Fastening system and method

• US 5,527,293 A
• Filed: 11/15/1993
• Issued: 06/18/1996
• Est. Priority Date: 04/03/1989
• Status: Expired due to Term

• Current Assignee: KCI Licensing Incorporated (3M Company)
• Original Assignee: Kinetic Concepts Incorporated (3M Company)
• Inventors: Zamierowski, David S.
• Primary Examiner(s): Rosenbaum, C. Fred
• Assistant Examiner(s): SMITH, CHALIN A
• Application Number:
  US08/152,440
• Time in Patent Office: 946 Days
• Field of Search: 604/174-176, 604/179, 604/180, 604/290, 604/291, 604/304, 604/305, 604/307, 604/313, 604/280, 604/131, 604/140, 604/151, 128/DIG. 26, 128/898, 602/46, 602/52, 602/14
• US Class Current: 604/176
• CPC Class Codes: A61F 13/023 wound covering film layers without a fluid retention 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 13/069 Decubitus ulcer bandages
• CPC Class Codes: A61F 2013/00157 for burns or skin transplants A61F2013/00187 takes precedence; not adhering to the wound A61F2013/00217
• CPC Class Codes: A61F 2013/0017 possibility of applying fluid
• CPC Class Codes: A61F 2013/00174 possibility of applying pressure
• CPC Class Codes: A61F 2013/00412 for use with needles, tubes or catheters
• CPC Class Codes: A61F 2013/00519 for treating burn bandages for burns or skin transplants A61F2013/00157
• CPC Class Codes: A61F 2013/00536 for draining or irrigating wounds
• CPC Class Codes: A61F 2013/0054 for deep wounds
• CPC Class Codes: A61F 2013/00748 with hydrocolloids or superabsorbers wound bandages with alginate A61F2013/00229; plasters with cyano-acrylic adhesive A61F2013/00459; plasters for treating burn with hydrogel A61F2013/00523; adhesive for plasters, with hydrogel A61F2013/00676; water-based A61F2013/00689; for use on mucosae A61F2013/00714; for use on wounds A61F2013/00719; with absorbent adhesives A61F2013/00757; with fumed silica A61F2013/00787; with viscoelastic oil-elastomer gel A61F2013/00893
• CPC Class Codes: A61F 2013/00868 thin film
• CPC Class Codes: A61F 2013/00919 for physical therapy, e.g. cold or magnetic
• CPC Class Codes: A61F 2013/00927 with biological activity, e.g. enzymes for debriding wounds or others, collagen or growth factors
• CPC Class Codes: A61F 5/453 for collecting urine or other discharge from male member A61F6/04 takes precedence ; devices for taking sperm samples A61B10/0058
• CPC Class Codes: A61M 1/85 with gas or fluid supply means, e.g. for supplying rinsing fluids or anticoagulants for negative pressure wound therapy A61M1/92, A61M1/94; combined with tracheal tubes A61M16/0463; dental instruments with combined rinsing and aspirating A61C17/0208
• 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 2025/0213 where the catheter is attached by means specifically adapted to a part of the human body
• CPC Class Codes: A61M 2025/0226 specifically adapted for the nose
• CPC Class Codes: A61M 2025/0253 where the catheter is attached by straps, bands or the like secured by adhesives
• CPC Class Codes: A61M 2025/026 : where the straps are releasably secured, e.g. by hook and loop-type fastening devices
• CPC Class Codes: A61M 2025/0266 : using pads, patches, tapes or the like
• CPC Class Codes: A61M 2209/088 : on the body
• CPC Class Codes: A61M 2210/0618 : Nose
• CPC Class Codes: A61M 2210/167 : Penis
• CPC Class Codes: A61M 2230/005 : Parameter used as control input for the apparatus
• CPC Class Codes: A61M 25/02 : Holding devices, e.g. on the body

Abstract

A fastening system includes a membrane assembly which can comprise a pair of body panels secured together at a seam. The membrane panels can comprise a semi-permeable material. A sheath assembly has a tubular configuration with proximate and distal ends and a sheath passage extending therebetween. The sheath assembly can be fastened to the membrane assembly by adhesively securing the sheath assembly adjacent to its proximate end between the membrane panels at the membrane assembly seam. A sheath-to-tube fastener is provided for fastening the sheath assembly to a tube. In one embodiment of the present invention a surgical sponge is fastened to the membranes in fluidic connection with the sheath, which is fastened to a suction tube for drawing blood from a surgical site. A method of treating surface wounds such as burns, pressure ulcers and skin graft donor sites comprises the steps of applying a dressing including a foam section to the wound, adhesively applying a polymer sheet to the foam section, connecting a suction tube to with the foam section, applying negative pressure to the wound through the section tube by use of a motorized pump and directing fluid from the surface wound through the foam section by the polymer sheet.

Claims

1. A method for treating surface wounds such as burns, pressure ulcers and skin graft donor sites, comprising the steps of:

(a) apply a dressing to the wound, said dressing including;

(i) a foam section covered and sealed by an adhesive polymer sheet; and

(ii) a flexible suction tube in fluid communication with said foam section;

(b) adhesively applying said adhesive polymer sheet to said foam section;

(c) providing a motorized pump;

(d) fluidically connecting said motorized pump to said suction tube;

(e) applying negative pressure to the wound through the tube by use of said motorized pump and

(f) directing fluid from said surface wound through said foam section by said polymer sheet.