DE1717171A1 - Textile wound dressing and process for their manufacture - Google Patents
Textile wound dressing and process for their manufactureInfo
- Publication number
- DE1717171A1 DE1717171A1 DE19661717171 DE1717171A DE1717171A1 DE 1717171 A1 DE1717171 A1 DE 1717171A1 DE 19661717171 DE19661717171 DE 19661717171 DE 1717171 A DE1717171 A DE 1717171A DE 1717171 A1 DE1717171 A1 DE 1717171A1
- Authority
- DE
- Germany
- Prior art keywords
- adhesive
- fiber fleece
- fibers
- wound dressing
- needled
- 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.)
- Pending
Links
- 239000004753 textile Substances 0.000 title claims description 24
- 238000000034 method Methods 0.000 title claims description 7
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000000835 fiber Substances 0.000 claims description 61
- 239000000853 adhesive Substances 0.000 claims description 25
- 230000001070 adhesive effect Effects 0.000 claims description 25
- 239000004744 fabric Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000004745 nonwoven fabric Substances 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 206010052428 Wound Diseases 0.000 description 35
- 208000027418 Wounds and injury Diseases 0.000 description 35
- 239000000463 material Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 102000009123 Fibrin Human genes 0.000 description 1
- 108010073385 Fibrin Proteins 0.000 description 1
- BWGVNKXGVNDBDI-UHFFFAOYSA-N Fibrin monomer Chemical compound CNC(=O)CNC(=O)CN BWGVNKXGVNDBDI-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 206010048629 Wound secretion Diseases 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229950003499 fibrin Drugs 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-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
- D04H1/44—Non-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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/48—Non-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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
- D04H1/488—Non-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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with bonding agents
-
- 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
- A61F13/00987—Apparatus or processes for manufacturing non-adhesive dressings or bandages
- A61F13/00991—Apparatus or processes for manufacturing non-adhesive dressings or bandages for treating webs, e.g. for moisturising, coating, impregnating or applying powder
- A61F13/00995—Apparatus or processes for manufacturing non-adhesive dressings or bandages for treating webs, e.g. for moisturising, coating, impregnating or applying powder for mechanical 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
- A61F13/01—Non-adhesive bandages or dressings
- A61F13/01021—Non-adhesive bandages or dressings characterised by the structure of the dressing
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-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
- D04H1/42—Non-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
- D04H1/425—Cellulose series
- D04H1/4258—Regenerated cellulose series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-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
- D04H1/42—Non-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
- D04H1/4266—Natural fibres not provided for in group D04H1/425
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-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
- D04H1/44—Non-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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/48—Non-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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
-
- 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
- A61F2013/00153—Wound bandages coloured or with decoration pattern or printing
-
- 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
- A61F2013/00238—Wound bandages characterised by way of knitting or weaving
-
- 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
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S602/00—Surgery: splint, brace, or bandage
- Y10S602/90—Method of making bandage structure
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Nonwoven Fabrics (AREA)
Description
S v>- / -A S v> - / -A
frnrrrfrnrrr
KRU/hu -69/65 13o Januar 1966KRU / hu -69/65 13o January 1966
V-60.294-OIV-60.294-OI
Verbandstoff- und Verbandwattefabriken Paul Hartmann AG, Heidenheim/BrenzDressing material and cotton wool factories Paul Hartmann AG, Heidenheim / Brenz
Textile Wundauflage und Verfahren zuTextile wound dressing and procedure too
ihrer Herstellung M their manufacture M
Die Erfindung bezieht sich auf eine textile Wundauflage mitThe invention relates to a textile wound dressing
einem Faservlies. Λ a fiber fleece. Λ
Eine gute textile Wundauflage soll eine große Saugwirkung und ein ausreichendes Aufnahmevermögen für Sekrete haben und gut luftdurchlässig sein. Sie soll dem Wundprofil faltenfrei anliegen, reizlos sein und mit der Wunde nicht verkleben oder verwachsen.A good textile wound dressing should have a great suction effect and have a sufficient capacity to absorb secretions and be good be air permeable. It should fit the wound profile without wrinkles, be irritant and not stick or grow together with the wound.
109831/1659109831/1659
Bei einem bekannten, sogenannten wundfreundlichen Verbandstoff handelt es sich um ein Gewebe, das hinsichtlich Gewebeart, Fadenzahl, Fadenstärke und Zwirnung so ausgelegt ist, daß bei Flüssigkeitsaufnahme die Fäden unterschiedlich schrumpfenο Hierdurch führt das Gewebe eine Eigenbewegung aus; es zieht sich wellenförmig zusammen, so daß bei schwacher Wundsekretion ein Ankleben an der Wunde verhindert wird» Dabei wird aber nicht die Forderung nach einer absoluten Wundruhe erfüllt. Bei starker Wundabsonderung reicht das Aufnahmevermögen oftmals nicht aus»A well-known, so-called wound-friendly dressing material is a fabric that, with regard to the type of fabric, The thread count, thread thickness and twist is designed so that the threads differ when they absorb liquid shrink ο This causes the tissue to move on its own the end; it contracts in a wave-like manner, so that if the wound secretion is weak it prevents it from sticking to the wound however, the requirement for absolute wound rest is not met. The absorption capacity is sufficient in the case of strong wound exudation often not from »
Ein anderer bekannter Verbandstoff weist einen Vliesstoff auf, dessen Faserzwischenräume durch Zusammenpressen verdichtet und dessen Kontaktfläche mit Aluminium bedampft ist, um so das Einwachsen von Fibrin in den Verbandstoff und somit das Kleben an der Wunde zu verhindern. Eine ähnliche Wirkung soll mit einem anderen Wundverband erzielt werden, der aus einer mit zahlreichen kleinen gestanzten Löchern versehenen Polypropylenfolie besteht, auf deren wundferner Seite ein weitfädiges Mullgewebe aufgeklebt ist.Another known bandage material comprises a nonwoven material, the interstices of which are compressed by pressing together and the contact surface of which is vapor-coated with aluminum, in order to prevent fibrin from growing into the dressing material and thus the Prevent sticking to the wound. A similar effect is said to be achieved with another wound dressing made from a polypropylene film provided with numerous small punched holes, on the side of which is further away from the wound wide-thread gauze fabric is glued on.
Beide Wundauflagen saugen nicht oder nur sehr wenig und bedürfen deshalb zusätzlich einer Auflage aus saugendem Material.Both wound dressings do not absorb or only very little and therefore also require a cover made of absorbent material.
1 0 9 8 3 1/16 5 91 0 9 8 3 1/16 5 9
Die Aufgabe der Erfindung besteht nun darin, ein Wundtextil der eingangs genannten Art zu schaffen, das einerseits gegenüber herkömmlichen textlien Wundauflagen eine erhebliche Steigerung der Saugkraft und des Aufnahmevermögens ermöglicht und darüber hinaus an seiner Kontaktfläche hinreichend glatt ist, um ein Verkleben mit der Wunde zu verhindern.The object of the invention is now to provide a wound textile of the type mentioned to create that on the one hand Compared to conventional textile wound dressings, it enables a considerable increase in suction power and absorption capacity and, moreover, sufficient on its contact surface is smooth to prevent sticking to the wound.
Diese Aufgabe wird gemäß der Erfindung dadurch gelöst, daß das Faservlies genadelt ist und daß auf der Nadeleinstichseite die Fasern der obersten Faserschicht durch einen Kleber miteinander verbunden sind«This object is achieved according to the invention in that the nonwoven fabric is needled and that on the needle entry side the fibers of the uppermost fiber layer together with an adhesive are connected"
Wirdauf der Nadeleinstichseite eines Faservlieses auf die Fasern der obersten Faserschicht ein Kleber aufgebracht, so werden zwar diese obersten Fasern miteinander verbunden und leicht mit Kleber bedeckt, die durch das Nadeln entstehenden trichterförmigen Vertiefungen, deren Fläche unterhalb der der obersten Fasern liegt, bleiben jedoch frei. Auf diese Weise ist das erfindungsgemäße Wundtextil oberflächlich hinreichend glatt, und die Fasern sind fest miteinander verbunden, so daß sie nicht in die Wunde einwachsen können. Is applied to the fibers on the needle entry side of a nonwoven fabric If an adhesive is applied to the uppermost fiber layer, these uppermost fibers are indeed connected to one another and Lightly covered with glue, the funnel-shaped depressions created by the needling, the surface of which is below the of the uppermost fibers, but remain free. In this way, the wound textile according to the invention is superficial sufficiently smooth and the fibers are firmly bound together so that they cannot grow into the wound.
1098 3 1/16 591098 3 1/16 59
Darüber h,inaus weist ein solches Faservlies bei gleichem Gewicht ein weitaus größeres Saugvermögen als ein Gewebe auf» Dies ist darauf zurückzuführen, daß bei einem genadelten Faservlies praktisch kaum Unterschiede im Abstand der einzelnen Fasern zueinander bestehen und somit, im Gegensatz zum Gewebe, keiner der Zwischenräume zwischen den Fasern für eine Flüssigkeitsspeicherung zu groß ist. Durch das Nadeln wird ein erheblicher Anteil der Fasern des Faservlieses im wesentlichen senkrecht zu dessen LängserStreckung ausgerichtet. Diese Fasern verlaufen ebenfalls senkrecht zum Flüssigkeitsspiegel von mit dem Wundtextil abzudeckenden Wunden, so daß der durch diese Anordnung einsetzende Dochteffekt der senkrechten Fasern zu einer weiteren Steigerung des Saugvermögens des erfindungsgemäßen Wundtextils herangezogen wird.In addition, such a fiber fleece has the same Weight has a far greater absorbency than a fabric on »This is due to the fact that with a needled Fiber fleece practically hardly any differences in the distance between the individual fibers exist and thus, in contrast to the tissue, none of the interstices between the fibers are too large for fluid storage. By needling a significant proportion of the fibers of the nonwoven fabric is aligned essentially perpendicular to its longitudinal extension. These fibers also run perpendicular to the liquid level of wounds to be covered with the wound textile, see above that the wicking effect of the vertical fibers resulting from this arrangement leads to a further increase in the pumping speed of the wound textile according to the invention is used.
Erfindungsgemäß ist weiterhin vorgesehen, daß im genadelten Vlies ein Trägergewebe vorgesehen ist. Durch dieses Trägergewebe, das beispielsweise Verbandmull sein kann, erhält man in Verbindung mit der Nadelung des Faservlieses ein maßstabiles und verhältnismäßig festes Wundtextil.According to the invention it is also provided that in the needled Fleece a carrier fabric is provided. This carrier fabric, which can be gauze, for example, is obtained In connection with the needling of the fiber fleece, a dimensionally stable and relatively strong wound textile is obtained.
Neuere Untersuchungen haben ergeben, daß weiße und metallkaschierte Verbandstoffe durch ihre gute Reflektion der Wärmestrahlen eine Steigerung der Wundtemperatur von mehr als k°C Recent studies have shown that white and metal-clad bandages, due to their good reflection of heat rays, increase the wound temperature by more than k ° C
109831/1659109831/1659
bewirken können und daß bei violett gefärbtem Wundtextil hingegen bei gleicher Stoffdicke nur eine Temperatursteigerung von etwa 0,6 C eintritt» Zur Vermeidung dieser unerwünschten Steigerung der Wundtemperatur wird deshalb nach einem weiteren Merkmal der Erfindung vorgesehen, daß der Kleber vorzugsweise wärmestrahlenabsorbierend eingefärbt ist0 can cause and that in violet-dyed wound textile on the other hand with the same material thickness of only a temperature increase of about 0.6 C enters "To avoid these undesirable increase of the wound temperature is therefore provided according to a further feature of the invention that the adhesive is colored preferably heat rays absorbing 0
Die Erfindung ist aber auch auf ein Verfahren zur Herstellung des erfindungsgemäßen Wundtextils gerichtet. Dieses Verfahren zeichnet sich dadurch aus, daß das Faservlies genadelt und im Anschluß daran durch zwei rotierende Beschichtungswalzen geführt wird, auf deren untere, zum Beispiel mittels eines Rakels, eine gleichmäßige, etwa 25 bis 50yum dicke Kleberschicht aufgetragen wird, die von dieser Walze auf die Nadeleinstichseite des Faservlieses übertragen wird und daß das beschichtete Faservlies,vor Trock- -a nung des Klebers, zum Beispiel zwischen zwei rotierenden Walzen, zusammengepreßt wird» Ein Herstellungsverfahren der erfindungsgemäßen Art kann kontinuierlich durchgeführt werden und ermöglicht somit eine wirtschaftliche Herstellung des erfindungsgemäßen Wundtextils.However, the invention is also directed to a method for producing the wound textile according to the invention. This method is characterized in that the fiber fleece is needled and then passed through two rotating coating rollers, on the lower of which, for example by means of a doctor blade, a uniform, approximately 25 to 50 µm thick adhesive layer is applied, which is then applied by this roller to the Needle entry side of the fiber fleece is transferred and that the coated fiber fleece, before drying -a tion of the adhesive, for example between two rotating rollers, is pressed together.
109831/165 9109831/165 9
Damit die nach dem Auftragen des Klebers auf die Fasern zwischen vielen Fasern vorhandenen Kleberhäutchen, die die Saugfähigkeit des genadelten Faservlieses naturgemäß herabsetzen würden, zerrissen werden, und der Kleber sich vornehmlich an Berührungs- und Kreuzungspunkten dieser Fasern anlagert, ist in weiterer Ausgestaltung des Grundgedankens der Erfindung vorgesehen, daß das Faservlies unmittelbar nach Verlassen der Beschichtungswalzen auf seiner Kleberseite mit scharfen Preßluftstrahlen behandelt wird.So that after the adhesive has been applied to the fibers, there are thin layers of adhesive between many fibers that would naturally reduce the absorbency of the needled fiber fleece, would be torn, and the adhesive would primarily at points of contact and intersection of these fibers is a further development of the basic idea the invention provides that the fiber fleece immediately after leaving the coating rollers on its adhesive side is treated with sharp jets of compressed air.
Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus der folgenden Beschreibung eines bevorzugten Ausführungsbeispieles sowie anhand der schematischen Zeichnung« Hierbei zeigen:Further details, features and advantages of the invention emerge from the following description of a preferred one Embodiment as well as with the aid of the schematic drawing «Here show:
Fig. 1 einen Teilschnitt durch ein erfindungsgemäßen Faservlies und1 shows a partial section through a fiber fleece according to the invention and
Fig» 2 eine Draufsicht auf den Gegenstand der Figur 1.FIG. 2 shows a plan view of the object of FIG. 1.
109831/1659109831/1659
Das in den Figuren 1 und 2 der Zeichnung dargestellte Wundtextil besteht im wesentlichen aus dem Faservlies 1 , dessen oberste Fasern 2 der Nadeleinstichseite 3 mit einem Kleber 4 miteinander verbunden sind»That shown in Figures 1 and 2 of the drawing Wound textile essentially consists of the fiber fleece 1, whose top fibers 2 on the needle entry side 3 are connected to one another with an adhesive 4 »
Das ungenadelte Vlies besteht aus Baumwoll- und/oder Zellwollfasern, wie dies zum Beispiel bei der Herstellung von medizinischer Watte üblich ist* Das Faservlies 1 wird inThe non-needled fleece consists of cotton and / or cellulose fibers, like this, for example, in the production of medical wadding is common * The nonwoven fabric 1 is used in
einer Nadelmaschine mit etwa 150 Einstichen pro cm genadelt» Dadurch ergibt sich die in Figur 1 gezeigte Ausbildung des Faservlieses ο Es besteht zu einem Teil aus senkrecht zur Längsrichtung des Faservlieses 1 verlaufenden Faserbündeln 5 und zum anderen Teil aus parallel zur Ebene der Längserstreckung des Faservlieses 1 angeordneten Fasern 7· An ihren Einstichstellen hinterlassen die Nadeln der Nadelmaschine trichterförmige Vertiefungen 6.needled a needle machine with about 150 punctures per cm »This results in the design shown in Figure 1 of the fiber fleece ο It consists partly of perpendicular to the longitudinal direction of the fiber fleece 1 Fiber bundles 5 and the other part from parallel to The fibers 7 arranged in the plane of the longitudinal extension of the fiber fleece 1 leave the Needles of the needling machine, funnel-shaped depressions 6.
Nachdem das so gebildete Faservlies 1 die Nadelmaschine verlassen hat, wird es durch-zwei rotierende Beschichtungswalzen geführt, auf deren untere mittels eines Rakels eine gleichmäßige etwa 0,05 mm dicke Schicht eines indifferenten, polymeren, wasserunlöslichen»elastischen Klebers 4, z.B. auf der Basis von Silikonkautschuk, Zelluloseacetat,After the fiber fleece 1 thus formed, the needling machine it is left by two rotating coating rollers out, on the lower one by means of a squeegee a uniform about 0.05 mm thick layer of an indifferent, polymeric, water-insoluble »elastic adhesive 4, e.g. based on silicone rubber, cellulose acetate,
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Polyisobutylen oder von Polyamid, aufgetragen ist. Dieser Kleber wird auf die Fasern 2 der obersten Faserschicht der Nadeleinstichseite 3 des Faservlieses 1 übertragen. Es ist jedoch erforderlich, daß die BeSchichtungswalzen das genadelte Faservlies 1 bei der Übertragung des Klebers nur sehr wenig zusammendrücken, damit dieser nicht die tiefergelegenen trichterförmigen Vertiefungen der senkrechten Faserbündel verstopft. Wenn dieses Erfordernis erfüllt ist, dringt der Kleber k nur in die Fasern der obersten Faserschicht auf der Nadeleinstichseite ein. Das so in seinen Grundzügen bereits fertiggestellte Wundtextil wird nach Verlassen der Be^schichtungswalzen mittels scharfer Preßluftstrahlen behandelt, so daß zwischen vielen Fasern vorhandene Kleberhäutchen zerrissen werden und sich der Kleber vornehmlich an Berührungs- und Kreuzungspunkten der obersten Fasern 2 anlagert. Ehe der Kleber k vollständig trocken ist, wird das Wundtextil zwischen zwei rotierenden Walzen nochmals stark zusammengepreßt, damit die mit Kleber überzogenen obersten Fasern 2 sich an zusätzlichen Stellen berühren und auch dort miteinander verklebt werden.Polyisobutylene or polyamide, is applied. This adhesive is transferred to the fibers 2 of the uppermost fiber layer of the needle entry side 3 of the fiber fleece 1. However, it is necessary that the coating rollers compress the needled fiber fleece 1 only very slightly during the transfer of the adhesive, so that it does not clog the deeper funnel-shaped depressions of the vertical fiber bundles. When this requirement is met, the adhesive k penetrates only into the fibers of the uppermost fiber layer on the needle penetration side. The wound textile, which has already been basically finished in this way, is treated by means of sharp jets of compressed air after it leaves the coating rollers, so that adhesive membranes that are present between many fibers are torn and the adhesive is primarily deposited at points of contact and intersection of the uppermost fibers 2. Before the adhesive k is completely dry, the wound textile is again strongly pressed together between two rotating rollers so that the uppermost fibers 2 coated with adhesive touch each other at additional points and are also glued to one another there.
Durch das nachträgliche starke Zusammenpressen des Wundtextils bei noch nicht vollständig ausgehärtetem Kleber k entstehtThe subsequent strong compression of the wound textile when the adhesive k is not yet fully hardened
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eine Wundkontaktfläche, die sehr glatt ist, so daß sie eine hervorragende Trennwirkung aufweist; außerdem ist der Kleber nicht mehr in der Lage, zusätzliche Fasern, zum Beispiel in den trichterförmigen Vertiefungen, zu binden, so daß auch die vollständige Saugleistung des genadelten Faservlieses erhalten bleibt» Der Kleber 4 des erfindungsgemäßen Wundtextils kann außerdem noch mit einem wärmestrahlenabsorbierenden Farbstoff versehen sein, so daß die der Wunde zugekehrte Seite, also die Kontaktfläche des Wundtextils, die Wärmestrahlung absorbiert und an die umgebende Luft abgibt. Von außen auf das erfindungsgemäße Wundtextil einwirkende Wärmestrahlung wird durch die weißen Fasern zum größten Teil reflektiert* Dies trägt wesentlich zu einer Senkung der Wundtemperatur bei.a wound contact surface that is very smooth so that they has an excellent release effect; In addition, the adhesive is no longer able to add additional fibers Example in the funnel-shaped depressions, to bind, so that the complete suction power of the needled fiber fleece is retained Be provided with dye so that the side facing the wound, i.e. the contact surface of the Wound textile that absorbs heat radiation and transfers it to the surrounding area Gives off air. Thermal radiation acting from the outside on the wound textile according to the invention is caused by the white Fibers for the most part reflected * This contributes significantly contributes to a decrease in wound temperature.
Das Faservlies 1 kann vor der Behandlung in der Nadelmaschine auf ein zusätzliches weitmaschiges Trägergewebe, zum Beispiel Verbandmull, aufgebracht und dann erst genadelt werden. Das leichte Trägergewebe verhindert ein seitliches Ausweichen der Fasern beim Nadelvorgang und führt zu einem maßstabilen und relativ festen Produkt.Before the treatment in the needling machine, the fiber fleece 1 can be placed on an additional wide-meshed carrier fabric, for example Gauze, applied and only then needled. The light carrier fabric prevents sideways evasion the fibers during the needling process and leads to a dimensionally stable and relatively solid product.
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Claims (1)
das Faservlies (1) genadelt und im Anschluß daran durch zwei rotierende Beschichtungswalzen geführt wird, auf deren untere, zum Beispiel mittels eines Rakels, eine gleichmäßige, etwa 50 bis 100/um dicke Kleberschicht
aufgetragen wird, die von dieser Walze auf die Nadeleinstichseite (3) des Faservlieses (1) übertragen wird, und daß das beschichtete Faservlies (1) vor Trocknung des Klebers (4), zum Beispiel zwischen zwei rotierenden Walzen, zusammengepreßt wird.according to claims 1 to 5, characterized in that
the fiber fleece (1) is needled and then passed through two rotating coating rollers, on the lower of which, for example by means of a doctor blade, a uniform, approximately 50 to 100 μm thick layer of adhesive
is applied, which is transferred from this roller to the needle penetration side (3) of the fiber fleece (1), and that the coated fiber fleece (1) is pressed together before drying of the adhesive (4), for example between two rotating rollers.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEV0030205 | 1966-01-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1717171A1 true DE1717171A1 (en) | 1971-07-29 |
Family
ID=7585493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19661717171 Pending DE1717171A1 (en) | 1966-01-22 | 1966-01-22 | Textile wound dressing and process for their manufacture |
Country Status (5)
Country | Link |
---|---|
US (1) | US3482570A (en) |
AT (1) | AT268531B (en) |
DE (1) | DE1717171A1 (en) |
FR (1) | FR1509397A (en) |
GB (1) | GB1177619A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3695270A (en) * | 1970-01-22 | 1972-10-03 | Int Playtex Corp | Sanitary tampon |
US4081582A (en) * | 1976-10-20 | 1978-03-28 | Johnson & Johnson | Fibrous material and method of making the same |
SE426020B (en) * | 1978-10-09 | 1982-12-06 | Bengt Mattsson | ABSORPTIONSPLATTEFORRAD |
GB201111059D0 (en) * | 2011-06-29 | 2011-08-10 | Lantor Uk Ltd | Compression bandages |
GB2537841B (en) * | 2015-04-27 | 2020-12-09 | Medtrade Products Ltd | Wound dressing |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3301257A (en) * | 1963-07-15 | 1967-01-31 | Johnson & Johnson | Absorbent surgical dressing |
US3292619A (en) * | 1963-12-06 | 1966-12-20 | Kendall & Co | Absorbent dressing |
US3307545A (en) * | 1964-09-02 | 1967-03-07 | Johnson & Johnson | Non-adherent dressing |
US3400188A (en) * | 1966-08-31 | 1968-09-03 | Kendall & Co | Method for producing reticulated film |
-
1966
- 1966-01-22 DE DE19661717171 patent/DE1717171A1/en active Pending
-
1967
- 1967-01-18 US US610137A patent/US3482570A/en not_active Expired - Lifetime
- 1967-01-20 AT AT59267A patent/AT268531B/en active
- 1967-01-20 FR FR91999A patent/FR1509397A/en not_active Expired
- 1967-01-23 GB GB3384/67A patent/GB1177619A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1177619A (en) | 1970-01-14 |
AT268531B (en) | 1969-02-10 |
FR1509397A (en) | 1968-01-12 |
US3482570A (en) | 1969-12-09 |
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