Weight controlled and/or sorbent hybrid blood and peritoneal dialysis treatment systems and methods

• US 10,441,703 B2
• Filed: 03/23/2017
• Issued: 10/15/2019
• Est. Priority Date: 07/05/2007
• Status: Active Grant

• Current Assignee: Baxter Healthcare SA (Baxter International Inc.), Baxter International Inc.
• Original Assignee: Baxter International Inc.
• Inventors: Cicchello, Gino, Bernard, Christian, Childers, Robert W., Simiele, Anthony
• Primary Examiner(s): Bass, Dirk R
• Application Number:
  US15/467,112
• Publication Number:
  US 20170189601A1
• Time in Patent Office: 936 Days
• Field of Search: 210645, 210646, 210109, 210143, 2101952, 210741, 604 4, 604 5, 604 34
• 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 1/1561 at least one cassette surface or portion thereof being flexible, e.g. the cassette having a rigid base portion with preformed channels and being covered with a foil
• CPC Class Codes: A61M 1/15625 the reservoirs acting as balance chambers
• CPC Class Codes: A61M 1/1565 Details of valves
• CPC Class Codes: A61M 1/159 specially adapted for peritoneal dialysis
• CPC Class Codes: A61M 1/16 with membranes
• CPC Class Codes: A61M 1/1601 Control or regulation
• CPC Class Codes: A61M 1/1603 Regulation parameters
• CPC Class Codes: A61M 1/1611 Weight of the patient
• CPC Class Codes: A61M 1/1639 linked by membranes
• CPC Class Codes: A61M 1/168 Sterilisation or cleaning before or after use
• CPC Class Codes: A61M 1/1682 both machine and membrane module, i.e. also the module blood side
• CPC Class Codes: A61M 1/1686 by heat
• CPC Class Codes: A61M 1/1688 with recirculation of the sterilising fluid
• CPC Class Codes: A61M 1/169 using chemical substances
• CPC Class Codes: A61M 1/1694 with recirculating dialysing liquid
• CPC Class Codes: A61M 1/1696 with dialysate regeneration
• 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 1/284 : Continuous flow peritoneal dialysis [CFPD]
• CPC Class Codes: A61M 1/288 : Priming priming in extracorporeal blood circuits A61M1/3643
• CPC Class Codes: A61M 1/30 : Single needle dialysis ; Reciprocating systems, alternately withdrawing blood from and returning it to the patient, e.g. single-lumen-needle dialysis or single needle systems for hemofiltration or pheresis
• CPC Class Codes: A61M 1/34 : Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
• CPC Class Codes: A61M 1/3417 : using distinct filters for dialysis and ultra-filtration
• CPC Class Codes: A61M 1/3427 : back through the membrane, e.g. by inverted trans-membrane pressure [TMP]
• CPC Class Codes: A61M 1/3431 : upstream of the filter
• CPC Class Codes: A61M 1/3437 : downstream of the filter, e.g. post-dilution with filtrate
• CPC Class Codes: A61M 1/3444 : in which the collected ultra-filtrate expels an equal volume of substitution fluid from a reservoir
• CPC Class Codes: A61M 1/36224 : with sensing means or components thereof
• CPC Class Codes: A61M 1/36225 : with blood pumping means or components thereof
• CPC Class Codes: A61M 1/362262 : Details of incorporated reservoirs
• CPC Class Codes: A61M 1/362265 : Details of valves
• CPC Class Codes: A61M 2205/12 : with interchangeable cassettes forming partially or totally the fluid circuit
• CPC Class Codes: A61M 2205/128 : with incorporated valves
• CPC Class Codes: A61M 2205/3331 : Pressure; Flow
• CPC Class Codes: A61M 2205/3344 : Measuring or controlling pressure at the body treatment site
• CPC Class Codes: A61M 2205/3368 : Temperature
• CPC Class Codes: A61M 2205/3379 : Masses, volumes, levels of fluids in reservoirs, flow rates
• CPC Class Codes: A61M 2205/50 : with microprocessors or computers
• CPC Class Codes: A61M 2205/502 : User interfaces, e.g. screens or keyboards
• CPC Class Codes: A61M 2210/1017 : Peritoneal cavity
• CPC Class Codes: A61M 60/279 : Peristaltic pumps, e.g. roller pumps
• CPC Class Codes: G16H 20/40 : relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture

Abstract

A hybrid hemodialysis (“HD”)/peritoneal dialysis (“PD”) system includes: a reservoir; a weigh scale operably coupled with the reservoir; and at least one controller programmed to run (i) an HD treatment in which blood is pumped to a blood compartment of a dialyzer, fresh HD dialysis fluid is pumped to a dialysis fluid compartment of the dialyzer, and used HD dialysis fluid is pumped from the dialysis fluid compartment of the dialyzer to the reservoir, and at a different time (ii) a PD treatment in which fresh PD dialysis fluid is pumped to a patient and used PD dialysis fluid is pumped from the patient to the reservoir.

Claims

1. A hybrid hemodialysis (“

HD”

)/peritoneal dialysis (“

PD”

) system comprising;

a reservoir;

a weigh scale operably coupled with the reservoir;

at least one controller programmed to run (i) an HD treatment in which blood is pumped to a blood compartment of a dialyzer, fresh HD dialysis fluid is pumped to a dialysis fluid compartment of the dialyzer, and used HD dialysis fluid is pumped from the dialysis fluid compartment of the dialyzer to the reservoir, and at a different time (ii) a PD treatment in which fresh PD dialysis fluid is pumped to a patient and used PD dialysis fluid is pumped from the patient to the reservoir;

a dialysis fluid pumping unit fluidly connected to the reservoir;

an HD cassette configured for connection to the dialysis fluid pumping unit to run at least the fresh and used HD dialysis fluid portion of (i); and

a PD cassette configured for connection to the dialysis fluid pumping unit to run (ii), the PD cassette being interchangeable with the HD cassette for connection to the dialysis fluid pumping unit.

2. The hybrid HD/PD system of claim 1, further comprising a blood cassette configured to run the blood portion of (i).

3. The hybrid HD/PD system of claim 2, further comprising a dialysis fluid pumping apparatus configured to operate with either of the HD and PD cassettes.

4. The hybrid HD/PD system of claim 3, further comprising an additional HD unit configured to run the blood portion of (i).

5. The hybrid HD/PD system of claim 1, wherein a sorbent and/or carbon filled cartridge is located upstream of the reservoir to clean the used HD dialysis fluid being delivered to the reservoir.

6. The hybrid HD/PD system of claim 5, wherein the sorbent and/or carbon filled cartridge is located downstream of the dialysis fluid compartment of the dialyzer in (i).

7. The hybrid HD/PD system of claim 1, wherein the fresh HD dialysis fluid is pumped via a peristaltic pump under control of the at least one controller.

8. The hybrid HD/PD system of claim 7, wherein the fresh HD dialysis fluid and the fresh PD dialysis fluid are pumped at different times via the same peristaltic pump under control of the at least one controller.

9. The hybrid HD/PD system of claim 1, wherein the fresh PD dialysis fluid is pumped via a peristaltic pump under control of the at least one controller.

10. The hybrid HD/PD system of claim 1, wherein blood is pumped via a peristaltic pump under control of the at least one controller.

11. The hybrid HD/PD system of claim 1, wherein used HD and PD dialysis fluids pumped to the reservoir are weighed by the weigh scale in (i) and (ii), respectively, for analysis by the at least one controller.

12. The hybrid HD/PD system of claim 11, wherein at least one of the fresh HD dialysis fluid or the fresh PD dialysis fluid is weighed by the weigh scale for analysis by the at least one controller.

13. The hybrid HD/PD system of claim 12, wherein the at least one of the fresh HD dialysis fluid or fresh PD dialysis fluid is weighed by the weigh scale.

14. A hybrid hemodialysis (“

HD”

)/peritoneal dialysis (“

PD”

) system comprising;

a reservoir;

a weigh scale operably coupled with the reservoir;

a sorbent and/or carbon filled cartridge located upstream of the reservoir;

at least one controller programmed to run (i) an HD treatment in which blood is pumped to a blood compartment of a dialyzer, fresh HD dialysis fluid is pumped to a dialysis fluid compartment of the dialyzer, and used HD dialysis fluid is pumped from the dialysis fluid compartment of the dialyzer, through the sorbent and/or carbon filled cartridge, to the reservoir, and at a different time (ii) a PD treatment in which fresh PD dialysis fluid is pumped to a patient and used PD dialysis fluid is pumped from the patient to the reservoir;

a dialysis fluid pumping unit fluidly connected to the reservoir;

an HD cassette configured for connection to the dialysis fluid pumping unit to run at least the fresh and used HD dialysis fluid portion of (i); and

a PD cassette configured for connection to the dialysis fluid pumping unit to run (ii), the PD cassette being interchangeable with the HD cassette for connection to the dialysis fluid pumping unit.

15. The hybrid HD/PD system of claim 14, wherein in (ii) the used PD dialysis fluid is pumped from the patient, through the sorbent and/or carbon filled cartridge, to the reservoir.

16. The hybrid HD/PD system of claim 14, wherein the sorbent and/or carbon filled cartridge is configured for a single one of the HD treatments.

17. The hybrid HD/PD system of claim 14, wherein the sorbent and/or carbon filled cartridge is configured for multiple ones of the HD treatments.

18. A hybrid hemodialysis (“

HD”

)/peritoneal dialysis (“

PD”

) system comprising;

a reservoir;

at least one controller programmed to run (i) an HD treatment in which blood is pumped to a blood compartment of a dialyzer, fresh HD dialysis fluid is pumped to a dialysis fluid compartment of the dialyzer, and used HD dialysis fluid is pumped from the dialysis fluid compartment of the dialyzer to the reservoir, and at a different time (ii) a PD treatment in which fresh PD dialysis fluid is pumped to a patient and used PD dialysis fluid is pumped from the patient to the reservoir;

a pumping unit fluidly connected to the reservoir;

an HD cassette configured for connection to the pumping unit to run at least the fresh and used HD dialysis fluid portion of (i); and

a PD cassette configured for connection to the pumping unit to run (ii), the PD cassette being interchangeable with the HD cassette for connection to the pumping unit.

19. The hybrid HD/PD system of claim 18, which includes a weigh scale outputting to the at least one controller a weight measurement of the reservoir.

20. The hybrid HD/PD system of claim 18, wherein the controller is configured to adjust the programming for running at least one of (i) or (ii) based on the weight measurement from the weigh scale.