DEVICE AND METHOD FOR PERFORMING ELECTROENCEPHALOGRAPHY

• US 20100274152A1
• Filed: 11/06/2008
• Published: 10/28/2010
• Est. Priority Date: 11/06/2007
• Status: Abandoned Application

• Current Assignee: HydroDot, Inc.
• Original Assignee: HydroDot, Inc.
• Inventors: Principe, Kathleen M., McPeck, John P.
• Application Number:
  US12/740,639
• Publication Number:
  US 20100274152A1
• Time in Patent Office: Days
• US Class Current: 600/544
• CPC Class Codes: A61B 2560/0412 Low-profile patch shaped housings
• CPC Class Codes: A61B 2562/046 in a matrix array
• CPC Class Codes: A61B 2562/12 Manufacturing methods specially adapted for producing sensors for in-vivo measurements
• CPC Class Codes: A61B 2562/14 Coupling media or elements to improve sensor contact with skin or tissue
• CPC Class Codes: A61B 5/291 for electroencephalography [EEG]
• CPC Class Codes: A61B 5/369 Electroencephalography [EEG] devices for psychotechnics A61B5/16
• CPC Class Codes: A61B 5/4094 Diagnosing or monitoring seizure diseases, e.g. epilepsy
• CPC Class Codes: A61B 5/4839 combined with drug delivery
• CPC Class Codes: A61B 5/6803 Head-worn items, e.g. helmets, masks, headphones or goggles
• CPC Class Codes: A61B 5/6814 Head
• CPC Class Codes: A61B 5/6832 using adhesives A61B5/259 takes precedence
• CPC Class Codes: A61B 5/6833 Adhesive patches

Abstract

A device 10 for performing electroencephalography on a patient, the device comprising a sagittal portion 14 comprising: a forehead anchor 44 comprising two forehead anchor arms, a first forehead anchor arm 46 and an opposing second forehead anchor arm 48; a neck anchor 54 comprising two neck anchor arms, a first neck anchor arm 56 and an opposing second neck anchor arm 58; a midsection 52 between the forehead anchor and the neck anchor; and a plurality of imbedded electrodes 20 within the forehead anchor, and the midsection. The device further comprises: a coronal portion 12 comprising a plurality of imbedded electrodes; and electrical connectors 22 for electrically connecting the imbedded electrodes in the sagittal portion and the coronal portion to an electroencephalograph.

Claims

1. A device for performing electroencephalography on a patient, the device comprising:

a) a sagittal portion comprising;

i) a forehead anchor comprising two arms, a first forehead anchor arm and an opposing second forehead anchor arm;

ii) a neck anchor comprising two arms, a first neck anchor arm and an opposing second neck anchor arm;

iii) a midsection between the forehead anchor and the neck anchor; and

iv) a plurality of imbedded electrodes within the forehead anchor and the midsection;

b) a coronal portion comprising a plurality of imbedded electrodes; and

c) electrical connectors for electrically connecting the imbedded electrodes in the sagittal portion and the coronal portion to an electroencephalograph.

2. The device of claim 1, where the sagittal portion and the coronal portion each comprise a contact surface;

and

where the contact surface comprises a silicone based adhesive for reversibly attaching the device to the patient.

3. The device of claim 2, where the sagittal portion or the coronal portion or both the sagittal portion and the coronal portion each comprise a release film covering the contact surface.

4. The device of claim 1, where forehead anchor further comprises a third forehead anchor arm between the first forehead anchor arm and the second forehead anchor arm.

5. The device of claim 1, where the neck anchor further comprises a third neck anchor arm between the first neck anchor arm and the second neck anchor arm.

6. The device of claim 1, where the imbedded electrodes in the forehead anchor are positioned at positions F₇, F_P1, F_P2 and F₈ of the International Standard 10-20 System for electrode placement.

The device of claim 1, where the imbedded electrodes in the midsection consist of electrodes positioned at positions F_Z, C_Z, P_Z, O₁ and O₂ of the International Standard 10-20 System for electrode placement.

7. The device of claim 1, where the forehead anchor further comprises a reference electrode or a ground electrode or both a reference electrode and a ground electrode.

8. The device of claim 1, further comprising a plurality of sponges attached to the imbedded electrodes.

33. A method of performing electroencephalography on a patient, the method comprising:

a) providing a device according to claim 1 or claim 11 or claim 19 or claim 32;

b) affixing the device to the patient; and

c) producing an electroencephalogram.

10. A device for performing electroencephalography on a patient, the device comprising:

a) a coronal portion comprising;

i) a first ear anchor comprising a front arm and a rear arm;

ii) a second ear anchor comprising a front arm and a rear arm;

iii) a midsection between the first ear anchor and the second ear anchor;

iv) a plurality of imbedded electrodes within the first ear anchor, the midsection and the second ear anchor;

b) a sagittal portion comprising a plurality of imbedded electrodes; and

c) electrical connectors for electrically connecting the imbedded electrodes in the sagittal portion and the coronal portion to an electroencephalograph.

9. The device of claim 10 where one or more than one of the plurality of sponges contains a conductive gel.

11. The device of claim 11, where the sagittal portion and the coronal portion each comprise a contact surface;

and

where the contact surface comprises a silicone based adhesive for reversibly attaching the device to the patient.

13. The device of claim 11, where the imbedded electrode in the first ear anchor is positioned at position A₁ of the International Standard 10-20 System for electrode placement.

14. The device of claim 11, where the imbedded electrode in the second ear anchor is positioned at position A₂ of the International Standard 10-20 System for electrode placement.

15. The device of claim 11, where the imbedded electrodes in the midsection consists of electrodes positioned at positions T₃, C₃, C₄ and T₄ of the International Standard 10-20 System for electrode placement.

16. The device of claim 11, further comprising a plurality of sponges attached to the imbedded electrodes.

12. The device of claim 12, where the sagittal portion or the coronal portion or both the sagittal portion and the coronal portion each comprise a release film covering the contact surface.

17. The device of claim 17 where one or more than one of the plurality of sponges contains a conductive gel.

18. A device for performing electroencephalography on a patient, the device comprising:

a) a sagittal portion comprising;

i) a forehead anchor comprising two arms, a first forehead anchor arm and an opposing second forehead anchor arm;

ii) a neck anchor comprising two arms, a first neck anchor arm and an opposing second neck anchor arm;

iii) a midsection between the forehead anchor and the neck anchor;

iv) a plurality of imbedded electrodes within the forehead anchor, and the midsection;

b) a coronal portion comprising;

i) a first ear anchor comprising a front arm and a rear arm;

ii) a second ear anchor comprising a front arm and a rear arm;

iii) a midsection between the first ear anchor and the second ear anchor;

iv) a plurality of imbedded electrodes within the first ear anchor, the midsection and the second ear anchor; and

c) electrical connectors for electrically connecting the imbedded electrodes in the sagittal portion and the coronal portion to an electroencephalograph.

19. The device of claim 19, where the sagittal portion and the coronal portion each comprise a contact surface;

and

where the contact surface comprises a silicone based adhesive for reversibly attaching the device to the patient.

21. The device of claim 19, where the forehead anchor further comprises a third forehead anchor arm between the first forehead anchor arm and the second forehead anchor arm.

22. The device of claim 19, where the neck anchor further comprises a third neck anchor arm between the first neck anchor arm and the second neck anchor arm.

23. The device of claim 19, where the imbedded electrodes in the forehead anchor consist of electrodes positioned at positions F₇, F_P1, F_P2 and F₈ of the International Standard 10-20 System for electrode placement.

24. The device of claim 19, where the imbedded electrodes in the sagittal portion midsection consist of electrodes positioned at positions F_Z, C_Z, P_Z, O₁ and O₂ of the International Standard 10-20 System for electrode placement.

25. The device of claim 19, where the forehead anchor further comprises a reference electrode or a ground electrode or a reference electrode and a ground electrode.

26. The device of claim 19, where the imbedded electrode in the first ear anchor is positioned at position A₁ of the International Standard 10-20 System for electrode placement.

27. The device of claim 19, where the imbedded electrode in the second ear anchor is positioned at position A₂ of the International Standard 10-20 System for electrode placement.

28. The device of claim 19, where the imbedded electrodes in the coronal portion midsection consist of electrodes positioned at positions T₃, C₃, C₄ and T₄ of the International Standard 10-20 System for electrode placement.

29. The device of claim 19, further comprising a plurality of sponges attached to the imbedded electrodes.

36. The method of claim 34, where is provided a device of claim 19;

and

where affixing the device to the patient further comprises;

affixing the forehead anchor to the forehead of the patient;

affixing the midsection along a sagittal midline of the head of the patient; and

affixing the neck anchor to the base of the skull proximal the neck of the patient.

20. The device of claim 20, where the sagittal portion or the coronal portion or both the sagittal portion and the coronal portion further comprise a release film covering the contact surface.

30. The device of claim 30, where one or more than one of the plurality of sponges contains a conductive gel.

31. A device for performing electroencephalography on a patient, the device comprising:

a) a sagittal portion comprising a plurality of imbedded electrodes;

b) a coronal portion comprising a plurality of imbedded electrodes; and

c) electrical connectors for electrically connecting the imbedded electrodes in the sagittal portion and the coronal portion to an electroencephalograph;

where the sagittal portion and the coronal portion each comprise a contact surface; and

where the contact surface comprises a silicone based adhesive for reversibly attaching the device to the patient.

32. The device of claim 32, where the sagittal portion or the coronal portion or both the sagittal portion and the coronal portion further comprise a release film covering the contact surface.

38. A method of diagnosing a neurologic condition or disease, the method comprising:

a) selecting a patient potentially with the neurologic condition or disease; and

b) performing electroencephalography on a patient according to claim 32 to produce an electroencephalogram.

34. The method of claim 34, where the device comprises a liner;

and

where the method further comprises removing the liner before affixing the device.

35. The method of claim 34, where the device comprises a stabilizing strip;

and

where affixing the device to the patient further comprises affixing the stabilizing strip to the device and to the patient.

37. The method of claim 37, where affixing the device to the patient further comprises:

affixing the first ear anchor around the left ear of the patient; and

affixing the second ear anchor around the right ear of the patient.

39. The method of claim 39, further comprising diagnosing the neurologic condition or disease by interpreting the electroencephalogram.

41. The method of claim 39, where the neurologic condition or disease is non-convulsive status epilepticus.

42. The method of claim 39, where the neurologic condition or disease is an epileptic seizure.

43. The method of claim 39, where the neurologic condition or disease is a stroke.

40. The method of claim 40, further comprising treating the neurologic condition or disease that is diagnosed.