Surgery: splint – brace – or bandage – Bandage structure – Skin laceration or wound cover
Patent
1996-09-27
1998-09-15
Apley, Richard J.
Surgery: splint, brace, or bandage
Bandage structure
Skin laceration or wound cover
602 6, 602 8, 66 87, A61F 500
Patent
active
058072950
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates medical articles comprising fabrics having spaced apart layers.
Medical articles comprising several layers are well known in the art. EP-A-0 071 211 discloses a medical article comprising two outer layers and an intermediate layer wherein the intermediate layer contains mineral particles. The layers are sewn together thereby trapping the mineral particles.
SUMMARY OF THE INVENTION
According to the present invention there is provided a medical bandaging material comprising a first body facing layer and a second layer superposed over said first layer in a spaced apart relationship wherein a plurality of strands extend between the first and second layers thereby to maintain them in said spaced apart relationship. Preferably the filaments are resilient thereby allowing the bandage to be resiliently deformable.
As used herein the term `strands` includes mono-filamentary strands or multi-filamentary structures such as fibers. The strands may be in the form of yarns.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic cross sectional view of one embodiment of a bandage according to the present invention.
FIG. 2 is a schematic cross sectional view of one embodiment of a bandage according to the present invention.
FIG. 3 is a schematic cross sectional view of one embodiment of a bandage according to the present invention.
FIG. 4 is a schematic cross sectional view of one embodiment of a bandage according to the present invention.
FIG. 5 is a schematic cross sectional view of one embodiment of a bandage according to the present invention.
FIG. 6 is a schematic cross sectional view of one embodiment of a bandage according to the present invention.
FIG. 7 is a schematic representation illustrating the use of the bandage according to the present invention.
FIG. 8 is a schematic representation illustrating the use of the bandage according to the present invention.
FIGS. 9a and 9b show longitudinal sections through a support product comprising an elastomeric material and bandage.
DESCRIPTION OF PREFERRED EMBODIMENTS
In one embodiment of the invention the bandage is a medical dressing used for covering wounds such as lesions, burns, donor sites and surgical incisions.
In an alternative embodiment of the present invention the bandage is a medical support product.
The term "medical support product" is used herein to include products for medical use which are designed to at least partially support or immobilize a body member or part thereof. Medical support products include braces, splints, casts, bandages, collars, upper body supports, lower body supports, joint supports, orthopaedic padding (e.g. for reducing the risk of strain for key-board users), or long term support cushioning for this in need of upper or lower limb support etc.
If hydrophobic fibers (e.g. polypropylene) are used as the strand material, the bandage invention can be used as undercast padding and, if a suitably apertured structure is used, may provide the undercast padding with a `quick drain` ability allowing the wearer to immerse a supported limb under water (e.g. when bathing). When the limb is removed from water the cast can dry out quickly due to the efficient draining provided by the undercast padding.
Preferably the spacing between the first and second surfaces is at least 0.5 mm. This may be across all or a substantial portion of the bandage e.g. across at least 50%, of the volume thereof. The spacing may be as large as desired for the particular use for which the dressing is intended but is typically no more than 5 cm (across all or a substantial portion of the bandage).
One or both layers may be substantially planar. The layers may be substantially parallel to one another over all or over a substantial part of the bandage. In many embodiments however it may be desirable particularly at edge regions of the fabric that the one or both layers are inclined to each other.
Thus, the fabric may have one or more tapered edges. The edges may be held together by stitching, welding or adhe
REFERENCES:
patent: 4753232 (1988-06-01), Ward
patent: 5385036 (1995-01-01), Spillane et al.
Hutcheon Steven David
Pigg William
Apley Richard J.
Lee Kim
Smith & Nephew plc
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