Vacuum therapy and cleansing dressing for wounds

• US 10,357,404 B2
• Filed: 07/06/2011
• Issued: 07/23/2019
• Est. Priority Date: 11/29/2000
• Status: Expired due to Fees

• Current Assignee: KCI Licensing Incorporated (3M Company)
• Original Assignee: KCI Medical Resources Unlimited Company (3M Company)
• Inventors: Lockwood, Jeffrey S., Petrosenko, Robert, Risk, Jr., James R.
• Primary Examiner(s): Zalukaeva, Tatyana
• Assistant Examiner(s): Treyger, Ilya Y
• Application Number:
  US13/177,438
• Publication Number:
  US 20110313374A1
• Time in Patent Office: 2,939 Days
• Field of Search: 604313, 604315-318
• 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 2013/00174 possibility of applying pressure
• CPC Class Codes: A61F 2013/00536 for draining or irrigating wounds
• CPC Class Codes: A61M 1/77 Suction-irrigation systems aspiration tips supplying fluids A61M1/85; specific for negative pressure wound therapy A61M1/92; combined with tracheal tubes A61M16/0463
• CPC Class Codes: A61M 1/772 operating alternately
• CPC Class Codes: A61M 1/84 Drainage tubes; Aspiration tips for negative pressure wound therapy A61M1/90; for surgical cutting instruments A61B17/32
• CPC Class Codes: A61M 1/912 Connectors between dressing and drainage tube
• CPC Class Codes: A61M 1/915 Constructional details of the pressure distribution manifold
• CPC Class Codes: A61M 1/918 for multiple suction locations
• CPC Class Codes: A61M 1/92 with liquid supply means
• CPC Class Codes: A61M 27/00 Drainage appliance for wounds or the like , i.e. wound drains, implanted drains negative pressure wound therapy devices A61M1/90; implements for holding wound open A61B17/02 ; middle ear drainage A61F11/202

Abstract

A wound dressing member is provided for use in a vacuum bandage connected to a vacuum source. The wound dressing member is also provided for use with a wound having a wound surface. The wound dressing member includes a wound facing surface adapted to be in contact with and generally conform to the wound surface and a plurality of discrete holes formed in the wound facing surface. The member further includes a port configured to communicate with the vacuum source and with each hole formed in the wound facing surface. The wound dressing member further includes a stand-off having interconnected portions coupled to the wound facing surface and configured to provide a space between the wound facing surface and the wound surface.

Claims

1. A bandage for use with a vacuum source, the bandage comprising:

a flexible wound dressing member formed from a non-porous material and having a sheet-like configuration including a wound-facing surface and an opposite surface including a plurality of channels formed therein with a plurality of discrete holes extending from the channels through the wound dressing member; and

a flexible cover having a sheet-like configuration and a port configured to be coupled to a vacuum source, the flexible cover coupled to the opposite surface to cover the plurality of channels and cooperate therewith to form passageways in fluid communication between the port and the plurality of holes in the wound dressing member;

wherein the bandage is configured so that the wound-facing surface can be disposed over a wound such that a vacuum source can be fluidly coupled to the port to apply negative pressure to the wound through the passageways and the holes.

2. The bandage of claim 1, where the wound dressing member has a perimeter, the cover has a perimeter, and the perimeter of the wound dressing member is coupled to the perimeter of the cover.

3. The bandage of claim 1, where the cover is generally non-porous.

4. The bandage of claim 1, where at least one of the wound dressing member and the cover is transparent.

5. The bandage of claim 1, further comprising:

a connector coupled to the cover and configured to coupled a vacuum source to the port.

6. The bandage of claim 1, further comprising:

a tube coupled to the port and configured to be coupled to a vacuum source.

7. The bandage of claim 1, further comprising:

an adhesive coupled to the wound dressing member and configured to coupled the wound dressing member to skin surrounding a wound.

8. The bandage of claim 1, further comprising:

a packing material adapted to cover the wound dressing member within the wound; and

a sealing film configured to cover the packing material and provide a sealed environment over the wound;

wherein the vacuum source is fluidly coupled to the bandage through the sealing film and the packing material to the port to apply negative pressure to the wound through the holes.

9. The bandage of claim 8, where the wound dressing member and cover are each non-porous.

10. The bandage of claim 8, where at least one of the wound dressing member and the cover is transparent.

11. The bandage of claim 8, where the packing material is porous.

12. The bandage of claim 8, further comprising:

a tube coupled to the cover and configured to be coupled to a vacuum source.

13. The bandage of claim 8, where the wound dressing member comprises a medical-grade material.

14. The bandage of claim 1, wherein the wound-facing surface has a plurality of channels formed therein with the holes extending between the channels of the wound-facing surface and the opposite surface.

15. The bandage of claim 1, wherein the wound-facing surface has a stand-off coupled to the wound-facing surface and configured to provide a space between the wound-facing surface and the surface of the wound.

16. The bandage of claim 1, wherein the wound-facing surface has a plurality of spacers coupled to the wound-facing surface and configured to provide a space between the wound-facing surface and the surface of the wound.