Wound care bandage and method of wound healing

• US 9,592,160 B2
• Filed: 09/15/2015
• Issued: 03/14/2017
• Est. Priority Date: 09/16/2014
• Status: Active Grant

• Current Assignee: Garwood Laboratories LLC
• Original Assignee: Garwood Medical Devices, LLC
• Inventors: Bacon, Wayne, Gellman, Gregg
• Primary Examiner(s): Lewis, Kim M
• Application Number:
  US14/854,696
• Publication Number:
  US 20160213521A1
• Time in Patent Office: 546 Days
• Field of Search: 607/149, 607/152, 607/148
• US Class Current: 1/1
• CPC Class Codes: A61F 13/00063 comprising medicaments or additives, e.g. odor control, PH control, debriding, antimicrobic drug delivery dressings A61K9/70; chemical aspect of the additives A61L15/00
• CPC Class Codes: A61F 13/0206 with absorbent fibrous layers, e.g. woven or non-woven absorbent pads or island dressings
• CPC Class Codes: A61F 13/0243 characterised by the properties of the skin contacting layer, e.g. air-vapor permeability
• CPC Class Codes: A61F 13/025 having a special distribution arrangement of the adhesive
• CPC Class Codes: A61F 13/0256 characterized by the parametric properties of the adhesive
• CPC Class Codes: A61F 15/00 Auxiliary appliances for wound dressings; Dispensing containers for dressings or bandages packaging of absorbent articles such as diapers, feminine hygiene absorbing pads or tampons A61F13/551; packaging of wound dressings A61F13/00072
• CPC Class Codes: A61N 1/0468 Specially adapted for promoting wound healing
• CPC Class Codes: A61N 1/0492 Patch electrodes A61N1/0412, A61N1/0428 take precedence

Abstract

A wound healing system and a wound care bandage are provided. The wound care bandage has an electronics housing that houses a battery and wound care microcontroller. A bandage layer is provided and it defines a pad recess in which a pad is disposed. The pad has channels to allow for airflow. The wound care bandage at least first and second snap button electrodes, but there may be more snap button electrodes in other preferred embodiments. There are also electrically conductive adhesive strips with one being in contact with each of the first and second snap button electrodes. When current is controllably supplied to the first and second snap button electrodes a plurality of electric current flow paths are generated and that extend across the wound and stimulate the healing of the wound. The wound care bandage can be monitored and controlled wirelessly.

Claims

1. A wound care bandage for treating a wound, the wound care bandage comprising:

a bandage layer that defines a pad recess and a pad and the pad is disposed in the pad recess;

a first snap button electrode and a second snap button electrode wherein each of the first snap button electrode and the second snap button electrode extends through the bandage layer and the bandage layer is secured to the first snap button electrode and the second snap button electrode;

an electronics housing secured to the first snap button electrode and secured to the second snap button electrode and a battery and wound care bandage electronics disposed in the electronics housing and wired to the first and second snap button electrodes;

wherein the battery is for powering the wound care bandage electronics and powering the first snap button electrode and the second snap button electrode such that the first and second electrodes are capable of delivering current to a wound; and

,

further wherein the wound care bandage electronics has a main power path and electrical power from the battery is sent from the main power path to a wound care regulator, then to a wound care signal conditioner, then to a filter, and from the filter to the first and second snap button electrodes.

2. The wound care bandage according to claim 1 wherein current paths exist between the first and second snap button electrodes and wherein the first and second snap button electrodes are disposed such that the wound is disposed between the first and second snap button electrodes such that electrical currents can flow through the wound when the first and second snap button electrodes are powered.

3. The wound care bandage according to claim 2 wherein the wound care bandage electronics control electrical pulse cycles between the first and second snap button electrodes.

4. The wound care bandage according to claim 1 further including first and second conductive adhesive strips and each defines a strip opening and the bandage layer has opposed first and second bandage layer surfaces and the first and second conductive adhesive strips are adhered to the second bandage layer surface such that the first snap button electrode extends through the strip opening defined in the first conductive adhesive strip and the second snap button electrode extends through the opening strip opening defined in the second conductive adhesive strip.

5. The wound care bandage according to claim 1 wherein each of the first and second snap button electrode includes:

a) a first conductive female snap component that is secured to the electronics housing;

b) a first conductive central snap component having a male member and the male member defines a female recess and the male member is capable of being fitted in the female snap component; and

,

c) a first conductive base male snap component that has a base male member that is capable of being fitted in the female recess of the male member of the first conductive central snap component, such that the first conductive female snap component and the first conductive central snap component and the first conductive base male member are capable of being releasably snapped together to form the first snap button electrode.

6. The wound care bandage according to claim 1 wherein the pad and the bandage layer are made of antimicrobial material.

7. The wound care bandage according to claim 1 further including a third snap button electrode that extends through the bandage layer and the bandage layer is secured to the third snap button electrode, and further including a third conductive adhesive strip that defines a strip opening, and the bandage layer has opposed first and second bandage layer surfaces and the third conductive adhesive strip is adhered to the second bandage layer surface and the third snap button electrode extends through the strip opening defined in the third adhesive strip, and wherein the first, second, and third snap button electrodes are arranged in a triangular shape such that first, second, and third snap button electrodes can be positioned around a wound such that the wound is surrounded by the first, second and third snap button electrodes.

8. The wound care bandage according to claim 7 further including a fourth snap button electrode that extends through the bandage layer and the bandage layer is secured to the fourth snap button electrode, and further having a fourth conductive adhesive strip that defines a strip opening, and the fourth conductive adhesive strip is adhered to the second bandage layer surface such that the fourth snap button electrode extends through the strip opening defined in the third adhesive strip and wherein that the first, second, third and fourth snap button electrodes are arranged in a quadrilateral shape with each of the first, second, third and fourth snap button electrodes forming a corner of the quadrilateral shape and wherein the first, second, third and fourth snap button electrodes can be positioned to surround a wound such that electrical current can flow through the wound.

9. The wound care bandage according to claim 8 wherein each of the third and fourth snap button electrode includes:

a) a first conductive female snap component that is secured to the electronics housing;

b) a first conductive central snap component having a male member and the male member defines a female recess and the male member is capable of being fitted in the female snap component; and

,

c) a first conductive base male snap component that has a base male member that is capable of being fitted in the female recess of the male member of the first conductive central snap component, such that the first conductive female snap component and the first conductive central snap component and the first conductive base male member are capable of being releasably snapped together to form the first snap button electrode.

10. The wound care bandage according to claim 1 wherein the wound care bandage electronics have a supportive power path that includes the battery, a system regulator, a wound care microcontroller and a wound care signal conditioner such that electrical power from the battery is delivered to the system regulator and then microcontroller and the wound care signal conditioner.

11. The wound care bandage according to claim 10 further wherein the wound care bandage electronics include a RF transceiver to allow for real-time information exchange between the wound care bandage electronics and a portable mobile device.

12. The wound care bandage according to claim 1 wherein the electronics housing and the wound care bandage electronics disposed therein can be reused by detaching the wound care housing from the bandage layer such that a clean bandage layer and pad can be attached to the electronics housing.

13. A method for delivering current to wound, the method comprising the acts of:

providing a bandage layer that defines a pad recess and providing a pad and disposing the pad in the in the pad recess;

providing a first snap button electrode and a second snap button electrode and extending the first snap button electrode and the second snap button electrode through the bandage layer and securing the bandage layer to the first snap button electrode and second snap button electrode;

providing an electronics housing and securing the electronics housing to the first snap button electrode and the second snap button electrode, and providing a battery and wound care bandage electronics and disposing the battery and the wound care bandage electronics in the electronics housing such that the wound care bandage electronics can send electrical pulses to the wound;

providing the wound care bandage electronics with an RF transceiver and providing a portable mobile device and wirelessly controlling the output electric pulses generated by the wound care bandage electronics and wirelessly monitoring and adjusting the out electric pulses with the portable mobile device to allow for real-time information exchange and control between the wound care bandage electronics and the portable mobile device; and

,

providing first and second conductive adhesive strips and each defines a strip opening and the bandage layer has opposed first and second bandage layer surfaces, and the first and second conductive adhesive strips are adhered to the second bandage layer surface such that the first snap button electrode extends through the strip opening defined in the first conductive adhesive strip and the second snap button electrode extends through the strip opening defined in the second conductive adhesive strip and adhering the first and second conductive strips on the skin and wherein the wound is disposed between the first and second snap button electrodes and the first and second snap button electrodes make contact with the skin, and sending pulsed electric current to the first and second snap button electrodes to treat the wound.

14. The method for delivering current to a wound according to claim 13 further comprising the acts of providing third and fourth snap button electrodes and providing third and fourth conductive adhesive strips and each defines a strip opening and the bandage layer and the conductive third and fourth conductive adhesive strips are adhered to the second bandage layer surface such that the third snap button electrode extends through the strip opening defined in the first adhesive strip and the fourth snap button electrode extends through the strip opening, and adhering the third and fourth conductive strips to the skin.

15. The method for delivering current to a wound according to claim 14 further comprising the act of positioning the first, second, third and fourth snap button electrodes on the skin such that the first, second, third and fourth snap button electrodes surround the wound and wherein the wound care bandage electronics send pulsed electric current to the first, second, third and fourth snap button electrodes to treat the wound.

16. A wound care bandage for treating a wound, the wound care bandage comprising:

a bandage layer that defines a pad recess and a pad and the pad is disposed in the pad recess;

a first snap button electrode and a second snap button electrode and a third snap button electrode wherein each of the first, second and third snap button electrodes extends through and the bandage layer and the bandage layer is secured to the first, second and third snap button electrodes;

an electronics housing secured to the first, second and third snap button electrodes and a battery and wound care bandage electronics disposed in the electronics housing and wired to the first, second and third snap button electrodes and the wound care bandage electronics has a main power path and electrical power from the battery is sent from the main power path to a wound care regulator, then to a wound care signal conditioner, then to a filter, and from the filter to the first, second and third snap button electrodes;

wherein the battery is for powering the wound care bandage electronics and powering the first, second and third snap button electrodes and the first, second and third snap button electrodes are capable of being positioned around the wound such that the first, second and third electrodes are capable of delivering current to the wound; and

,

wherein the wound care bandage electronics include a RF transceiver to allow for real-time information exchange between the wound care bandage electronics and a portable mobile device such that output electric pulses generated by the wound care bandage electronics and delivered to the first, second and third snap button electrodes can be wirelessly monitored and adjusted.

17. The wound care bandage for treating a wound according to claim 16 further including:

first, second and third conductive adhesive strips and each defines a strip opening and the bandage layer has opposed first and second bandage layer surfaces and the first, second and third conductive adhesive strips are adhered to the second bandage layer surface such that the first snap button electrode extends through the strip opening defined in the first conductive adhesive strip and the second snap button electrode extends through the opening strip opening defined in the second conductive adhesive strip and the third snap button extends through the strip opening defined in the third conductive adhesive strip; and

,

wherein the wound care bandage electronics are capable of multiplexing the polarity of each of the first, second and third conductive adhesive strips such that any of the first, second and third conductive adhesive strips can be an anode, a cathode or have high impedance.