Wound closure device

• US 10,702,420 B2
• Filed: 12/11/2017
• Issued: 07/07/2020
• Est. Priority Date: 05/22/2012
• Status: Active Grant

• Current Assignee: Smith & Nephew PLC
• Original Assignee: Smith & Nephew PLC
• Inventors: Hammond, Victoria Jody, Hartwell, Edward Yerbury, Hicks, John Kenneth, Saxby, Carl
• Primary Examiner(s): Marcetich, Adam
• Application Number:
  US15/837,948
• Publication Number:
  US 20180161212A1
• Time in Patent Office: 939 Days
• CPC Class Codes: A61B 17/085 with adhesive layer
• CPC Class Codes: A61F 13/05 specially adapted for use with sub-pressure or over-pressure therapy, wound drainage or wound irrigation, e.g. for use with negative-pressure wound therapy [NPWT]
• CPC Class Codes: A61F 15/008 Appliances for wound protecting, e.g. avoiding contact between wound and bandage corn plasters A61F13/063
• CPC Class Codes: A61M 1/90 Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
• CPC Class Codes: A61M 1/915 Constructional details of the pressure distribution manifold
• CPC Class Codes: A61M 1/916 specially adapted for deep wounds
• CPC Class Codes: A61M 2210/1021 Abdominal cavity

Abstract

A wound dressing for use in the application of negative pressure to a wound, comprising a support member and a cover member positionable over the wound in use. The support member can have a first support element having a first portion aligned with a first axis and a body portion coupled with and extending away from the first portion, and a second support element having a first portion aligned with the first axis and a body portion coupled with and extending away from the first portion of the second support element. At least the body portion of each of the first support element and the second support element can be independently rotatable about the first axis. The support member can support at least a middle portion of the cover member above a surface of the wound so as to define a space between the wound cover and the wound.

Claims

1. A method of closing a wound, comprising:

placing a support member over a wound, the support member comprising a plurality of first side supports and a plurality of second side supports, the first side supports and second side supports coupled with an elongate member extending a distance generally parallel to the wound, the elongate member comprising a longitudinal axis, the first side supports and the second side supports configured to rotate about the longitudinal axis;

fluidically connecting the wound to a source of negative pressure;

applying negative pressure to the wound via the source of negative pressure; and

wherein the negative pressure is applied to a space under a cover layer positioned over the support member, the cover layer comprising a port.

2. The method of claim 1, wherein the cover layer is adhered to the skin surrounding the wound.

3. The method of claim 1, wherein the cover layer is a fluid impermeable drape.

4. The method of claim 1, further comprising positioning a porous member between the cover layer and the support member.

5. The method of claim 4, wherein the porous member is a foam.

6. The method of claim 1, further comprising positioning a porous member beneath the support member.

7. The method of claim 1, wherein the source of negative pressure comprises a vacuum pump.

8. The method of claim 1, wherein the first side support is configured to rotate around the elongate member.

9. The method of claim 8, wherein the second side support is configured to rotate around the elongate member.

10. The method of claim 9, wherein the first side support and the second side support are configured to rotate about the same axis of rotation.

11. The method of claim 9, wherein the first side support and the second side support are configured to rotate independently.

12. The method of claim 1, wherein the first side support and the second side support branch from the elongate member.

13. The method of claim 1, wherein the support member comprises a cross-support coupled to the first side support and the second side support.

14. The method of claim 1, wherein the port is fluidically connected to a conduit.

15. The method of claim 1, wherein the first side support and the second side support are configured to rotate in response to the application of negative pressure.

16. A method of closing a wound, comprising:

placing a support member over a wound, the support member comprising a plurality of first side supports and a plurality of second side supports, the first side supports and second side supports coupled with an elongate member extending a distance generally parallel to the wound, the elongate member comprising a longitudinal axis, the first side supports and the second side supports configured to rotate about the longitudinal axis;

fluidically connecting the wound to a source of negative pressure;

applying negative pressure to the wound via the source of negative pressure; and

wherein the negative pressure is applied to a space under a cover layer positioned over the support member, the cover layer adhered to the skin surrounding the wound.

17. A method of closing a wound, comprising:

placing a support member over a wound, the support member comprising a plurality of first side supports and a plurality of second side supports, the first side supports and second side supports coupled with an elongate member extending a distance generally parallel to the wound, the elongate member comprising a longitudinal axis, the first side supports and the second side supports configured to rotate about the longitudinal axis in response to the application of negative pressure;

fluidically connecting the wound to a source of negative pressure;

applying negative pressure to the wound via the source of negative pressure; and

wherein the negative pressure is applied to a space under a cover layer positioned over the support member.