Peritoneal dialysis apparatus and control method thereof

• US 20040031756A1
• Filed: 07/18/2003
• Published: 02/19/2004
• Est. Priority Date: 07/19/2002
• Status: Abandoned Application

• Current Assignee: Terumo Kabushiki Kaisha
• Original Assignee: Terumo Kabushiki Kaisha
• Inventors: Suzuki, Minoru, Suzuki, Hironobu
• Application Number:
  US10/621,543
• Publication Number:
  US 20040031756A1
• Time in Patent Office: Days
• US Class Current: 210/646
• CPC Class Codes: A61M 1/152 Details related to the interface between cassette and machine
• CPC Class Codes: A61M 1/153 the cassette being adapted for heating or cooling the treating fluid, e.g. the dialysate or the treating gas
• CPC Class Codes: A61M 1/154 with sensing means or components thereof
• CPC Class Codes: A61M 1/155 with treatment-fluid pumping means or components thereof
• CPC Class Codes: A61M 1/156 Constructional details of the cassette, e.g. specific details on material or shape
• CPC Class Codes: A61M 1/1565 Details of valves
• CPC Class Codes: A61M 1/159 specially adapted for peritoneal dialysis
• CPC Class Codes: A61M 1/166 Heating for sterilisation A61M1/1686
• CPC Class Codes: A61M 1/28 Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
• CPC Class Codes: A61M 1/282 Operational modes
• CPC Class Codes: A61M 2205/127 with provisions for heating or cooling

Abstract

In a first peritoneal dialysis apparatus, a therapy start time (dialysis start time) is settable even in either a first therapy mode or a second therapy mode. The first therapy mode is adapted to calculate a total amount of dialysis fluid on the basis of an amount of infusion fluid, a staying time, and the number of cycles, and the second therapy mode is adapted to calculate a total amount of dialysis fluid and a staying time on the basis of a dialysis time, an amount of infusion fluid, and the number of cycles. In a second peritoneal dialysis apparatus, a fluid infusion time or a fluid drainage time is calculated on the basis of an amount of infusion fluid or an amount of drainage fluid and a fluid infusion rate or a fluid drainage rate, and if it is decided that fluid infusion or fluid drainage is performed for a time being twice or more the calculated fluid infusion time or fluid drainage time, an alarm indicating defective fluid infusion or defective fluid drainage is generated. In a third peritoneal dialysis apparatus, an instruction for temporary stoppage of therapy can be inputted during therapy, and a residual staying time based on the inputted instruction is displayed.

Claims

1. A peritoneal dialysis apparatus including at least one dialysis fluid container filled with a dialysis fluid, a dialysis fluid circuit containing at least one drained fluid container for recovering the dialysis fluid, fluid delivery means for delivering the dialysis fluid with said dialysis fluid container as a start point or said drained fluid container as an end point, input means for inputting dialysis conditions including an amount of infusion fluid, a staying time, the number of cycles, a total dialysis time, and a total amount of infusion fluid, and display means for displaying the inputted dialysis conditions,

wherein dialysis is performed by delivering the dialysis fluid to a patient by said delivery means and recovering the drained fluid and;

either a first therapy mode or a second therapy mode is selectable, and said first therapy mode is adapted to calculate the total amount of dialysis fluid on the basis of the amount of infusion fluid, the staying time, and the number of cycles, which are set-up and inputted in said input means, and said second therapy mode is adapted to calculate the total amount of dialysis fluid and the staying time on the basis of the dialysis time, the amount of infusion fluid, and the number of cycles, which are set-up and inputted in said input means; and

a therapy start time is settable in both said first therapy mode and said second therapy mode.

2. A peritoneal dialysis apparatus (1) according to claim 1, further including means for automatically calculating after said second therapy mode is selected and set-up, the staying time and a dialysis end time per one cycle by setting up and inputting a desired dialysis time.

3. A peritoneal dialysis apparatus including at least one dialysis fluid container filled with a dialysis fluid, a dialysis fluid circuit containing at least one drained fluid container for recovering the dialysis fluid, fluid delivery means for delivering the dialysis fluid with said dialysis fluid container as a start point or said drained fluid container as an end point, input means for inputting dialysis conditions including an amount of infusion fluid, a staying time, the number of cycles, a total dialysis time, and a total amount of infusion fluid, and also inputting a therapy start time, and a peritoneal dialysis function, and display means for displaying the inputted dialysis conditions,

wherein dialysis is performed by delivering the dialysis fluid to a patient by said delivery means and recovering the drained fluid and;

said apparatus includes;

means for calculating a dialysis end time from a desired dialysis time while the inputted set-up therapy start time is taken as a preferential value.

4. A peritoneal dialysis apparatus including at least one dialysis fluid container filled with a dialysis fluid, a dialysis fluid circuit containing at least one drained fluid container for recovering the dialysis fluid, fluid delivery means for delivering the dialysis fluid with said dialysis fluid container as a start point or said drained fluid container as an end point, input means for inputting dialysis conditions including an amount of infusion fluid (mL) and a fluid infusion rate (mL/min), and display means for displaying the inputted dialysis conditions,

wherein dialysis is performed by delivering the dialysis fluid to a patient by said delivery means and recovering the drained fluid and;

said apparatus includes;

means for calculating a fluid infusion time (min) on the basis of the amount of infusion fluid (mL) and the fluid infusion rate (mL/min);

means for deciding whether or not fluid infusion is performed for a fluid infusion time (min) over a specific ratio of the calculated fluid infusion time (min); and

means for generating an alarm indicating defective fluid infusion if it is decided that fluid infusion is defective.

5. A peritoneal dialysis apparatus according to claim 4, wherein the fluid infusion time (min) is obtained by adding a preparation time until the start of fluid infusion to a value of the amount of infusion fluid (mL)/the fluid infusion rate (mL/min).

6. A peritoneal dialysis apparatus including at least one dialysis fluid container filled with a dialysis fluid, a dialysis fluid circuit containing at least one drained fluid container for recovering the dialysis fluid, fluid delivery means for delivering the dialysis fluid with said dialysis fluid container as a start point or said drained fluid container as an end point, input means for inputting dialysis conditions including an amount of infusion fluid (mL) and a fluid drainage rate (mL/min), and display means for displaying the inputted dialysis conditions,

wherein dialysis is performed by delivering the dialysis fluid to a patient by said delivery means and recovering the drained fluid and;

said apparatus includes;

means for calculating an amount of drainage fluid (mL) on the basis of the inputted dialysis conditions, and for calculating a fluid drainage time (min) on the basis of the calculated amount of drainage fluid (mL) and the fluid drainage rate (mL/min);

means for deciding whether or not fluid drainage is performed for a fluid drainage time (min) over a specific ratio of the calculated fluid drainage time (min); and

means for generating an alarm indicating defective fluid drainage if it is decided that fluid drainage is defective.

7. A peritoneal dialysis apparatus according to claim 6, wherein the fluid drainage time (min) is obtained by adding a preparation time until the start of fluid drainage to a value of the amount of drainage fluid (mL)/the fluid drainage rate (mL/min).

8. A method of controlling a peritoneal dialysis apparatus including at least one dialysis fluid container filled with a dialysis fluid, a dialysis fluid circuit containing at least one drained fluid container for recovering the dialysis fluid, fluid delivery means for delivering the dialysis fluid with said dialysis fluid container as a start point or said drained fluid container as an end point, input means for inputting dialysis conditions including an amount of infusion fluid (mL) and a fluid infusion rate (mL/min), and display means for displaying the inputted dialysis conditions,

wherein dialysis is performed by delivering the dialysis fluid to a patient by said delivery means and recovering the drained fluid and;

said method includes;

a step of calculating a fluid infusion time (min) on the basis of the amount of infusion fluid (mL) and the fluid infusion rate (mL/min);

a step of deciding whether or not fluid infusion is performed for a fluid infusion time (min) over a specific ratio of the calculated fluid infusion time (min); and

a step of generating an alarm indicating defective fluid infusion if it is decided that fluid infusion is defective.

9. A method of controlling a peritoneal dialysis apparatus according to claim 8, wherein the fluid infusion time (min) is obtained by adding a preparation time until the start of fluid infusion to a value of the amount of infusion fluid (mL)/the fluid infusion rate (mL/min).

10. A method of controlling a peritoneal dialysis apparatus including at least one dialysis fluid container filled with a dialysis fluid, a dialysis fluid circuit containing at least one drained fluid container or recovering the dialysis fluid, fluid delivery means for delivering the dialysis fluid with said dialysis fluid container as a start point or said drained fluid container as an end point, input means for inputting dialysis conditions including an amount of infusion fluid (mL) and a fluid drainage rate (mL/min), and display means for displaying the inputted dialysis conditions,

wherein dialysis is performed by delivering the dialysis fluid to a patient by said delivery means and recovering the drained fluid and;

said method includes;

a step of calculating an amount of drainage fluid (mL) on the basis of the inputted dialysis conditions, and calculating a fluid drainage time (min) on the basis of the calculated amount of drainage fluid (mL) and the fluid drainage rate (mL/min);

a step of deciding whether or not fluid drainage is performed for a fluid drainage time (min) over a specific ratio of the calculated fluid drainage time (min); and

a step of generating an alarm indicating defective fluid drainage if it is decided that fluid drainage is defective.

11. A method of controlling a peritoneal dialysis apparatus according to claim 10, wherein the fluid drainage time (min) is obtained by adding a preparation time until the start of fluid drainage to a value of the amount of drainage fluid (mL)/the fluid drainage rate (mL/min).

12. A storage medium for storing a program used for a method of controlling a peritoneal dialysis apparatus including at least one dialysis fluid container filled with a dialysis fluid, a dialysis fluid circuit containing at least one drained fluid container for recovering the dialysis fluid, fluid delivery means for delivering the dialysis fluid with said dialysis fluid container as a start point or said drained fluid container as an end point, input means for inputting dialysis conditions including an amount of infusion fluid (mL) and a fluid infusion rate (mL), and display means for displaying the inputted dialysis conditions,

wherein dialysis is performed by delivering the dialysis fluid to a patient by said delivery means and recovering the drained fluid and;

said program includes;

a program string for carrying out a step of calculating a fluid infusion time (min) on the basis of the amount of infusion fluid (mL) and the fluid infusion rate (mL/min);

a program string for carrying out a step of deciding whether or not fluid infusion is performed for a fluid infusion time (min) over a specific ratio of the calculated fluid infusion time (min); and

a program string for carrying out a step of generating an alarm indicating defective fluid infusion if it is decided that fluid infusion is defective.

13. A storage medium for storing a program used for a method of controlling a peritoneal dialysis apparatus according to claim 12, wherein the fluid infusion time (min) is obtained by adding a preparation time until the start of fluid infusion to a value of the amount of infusion fluid (mL)/the fluid infusion rate (mL/min).

14. A storage medium for storing a program used for a method of controlling a peritoneal dialysis apparatus including at least one dialysis fluid container filled with a dialysis fluid, a dialysis fluid circuit containing at least one drained fluid container for recovering the dialysis fluid, fluid delivery means for delivering the dialysis fluid with said dialysis fluid container as a start point or said drained fluid container as an end point, input means for inputting dialysis conditions including an amount of infusion fluid (mL) and a fluid drainage rate (mL/min), and display means for displaying the inputted dialysis conditions,

wherein dialysis is performed by delivering the dialysis fluid to a patient by said delivery means and recovering the drained fluid and;

said program includes;

a program string for carrying out a step of calculating an amount of drainage fluid (mL) on the basis of the inputted dialysis conditions, and calculating a fluid drainage time (min) on the basis of the calculated amount of drainage fluid (mL) and the fluid drainage rate (mL/min);

a program string for carrying out a step of deciding whether or not fluid drainage is performed for a fluid drainage time (min) over a specific ratio of the calculated fluid drainage time (min); and

a program string for carrying out a step of generating an alarm indicating defective fluid drainage if it is decided that fluid drainage is defective.

15. A storage medium for storing a program used for a method of controlling a peritoneal dialysis apparatus according to claim 14, the fluid drainage time (min) is obtained by adding a preparation time until the start of fluid drainage to a value of the amount of drainage fluid (mL)/the fluid drainage rate (mL/min).

16. A peritoneal dialysis apparatus including at least one dialysis fluid container filled with a dialysis fluid, a dialysis fluid circuit containing at least one drained fluid container for recovering the dialysis fluid, fluid delivery means for delivering the dialysis fluid with said dialysis fluid container as a start point or said drained fluid container as an end point, input means for inputting dialysis conditions, and display means for displaying the inputted dialysis conditions,

wherein dialysis is performed by delivering the dialysis fluid to a patient by said delivery means and recovering the drained fluid and;

said apparatus includes;

means for selecting a temporary separation mode is selected during therapy, and an inputting instruction for temporary stoppage of the therapy; and

means for displaying a residual staying time on the basis of the inputted instruction.

17. A peritoneal dialysis apparatus according to claim 16, wherein means for displaying the residual staying time is a portable terminal.

18. A method of controlling a peritoneal dialysis apparatus including at least one dialysis fluid container filled with a dialysis fluid, a dialysis fluid circuit containing at least one drained fluid container for recovering the dialysis fluid, fluid delivery means for delivering the dialysis fluid with said dialysis fluid container as a start point or said drained fluid container as an end point, input means for inputting dialysis conditions, and display means for displaying the inputted dialysis conditions,

wherein dialysis is performed by delivering the dialysis fluid to a patient by said delivery means and recovering the drained fluid and;

said method includes;

a step for selecting a temporary separation mode during therapy, and inputting an instruction for temporary stoppage of the therapy; and

a step for displaying a residual staying time on the basis of the inputted instruction.

19. A storage medium for storing a program used for a method of controlling a peritoneal dialysis apparatus including at least one dialysis fluid container filled with a dialysis fluid, a dialysis fluid circuit containing at least one drained fluid container for recovering the dialysis fluid, fluid delivery means for delivering the dialysis fluid with said dialysis fluid container as a start point or said drained fluid container as an end point, input means for inputting dialysis conditions, and display means for displaying the inputted dialysis conditions,

wherein dialysis is performed by delivering the dialysis fluid to a patient by said delivery means and recovering the drained fluid and;

said program includes;

a program string for carrying out a step for selecting a temporary separation mode during therapy, and inputting an instruction for temporary stoppage of the therapy; and

a program string for carrying out a step for displaying a residual staying time on the basis of the inputted instruction.