WO2010092462A1 - Textile article for patients affected by a skin disease - Google Patents

Textile article for patients affected by a skin disease Download PDF

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Publication number
WO2010092462A1
WO2010092462A1 PCT/IB2010/000267 IB2010000267W WO2010092462A1 WO 2010092462 A1 WO2010092462 A1 WO 2010092462A1 IB 2010000267 W IB2010000267 W IB 2010000267W WO 2010092462 A1 WO2010092462 A1 WO 2010092462A1
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WO
WIPO (PCT)
Prior art keywords
fibres
ptfe
article according
textile layer
article
Prior art date
Application number
PCT/IB2010/000267
Other languages
French (fr)
Inventor
Roberto Fenzi
Original Assignee
Lenzi Egisto S.P.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lenzi Egisto S.P.A. filed Critical Lenzi Egisto S.P.A.
Priority to CN2010800074768A priority Critical patent/CN102316754A/en
Priority to CA 2749091 priority patent/CA2749091A1/en
Priority to MX2011008387A priority patent/MX2011008387A/en
Priority to EP10708793A priority patent/EP2395861A1/en
Priority to AU2010212533A priority patent/AU2010212533A1/en
Priority to US13/143,484 priority patent/US20120028529A1/en
Priority to JP2011549693A priority patent/JP2012518099A/en
Priority to RU2011135082/12A priority patent/RU2011135082A/en
Publication of WO2010092462A1 publication Critical patent/WO2010092462A1/en
Priority to IL213962A priority patent/IL213962A0/en

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Classifications

    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/12Surgeons' or patients' gowns or dresses
    • A41D13/1236Patients' garments
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41BSHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B17/00Selection of special materials for underwear
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47GHOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/02Bed linen; Blankets; Counterpanes
    • A47G9/0238Bed linen
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04Blended or other yarns or threads containing components made from different materials
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/208Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
    • D03D15/217Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based natural from plants, e.g. cotton
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/208Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
    • D03D15/225Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based artificial, e.g. viscose
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/233Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads protein-based, e.g. wool or silk
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/47Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/513Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B1/00Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/16Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282Addition polymers
    • D04H1/4318Fluorine series
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41BSHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B2400/00Functions or special features of shirts, underwear, baby linen or handkerchiefs not provided for in other groups of this subclass
    • A41B2400/32Therapeutic use
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2400/00Functions or special features of garments
    • A41D2400/32Therapeutic use
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01Natural vegetable fibres
    • D10B2201/02Cotton
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2211/00Protein-based fibres, e.g. animal fibres
    • D10B2211/01Natural animal fibres, e.g. keratin fibres
    • D10B2211/02Wool
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/04Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons
    • D10B2321/042Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons polymers of fluorinated hydrocarbons, e.g. polytetrafluoroethene [PTFE]
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00Details of fabric structure established in the fabric forming process
    • D10B2403/01Surface features
    • D10B2403/011Dissimilar front and back faces
    • D10B2403/0112One smooth surface, e.g. laminated or coated
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00Details of fabric structure established in the fabric forming process
    • D10B2403/01Surface features
    • D10B2403/011Dissimilar front and back faces
    • D10B2403/0114Dissimilar front and back faces with one or more yarns appearing predominantly on one face, e.g. plated or paralleled yarns
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00Wearing apparel
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00Wearing apparel
    • D10B2501/04Outerwear; Protective garments
    • D10B2501/041Gloves
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00Wearing apparel
    • D10B2501/04Outerwear; Protective garments
    • D10B2501/042Headwear
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00Wearing apparel
    • D10B2501/04Outerwear; Protective garments
    • D10B2501/043Footwear
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2503/00Domestic or personal
    • D10B2503/06Bed linen
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2509/00Medical; Hygiene
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3179Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3976Including strand which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous composition, water solubility, heat shrinkability, etc.]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/40Knit fabric [i.e., knit strand or strip material]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/696Including strand or fiber material which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.]

Definitions

  • the present invention relates to a textile article, such, as a garment ⁇ particularly an undergarment) or bed linen, for patients affected by a skin disease.
  • skin diseases generally arise from an inflammatory reaction of tissues due to various atopic triggering factors, such as chemical products
  • psoriasis This is a form of chronic dermatitis characterised by bright red patches covered with abundant whitish scales of extremely variable size, shape and extent. It is often localised to the scalp, extensor surfaces of the limbs (elbows, knees) and the lumbosacral region; it can be widespread and even affect the whole body.
  • Psoriasis is a disease present worldwide, with a prevalence of about 2% in populations of European origin. It is estimated that in Europe around 14.5 million people are affected by this disease. In the USA there are seven million psoriasis sufferers and in Italy approximately 1,250,000.
  • atopic dermatitis This is an inflammatory reaction of the skin caused by hyperreactivity of immune system mast cells to a given allergenic substance, or even due to congenital difficulties in synthesizing gamma-linolenic fatty acid. It is known that various factors can exacerbate the disease, e.g. contact with irritating textile fibres (such as wool) , the use of aggressive detergents and various climatic factors. Moreover, the disease is often accompanied by a skin superinfection, caused in particular by Staphylococcus aureus.
  • the Applicant posed himself the problem of devising textile articles, such as garments, in particular under-garments, or bed linens, which are especially suitable for patients affected by the aforesaid skin diseases, in particular psoriasis or atopic dermatitis, and which can prevent the disease and related symptoms from worsening because of continuous rubbing of the skin against the textiles it comes into contact with, providing patients with a sensation of relief and thus helping them to improve their quality of life and social relationships, which can be compromised due to the psychological sensation of "inadequacy" that afflicts this category of patients.
  • such textile articles must be capable of minimising the undesirable effects deriving from contact with emollients, and particularly unguents, commonly employed in this type of skin disease.
  • the textile articles must be able to be used in combination with such treatments without any damage, in particular without any unattractive streaks or stains showing on the outside of the articles themselves.
  • textile articles such as garments, particularly under-garments, or bed linens, which include at least one textile layer comprising polytetrafluoroethylene (PTFE) fibres, said fibres being mainly present on the surface of the textile layer intended to be in contact with the patient's skin.
  • PTFE polytetrafluoroethylene
  • the PTFE fibres make it possible to obtain a very smooth surface, which is not sticky at all, providing a pleasing sensation of freshness and slipperiness.
  • Using such fibres it is moreover possible to obtain exceptional properties of water and oil repellence, fire-resistant properties, good breathability, lightness and ease of laundering.
  • the present invention therefore relates to a textile article, such as a garment, particularly an under-garment, or bed linen, for patients affected by a skin disease, said article comprising at least one textile layer comprising polytetrafluoroethylene (PTFE) fibres, said fibres being present at least at one surface of the textile layer intended to be in contact with the patient's skin.
  • a textile article comprising at least one textile layer comprising polytetrafluoroethylene (PTFE) fibres for alleviating symptoms and/or improving disease course in a patient affected by a skin disease, said fibres being present at least at one surface of the textile layer intended to be in contact with the patient's skin.
  • PTFE polytetrafluoroethylene
  • the textile article according to the present invention is intended for a patient affected by psoriasis or by atopic dermatitis.
  • PTFE fibres these are products commercially available for special industrial and medical applications.
  • One example is the product Profiler.TM sold by Lenzing AG.
  • the density of such fibres is selected based on the specific article to be produced and may preferably range from 200 to 1000 dtex.
  • the PTFE fibres are in the form of continuous fibre yarns.
  • discontinuous fibre yarns intimately commingled with other fibres, such as cotton or wool, can be used.
  • the amount of PTFE fibres is preferably not lower than 20% by weight of the whole yarn.
  • the textile layer that includes the PTFE fibres this can be an actual fabric having a warp- weft structure, or a knitted fabric.
  • the type of weave can vary greatly according to the specific textile article to be produced, e.g. flat, double face, satin (e.g. crowsfoot satin weave) , twill or derived twill, etc.
  • the knitted structure this is preferably a blocked knit.
  • the textile layer may be formed by 100% PTFE fibres, or the PTFE fibres can be combined with, fibre of a different type, either natural (preferably cotton) or artificial (preferably cellulosic) , or synthetic (preferably polyesters or polyamides) .
  • the surface of the textile layer intended to be in contact with the patient ' s skin is mainly formed by PTPE fibres.
  • the percentage of PTFE fibres present at said surface is approximately between 60% and 100%, more preferably between 70% and 100%. If the PTFE fibre is combined with other fibre, use is preferably made of a weaving such as to obtain a fabric wherein the PTFE fibre is mainly present at the internal face, while the other fibre (e.g. cotton) is mainly present at the exterior.
  • these are preferably under-garments, such as shirts, T-shirts or socks, or garments in general, such as gloves, hats, shirts, trousers, skirts.
  • bed linen this may consist, for example, of pillowcases and sheets .

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Botany (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Knitting Of Fabric (AREA)
  • Woven Fabrics (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Materials For Medical Uses (AREA)
  • Bedding Items (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

Textile article, for example a garment, particularly an under- garment, or bed linen, for patients affected by a skin disease, said article comprising at least one textile layer comprising polytetrafluoroethylene (PTFE) fibres, said fibres being present at least at one surface of the textile layer intended to be in contact with the patient's skin. The PTFE fibres make it possible to obtain a very smooth surface, which is not sticky in the least and provides a pleasing sensation of freshness and slipperiness.

Description

"TEXTILE ARTICLE FOR PATIENTS AFFECTED BY A SKIN
DISEASE" DESCRIPTION The present invention relates to a textile article, such, as a garment {particularly an undergarment) or bed linen, for patients affected by a skin disease. As known, skin diseases generally arise from an inflammatory reaction of tissues due to various atopic triggering factors, such as chemical products
(e.g. solvents or detergents), radiation, microbial infections, parasites, allergic reactions, autoimmune reactions, hereditary factors, etc.
One of the most common diseases is psoriasis. This is a form of chronic dermatitis characterised by bright red patches covered with abundant whitish scales of extremely variable size, shape and extent. It is often localised to the scalp, extensor surfaces of the limbs (elbows, knees) and the lumbosacral region; it can be widespread and even affect the whole body.
Usually it is not life-threatening, but in some cases
(pustular and erythrodermic psoriasis) it may be very serious. It affects both sexes equally, with a slight prevalence in males, and may arise at any age, with onset tending to occur in childhood or at a young age. In 5.4% of the cases it is manifestly accompanied by arthritis, which may be severely disabling. It is often a familial disease, with a multigenic hereditary predisposition (at least six genes correlated with it have been identified up to now) ; for its manifestation, triggering factors shall occur, such as viral or bacterial infections, physical trauma, emotional stress, some drugs such as beta-blockers, non-steroidal anti- inflammatory drugs, lithium salts, interferon, etc.
Psoriasis is a disease present worldwide, with a prevalence of about 2% in populations of European origin. It is estimated that in Europe around 14.5 million people are affected by this disease. In the USA there are seven million psoriasis sufferers and in Italy approximately 1,250,000.
Because of its chronic-recurrent nature and its likelihood of becoming a severe and disabling condition, it must be considered a social disease, not only because of its strong individual psychological impact, but also because of its economic relevance for the community.
The treatment of psoriasis has made great progress in recent years and at present there exist numerous medications which, if skilfully used, can lead to the complete remission ' thereof. Besides systemic therapies which require the use of various medications, it is also possible to employ local treatments. These provide for the application - after the scales have been removed using unguents containing salicylic acid, urea or propylene glycol - of active principles, which may be traditional ones like cortisone, tars and dithranol, or more modern substances, such as calcipotriol, tacalcitol or tazarotene.
In psoriasis there exists the so-called Koebner phenomenon, or isomorphic response, whereby new psoriasis lesions appear on skin that has been traumatised or irritated. It is thus important that the clothing worn by psoriasis patients be well tolerated by the skin and not cause trauma, irritation or allergic reactions.
There exist other skin diseases which present analogous symptoms and problems. One of the most widespread is atopic dermatitis. This is an inflammatory reaction of the skin caused by hyperreactivity of immune system mast cells to a given allergenic substance, or even due to congenital difficulties in synthesizing gamma-linolenic fatty acid. It is known that various factors can exacerbate the disease, e.g. contact with irritating textile fibres (such as wool) , the use of aggressive detergents and various climatic factors. Moreover, the disease is often accompanied by a skin superinfection, caused in particular by Staphylococcus aureus. In addition to treating patients with creams and emollients, it has been proposed that patients wear fabrics having antimicrobial properties, due, for example, to the presence of silver filaments, whose antiseptic properties are well known (see, for example, the article by Haug S. efc a.1 entitled "Coated Textiles in the Treatment of Atopic Dermatitis", Curr. Probl. Dermatol. Basel, Karger, 2006, vol. 33, pp. 144-151) . The Applicant posed himself the problem of devising textile articles, such as garments, in particular under-garments, or bed linens, which are especially suitable for patients affected by the aforesaid skin diseases, in particular psoriasis or atopic dermatitis, and which can prevent the disease and related symptoms from worsening because of continuous rubbing of the skin against the textiles it comes into contact with, providing patients with a sensation of relief and thus helping them to improve their quality of life and social relationships, which can be compromised due to the psychological sensation of "inadequacy" that afflicts this category of patients. Moreover, such textile articles must be capable of minimising the undesirable effects deriving from contact with emollients, and particularly unguents, commonly employed in this type of skin disease. In fact, the textile articles must be able to be used in combination with such treatments without any damage, in particular without any unattractive streaks or stains showing on the outside of the articles themselves.
The Applicant has now found that it is possible to obtain such results by producing textile articles, such as garments, particularly under-garments, or bed linens, which include at least one textile layer comprising polytetrafluoroethylene (PTFE) fibres, said fibres being mainly present on the surface of the textile layer intended to be in contact with the patient's skin. The PTFE fibres make it possible to obtain a very smooth surface, which is not sticky at all, providing a pleasing sensation of freshness and slipperiness. Using such fibres it is moreover possible to obtain exceptional properties of water and oil repellence, fire-resistant properties, good breathability, lightness and ease of laundering. In a first aspect, the present invention therefore relates to a textile article, such as a garment, particularly an under-garment, or bed linen, for patients affected by a skin disease, said article comprising at least one textile layer comprising polytetrafluoroethylene (PTFE) fibres, said fibres being present at least at one surface of the textile layer intended to be in contact with the patient's skin. According to another aspect, the present invention relates to a textile article comprising at least one textile layer comprising polytetrafluoroethylene (PTFE) fibres for alleviating symptoms and/or improving disease course in a patient affected by a skin disease, said fibres being present at least at one surface of the textile layer intended to be in contact with the patient's skin.
Preferably, the textile article according to the present invention is intended for a patient affected by psoriasis or by atopic dermatitis.
The particular characteristics of water and oil repellence of PTFE fibres make it possible to achieve a barrier effect against the outward migration of the oily substances present in the unguents and emollients commonly used to treat the disease, substances which, unlike common ointments, remain on the patient's skin for a long time before being absorbed by the dermis. Said barrier effect is not achievable with common textile materials based on cotton and/or wool .
As regards the PTFE fibres, these are products commercially available for special industrial and medical applications. One example is the product Profiler.™ sold by Lenzing AG. The density of such fibres is selected based on the specific article to be produced and may preferably range from 200 to 1000 dtex.
Preferably, the PTFE fibres are in the form of continuous fibre yarns. Alternatively, discontinuous fibre yarns, intimately commingled with other fibres, such as cotton or wool, can be used. In this case the amount of PTFE fibres is preferably not lower than 20% by weight of the whole yarn. As regards the textile layer that includes the PTFE fibres, this can be an actual fabric having a warp- weft structure, or a knitted fabric. The type of weave can vary greatly according to the specific textile article to be produced, e.g. flat, double face, satin (e.g. crowsfoot satin weave) , twill or derived twill, etc. As regards the knitted structure. this is preferably a blocked knit.
The textile layer may be formed by 100% PTFE fibres, or the PTFE fibres can be combined with, fibre of a different type, either natural (preferably cotton) or artificial (preferably cellulosic) , or synthetic (preferably polyesters or polyamides) .
In order to obtain the desired beneficial effect on the patient's condition, the surface of the textile layer intended to be in contact with the patient ' s skin is mainly formed by PTPE fibres. The percentage of PTFE fibres present at said surface is approximately between 60% and 100%, more preferably between 70% and 100%. If the PTFE fibre is combined with other fibre, use is preferably made of a weaving such as to obtain a fabric wherein the PTFE fibre is mainly present at the internal face, while the other fibre (e.g. cotton) is mainly present at the exterior. As regards the articles that may be produced according to the present invention, these are preferably under-garments, such as shirts, T-shirts or socks, or garments in general, such as gloves, hats, shirts, trousers, skirts. As regards bed linen, this may consist, for example, of pillowcases and sheets .

Claims

1. Textile article for patients affected by a skin disease, said article comprising at least one textile layer comprising polytetrafluoroethylene (PTFE) fibres, said fibres being present at least at one surface of the textile layer intended to be in contact with the patient's skin.
2. Article according to claim 1, wherein said skin disease is psoriasis or atopic dermatitis.
3. Article according to anyone of the previous claims, said article being selected from: garments, particularly under-garments; bed linen.
4. Article according to anyone of the previous claims, wherein the PTFE fibres are in the form of continuous fibre yarns.
5. Article according to anyone of the claims from l to 3, wherein the PTFE fibres are in the form of discontinuous fibre yarns, intimately commingled with other fibres, such as cotton or wool, wherein the amount of PTFE fibres is preferably not lower than 20% by weight of the whole yarn.
6. Article according to anyone of the claims from 1 to 5 , wherein said at least one textile layer is a fabric having a warp-weft structure.
7. Article according to anyone of the claims from 1 to 5, wherein said at least one textile layer is a knitted fabric.
8. Article according to anyone of the previous claims, wherein said at least one textile layer is formed by 100% PTFE fibres.
9. Article according to anyone of the claims from 1 to I1 wherein in said at least one textile layer the PTFE fibres are combined with fibre of a different type, either natural (e.g. cotton) or artificial (e.g. cellulosic) , or synthetic (e.g. polyesters or polyamides) .
10. Article according to claim 9, wherein said at least one textile layer has a warp-weft structure having a weaving such as to obtain a double face fabric wherein the PTFE fibre is mainly present at the internal face, while the other fibre is mainly present at the exterior.
11. Article according to anyone of the previous claims, wherein, at the surface of the textile layer intended to be in contact with the patient's skin, the percentage of PTFE fibres is comprised from 60% to 100%, more preferably from 70 to 100%.
12. A textile article comprising at least one textile layer comprising polytetrafluoroethylene (PTFE) fibres to alleviate symptoms and/or improve disease course in a patient affected by a skin disease, said fibres being present at least at one surface of the textile layer intended to be in contact with, the patient's skin.
13. Article according to claim 12, wherein said skin disease is psoriasis or atopic dermatitis.
14. Article according to claim 12, wherein said textile article is defined according to anyone of claims from 3 to 11.
PCT/IB2010/000267 2009-02-13 2010-02-12 Textile article for patients affected by a skin disease WO2010092462A1 (en)

Priority Applications (9)

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CN2010800074768A CN102316754A (en) 2009-02-13 2010-02-12 Textile article for patients affected by a skin disease
CA 2749091 CA2749091A1 (en) 2009-02-13 2010-02-12 Textile article for patients affected by a skin disease
MX2011008387A MX2011008387A (en) 2009-02-13 2010-02-12 Textile article for patients affected by a skin disease.
EP10708793A EP2395861A1 (en) 2009-02-13 2010-02-12 Textile article for patients affected by a skin disease
AU2010212533A AU2010212533A1 (en) 2009-02-13 2010-02-12 Textile article for patients affected by a skin disease
US13/143,484 US20120028529A1 (en) 2009-02-13 2010-02-12 Textile article for patients affected by a skin disease
JP2011549693A JP2012518099A (en) 2009-02-13 2010-02-12 Textile products for patients with skin diseases
RU2011135082/12A RU2011135082A (en) 2009-02-13 2010-02-12 TEXTILE PRODUCT FOR PATIENTS AFFECTING SKIN DISEASE
IL213962A IL213962A0 (en) 2009-02-13 2011-07-06 Textile article for patients affected by a skin disease

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ITMI2009A000196A IT1394524B1 (en) 2009-02-13 2009-02-13 TEXTILE MATERIAL ARTICLE FOR PATIENTS WITH A SKIN PATHOLOGY

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CN106108533A (en) * 2016-07-22 2016-11-16 上海金由氟材料股份有限公司 A kind of lightweight quilt being easy to carry and have self-cleaning function
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ITMI20090196A1 (en) 2010-08-14
CA2749091A1 (en) 2010-08-19
MX2011008387A (en) 2011-09-06
EP2395861A1 (en) 2011-12-21
CN102316754A (en) 2012-01-11
AU2010212533A1 (en) 2011-09-22
US20120028529A1 (en) 2012-02-02
IL213962A0 (en) 2011-08-31
RU2011135082A (en) 2013-03-20
JP2012518099A (en) 2012-08-09

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