D. Dale , Jason M. Overson , Simon C. Helmore , Eric J. VanWyk , Matthew J. Finch
CPC classification number: A61M1/28 , A61M1/152 , A61M1/155 , A61M1/1565 , A61M1/159 , A61M1/288 , A61M1/3656 , G01V8/20 , A61M1/1561 , A61M2205/12 , A61M2205/13 , A61M2205/14 , A61M2205/18 , A61M2205/3306 , A61M2205/36 , A61M2205/50 , A61M2205/502 , A61M2205/52 , A61M2205/581 , A61M2205/583 , A61M2205/702
Abstract: A medical treatment system, such as peritoneal dialysis system, may include control and other features to enhance patient comfort and ease of use. For example, a peritoneal dialysis system may include patient line state detector for detecting whether a patient line is primed before it is to be connected to the patient. The patient line state detector can also the ability to detect whether a patient line has been properly mounted for priming. Both patient line presence/absence and fill state can be determined using an optical system, e.g., one that employs a single optical sensor.
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公开(公告)号:US12023428B2
公开(公告)日:2024-07-02
申请号:US16876864
申请日:2020-05-18
Applicant: Baxter International Inc. , Baxter Healthcare SA
Inventor: Thomas D. Kelly , Marc S. Minkus , Angelito A. Bernardo , William P. Burns , Robert W. Childers , Shincy J. Maliekkal , Matthew R. Muller , Justin B. Rohde , Michael E. Hogard
CPC classification number: A61M1/3643 , A61M1/16 , A61M1/1601 , A61M1/282 , A61M1/288 , A61M1/3624 , A61M1/3627 , A61M1/3644 , A61M1/3649 , A61M2202/02 , A61M2202/0413 , A61M2205/10 , A61M2205/3382 , A61M2205/3386 , A61M2205/75 , Y10T137/0402
Abstract: A blood treatment air purging system and method includes a level detector positioned and arranged to detect a low fluid level in a blood circuit indicating a high amount of air in the blood circuit; a blood pump operable with the blood circuit; a venous patient line of the blood circuit; and at least one blood circuit air vent valve, wherein the system and method are configured or programmed to (i) stop the blood pump, (ii) close the venous patient line, and (iii) open the at least one blood circuit air vent valve to atmosphere or a container when the low fluid level is detected, and (iv) run the blood pump to meter air through the at least one blood circuit air vent valve to atmosphere or the container.
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公开(公告)号:US11964088B2
公开(公告)日:2024-04-23
申请号:US17861453
申请日:2022-07-11
Applicant: Fresenius Medical Care Holdings, Inc. , Debiotech S.A.
Inventor: Kulwinder S. Plahey , Pierre Thiebaud , John A. Biewer
CPC classification number: A61M1/288 , A61M1/3643 , A61M2205/50 , G16H20/17
Abstract: A dialysis system may include a dialysis machine (e.g., a peritoneal dialysis machine) having a fluid system for delivering fluid (e.g., dialysate) to a patient. The dialysis machine may include at least one processor and a memory coupled to the at least one processor, the memory comprising instructions that, when executed by the processor, may cause the at least one processor to determine volume information for a fluid system of a dialysis machine, wherein the volume information may comprise a patient line volume and an accuracy adjustment volume, and to determine a priming volume to prime the fluid system with a fluid based on the volume information. Other embodiments are described.
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公开(公告)号:US20240115787A1
公开(公告)日:2024-04-11
申请号:US18536637
申请日:2023-12-12
Applicant: NxStage Medical, Inc.
Inventor: Mark T. WYETH , Gregory YANTZ , Ciro A. de la VEGA
CPC classification number: A61M1/287 , A61M1/1524 , A61M1/154 , A61M1/155 , A61M1/156 , A61M1/1562 , A61M1/1565 , A61M1/159 , A61M1/1664 , A61M1/1666 , A61M1/1672 , A61M1/1674 , A61M1/1696 , A61M1/267 , A61M1/28 , A61M1/288 , A61M2205/126 , A61M2205/127 , A61M2205/128 , A61M2205/3334 , A61M2205/3344 , A61M2205/702 , C02F1/444
Abstract: Methods, device, and systems for preparing peritoneal dialysis fluid and/or administering a peritoneal dialysis treatment are disclosed. In embodiments, peritoneal dialysis fluid is prepared at a point of use automatically using a daily sterile disposable fluid circuit and one or more long-term concentrate containers that are changed only after multiple days (e.g. weekly). The daily disposable may have concentrate containers that are initially empty and are filled from the long-term concentrate containers once per day at the beginning of a treatment.
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公开(公告)号:US11717601B2
公开(公告)日:2023-08-08
申请号:US17412846
申请日:2021-08-26
Applicant: NxStage Medical, Inc.
Inventor: Jeffrey H. Burbank , James M. Brugger , Dennis M. Treu , Mark T. Wyeth
CPC classification number: A61M1/282 , A61M1/166 , A61M1/167 , A61M1/1656 , A61M1/1664 , A61M1/1668 , A61M1/1672 , A61M1/1674 , A61M1/28 , A61M1/281 , A61M1/285 , A61M1/287 , A61M1/288 , A61M2025/0002 , A61M2205/12 , A61M2205/123 , A61M2205/128 , A61M2205/14 , A61M2205/18 , A61M2205/33 , A61M2205/3331 , A61M2205/3334 , A61M2205/3351 , A61M2205/3355 , A61M2205/52 , A61M2230/005
Abstract: A treatment device system includes a treatment machine for performing a therapy on a patient, the treatment machine including at least one fluid conveyor and a controller, the controller having a first memory, to cause the at least one fluid conveyor to produce a therapeutic fluid by mixing purified water and at least one concentrate. The system also includes and a water purifier in fluid communication with and providing the purified water to the treatment machine. A wired or wireless control line provides two way communication between the controller of the treatment machine and the internal central controller of the water purifier, wherein the controller of the treatment machine transmits data via the control line to the internal central controller of the water purifier for control of the water purifier, the data provided based on at least one of the operator inputs received via the user interface.
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公开(公告)号:US11701459B2
公开(公告)日:2023-07-18
申请号:US16732882
申请日:2020-01-02
Applicant: Fresenius Medical Care Holdings, Inc.
Inventor: Palmer David Updyke , Barry Fulkerson , Amaury De Leon De Leon , Michelle Bayly
CPC classification number: A61M1/28 , A61M1/1696 , A61M1/284 , A61M1/288 , A61M2205/12 , A61M2205/3393 , A61M2205/75
Abstract: Methods, systems, and kits are provided for performing hemodialysis, hemodiafiltration, and peritoneal dialysis on a portable machine suitable for both clinical and home use. Peritoneal dialysate can be flowed into and out of the peritoneal cavity, and can also be regenerated within the system, without the need for introducing fresh dialysate. Common hardware and software can be utilized for both peritoneal dialysis and other forms of dialysis such as hemodialysis, hemofiltration, and hemodiafiltration, allowing for facile transition between different dialysis modes using the same dialysis machine.
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公开(公告)号:US20180256803A1
公开(公告)日:2018-09-13
申请号:US15973648
申请日:2018-05-08
Applicant: DEKA Products Limited Partnership
Inventor: Simon C. Helmore , David W. McGill , David J. Hibbard , James D. Dale , Matthew J. Finch , Jesse T. Bodwell , Jason A. Demers
IPC: A61M1/28
CPC classification number: A61M1/16 , A61M1/14 , A61M1/1623 , A61M1/1629 , A61M1/1631 , A61M1/1694 , A61M1/28 , A61M1/281 , A61M1/282 , A61M1/288 , A61M5/16809 , A61M5/16813 , A61M5/16827 , A61M39/1011 , A61M39/105 , A61M39/20 , A61M39/28 , A61M39/281 , A61M2039/1066 , A61M2205/12 , A61M2205/121 , A61M2205/122 , A61M2205/123 , A61M2205/127 , A61M2205/128 , A61M2205/13 , A61M2205/14 , A61M2205/3306 , A61M2205/3331 , A61M2205/3334 , A61M2205/3379 , A61M2205/36 , A61M2205/502 , A61M2209/08 , F04B43/02 , F04B43/08 , F04B43/086 , Y02A90/26
Abstract: A medical infusion fluid handling system, such as an automated peritoneal dialysis system, may be arranged to de-cap and connect one or more lines (such as solution lines) with one or more spikes or other connection ports on a fluid handling cassette. This feature may reduce a likelihood of contamination since no human interaction is required to de-cap and connect the one or more lines and the one or more spikes. For example, the automated peritoneal dialysis system may include a carriage arranged to receive the one or more lines each having a connector end and a cap. The carriage may move along a first direction so as to move the connector ends of the one or more lines along the first direction, and a cap stripper may be arranged to engage with the caps on the the one or more lines on the carriage. The cap stripper may move in a second direction transverse to the first direction, as well as to move with the carriage along the first direction.
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公开(公告)号:US10058694B2
公开(公告)日:2018-08-28
申请号:US14732571
申请日:2015-06-05
Applicant: DEKA Products Limited Partnership
Inventor: Michael G. Norris , Jacob W. Scarpaci , Robert J. Bryant, Jr. , Geoffrey P. Spencer , David J. Hibbard , James D. Dale , John M. Kerwin , Andrew S. Coll , David A. Beavers , David W. McGill , Simon C. Helmore , David B. Doherty , Edgar J. Bolton , Jinsun Yoo , Paul G. Girouard , Daniel S. Karol , Daniel B. Singer , Joseph P. Rushlow
CPC classification number: A61M39/22 , A61M1/1006 , A61M1/1012 , A61M1/1037 , A61M1/106 , A61M1/1062 , A61M1/1086 , A61M1/1087 , A61M1/1096 , A61M1/166 , A61M1/28 , A61M1/282 , A61M1/288 , A61M2205/12 , A61M2205/3331 , A61M2205/3334 , A61M2205/3379 , A61M2205/3396 , A61M2205/6063
Abstract: Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections of the apparatus being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of a diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber. Improved heater control circuitry is also disclosed, to provide added or redundant safety measures, or to reduce current leakage from a heater element during pulse width modulation control of the heater. Improvements are also disclosed in the application of negative pressure during a drain phase in peritoneal dialysis therapy, and to control the amount of intraperitoneal fluid accumulation during a therapy. Improvements in efficiency are also disclosed in the movement of fluid into and out of a two-pump cassette and heater bag of a peritoneal dialysis cycler, and in the synchronization of the operation of two or more pumps in a peritoneal dialysis cycler or other fluid handling devices using a multi-pump arrangement.
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公开(公告)号:US20180185561A1
公开(公告)日:2018-07-05
申请号:US15905944
申请日:2018-02-27
Applicant: BAXTER INTERNATIONAL INC. , BAXTER HEALTHCARE SA
Inventor: Robert W. Childers , David S. Brown , Ramesh Wariar , Sujatha Karoor , Shahid Din , Leo Martis , Cody Buchmann , Paul Soltys
CPC classification number: A61M1/1696 , A61M1/1656 , A61M1/1658 , A61M1/166 , A61M1/28 , A61M1/284 , A61M1/285 , A61M1/287 , A61M1/288 , A61M2202/0413 , A61M2205/12 , A61M2205/3306 , A61M2205/3327
Abstract: A disposable set and system for dialysis are disclosed. An example peritoneal dialysis system includes an automated peritoneal dialysis (“APD”) machine comprising a pumping mechanism and a peritoneal dialysis fluid heater. The example peritoneal dialysis system also includes a disposable set comprising a disposable cassette operable with the pumping mechanism and a heater bag operable with the heater. The example peritoneal dialysis system additionally includes a conductivity sensor positioned and arranged to provide feedback to the APD machine. The example APD machine is configured to mix a peritoneal dialysis fluid for treatment in the heater bag using a plurality of peritoneal dialysis constituent fluids. In addition, the example APD machine is configured to use feedback from the conductivity sensor to evaluate the mixed peritoneal dialysis fluid for treatment.
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公开(公告)号:US09987410B2
公开(公告)日:2018-06-05
申请号:US14703674
申请日:2015-05-04
Applicant: DEKA Products Limited Partnership
Inventor: Simon C. Helmore , David W. McGill , David J. Hibbard , James D. Dale , Matthew J. Finch , Jesse T. Bodwell , Jason A. Demers
CPC classification number: A61M1/16 , A61M1/28 , A61M1/281 , A61M1/282 , A61M1/288 , A61M5/16809 , A61M5/16813 , A61M5/16827 , A61M39/1011 , A61M39/105 , A61M39/20 , A61M39/28 , A61M39/281 , A61M2039/1066 , A61M2205/12 , A61M2205/123 , A61M2205/127 , A61M2205/128 , A61M2205/13 , A61M2205/14 , A61M2205/3306 , A61M2205/3331 , A61M2205/3334 , A61M2205/3379 , A61M2205/36 , A61M2205/502 , A61M2209/08 , F04B43/02 , F04B43/08 , F04B43/086 , Y02A90/26
Abstract: A medical infusion fluid handling system, such as an automated peritoneal dialysis system, may be arranged to de-cap and connect one or more lines (such as solution lines) with one or more spikes or other connection ports on a fluid handling cassette. This feature may reduce a likelihood of contamination since no human interaction is required to de-cap and connect the one or more lines and the one or more spikes. For example, the automated peritoneal dialysis system may include a carriage arranged to receive the one or more lines each having a connector end and a cap. The carriage may move along a first direction so as to move the connector ends of the one or more lines along the first direction, and a cap stripper may be arranged to engage with the caps on the one or more lines on the carriage. The cap stripper may move in a second direction transverse to the first direction, as well as to move with the carriage along the first direction.
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