Electrode applicator for quick press on EEG electrode

• US 8,694,070 B2
• Filed: 03/17/2012
• Issued: 04/08/2014
• Est. Priority Date: 05/22/2007
• Status: Active Grant

• Current Assignee: Rhythmlink International
• Original Assignee: Persyst Development Corp.
• Inventors: Wilson, Scott B.
• Primary Examiner(s): Dvorak, Linda
• Assistant Examiner(s): ANTISKAY, BRIAN MICHAEL
• Application Number:
  US13/423,202
• Publication Number:
  US 20120179062A1
• Time in Patent Office: 752 Days
• Field of Search: 600/372, 600382-384, 600/386, 600/390, 600393-396, 600/544, 607/116
• US Class Current: 600/383
• CPC Class Codes: A61B 2560/06 Accessories for medical measuring apparatus
• CPC Class Codes: A61B 2562/247 Hygienic covers, i.e. for covering the sensor or apparatus during use
• CPC Class Codes: A61B 5/291 for electroencephalography [EEG]
• CPC Class Codes: A61B 5/377 using evoked responses
• CPC Class Codes: A61B 5/6839 Anchoring means, e.g. barbs

Abstract

An applicator for applying an electrode to a patient, and a system for recording of the electroencephalographic potential, the evoked potential, and the ground and reference potentials in electroenceophalographic and evoked potential measurements, is disclosed herein. The applicator includes a main body and a plunger unit.

Claims

1. A system for recording of an electroencephalographic potential, an evoked potential, and ground and reference potentials in electroencephalographic and evoked potential measurements, said system comprising:

(a) a resilient electrode having an initial configuration and a deformed configuration, said electrode having an edge carrying sharp points;

(b) electroencephalograph equipment;

(c) a lead wire connectable to said electroencephalograph equipment and to said electrode, said electrode being adapted to send electrical signals through said lead wire to said electroencephalograph equipment; and

(d) an applicator having a recess formed therein to hold said electrode in said deformed configuration and a hole in registration with said recess through which said electrode can pass from said applicator when said electrode is in said deformed configuration so that, when said applicator is held against skin of a patient, and said electrode has been urged from said recess and through said hole, said electrode springs resiliently from said deformed configuration to said initial configuration as said electrode exits said hole thereby embedding said sharp points into said skin of said patient.

2. A system for recording of the electroencephalographic potential, the evoked potential, and the ground and reference potentials in electroenceophalographic and evoked potential measurements, said system comprising:

(a) a resilient electrode having an initial configuration and a deformed configuration;

said electrode having an edge carrying sharp points adapted for embedding into skin of a patient (b) electroencephalograph equipment;

(c) a lead wire connectable to said electroencephalograph equipment and to said electrode, said electrode being adapted to send electrical signals through said lead wire to said electroencephalograph equipment; and

(d) an applicator, having (1) a main body with a recess formed therein, said electrode being held in said deformed configuration when in said recess, said resilient electrode being in said deformed configuration and placed in said recess, (2) a plunger unit received within said main body and in operative connection with said main body proximate to said recess, and (3) a cap removably attached to said main body, wherein, when said cap is removed from said main body and said plunger is pressed, said plunger urges said electrode from said recess of said main body whereupon said electrode springs resiliently to said initial configuration from said deformed configuration.

3. A device for use with electroencephalographic equipment, said device comprising,

(a) a resilient electrode having an initial configuration and a deformed configuration, said electrode having a radial edge carrying sharp points;

and

(b) an applicator having a recess formed therein to hold said electrode in said deformed configuration and a hole in registration with said recess through which said electrode can pass from said applicator when said electrode is in said deformed configuration so that, when said applicator is held against skin of a patient, and said electrode has been urged from said recess and through said hole, said electrode springs resiliently from said deformed configuration to said initial configuration as said electrode exits said hole thereby embedding said sharp points into said skin of said patient.

4. A device for use with electroencephalographic equipment, said device comprising, (a) a resilient electrode having an initial configuration and a deformed configuration, said electrode having an edge carrying sharp points adapted for embedding into skin of a patient;

and (b) an applicator, having (1) a main body with a recess formed therein, said electrode being held in said deformed configuration when in said recess, (2) a plunger unit received within said main body and in operative connection with said main body proximate to said recess, and (3) a cap removably attached to said main body, wherein, when said cap is removed and said plunger urges said electrode from said recess of said main body, said electrode springs resiliently to said initial configuration from said deformed configuration.

5. A device for use with electroencephalographic equipment, said device comprising,

(a) a flat, resilient electrode having an initial configuration and a deformed configuration, said electrode having plural legs, each leg of said plural legs carrying sharp points;

and

(b) an applicator having a recess formed therein to hold said electrode in said deformed configuration when said legs of said electrode are bent so that, when said applicator is held against skin of a patient, and said electrode has been urged from said recess, said electrode springs resiliently from said deformed configuration to said initial configuration as said electrode exits said hole, thereby embedding said sharp points into said skin of said patient.

6. A device for use in inserting an electrode into skin of a patient so that said electrode can pass signals from said skin to electroencephalograph equipment, said electrode being flexible so as to be bent from an initial configuration to a deformed condition upon application of force and then return to said initial configuration when said force is removed, said electrode having an edge carrying sharp points where said sharp points are adapted to embed into said skin of said patient, said device comprising, (b) an applicator having (1) a main body with a recess formed therein, said recess being dimensioned to receive and having received said electrode when said electrode is in said deformed configuration, (2) a plunger unit received within said main body and in operative connection with said main body proximate to said recess, and (3) a cap removably attached to said main body, so that when said plunger is pressed, said plunger urges said electrode from said recess of said main body, said electrode springs resiliently to said initial configuration from said deformed configuration.

7. An electrode applicator for applying an electrode to a patient, the electrode applicator comprising:

a main body having a central aperture and an electrode holding section for maintaining an electrode, wherein said electrode includes an edge carrying sharp points; and

a plunger unit having a cylindrical portion positioned within the central aperture, the plunger unit also having a user interface section, the electrode applicator having a recess formed therein to hold said electrode in a deformed configuration and a hole in registration with said recess through which said electrode can pass from said applicator when said electrode is in said deformed configuration so that, when said applicator is held against skin of a patient, and said electrode has been urged from said recess and through said hole, said electrode springs resiliently from said deformed configuration to an initial configuration as said electrode exits said hole thereby embedding said sharp points into said skin of said patient.

8. The electrode applicator according to claim 7 further comprising a removable cap for maintaining sterility of the electrode, the removable cap positioned over the electrode holding section.

9. The electrode applicator according to claim 7 wherein the user interface section of the plunger unit is an upper flange portion attached to the cylindrical portion.

10. The electrode applicator according to claim 7 wherein a plurality of notches of the electrode are placed within extensions of the electrode holding section of the electrode applicator.

11. The electrode applicator according to claim 7 wherein the electrode is an EEG electrode.

12. The electrode applicator according to claim 7 wherein the electrode is positioned in a concave shape within the electrode holding section of the electrode applicator.

13. The electrode applicator according to claim 7 wherein the electrode applicator has a length ranging from 1 cm to 10 cm, and a diameter ranging from 1 cm to 5 cm.

14. The electrode applicator according to claim 7 wherein the electrode applicator is composed of a plastic material.

15. The electrode applicator according to claim 7 wherein the electrode is composed of nitinol.

16. A device for use with electroencephalographic equipment, the device comprising, a resilient electrode having an edge with sharp points with an initial configuration;

and an applicator comprising a main body having a central aperture and an electrode holding section for maintaining the resilient electrode in the initial configuration, said applicator having a recess formed therein to hold said electrode in a deformed configuration and a hole in registration with said recess through which said electrode can pass from said applicator when said electrode is in said deformed configuration so that, when said applicator is held against skin of a patient, and said electrode has been urged from said recess and through said hole, said electrode springs resiliently from said deformed configuration to said initial configuration as said electrode exits said hole thereby embedding said sharp points into said skin of said patient; and

a plunger unit having a cylindrical portion positioned within the central aperture;

wherein the resilient electrode is flattened as the resilient electrode is pressed into skin of a patient using the plunger unit.

17. The device according to claim 16 wherein the resilient electrode is composed of a stainless steel material.

18. The device according to claim 16 wherein a plurality of notches of the resilient electrode are placed within extensions of electrode holding section of the main body of the applicator.

19. The device according to claim 16 further comprising a removable cap for maintaining sterility of the resilient electrode, the removable cap positioned over the electrode holding section.