EP2470134A1 - Article pour le soin des plaies à pansement convexe - Google Patents

Article pour le soin des plaies à pansement convexe

Info

Publication number
EP2470134A1
EP2470134A1 EP10745610A EP10745610A EP2470134A1 EP 2470134 A1 EP2470134 A1 EP 2470134A1 EP 10745610 A EP10745610 A EP 10745610A EP 10745610 A EP10745610 A EP 10745610A EP 2470134 A1 EP2470134 A1 EP 2470134A1
Authority
EP
European Patent Office
Prior art keywords
care article
wound care
wound
active element
superabsorbent polymers
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP10745610A
Other languages
German (de)
English (en)
Inventor
Birgit Riesinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Riesinger Birgit
Original Assignee
Riesinger Birgit
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 Riesinger Birgit filed Critical Riesinger Birgit
Publication of EP2470134A1 publication Critical patent/EP2470134A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/20—Tampons, e.g. catamenial tampons; Accessories therefor
    • A61F13/2002—Tampons, e.g. catamenial tampons; Accessories therefor characterised by the use
    • A61F13/2008—Tampons, e.g. catamenial tampons; Accessories therefor characterised by the use specially adapted for the oral cavity
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/01—Non-adhesive bandages or dressings
    • A61F13/01008—Non-adhesive bandages or dressings characterised by the material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/01—Non-adhesive bandages or dressings
    • A61F13/01021—Non-adhesive bandages or dressings characterised by the structure of the dressing
    • A61F13/01029—Non-adhesive bandages or dressings characterised by the structure of the dressing made of multiple layers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F2013/00089—Wound bandages
    • A61F2013/00246—Wound bandages in a special way pervious to air or vapours
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F2013/00089—Wound bandages
    • A61F2013/00314—Wound bandages with surface treatments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F2013/00361—Plasters
    • A61F2013/00365—Plasters use
    • A61F2013/0054—Plasters use for deep wounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F2013/00361—Plasters
    • A61F2013/00544—Plasters form or structure
    • A61F2013/00574—Plasters form or structure shaped as a body part
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F2013/00361—Plasters
    • A61F2013/00544—Plasters form or structure
    • A61F2013/00604—Multilayer

Definitions

  • the present invention relates to a wound care article with a convex insert according to the preamble of claim 1
  • wound care articles having a wound-exudate-absorbing body are known.
  • the latter has a substantially flat material portion of absorbent material, consisting of an absorbent fleece with superabsorber particles distributed therein.
  • wound care articles have proven to be extremely effective in practice, as they are able to absorb exudates from great depths, thus significantly improving wound healing, especially in chronic and / or edema-related wounds.
  • wound care articles are readily suitable only for relatively shallow wounds.
  • deep wounds require a wound filling material.
  • the wound must first be filled with a suitable filler, and then then the said wound care article is placed. In many cases, this requires cumbersome handling, possibly impairing the capacity of the wound care article and leading to sepsis problems.
  • a dressing made in this way easily breaks down and ingredients, for example particles of superabsorbent polymers, can be distributed in a way that is undesirable.
  • the object of the present invention is to provide a wound care article that is particularly suitable for the treatment of deep wounds.
  • a wound care article comprising at least one sheet-like layer containing an absorbent material.
  • the wound care article has at least one further active element which imparts a convex or pyramidal shape to the wound care article-in side view to its planar alignment.
  • convex or pyramidal shape implies that the wound care article is not planed on the side facing the wound, but is designed to fill deep wounds and contact the wound base over wide areas Edema and exudate accumulation is recorded and the wound healing process is promoted.
  • the wound care article according to the invention renders other wound fillers, such as those used in the prior art (see above) dispensable.
  • the relevant active elements are equipped as depots and contain specific active ingredients (for example a nutritive, a disinfecting or decontaminating and / or protease inhibiting active ingredient and / or active ingredient complex) or superabsorbent polymers. Due to the aforementioned convex shape, these active substances or superabsorbent polymers are brought very close to the site of action - unlike the wound fillers described above, which are generally passive, ie are not equipped with active-acting agents. This is particularly advantageous because superabsorbent polymers can bind proteins and bacteria, as shown, for example, in DE102007054127 by the assignee of the present invention. The closer they are to the wound, the more beneficial this property is to wound healing.
  • the said at least one active element is a pyramid-like, cushion-like, prismatic or hemispherical active element made of a soft and / or elastic material. It is particularly preferred that said soft and / or elastic material is selected from the group comprising microbeads, foam, silicone, hydrocolloid material, gauze, gauze, fluff, and / or dental impression material.
  • Microbeads are known for example from travel cushions, which receive a plastic deformability by this bed.
  • the said beads are preferably made of polystyrene, more preferably they may be mixed with superabsorbent polymers.
  • foam includes both open and closed cell foams of both natural materials (e.g., starch, cellulose) and synthetic materials (e.g., polyurethane). Especially foam can be provided in particular with superabsorbent polymers.
  • hydrocolloid material refers to plastically deformable and modelable materials such as those used in the area of ostomy care, for example mixtures containing butyl esters of PVM / MA, copolymer, ethanol, gelatin, pectin, plyacrylamide, Polysorbate, silica, and / or n-butyl alcohol.
  • PVM / MA plastically deformable and modelable materials
  • copolymer ethanol
  • gelatin gelatin
  • pectin plyacrylamide
  • Polysorbate silica
  • silica and / or n-butyl alcohol.
  • dental impression material also refers to plastically deformable and moldable materials, such as those used in dental medicine.
  • the said material may possibly contain holes or punches to facilitate the passage of liquid. In principle, it is also advantageous if the material is permeable to liquid and / or water vapor.
  • the said at least one active element is a multi-layer arrangement of differently sized, individually enveloped flat bearings containing an absorbent material.
  • the said individually enveloped sheet-like layers containing an absorbent material are in a cascaded arrangement, i. the smallest is at the top, while the largest is at the bottom.
  • the smallest has a size of ⁇ 4 cm 2 (for example, a rectangular size of 1.3 x 2 cm).
  • the areal layer containing an absorbent material has in particular the task of absorbing wound exudates and, if necessary, even of actively absorbing them.
  • the layer must have a material that has a swelling capacity or possibly even develops osmotic forces.
  • at least one of said layers has a section of a nonwoven, preferably of an airlaid.
  • nonwoven refers to a textile fabric of individual fibers or filaments which, in contrast to woven fabrics, knitted fabrics and knitted fabrics, are not made of yarns.Whats generally retain their structural integrity by adhesion of the individual fibers to one another "Nonwovens", and eg made by swaging the fibers.
  • airlaid refers to a special nonwoven fabric made of wood pulp and polyolefin fibers, in which possibly superabsorbent polymers are embedded.
  • the wound care article at least partially contains superabsorbent polymers.
  • Superabsorbent polymers are plastics that are able to absorb many times their own weight - up to 1000 times - in liquids. Chemically, this is a copolymer of acrylic acid (propionic acid, C3H4O2) and sodium acrylate (sodium salt of acrylic acid, NaCsHsO 2 ), wherein the ratio of the two monomers may vary.
  • a so-called core crosslinker core-crosslinker, CXL
  • CXL core-crosslinker
  • the superabsorbent polymers can be present in the wound care article of the invention in the form of a granulate, a powder, a bed, a compact, a foam, in the form of fibers, a fiber knitted fabric, a nonwoven fabric and / or a fiber wadding.
  • the wound care article may preferably comprise a substantially flat material portion of absorbent material consisting of an absorbent web having superabsorbent polymers dispersed therein. These may be in the form of granules, a powder, a bed, a compact, a foam, in the form of fibers, a fiber knitted fabric, nonwoven fabric and / or a fiber wadding.
  • the wound exudate absorbing body has at least one material which is selected from the group comprising a mat, in particular an airlaid of said yarns or fibers of superabsorbent polymers with incorporated superabsorbent polymers, and / or a loose filling of superabsorbent polymers.
  • Said Airlaid mat may preferably have a substantially flat material portion of absorbent material, the z. B. consists of an absorbent fleece of said fibers with superabsorbent polymers distributed therein.
  • This wound exudate absorbing body may correspond to the absorbent pad contained in a wound dressing of the assignee of the present invention, as disclosed, for example, in WO03094813, WO2007051599 and WO0152780, and sold under the trade name "sorbion sachet.”
  • WO03094813 WO2007051599 and WO0152780
  • sorbion sachet sold under the trade name "sorbion sachet."
  • the wound-absorbent body can likewise form a core which-if appropriate fluff-like-comprises fibers or yarns of superabsorbent polymers and superabsorbent polymers in granular form, the granules being adhesively bonded or welded to the fibers or yarns at several heights , and the granules are distributed over more than 50% of the total height of at least a portion of the core, wherein there are mixed areas of granules and fibers.
  • the proportion by weight of the superabsorbent polymers may preferably be in the range between 10 and 25% by weight. Similar constructions are known from conventional incontinence materials and how sanitary napkins are known for their upholstery properties.
  • a shell may be arranged around said core, which is arranged overlapping in regions and which, for example, covers or is part of an adhesive seam. Likewise, a portion of a hydrophobic and / or water-repellent or water-impermeable material may be provided within the envelope, which acts as a soaking or laundry protection.
  • the wound exudate absorbing body may also comprise at least one flat layer comprising fibers or yarns of superabsorbent polymers to which superabsorbent polymers in granule form are adhered.
  • a structure of the body having at least three layers, wherein two cover layers surrounding a layer having superabsorbent polymers.
  • the possibly provided multiple layers may also be physically compacted together by rolling, pressing, calendering or similar processes.
  • the body may have repetitive patterns or grains such as e.g. a checked pattern, a punching pattern or the like.
  • the wound care article also has an at least partially liquid-permeable shell.
  • the latter surrounds the material section, forms a barrier against solid precipitates forms and allows the passage of other leaked substances to that within the Cover arranged material section of absorbent material.
  • the sheath is preferably at least partially closed by a seam
  • the material portion in plan view of its flat side on a surface (Fl), which is in its non-wetted state by 3% to 75% smaller than the surface (F2) of the flattened shell and freely movable or fixed in the shell wherein the shell has pores all over, each of which is smaller than the unwetted superabsorbent polymers.
  • Fl surface
  • the material portion can increase in fluid intake in its volume and is not limited by the shell.
  • Flat side has a circumferential, protruding over the seam top and the absorption body is free of hard, sharp edges and corners.
  • the pores or meshes of the shell are preferably 0.05 mm to 1.0 mm, preferably 0.20 mm to 0.50 mm in size. Furthermore, it can preferably be provided that the pores or meshes are delimited by the filament or fiber sections, which are approximately arcuate in section through the envelope and point outwards with their arc crests.
  • the inner layer of the absorbent body preferably has a surface-specific weight of at least 300 g / m 2 , wherein the basis weight of the uniformly distributed therein proportion of osmotically active substances is at least 100 g / m 2 .
  • the inner layer consists of more than 40 wt .-% of superabsorbent polymers.
  • the envelope is preferably made of woven or non-woven composite synthetic fibers, such as polypropylene or polyethylene fibers, but also cotton, silk or viscose.
  • the covering preferably consists of one of a woven or nonwoven which has at least a surface-specific weight of 20 g / m 2 .
  • the shell is made of hydrophobic material, or the shell material is hydrophobic equipped.
  • the hydrophobic properties of the sheath prevent it from sticking to the wound surface and help the wound exudate particles to enter the sheath more quickly.
  • the shell has at least partially an elastic material, such as Lycra or spandex fibers. This also ensures that the material portion can increase in volume during fluid intake and is not restricted by the sheath.
  • the material of the sheath may be structured such that the sheath has a rough inner surface and a smooth outer surface.
  • the rough inner surface of the shell is formed by funnel-shaped perforations, each tapering towards the inner surface and terminating in a free opening edge ("protrusion"), this rough inner surface counteracting the displacements of the contents of the shell, thus providing adhesion with adhesive dots
  • the smooth outer surface of the shell material may be formed by curved sections of material extending between the perforations be.
  • such a casing material can be termed "three-dimensional", and is known, for example, from DE102006017194 of the applicant of the present application, to the disclosure of which reference is made in its entirety.
  • said three-dimensional shell material is laminated to the aforementioned polypropylene nonwoven.
  • the wound care article has a liquid-impermeable back protection ("backsheet”) on its side facing away from the wound.
  • FIG. 1 shows various possible components of such a wound care article according to the invention.
  • a flat layer 11 containing an absorbent material is provided, but furthermore at least one active element which gives the wound care article a convex or pyramidal shape in side view in its planar orientation.
  • This may be z. B. a hemispherical active element 12, a pyramid-like active element 13, a prismatic active element 14, a bulky active element 16 or a pillow-like active element 17, preferably containing microbeads, act. Not shown, but still covered by the disclosure of the present invention, are conical, frusto-conical, tetrahedral, prismoid semi-spherical, spherical segment-shaped and similarly shaped active elements. Likewise, the said active element may be a multi-layer arrangement of different sized, respectively individually enveloped flat layers 15 containing an absorbent material.
  • the relevant active elements are equipped as depots and contain specific active ingredients (for example a nutritive, a disinfecting or decontaminating and / or protease inhibiting active ingredient and / or active ingredient complex) or superabsorbent polymers.
  • specific active ingredients for example a nutritive, a disinfecting or decontaminating and / or protease inhibiting active ingredient and / or active ingredient complex
  • superabsorbent polymers for example a nutritive, a disinfecting or decontaminating and / or protease inhibiting active ingredient and / or active ingredient complex
  • FIG. 2a shows such a wound care article 20 according to the invention, comprising a flat layer 21, comprising an absorbent material, an active element which gives the wound care article a convex or pyramidal shape in side view in the form of a prismatic log 22, which consists of foam, as well as a 2-sheath envelope 23 which wraps the entire wound care article.
  • the said shell is preferably made of a nonwoven, z. As a polypropylene non-woven, and is welded together at their edges via ultrasonic seams.
  • FIG. 2b shows a similar wound care article 24 in which the at least one active element which gives the wound care article a convex or pyramidal shape consists of a multilayer arrangement of 25 different sized, individually wrapped flat layers containing an absorbent material.
  • FIG. 2 c shows a further wound care article 26, in which a plurality of bulge-like active elements 27 are provided.
  • These consist for example of cellulose wadding or a mixture of cellulose fibers and superabsorbent fibers.
  • they can be arranged to be slidable so that the convex shape of the wound care article can also be attached to the wound care article Adapt the shape of the wound to be treated.
  • the bulge-like active elements can also be provided with their own sheathing.
  • FIG. 3 shows a wound care article 31 according to the invention with an active element 32, which gives the wound care article a convex or pyramidal shape in its side view, and its applicability in a deep wound 33.
  • the wound care article can thus fill deep wounds and cover wide areas come in contact with the wound base. In this way, deep-seated edemas and exudate accumulations 34 are detected, and the wound healing process is promoted.
  • the superabsorbent polymers are brought very close to the site of action unlike the wound fillers described above, which are generally passive; not equipped with active agents.

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Materials For Medical Uses (AREA)

Abstract

L'invention concerne un article pour le soin des plaies présentant au moins une face plate contenant un matériau absorbant, qui est caractérisé en ce qu'il présente au moins un autre élément actif supplémentaire, lequel confère à l'article pour le soin des plaies- son orientation plate vue de profil- une forme convexe ou pyramidale.
EP10745610A 2009-08-24 2010-08-23 Article pour le soin des plaies à pansement convexe Withdrawn EP2470134A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009038387A DE102009038387A1 (de) 2009-08-24 2009-08-24 Wundpflegeartikel mit konvexer Einlage
PCT/EP2010/062215 WO2011023649A1 (fr) 2009-08-24 2010-08-23 Article pour le soin des plaies à pansement convexe

Publications (1)

Publication Number Publication Date
EP2470134A1 true EP2470134A1 (fr) 2012-07-04

Family

ID=43088176

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10745610A Withdrawn EP2470134A1 (fr) 2009-08-24 2010-08-23 Article pour le soin des plaies à pansement convexe

Country Status (4)

Country Link
US (1) US20120179127A1 (fr)
EP (1) EP2470134A1 (fr)
DE (1) DE102009038387A1 (fr)
WO (1) WO2011023649A1 (fr)

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DE102010004478A1 (de) 2010-01-12 2011-07-14 Riesinger, Birgit, 48346 Neue Technologien zur Verwendung in Wundauflagen mit superabsorbierenden Polymeren
EP2704674A1 (fr) 2011-05-02 2014-03-12 Birgit Riesinger Article pour le soin des plaies
DE102011050047A1 (de) 2011-05-02 2012-11-08 Birgit Riesinger Wundpflegeartikel für Kavitäten
DE102011106393A1 (de) 2011-07-02 2013-01-03 Steffen Herr Doppellagiges textiles Flächengebilde mit einstellbaren, festem Lagenabstand in der Verwendung als Wundauflage
EP2787944A1 (fr) * 2011-12-09 2014-10-15 Birgit Riesinger Ensemble comprenant un pansement et une substance de remplissage de plaie
DE102012007919A1 (de) 2012-04-20 2013-10-24 Steffen Herr Doppellagiges textiles Flächengebilde mit einstellbaren, festem Lagenabstand in der Verwendung als Wundauflage
SE536520C2 (sv) * 2012-06-26 2014-01-28 Caresumables Ab Absorberande engångsprodukt för användning i munnen på patienter
TWI623305B (zh) * 2014-03-05 2018-05-11 Three-dimensional wound dressing
US9561136B2 (en) 2014-03-13 2017-02-07 Gregory Troy Williams Bandage
US20150366718A1 (en) * 2014-06-24 2015-12-24 Bio-Medical Carbon Technology Co., Ltd. Three dimensional wound dressing

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US20120179127A1 (en) 2012-07-12
DE102009038387A1 (de) 2011-03-03

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