Skin treatment devices with locking mechanisms

• US 9,492,329 B2
• Filed: 01/17/2014
• Issued: 11/15/2016
• Est. Priority Date: 08/03/2007
• Status: Active Grant

• Current Assignee: Neodyne Biosciences, Inc.
• Original Assignee: Neodyne Biosciences, Inc.
• Inventors: Doud, Darren G., Zepeda, John A., Jackson, Jasper, Beasley, William R., Follmer, Brett A.
• Primary Examiner(s): Lewis, Kim M
• Application Number:
  US14/158,741
• Publication Number:
  US 20140135678A1
• Time in Patent Office: 1,033 Days
• Field of Search: 606213-216, 602/50, 602/53
• US Class Current: 1/1
• CPC Class Codes: A61B 17/08 Wound clamps or clips, i.e. not or only partly penetrating the tissue suture bridges A61B17/0466; Devices for bringing together the edges of a wound
• CPC Class Codes: A61B 17/085 with adhesive layer
• CPC Class Codes: A61B 90/02 Devices for expanding tissue, e.g. skin tissue implements for holding wounds open, surgical tractors A61B17/02; implantable mammary prosthesis A61F2/12; dilators A61M29/00
• CPC Class Codes: A61F 13/00076 Packaging of adhesive dressings
• CPC Class Codes: A61F 13/00085 having means for facilitating the application on the skin, e.g. single hand handling facilities A61F13/0259 takes precedence; bandage applicators separate from the bandage or the packaging A61F15/005
• CPC Class Codes: A61F 13/01038 Flexibility, stretchability or elasticity
• CPC Class Codes: A61F 13/023 wound covering film layers without a fluid retention layer
• CPC Class Codes: A61F 13/0236 characterised by the application/handling support layer
• CPC Class Codes: A61F 13/0243 characterised by the properties of the skin contacting layer, e.g. air-vapor permeability
• CPC Class Codes: A61F 13/0246 characterised by the skin-adhering layer
• CPC Class Codes: A61F 13/0253 characterized by the adhesive material
• CPC Class Codes: A61F 13/0256 characterized by the parametric properties of the adhesive
• CPC Class Codes: A61F 13/0259 characterised by the release liner covering the skin adhering layer
• CPC Class Codes: A61F 13/0266 especially adapted for wound covering/occlusive dressings
• CPC Class Codes: A61F 15/001 Packages or dispensers for bandages, cotton balls, drapes, dressings, gauze, gowns, sheets, sponges, swabsticks or towels A61F15/007 takes precedence
• CPC Class Codes: A61F 15/005 Bandage applicators
• CPC Class Codes: A61L 15/26 Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof A61L15/225 takes precedence
• CPC Class Codes: C08L 83/04 Polysiloxanes

Abstract

Devices, kits and methods described herein may be for wound healing, including the treatment, amelioration, or prevention of scars and/or keloids by applying and/or maintaining a predetermined strain in an elastic skin treatment device that is then affixed to the skin surface using skin adhesives to transfer a generally planar force from the bandage to the skin surface. Applicators are used to apply and/or maintain the strains, and some of the applicators are further configured to provide at least some mechanical advantage to the user when exerting loads onto the skin treatment device.

Claims

1. A skin treatment system, comprising:

an elastic sheet;

a skin adhesive on a first surface of the elastic sheet;

a first attachment structure;

a second attachment structure; and

a tensioning member configured to releasably couple to the first attachment structure and to the second attachment structure, and to create strain by exerting a separation force between the first and second attachment structures to strain the elastic sheet to at least one predetermined strain;

wherein the tensioning member comprises;

a releasable locking element configured to maintain the elastic sheet in a first strained configuration; and

a release element configured to release at least a portion of the separation force.

2. The system of claim 1, wherein the releasable locking element comprises a releasable latch.

3. The system of claim 1, wherein the releasable locking element is configured to lock at a pre-determined strain in the elastic sheet.

4. The system of claim 3 wherein the releasable locking element is configured to resist further straining when locked at the pre-determined strain.

5. The system of claim 4, wherein the releasable locking element is configured to lock at a plurality of pre-determined strains of the elastic sheet.

6. The system of claim 1, wherein the releasable locking element is configured to lock across a range of tensioning member configurations corresponding to a range of predetermined strains in the elastic sheet.

7. The system of claim 6, wherein the releasable locking element is configured to lock across a range of predetermined strains of the elastic sheet in a range from about 0% to about 60%.

8. The system of claim 6, wherein the releasable locking element is configured to lock across a range of predetermined strains of the elastic sheet in a range from about 10% to about 50%.

9. A skin treatment system, comprising:

an elastic sheet;

a skin adhesive on a first surface of the elastic sheet;

a first attachment structure;

a second attachment structure; and

a tensioning member configured to releasably couple to the first attachment structure and to the second attachment structure, and to create at least one predetermined strain in the elastic sheet by exerting a separation force between the first and second attachment structures, and to releasably maintain the separation force without requiring continuous application of external force.