IP Library › Granted Patent US 12,475,997
Granted Patent B2
US 12,475,997 · App. 16/499,291 · Granted Nov 18, 2025

Dialysis cassette with RFID chip

Inventors: Keith Heyes (Warwickshire, GB); Clive Henry Buckberry (Warwickshire, GB); Eduardo Esser (Warwickshire, GB); Alan Barlow (Warwickshire, GB)
Assignee: QUANTA DIALYSIS TECHNOLOGIES LIMITED
G16H40/40A61M1/15A61M1/152A61M1/168G16H20/10A61M1/154A61M1/15625A61M2205/3553A61M2205/502A61M2205/60A61M2205/70
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Quick Facts
Patent No.
US 12,475,997
App. No.
16/499,291
Granted
Nov 18, 2025
Kind
B2
Abstract

A fluidic cartridge for use with a dialysis system, a method of manufacturing the fluidic cartridge, a dialysis machine and a method of operating the dialysis machine with the fluidic cartridge. The fluidic cartridge has a data storage unit, the data storage unit stores data relating to one or more physical properties of the cartridge. A cartridge for use in a portable dialysis machine and a portable dialysis machine. The cartridge has a data storage unit, the data storage unit stores data relating to sterilisation of the cartridge.

Claims (27)

1 . A fluidic cartridge for use with a dialysis machine, the fluidic cartridge comprising:

a readable, writable, and non-volatile data storage unit storing data for use by the dialysis machine,

wherein the data stored on the readable, writable, and non-volatile data storage unit includes one or more actual size dimension values of conductivity cells of the fluidic cartridge including deviations from nominal values of the one or more actual size dimension values of the conductivity cell of the fluidic cartridge as a result of manufacturing tolerances applied during manufacture of the fluidic cartridge, the data stored on the readable, writable, and non-volatile data storage unit identifies dialysate composition requirements for a particular patient,

wherein the one or more actual size dimension values correspond to actual cross-sectional area of the conductivity cell, the conductivity of dialysate solution in the conductivity cell is measurable using the actual cross-sectional area of the conductivity cell and is comparable to the identified dialysate composition requirements for the particular patient.

2 . The fluidic cartridge of claim 1 , wherein the readable, writable, and non-volatile data storage unit is at least one of an RFID chip, an optical pattern, and a physical pattern, and/or the data storage unit is configured to be at least one of readable and writable by the dialysis machine.

3 . The fluidic cartridge of claim 1 , wherein the readable, writable, and non-volatile data storage unit is configured to be readable and writable by the dialysis machine.

4 . The fluidic cartridge of claim 1 , wherein the readable, writable, and non-volatile data storage unit is configured to be written to and/or readable by a dialysis system.

5 . The fluidic cartridge of claim 1 , wherein the data stored on the readable, writable, and non-volatile data storage unit further relates to at least one of:

(a) verification that the fluidic cartridge is suitable for use with a particular dialysis machine including an intended function of the fluidic cartridge with the dialysis machine comprising one or more of a travel mode or recycled dialysate,

(b) sterilization of the fluidic cartridge,

(c) the origin of the fluidic cartridge,

and

(d) verification that the fluidic cartridge is suitable for use with a particular dialysis machine including an intended function of the fluidic cartridge with the dialysis machine wherein the intended function comprises hemodiafiltration.

6 . The fluidic cartridge of claim 5 , wherein the data related to sterilization of the fluidic cartridge corresponds to data relating to whether the fluidic cartridge has been sterilized since it was last used.

7 . The fluidic cartridge of claim 5 , wherein the data stored on the readable, writable, and non-volatile data storage unit related to sterilization of the fluidic cartridge corresponds to data relating to a type of sterilization used to sterilize the fluidic cartridge.

8 . The fluidic cartridge of claim 1 , wherein the data stored on the readable, writable, and non-volatile data storage unit further relates to whether the fluidic cartridge is suitable for use with reused and cleaned dialysate.

9 . The fluidic cartridge of claim 1 , wherein the data stored on the readable, writable, and non-volatile data storage unit is related to patient identifying information of a patient who has previously used the fluidic cartridge.

10 . The fluidic cartridge of claim 1 , wherein the data stored on the readable, writable, and non-volatile data storage unit further relates to at least one of an extent of maximum usage duration of the fluidic cartridge or age of the fluidic cartridge.

11 . The fluidic cartridge of claim 1 , wherein the data stored on the readable, writable, and non-volatile data storage unit further relates to transportation of the fluidic cartridge.

12 . The fluidic cartridge of claim 1 , wherein the data stored on the readable, writable, and non-volatile data storage unit further includes software intended for use with the fluidic cartridge.

13 . The fluidic cartridge of claim 1 , wherein the data stored on the readable, writable, and non-volatile data storage unit further relates to an intended geographical usage of the fluidic cartridge.

14 . The fluidic cartridge of claim 1 , wherein the data stored on the readable, writable, and non-volatile data storage unit further relates to a patient treatment protocol.

15 . The fluidic cartridge of claim 1 , wherein the data stored on the readable, writable, and non-volatile data storage unit further includes a unique locking code.

16 . The fluidic cartridge of claim 1 , wherein the data stored on the readable, writable, and non-volatile data storage unit further includes temperature of storage of the fluidic cartridge.

17 . The fluidic cartridge of claim 1 , wherein the data stored on the readable, writable, and non-volatile data storage unit further includes humidity of storage of the fluidic cartridge.

18 . The fluidic cartridge of claim 1 , wherein the data stored on the readable, writable, and non-volatile data storage unit further includes UV level exposure of the fluidic cartridge.

19 . The fluidic cartridge of claim 1 , wherein the data stored on the readable, writable, and non-volatile data storage unit includes date and time information of storage and transport of the fluidic cartridge.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 12, 2019
From: HEYES, KEITH JAMES; BUCKBERRY, CLIVE; ESSER, EDUARDO; BARLOW, ALAN
To: QUANTA DIALYSIS TECHNOLOGIES LIMITED
Reel/Frame 050985/0829 →
Priority Claims (1)
GB 1705273 · Mar 31, 2017 · national
Continuity (1)
Related Publication 20210110920A1 · Apr 15, 2021
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