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US 12,220,513 B2Granted
Patient fluid removal makeup
AssigneeGambro Lundia AB
InventorsJohn O'Mahony, Rickie Stuva
Life of this patent
Estimating the term…
Abstract
A patient fluid removal compensation volume may be determined to make up for the patient fluid removal that does not occur during machine down times, and the patient fluid removal rate may be increased until the compensating volume is satisfied.
Claims39
An extracorporeal blood treatment system comprising:
- extracorporeal blood treatment apparatus comprising one or more pumps and one or more sensors for use in performing an extracorporeal blood treatment, wherein the one or more pumps comprise an effluent pump to remove fluid from a patient during extracorporeal blood treatment according to a patient fluid removal rate;
- and
- a computing apparatus comprising one or more processors and operatively coupled to the extracorporeal blood treatment apparatus, wherein the computing apparatus is configured to:
- run the effluent pump to remove fluid from the patient based on the patient fluid removal rate during an extracorporeal blood treatment;
- stop the effluent pump;
- determine a patient fluid removal makeup volume in response to the stoppage of the effluent pump, wherein the patient fluid removal makeup volume is a volume of patient fluid that was not removed during the stoppage;
- and
- increase the patient fluid removal rate in response to the stoppage of the effluent pump and the determination of the patient fluid removal makeup volume for use after the stoppage ceases, wherein increasing the patient fluid removal rate comprises increasing the patient fluid removal rate by a selected rate of fluid removal;
- and
- re-start the effluent pump to run based on the increased patient fluid removal rate.
7 more elements
An extracorporeal blood treatment system comprising:
- extracorporeal blood treatment apparatus comprising one or more pumps and one or more sensors for use in performing an extracorporeal blood treatment, wherein the one or more pumps comprise an effluent pump to remove fluid from a patient during extracorporeal blood treatment according to a patient fluid removal rate;
- and
- a computing apparatus comprising one or more processors and operatively coupled to the extracorporeal blood treatment apparatus, wherein the computing apparatus is configured to:
- run the effluent pump to remove fluid from the patient based on the patient fluid removal rate during an extracorporeal blood treatment;
- stop the effluent pump;
- determine a patient fluid removal makeup volume in response to the stoppage of the effluent pump, wherein the patient fluid removal makeup volume is a volume of patient fluid that was not removed during the stoppage;
- increase the patient fluid removal rate in response to the stoppage of the effluent pump and the determination of the patient fluid removal makeup volume for use after the stoppage ceases, wherein increasing the patient fluid removal rate comprises increasing the patient fluid removal rate by a selected percentage in response to an increased patient fluid removal makeup volume, and wherein the selected percentage is less than or equal to 30% and greater than or equal to 7.5%;
- and
- re-start the effluent pump to run based on the increased patient fluid removal rate.
6 more elements
An extracorporeal blood treatment system comprising:
- extracorporeal blood treatment apparatus comprising one or more pumps and one or more sensors for use in performing an extracorporeal blood treatment, wherein the one or more pumps comprise an effluent pump to remove fluid from a patient during extracorporeal blood treatment according to a patient fluid removal rate;
- and
- a computing apparatus comprising one or more processors and operatively coupled to the extracorporeal blood treatment apparatus, wherein the computing apparatus is configured to:
- run the effluent pump to remove fluid from the patient based on the patient fluid removal rate during an extracorporeal blood treatment;
- stop the effluent pump;
- determine a patient fluid removal makeup volume in response to the stoppage of the effluent pump, wherein the patient fluid removal makeup volume is a volume of patient fluid that was not removed during the stoppage;
- increase the patient fluid removal rate in response to the stoppage of the effluent pump and the determination of the patient fluid removal makeup volume for use after the stoppage ceases, wherein increasing the patient fluid removal rate comprises using a patient fluid removal rate value, wherein the patient fluid removal rate value comprises one or more of:
- a selected percentage patient fluid removal rate increase;
- a selected rate of fluid removal related to mass of the patient fluid removal rate increase;
- and
- a rate based on blood flow rate,
- wherein the increased patient fluid removal rate is limited to 50% of the blood flow rate;
- and
- re-start the effluent pump to run based on the increased patient fluid removal rate.
11 more elements
An extracorporeal blood treatment system comprising:
- extracorporeal blood treatment apparatus comprising one or more pumps and one or more sensors for use in performing an extracorporeal blood treatment, wherein the one or more pumps comprise an effluent pump to remove fluid from a patient during extracorporeal blood treatment according to a patient fluid removal rate;
- and
- a computing apparatus comprising one or more processors and operatively coupled to the extracorporeal blood treatment apparatus, wherein the computing apparatus is configured to:
- run the effluent pump to remove fluid from the patient based on the patient fluid removal rate during an extracorporeal blood treatment;
- stop the effluent pump;
- determine a patient fluid removal makeup volume in response to the stoppage of the effluent pump, wherein the patient fluid removal makeup volume is a volume of patient fluid that was not removed during the stoppage;
- increase the patient fluid removal rate in response to the stoppage of the effluent pump and the determination of the patient fluid removal makeup volume for use after the stoppage ceases, wherein increasing the patient fluid removal rate comprises increasing the patient fluid removal rate by a selected rate of fluid removal related to mass of the patient in response to the determined patient fluid removal makeup volume, wherein the selected rate of fluid removal is less than or equal to 3.5 milliliters per hour per kilogram and is greater than or equal to 1 milliliter per hour per kilogram;
- and
- re-start the effluent pump to run based on the increased patient fluid removal rate.
6 more elements
An extracorporeal blood treatment system comprising:
- extracorporeal blood treatment apparatus comprising one or more pumps and one or more sensors for use in performing an extracorporeal blood treatment, wherein the one or more pumps comprise an effluent pump to remove fluid from a patient during extracorporeal blood treatment according to a patient fluid removal rate;
- and
- a computing apparatus comprising one or more processors and operatively coupled to the extracorporeal blood treatment apparatus, wherein the computing apparatus is configured to:
- run the effluent pump to remove fluid from the patient based on the patient fluid removal rate during an extracorporeal blood treatment;
- stop the effluent pump;
- determine a patient fluid removal makeup volume in response to the stoppage of the effluent pump, wherein the patient fluid removal makeup volume is a volume of patient fluid that was not removed during the stoppage;
- increase the patient fluid removal rate in response to the stoppage of the effluent pump and the determination of the patient fluid removal makeup volume for use after the stoppage ceases, wherein increasing the patient fluid removal rate comprises increasing the patient fluid removal rate by a selected rate of fluid removal, wherein the selected rate of fluid removal comprises one or more:
- a selected percentage patient fluid removal rate increase;
- and
- a selected rate of fluid removal related to mass of the patient fluid removal rate increase;
- and
- re-start the effluent pump to run based on the increased patient fluid removal makeup volume.
9 more elements
An extracorporeal blood treatment system comprising:
- extracorporeal blood treatment apparatus comprising one or more pumps and one or more sensors for use in performing an extracorporeal blood treatment, wherein the one or more pumps comprise an effluent pump to remove fluid from a patient during extracorporeal blood treatment according to a patient fluid removal rate;
- and
- a computing apparatus comprising one or more processors and operatively coupled to the extracorporeal blood treatment apparatus, wherein the computing apparatus is configured to:
- run the effluent pump to remove fluid from the patient based on the patient fluid removal rate during an extracorporeal blood treatment;
- stop the effluent pump;
- determine a patient fluid removal makeup volume in response to the stoppage of the effluent pump, wherein the patient fluid removal makeup volume is a volume of patient fluid that was not removed during the stoppage;
- increase the patient fluid removal rate in response to the stoppage of the effluent pump and the determination of the patient fluid removal makeup volume for use after the stoppage ceases, wherein increasing the patient fluid removal rate comprises increasing the patient fluid removal rate by a selected rate of fluid removal related to mass of the patient in response to an increased patient fluid removal makeup volume;
- re-start the effluent pump to run based on the increased patient fluid removal rate;
- decrease the patient fluid removal makeup volume in response to continuation of the effluent pump when using the increased patient fluid removal rate.
6 more elements
An extracorporeal blood treatment system comprising:
- extracorporeal blood treatment apparatus comprising one or more pumps and one or more sensors for use in performing an extracorporeal blood treatment, wherein the one or more pumps comprise an effluent pump to remove fluid from a patient during extracorporeal blood treatment according to a patient fluid removal rate;
- and
- a computing apparatus comprising one or more processors and operatively coupled to the extracorporeal blood treatment apparatus, wherein the computing apparatus is configured to:
- run the effluent pump to remove fluid from the patient based on the patient fluid removal rate during an extracorporeal blood treatment;
- stop the effluent pump;
- determine a patient fluid removal makeup volume in response to the stoppage of the effluent pump, wherein the patient fluid removal makeup volume is a volume of patient fluid that was not removed during the stoppage;
- increase the patient fluid removal rate in response to the stoppage of the effluent pump and the determination of the patient fluid removal makeup volume for use after the stoppage ceases, wherein increasing the patient fluid removal rate comprises increasing the patient fluid removal rate by a selected rate of fluid removal related to mass of the patient in response to an increased patient fluid removal makeup volume;
- re-start the effluent pump to run based on the increased patient fluid removal rate;
- and
- decrease the patient fluid removal rate in response to an additional volume of fluid removed from the patient being equal to the patient fluid removal makeup volume, wherein decreasing the patient fluid removal rate comprises returning the patient fluid removal rate to a value of the patient removal rate prior to the increase thereto.
7 more elements
Dependencies are inferred from the claim text.