EP2701646A1 - Article pour le soin des plaies comportant un motif d'incisions et/ou de gaufrages - Google Patents

Article pour le soin des plaies comportant un motif d'incisions et/ou de gaufrages

Info

Publication number
EP2701646A1
EP2701646A1 EP12718955.3A EP12718955A EP2701646A1 EP 2701646 A1 EP2701646 A1 EP 2701646A1 EP 12718955 A EP12718955 A EP 12718955A EP 2701646 A1 EP2701646 A1 EP 2701646A1
Authority
EP
European Patent Office
Prior art keywords
wound care
care article
wound
article according
incisions
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Withdrawn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
EP12718955.3A
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
Individual
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 Individual filed Critical Individual
Publication of EP2701646A1 publication Critical patent/EP2701646A1/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Withdrawn legal-status Critical Current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
    • A61F13/01—Non-adhesive bandages or dressings
    • A61F13/01034—Non-adhesive bandages or dressings characterised by a property
    • A61F13/01042—Absorbency
    • 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
    • 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
    • A61F13/00051—Accessories for dressings
    • A61F13/00063—Accessories for dressings comprising medicaments or additives, e.g. odor control, PH control, debriding, antimicrobic
    • 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
    • A61F13/05—Bandages or dressings; Absorbent pads 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]
    • 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
    • A61F2013/00727—Plasters means for wound humidity control
    • A61F2013/00748—Plasters means for wound humidity control with hydrocolloids or superabsorbers

Definitions

  • the present invention relates to a wound care article with a pattern of incisions and / or punches according to the preamble of claim 1.
  • the prior art for example from DE10059439 of the applicant of the present application, discloses wound care articles having a wound exudate absorbing body. In this case, the latter has a substantially flat Materialabschniit of absorbent material, consisting of an absorbent fleece with distributed therein superabsorbent Tei Ichen.
  • the absorption body described therein has a multilayer structure, wherein the layers are connected in a planar manner by so-called "bonding points.”
  • the bonding points are produced by thermal pressing with a stamp-like matrix.
  • a wound care article produced with such bonding points has a certain rigidity over its surface and is not * flexible
  • the cavities produced by the bonding process have welded surfaces on their walls, since the bonding process uses, among other things, heat, which can seal the areas in question and cause the liquid to seep in make the absorption material difficult, which in turn affects the overall fluid intake.
  • the products produced by these processes also have a certain rigidity and may also tend to make it more difficult to enter the absorbent material,
  • Object of the present invention is to provide a wound care article that does not have the disadvantages mentioned. This object is achieved by the features of the present set of claims.
  • the dependent claims give preferred
  • a wound care article comprising a flat
  • Absorbent body of a non-woven or airlaid material containing superabsorbent polymers provided which has a pattern of incisions and / or punches.
  • nonwoven refers to a textile fabric of individual fibers which, unlike woven fabrics, knitted fabrics and knitted fabrics, is not made of yarns Nonwovens tend to retain their structural integrity as a result of the adhesion of the individual fibers and are referred to as “nonwovens”. and eg made by swaging the fibers.
  • a aid refers to a special nonwoven fabric made of cellulose and polyolefin fibers, in which superabsorbent polymers may be embedded.
  • the wound care article at least partially contains superabsorbent polymers.
  • superabsorbent polymers are plastics that are capable of multiples of their own weight - up to 1000 times - on
  • this is a copolymer of acrylic acid (P openklare, C3K1O2) and sodium acrylate (sodium salt of Acryiklare, aCaH ⁇ ), wherein the ratio of the two monomers can vary.
  • a so-called Kernvernet zer (core cross-linker, CXL) of the monomer solution is added, which connects the formed long-chain polymer molecules in places with each other by chemical bridges (they "crosslinked”). These bridges make the polymer water insoluble. When water or aqueous salt solutions penetrate into the polymer particles, it swells up and tightens this network at the molecular level so that the water can no longer escape without assistance.
  • the superabsorbent polymers can be present in the wound care article according to 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, nonwoven fabric and / or a fiber wadding.
  • the wound care article may preferably comprise a substantially flat absorbent body of absorbent material consisting of an absorbent web having superabsorbent polymers dispersed therein. These may be in the form of granules, a powder, a pad, a compact, a foam, in the form of fibers Fasergewirkes, -Laid or -Vlieses and / or a fiber wadding present.
  • the absorbent body comprises 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
  • Airlaid mat may preferably comprise a substantially flat portion of material
  • the z. B. consists of an absorbent fleece of said fibers with superabsorbent polymers distributed therein.
  • This absorption body may correspond to the absorbent pad, which in one
  • the absorbent body can also form a core which - optionally flake-like - fibers or yarns of superabsorbent polymers and superabsorbent polymers in granular form, wherein the granules are glued or welded to the fibers or Ga ne in several heights, and the granules are distributed over my 1 as 50% of the total height of at least a portion of the core, wherein mixed areas of granules and fibers are present.
  • 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 known as sanitary napkins for their cushioning 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.
  • the absorbent body in another embodiment, may also include at least one flat layer comprising fibers or yarns of superabsorbent polymers to which superabsorbent polymers in granular form are adhered. This results in a preferred embodiment, a structure of the body having at least three layers, wherein two cover layers surrounding a layer having superabsorbent polymers.
  • the body may have repetitive patterns or grains, such as a checked pattern, a punching pattern, or the like.
  • incision refers to an incision in the
  • Said incisions may be slotted or angular (L-shaped), but also cross-shaped or star-shaped. Further preferred forms of the said incisions are shown in FIG. 1 b.
  • Punches in the context of the present invention are characterized by a substantial removal of material and are preferably circular ("punched holes"), diamond-shaped, or polygonal. Of course, combinations of incisions and punches in a wound care article are also conceivable.
  • Both the incisions and the punches are preferably designed such that they penetrate the absorption body through all the layers. Alternatively, it can also be provided that they penetrate only a few layers of the absorption body.
  • the incisions and / or punches are designed and / or arranged in such a way that they increase the softness, the conformability and / or the wearing comfort of the wound care article.
  • the incisions and / or punches are formed and / or arranged in such a way that they facilitate the liquid entry into the wound care article. This can be especially true then be advantageous if the absorption body is laminated with a Deckschreib which should provide for a dry surface of the absorption body. Under certain circumstances, this covering layer may hinder the liquid entry into the absorption body.
  • superabsorbent particles may leak from the incisions and / or punches and provide rewet of the wound. This can be particularly advantageous when the absorption body is laminated with the already discussed Deck Mile, which is to provide a dry surface of the absorption body. Under certain circumstances, local drying processes in the wound may occur, which are remedied by the said release of superabsorbent particles.
  • the incisions and / or punches are formed and / or arranged in such a way that they define fold lines, along which the
  • Wound care article can be folded.
  • the wound care article has an at least partially liquid-permeable shell.
  • the latter surrounds the absorbent body, forms a barrier against solid precipitates and allows the passage of other leaked substances to the inside of the shell
  • the sheath is preferably at least partially closed by a seam. This may be e.g. to act an adhesive seam, a stitched seam or a weld, for example, an ultrasonic weld.
  • Absorption body in plan view of its flat side has a surface (Fl), which in Unwetted state is 3% to 75% smaller than the area (F2) of the flattened shell.
  • the wound care article forms an expansion space, which ensures that the absorption body can increase in volume during fluid intake and is not restricted by the sheath.
  • Flat side has a circumferential, protruding over the seam top and the absorption body is free of hard, sharp edges and corners. Particularly preferably, the corners of the shell - in plan view - strongly rounded.
  • the pores or meshes of the shell are preferably designed such that they are smaller than the superabsorbent particles. This is particularly important because through the incisions or punches Superabsorberpiety can trickle out of the absorption body and therefore must be retained by the shell.
  • the pores or meshes of the shell are preferably smaller than the mean diameter of said superabsorbent particles, more preferably smaller than the mean diameter of the single or multiple standard deviation of said superabsorbent particles.
  • the pores may be e.g. 0.05 mm to 1, 0 mm, preferably 0.20 mm to 0.50 mm large. 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 with their bow Scheitehi outward.
  • the absorption body is fixed in the shell.
  • it can also be arranged freely movable in the shell be.
  • the absorption body in the wound care article according to the invention has a grammage or a basis weight of> 100 g / m and ⁇ 600 g / m, more preferably from> 125 g / m 2 to ⁇ 500 g / m 2 and in particular preferably from> 160 g / m 2 to ⁇ 220 g / m 2 .
  • the wound care article according to the invention has a width of between 20 and up to and including 140 cm and a length of between 30 and 250 cm inclusive. Particularly preferred dimensions are 7.5 x 7.5 cm, 10 x 10 cm, 10 x 20 cm and 20 x 20 cm.
  • the absorption body has a proportion of> 40% by weight of superabsorbent polymers.
  • the weight fraction of the superabsorbent polymers is> 45, 50, 55, 60, 65 or 70% by weight. Wound care article with such high proportions by weight
  • superabsorbent polymers have a particularly high absorption capacity for
  • the envelope is preferably formed from woven or non-woven composite synthetic fibers, such as polypropylene or polyethylene fibers, but also cotton, silk or viscose.
  • the sheath preferably consists of one of a woven or nonwoven material 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 an elastic material at least in sections. This may be, for example, fibers Lycra or spandex act. Also, it is ensured that the Matena labites in remplisstechniksau decrease in its volume can increase and is not limited by the shell. In this case, the expansion space described above may be dispensed with.
  • 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 which each taper in the direction of the inner surface and terminate in a free opening edge ("projection".) This rough inner surface counteracts the displacements of the contents of the shell, so that a fixation with
  • Glue points can be dispensed with. Accordingly, the smooth outer surface of the shell material may be curved, extending between the perforations
  • Such a sleeve material in contrast to a two-sided plane, can be called “three-dimensional”, and is known from z, B
  • said three-dimensional Hülienmaterial is alsiaminiert on the aforementioned polypropylene nonwoven. Such a design results in improved fluid absorption properties.
  • the wound care article has a liquid-impermeable backsheet on its side facing away from the sore.Furthermore, it can be provided that the sheath on the wound-facing side is provided with a backsheet
  • the wound care article comprises silver, silver ions or silver-containing compounds.
  • a wound care article containing silver and superabsorbent polymers is described for example in EP1656914, which also describes the advantages resulting from the interplay of the two components. This interaction is further enhanced in the context of the subject invention, since the higher conformability ensures better contact with the wound and therefore the silver, the silver ions or the silver-containing compounds can better develop its effect in the wound. Furthermore, the increased liquid entry causes the silver, the silver ions or the silver-containing compounds to mobilize more quickly, so that it can more easily enter the wound. Furthermore, the foldability makes it easier to use, even in deep cavities or fistulas, which are particularly susceptible to inflammation and therefore particularly benefit from treatment with silver, silver ions or silver-containing compounds.
  • the wound care article has a preparation comprising bacteriophages or their constituents.
  • Superabsorbent polymers are described, for example, in WO2009060097, which also describes the advantages resulting from the interplay of the two components.
  • At least one lining layer preferably made of cellulose fleece, is arranged between the absorption body and the envelope.
  • the liner layer serves to guide the wound exudate received through the sheath to the absorbent body while preventing backflow of wound exudate into the wound.
  • the lamination layer is preferably adapted to the inner dimension of the hillie and accordingly in the area slightly larger than the underlying absorption body, so that leaks from the
  • Absorbent body can be intercepted.
  • the lining layer is exactly adapted to the expansion space around the absorbent body.
  • the absorbent body may be flanked by a liner only from one side, or covered with one or more liner layers by a sandwich arrangement from both sides.
  • the lamination layer is preferably made of cellulose fleece without further
  • FIG. 1a shows a wound care article 10 in plan view, comprising an envelope 11 having a seam 12, and a planar absorption body 13 made of a nonwoven or airlaid material containing superabsorbent polymers.
  • the shell forms an expansion space 14, so that it is ensured that the absorption body can increase in fluid intake in its volume and is not limited by the shell.
  • Absorption body 13 has a pattern of L-shaped incisions 15, which are introduced by means of a suitably designed punching tool in the absorption body and in particular increase the conformability of the originally relatively rigid absorption body. In this way, a wound care article is achieved, which gently to the
  • the wound relief clings to the patient, which is perceived by the patient as being very soft and agreeable and which, due to the close contact with the wound, can fully unfold its function of absorbing wound exudate.
  • FIG. 1b shows, by way of example, other shapes which can assume said incisions
  • the material in this area can swell locally, so that a whereabouts of the ingested liquid is ensured in place, and no lateral distribution takes place.
  • superabsorbent particles may escape and rewet the wound. This can be advantageous in particular when the absorption body is laminated with a cover which is intended to provide a dry surface of the absorption body. Here it may be too local Drying processes in the wound come through the said leakage of
  • Fig. 2a shows a further wound flegeumble 20 in plan view, comprising a shell 21 and a two-dimensional Absorptionsköiper 23 of a nonwoven or airlaid material containing superabsorbent polymers.
  • the two-dimensional Absorptionsköiper 23 has a line-shaped pattern of punches 25 which are introduced by means of a suitably designed punching tool in the Absorptionsköiper.
  • a fold line is given, along which the wound care article can be folded, for example, to insert it into a deeply incised wound.
  • the punctures which come to rest particularly on the wound base, the liquid entry into the
  • Fig. 2b shows said wound care article 20 in a folded position in a deeply incised wound.
  • FIG. 3 a shows a further wound care article 30 in plan view, comprising an envelope 31 and a planar absorption hood 33 made of a nonwoven or airlaid material containing superabsorbent polymers.
  • the two-dimensional absorption body 33 has three linear patterns of punches 35, which are introduced into the absorption heads by means of a correspondingly designed punching tool. In this way, three fold lines are given, along which the wound care article can be folded, for example in order to adapt it to the relief of a wound. Fei ner is facilitated by the punches, which come especially at the wound base to lie, the fluid entry into the wound care article, thus improving the active absorption of exudate.
  • Fig. 3b shows said wound care article 30 in a folded position adapted to the relief of a wound.
  • FIG. 4 shows a further wound care article 40 in plan view, comprising a casing 41 and a planar absorption core 43 made of a nonwoven or airlaid material containing superabsorbent polymers.
  • the two-dimensional Absorptionsköiper 43 has a flat pattern of punched holes 45, which by means of a suitably designed punching in the Absoiptions emotions are introduced. In this way the liquid entry into the wound care article is facilitated. Furthermore, the conformability of the originally relatively rigid absorbent body is increased, so that a wound care article is achieved, which gently conforms to the wound relief, the patient will feel very soft and pleasant and can fully unfold its wound exudate-absorbing function by the close contact with the wound.
  • Fig. 5 shows further embodiments of the wound care article according to the invention, wherein the punches and / or incisions, which are partly realized together in a wound care article, the softness increase the conformability and / or comfort of the wound care article, facilitate the liquid ins tt in the wound care article and / or Define folding lines, along which the wound care article can be folded.
  • FIG. 6 shows how from the incisions (FIG. 6 a) and / or punches (FIG. 6 b)

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Materials For Medical Uses (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

L'invention concerne un article pour le soin des plaies comprenant un corps d'absorption plan en un matériau non tissé ou airlaid contenant des polymères super absorbants, ledit corps d'absorption plan présentant un motif d'incisions et/ou de gaufrages.
EP12718955.3A 2011-04-26 2012-04-26 Article pour le soin des plaies comportant un motif d'incisions et/ou de gaufrages Withdrawn EP2701646A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011002268A DE102011002268A1 (de) 2011-04-26 2011-04-26 Wundpflegeartikel mit einem Muster aus Inzisionen und/oder Stanzungen
PCT/EP2012/057648 WO2012146656A1 (fr) 2011-04-26 2012-04-26 Article pour le soin des plaies comportant un motif d'incisions et/ou de gaufrages

Publications (1)

Publication Number Publication Date
EP2701646A1 true EP2701646A1 (fr) 2014-03-05

Family

ID=46027939

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12718955.3A Withdrawn EP2701646A1 (fr) 2011-04-26 2012-04-26 Article pour le soin des plaies comportant un motif d'incisions et/ou de gaufrages

Country Status (4)

Country Link
US (1) US20140135721A1 (fr)
EP (1) EP2701646A1 (fr)
DE (1) DE102011002268A1 (fr)
WO (1) WO2012146656A1 (fr)

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WO2012146656A1 (fr) 2012-11-01
DE102011002268A1 (de) 2012-10-31

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