IP Library › Granted Patent US 12,230,868
Granted Patent B2
US 12,230,868 · App. 17/051,403 · Granted Feb 18, 2025

Device for inductive energy transfer into a human body, for example, and use of said device

Inventors: Leon Wenning (Karlsruhe, DE); Marius-Ovidiu Popescu (Sachsenheim, DE); Samuel Vasconcelos Araujo (Esslingen, DE); Michael Jiptner (Besigheim, DE)
Assignee: KARDION GMBH
H01Q1/273A61B5/0031A61M60/178A61M60/216A61M60/873H01F27/366
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Quick Facts
Patent No.
US 12,230,868
App. No.
17/051,403
Granted
Feb 18, 2025
Kind
B2
Abstract

The invention relates to a device ( 10 ) for inductive energy transmission into a human body ( 1 ) with a transmitter unit ( 23 ) having a transmission coil ( 25 ), wherein the transmission coil ( 25 ) has a coil winding ( 26 ). According to the invention, the carrier element ( 32 ) is a surface area-forming flexible structure that can be made to conform to a body contour, and the coil winding ( 26 ) of the transmission coil ( 25 ) is fixed to the carrier element ( 32 ).

Claims (29)

1. A device for inductive energy transmission into a human body, comprising:

a transmitter unit comprising a transmission coil, the transmission coil comprising a coil winding;

a carrier element comprising a surface area-forming flexible structure configured to conform to a body contour, wherein the coil winding of the transmission coil is fixed to the carrier element; and

a ferrite element comprising a ferrite material fixed to at least one of the coil winding and the surface area-forming flexible structure such that the coil winding is disposed between the surface area-forming flexible structure and the ferrite element, wherein the ferrite element comprises two or more discrete ferrite segments individually attached to at least one of the coil winding and the surface area-forming flexible structure, wherein the coil winding is disposed between the two or more discrete ferrite segments and the surface area-forming structure.

2. The device according to claim 1 , wherein the surface area-forming flexible structure comprises a structure selected from the group consisting of non-wovens, fabric, mesh, braid, sewn fabrics, bodies containing or consisting of silicone rubber, and bodies containing an elastomer.

3. The device according to claim 1 , wherein the coil winding is accommodated in the carrier element.

4. The device according to claim 1 , wherein sections of the ferrite element forming the coil winding are arranged adjacent to one another and alternately enveloped on their side facing the carrier element and on their side facing away from the carrier element by a thread guided by the carrier element.

5. The device according to claim 1 , wherein the coil winding of the transmission coil is glued to the carrier element.

6. The device according to claim 1 , wherein the ferrite element comprises a magnetic core.

7. The device according to claim 6 , wherein the two or more discrete ferrite segments are movable relative to one another.

8. The device according to claim 7 , wherein the two or more discrete ferrite segments are separated by a maximum distance of 5 mm.

9. The device according to claim 7 , wherein the two or more discrete ferrite segments further comprise recesses for guiding fixing threads, wherein the fixing threads fix the two or more discrete ferrite segments to the carrier element.

10. The device according to claim 7 , wherein the two or more discrete ferrite segments further comprise recesses for guiding fixing threads, wherein the fixing threads fix the two or more discrete ferrite segments to the coil windings of the transmission coil.

11. The device according to claim 7 , wherein the two or more discrete ferrite segments further comprise recesses for guiding fixing threads, wherein the fixing threads fix the two or more discrete ferrite segments and the coil winding of the transmission coil to the carrier element.

12. The device according to claim 6 , wherein the magnetic core is at least regionally flexible.

13. The device according to claim 6 , wherein the magnetic core is a surface area-forming flexible structure configured to conform to a body contour.

14. The device according to claim 1 , wherein the ferrite material comprises a soft magnetic ferrite material.

15. The device according to claim 1 , further comprising a shielding element arranged on the side of the coil winding of the transmission coil facing away from the carrier element for shielding a magnetic field of the transmission coil.

16. The device according to claim 15 , wherein the shielding element is at least regionally flexible.

17. The device according to claim 15 , wherein the shielding element forms a surface and comprises at least one layer with a ferrite film.

18. The device according to claim 15 , wherein the shielding element is a surface area-forming flexible structure configured to conform to a body contour.

19. The device according to claim 15 , wherein the shielding element is at least indirectly connected to the carrier element by an adhesive bond.

20. The device according to claim 15 , wherein the shielding element covers the coil winding of the transmission coil.

21. The device according to claim 1 , wherein the transmission coil has coil windings with an electrical winding conductor that are concentric to a coil axis, wherein the coil axis passes through the carrier element for the coil winding.

22. A method for inductively transmitting energy into a human body, the method comprising:

inductively transmitting energy into a human body using a device comprising:

a transmitter unit comprising a transmission coil, the transmission coil comprising a coil winding;

a carrier element comprising a surface area-forming flexible structure configured to conform to a body contour, wherein the coil winding of the transmission coil is fixed to the carrier element; and

a ferrite element comprising a ferrite material fixed to at least one of the coil winding and the surface area-forming flexible structure such that the coil winding is disposed between the surface area-forming flexible structure and the ferrite element, wherein the ferrite element comprises two or more discrete ferrite segments individually attached to at least one of the coil winding and the surface area-forming flexible structure, wherein the coil winding is disposed between the two or more discrete ferrite segments and the surface area-forming structure.

Assignments (4)
CORRECTIVE ASSIGNMENT TO CORRECT THE APPLICATION NO. 17055502 TO READ 17055023 PREVIOUSLY RECORDED AT REEL: 062896 FRAME: 0150. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Mar 17, 2023
From: ROBERT BOSCH GMBH
To: KARDION GMBH
Reel/Frame 063116/0438 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 6, 2023
From: ROBERT BOSCH GMBH
To: KARDION GMBH
Reel/Frame 062896/0150 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 8, 2021
From: WENNING, LEON; POPESCU, MARIUS-OVIDIU; ARAUJO, SAMUEL VASCONCELOS; JIPTNER, MICHAEL
To: ROBERT BOSCH GMBH
Reel/Frame 058340/0739 →
SECURITY INTEREST Recorded Apr 26, 2021
From: KARDION GMBH
To: EDWARDS LIFESCIENCES HOLDING, INC.
Reel/Frame 056046/0422 →
Priority Claims (1)
DE 102018206731.7 · May 2, 2018 · national
Continuity (1)
Related Publication 20210057804A1 · Feb 25, 2021
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