DEVICE HAVING ELECTRODES FOR BIO-IMPEDANCE MEASUREMENT FOR DIALYSIS

• US 20150164370A1
• Filed: 04/26/2013
• Published: 06/18/2015
• Est. Priority Date: 04/26/2012
• Status: Active Grant

• Current Assignee: Fresenius Medical Care Deutschland GmbH (Fresenius SE & Co. KGaA)
• Original Assignee: Fresenius Medical Care Deutschland GmbH (Fresenius SE & Co. KGaA)
• Inventors: Wabel, Peter, Groeber, Tobias, Moissl, Ulrich, Chamney, Paul, Wieskotten, Sebastian
• Granted Patent: US 10,376,176 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 2560/0468 Built-in electrodes
• CPC Class Codes: A61B 5/0537 Measuring body composition by impedance, e.g. tissue hydration or fat content
• CPC Class Codes: A61B 5/4836 Diagnosis combined with treatment in closed-loop systems or methods A61B5/0036 takes precedence
• CPC Class Codes: A61B 5/4875 Hydration status, fluid retention of the body
• CPC Class Codes: A61M 1/14 Dialysis systems; Artificial kidneys; Blood oxygenators semi-permeable membranes characterised by the material, manufacturing processes therefor B01D71/00; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
• 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 2205/3303 Using a biosensor
• CPC Class Codes: F04C 2270/041 Controlled or regulated

Abstract

Electrodes for a bio-impedance measuring device or a body composition monitor, the electrodes being integral with or being attached to a surface of at least one device belonging to a group of electronic and/or non-electronic devices used in the preparation of a dialysis treatment or during dialysis, in particular during peritoneal dialysis, the group preferably consisting of organizers of a continuous ambulatory peritoneal dialysis system (CAPD), automated peritoneal dialysis devices, automated peritoneal dialysis-cyclers (APD-Cycler), bioelectrical impedance analyzers (BIA), body composition monitors (BCM), hand-held electrodes holders for the electrodes, and dialysis apparatuses. Devices and methods used during dialysis are also described.

Claims

1. Electrodes (10) for a bio-impedance measuring device (30) or a body composition monitor, the electrodes (10) being integral with or being attached to a surface of at least one device belonging to a group of electronic and/or non-electronic devices used in the preparation of a dialysis treatment or during dialysis, in particular during peritoneal dialysis, the group preferably consisting of organizers (20) of a continuous ambulatory peritoneal dialysis system (CAPD), automated peritoneal dialysis devices, automated peritoneal dialysis-cyclers (APD-Cycler) (40), bioelectrical impedance analyzers (BIA) (30), body composition monitors (BCM), hand-held electrodes holders (50) for the electrodes, and dialysis apparatuses.

2. Electrodes (10) according to claim 1, wherein the electrodes (10) are detachably attached to the electronic and/or a non-electronic device.

3. Electrodes (10) according to claim 1, wherein the electrodes (10) are non-detachably attached to the electronic and/or a non-electronic device.

4. Electrodes (10) according to any one of the claims 1 to 3, wherein at least one electrode (10) is a non-disposable and/or reusable electrode.

5. Electrodes (10) according to any one of the preceding claims, wherein a first electrode (10) and a second electrode (10) are integrated or arranged having a distance between them, which is particularly in the range of 2.5 to 15 cm, and more particularly in a range of 4 to 7.5 cm.

6. Electrodes (10) according to any one of the preceding claims, wherein the electrodes (10) have at least one connection element (24) to connect at least one electrode (10) to at least one bioelectrical impedance analyzer (30) or/and at least one body composition monitor.

7. Electrodes (10) according to any one of the preceding claims, wherein a first electrode (10) and a second electrode (10) are arranged on different surfaces of the electronic or non-electronic device.

8. Device for use during dialysis or while preparing a dialysis treatment or being intended to be used during dialysis or while preparing a dialysis treatment, in particular peritoneal dialysis, comprising at least one integrated and/or attached electrode (10) according to any one of the preceding claims.

9. Device according to claim 8, the device being selected from the group consisting of organizers (20) of a continuous ambulatory peritoneal dialysis system, automated peritoneal dialysis devices, automated peritoneal dialysis-cyclers (40), hand-held electrodes holders (50), and dialysis machines.

10. Device according to claim 8 or claim 9, the device being or comprising a bioelectrical impedance analyzer (30), a body composition monitor or both, or being connected thereto.

11. Device according to claim 10, wherein the device is configured to start measuring the bioelectrical impedance or the body composition measurements or both upon touching at least one of the electrodes.

12. Device according to claim 10, wherein the device is configured to start measuring or to allow measuring the bioelectrical impedance or the body composition measurements, or both, upon or by inserting a dial or another element such as a connector, in particular a stay safe connector, into the device.

13. Device according to any of claims 8 to 12, wherein the device comprises a device for sending a measurement result to a dialysis apparatus, to a medical monitoring centre, to a medical card of the patient, or to at least two of the aforementioned recipients.

14. Dialysis apparatus, the dialysis apparatus comprising at least one of the electrodes (10) according to any one of claims 1 to 7, or the device of claims 8 to 13, or both, or being in signal communication therewith to receive results of measurement carried out by means of the electrodes.

15. Dialysis apparatus according to claim 14, the dialysis apparatus comprising a control unit, the control unit being configured to control the dialysis treatment based on the signal representing the results of measurement carried out by means of the electrodes.

16. Method for determining parameters for estimating the hydration or the nutritional status of a dialysis patient comprising the steps:

touching at least two electrodes (10) according to any one of the claims 1 to 7 with at least two body portions, the electrodes (10) being connected to a bioelectrical impedance analyzer (30) or a body composition monitor or both; and

collecting and processing information received from the electrodes (10) in a processing element of a bioelectrical impedance analyzer (30) or a body composition monitor or both.

17. Method according to claim 16, comprising the step:

adjusting the treatment parameters of a dialysis treatment to the results of a bioelectrical impedance analysis carried out by the bioelectrical impedance analyzer (30) or the body composition monitor or both.

18. Method according to any of claims 16 to 17, comprising the step:

starting the bioelectrical impedance measurement by touching of at least one electrode (10).

19. Method according to any of claims 16 to 18, comprising the step:

adjusting or controlling the dialysis treatment in an automatic manner based on a measurement result achieved by the method of the method of claims 16 to 18.

20. Non-transitory computer-readable medium with an executable program stored thereon, wherein the program instructs a programmable computer system to perform the steps of any of the methods according to any of claims 16 to 19.