EP0099893B1 - Nichtgewebter textilstoff für medizinische kompressen - Google Patents

Nichtgewebter textilstoff für medizinische kompressen Download PDF

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Publication number
EP0099893B1
EP0099893B1 EP83900040A EP83900040A EP0099893B1 EP 0099893 B1 EP0099893 B1 EP 0099893B1 EP 83900040 A EP83900040 A EP 83900040A EP 83900040 A EP83900040 A EP 83900040A EP 0099893 B1 EP0099893 B1 EP 0099893B1
Authority
EP
European Patent Office
Prior art keywords
woven according
woven
nonwoven
per unit
unit area
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.)
Expired
Application number
EP83900040A
Other languages
English (en)
French (fr)
Other versions
EP0099893A1 (de
Inventor
Marcel Holvoet
Bernard Picard
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.)
Kaysersberg SA
Original Assignee
Beghin Say SA
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 Beghin Say SA filed Critical Beghin Say SA
Priority to AT83900040T priority Critical patent/ATE18446T1/de
Publication of EP0099893A1 publication Critical patent/EP0099893A1/de
Application granted granted Critical
Publication of EP0099893B1 publication Critical patent/EP0099893B1/de
Expired legal-status Critical Current

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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
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/06—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by welding-together thermoplastic fibres, filaments, or yarns
    • 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
    • D04H1/58—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/60—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in dry state, e.g. thermo-activatable agents in solid or molten state, and heat being applied subsequently
    • 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
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/08—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of fibres or yarns
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • Y10T428/24074—Strand or strand-portions
    • Y10T428/24091—Strand or strand-portions with additional layer[s]
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24669—Aligned or parallel nonplanarities
    • Y10T428/24694—Parallel corrugations
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24669—Aligned or parallel nonplanarities
    • Y10T428/24694—Parallel corrugations
    • Y10T428/24702—Parallel corrugations with locally deformed crests or intersecting series of corrugations
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/269—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension including synthetic resin or polymer layer or component
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]

Definitions

  • the present invention relates to a nonwoven whose curly or wavy structure gives it excellent absorption properties, making it particularly suitable for use as a medical or surgical compress.
  • non-woven compresses are appreciably superior to those produced in gauze, with regard in particular to non-adhesion to wounds, they nevertheless remain far below what is desired as regards the absorption capacity.
  • US Pat. No. 4,001,472 discloses a nonwoven comprising at least one veil of cellulosic fibers reinforced by a nonwoven grid to which it is fixed by means of an adhesive.
  • the veil has a network of compressed zones intended to form connection points with the wires of the grid. The bonded surface being reduced at these points, the blockage of capillary channels through which the liquids diffuse throughout the mass is avoided. This improves the absorption capacity of nonwovens of this type.
  • an adhesive like any chemical binder, in such a product makes it unsuitable for medical use because of the risks of dissolution by disinfectants.
  • this product remains very flat, the apparent thickness coinciding with that of the material.
  • the present invention relates to a nonwoven compatible with medical or surgical use overcoming the defects of traditional nonwovens and gauze. Its particular structure allows to combine properties such as high absorption capacity, non-adhesion to wounds, elasticity and resilience.
  • this nonwoven for medical or surgical compress has a succession of ripples uniformly distributed and whose adjacent bellies are alternately arranged above and below the median plane of the nonwoven and consists of a synthetic grid on one side of which is fixed by thermobonding a web of cellulosic fibers.
  • the contiguous bellies of two neighboring undulations, situated on the same side of the median plane of the nonwoven, are made up of small adjacent pads.
  • Patent FR-A-2 418 819 clearly shows a fibrous product having undulations, but on the one hand, it contains a significant amount of binder making it unsuitable for medical use, on the other hand, the undulations have only 'either a decorative or structural function to improve rigidity.
  • Figure 1 is a top view of a nonwoven (1) which has a machine direction (2), corresponding to the longitudinal direction of production of said nonwoven, and a cross direction (3) perpendicular to the machine direction (2 ).
  • This nonwoven (1) has corrugations or crimps regularly spaced and arranged along lines (5) parallel to the machine direction (2).
  • Figure 2 which is a section of your Figure 1 along AA, plane parallel to the machine direction (2), shows that the nonwoven has undulations (4) whose bellies (6, 7) are alternately above and below its median plane (8).
  • Figure 3 which is a sectional view of Figure 1 along BB, plane perpendicular to the machine direction (2), shows that the contiguous bellies (9, 10) of neighboring corrugations consist of small adjacent pads (11, 12) located on the same side of the median plane (8) of the nonwoven. Behind the cutting plane we see the profile of the pads located below the median plane (8). The height and width of these pads are between 0.1 and 3 mm.
  • FIG. 4 shows a preferred form of the invention: the nonwoven consists of a synthetic grid (13) formed of filaments (15) of a first polymer coated in a sheath of a second polymer and connected by thin strips (16) of the second polymer, grid on one side of which is deposited a web of cellulosic fibers (14).
  • the veil (14) is thermally bonded to the grid (13): thus the nonwoven does not contain any chemical binder and can therefore be used as a medical or surgical compress.
  • the synthetic grid (13) is a bi-stretched grid comprising in the machine direction (2) parallel polyamide filaments (15) regularly spaced by a distance of between 0.1 and 3 mm. and connected together by narrow polypropylene strips (16) regularly spaced by a distance between 0.1 and 3 mm and perpendicular to the filaments (15).
  • the veil (14) of cellulosic fibers consists of a carding veil of cotton fibers.
  • the grid (13) has a grammage between 5 and 15 g / m 2 preferably 7 g / m 2 and the web of cellulosic fibers (14) a grammage between 10 and 20 g / m 2 , preferably 16 g / m 2 .
  • Its apparent density is less than 0.15 - preferably 0.1 - and its absorption capacity is greater than 13 cm 3 / g - preferably 16 cm 3 / g.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Materials For Medical Uses (AREA)
  • Nonwoven Fabrics (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Liquid Crystal Substances (AREA)
  • Pyrane Compounds (AREA)
  • Woven Fabrics (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Claims (12)

1. Nichtgewebe (1) für medizinische oder chirurgische Kompressen, mit einer Maschinenrichtung (2) und einer Querrichtung (3), dadurch gekennzeichnet, daß es eine Aufeinanderfolge gleichmäßig längs Linien (5) parallel zur Maschinenrichtung (2) verteilter Wellenformen (4) aufweist, deren benachbarte Bögen (6, 7) abwechselnd über und unter der Ebene (8) des genannten Nichtgewebes liegen, und daß es aus einem synthetischen Gitter (13) besteht, auf dessen einer Seite ein Flor (14) aus Zellulosefasern durch Warmbindung fixiert ist.
2. Nichtgewebe nach Anspruch 1, dadurch gekennzeichnet, daß die benachbarten Bögen (9, 10) von zwei benachbarten Wellenformen, die auf derselben Seite der Mittelebene (8) liegen, durch benachbarte kleine Kissen (11, 12) gebildet sind.
3. Nichtgewebe nach Anspruch 2, dadurch gekennzeichnet, daß die Höhe jedes Kissens über der Mittelebene (8) zwischen 0,1 und 3 mm beträgt.
4. Nichtgewebe nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, daß die Breite jedes Kissens zwischen 0,1 und 3 mm liegt.
5. Nichtgewebe nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das synthetische Gitter (13) ein zweifach gestrecktes Gitter ist, welches in Maschinenrichtung (2) parallele Polyamidfäden (15) enthält, die regelmäßig in einer Entfernung zwischen 0,1 und 3 mm voneinander beabstandet und durch regelmäßig um eine Entfernung zwischen 0,1 und 3 mm beabstandete schmale Bänder aus Polypropylen (16) lotrecht zu den Fäden (15) untereinander verbunden sind.
6. Nichtgewebe nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Flor (14) aus Zellulosefasern ein Flor aus gekämmten Baumwollfasern ist.
7. Nichtgewebe nach jedem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Gewicht des synthetischen Gitters (13) zwischen 5 und 15 g/m2 und das Gewicht des Flors aus Zellulosefasern zwischen 10 und 20 g/m2 liegt.
8. Nichtgewebe nach Anspruch 7, dadurch gekennzeichnet, daß das Gewicht des synthetischen Gitters (13) 7 g/m2 und das Gewicht des Flors aus gekämmten Baumwollfasern 16 g/m2 ist.
9. Nichtgewebe nach Anspruch 8, dadurch gekennzeichnet, daß seine augenscheinliche Dichte unter 0,15 und sein Wasserabsorptionskoeffizient über 13 cm3/g liegt.
10. Nichtgewebe nach Anspruch 9, dadurch gekennzeichnet, daß seine augenscheinliche Dichte 0,1 und sein Absorptionskoeffizient 16 cm3/g ist.
11. Nichtgewebe nach Anspruch 10, dadurch gekennzeichnet, daß seine Dicke etwa 0,24 mm beträgt.
12. Medizinische Kompresse, hergestellt aus einem Nichtgewebe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sie so gefaltet wird, daß der zur Berührung mit einer Wunde bestimmte Teil aus dem nackten synthetischen Gitter (13) gebildet ist.
EP83900040A 1982-01-29 1982-12-16 Nichtgewebter textilstoff für medizinische kompressen Expired EP0099893B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83900040T ATE18446T1 (de) 1982-01-29 1982-12-16 Nichtgewebter textilstoff fuer medizinische kompressen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8201392 1982-01-29
FR8201392A FR2520766A1 (fr) 1982-01-29 1982-01-29 Non-tisse pour compresses medicales

Publications (2)

Publication Number Publication Date
EP0099893A1 EP0099893A1 (de) 1984-02-08
EP0099893B1 true EP0099893B1 (de) 1986-03-05

Family

ID=9270448

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83900040A Expired EP0099893B1 (de) 1982-01-29 1982-12-16 Nichtgewebter textilstoff für medizinische kompressen

Country Status (24)

Country Link
US (1) US4546027A (de)
EP (1) EP0099893B1 (de)
JP (1) JPS59500101A (de)
AT (1) ATE18446T1 (de)
AU (1) AU562547B2 (de)
BR (1) BR8208056A (de)
CA (1) CA1224019A (de)
DE (1) DE3269765D1 (de)
DK (1) DK169733B1 (de)
DZ (1) DZ486A1 (de)
ES (1) ES269428Y (de)
FI (1) FI74492C (de)
FR (1) FR2520766A1 (de)
GR (1) GR77894B (de)
IE (1) IE53769B1 (de)
IL (1) IL67670A (de)
IN (1) IN156677B (de)
IT (2) IT1161461B (de)
MX (1) MX156789A (de)
NO (1) NO160150C (de)
OA (2) OA07293A (de)
PT (1) PT76150B (de)
SU (1) SU1271377A3 (de)
WO (1) WO1983002630A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4992324A (en) * 1988-09-12 1991-02-12 Johnson & Johnson, Inc. Absorbent flexible board
DE69317781T2 (de) * 1992-07-27 1998-07-30 Procter & Gamble Laminierte doppelt texturierte behandlungspads
USH1511H (en) * 1992-09-10 1995-12-05 Chappell; Charles W. Absorbent articles having improved longitudinal fluid movement
DE59402096D1 (de) * 1993-07-20 1997-04-17 Franz Haimer Aus pflanzlichem material durch pelletieren hergestellter presskörper und vorrichtung zu seiner herstellung
US6500539B1 (en) 1998-03-05 2002-12-31 The Regents Of The University Of California Anti-adhesion cellulose acetate wound dressing
US6545197B1 (en) * 1998-05-02 2003-04-08 The Procter & Gamble Company Disposable absorbent article having an improved topsheet
US6867346B1 (en) * 1999-09-21 2005-03-15 Weyerhaeuser Company Absorbent composite having fibrous bands
US6783837B1 (en) 1999-10-01 2004-08-31 Kimberly-Clark Worldwide, Inc. Fibrous creased fabrics
JP3748743B2 (ja) * 1999-10-04 2006-02-22 ユニ・チャーム株式会社 吸収性物品およびその製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001472A (en) * 1971-09-03 1977-01-04 Kimberly-Clark Corporation Nonwoven reinforced cellulosic material and method of preparation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US728828A (en) * 1902-07-05 1903-05-26 Sarah Hall Arkell Paper fabric.
US2758047A (en) * 1953-09-17 1956-08-07 Dowd Alfred Flexible corrugated wrapping sheet
US3130412A (en) * 1959-07-31 1964-04-21 Scott Paper Co Process of and apparatus for treating sheet materials and product
US3494362A (en) * 1967-05-01 1970-02-10 Johnson & Johnson Absorbent pad
US3837338A (en) * 1972-11-24 1974-09-24 Kendall & Co Conformable nonwoven bandage
US4211807A (en) * 1975-08-08 1980-07-08 Polymer Processing Research Institute Ltd. Reinforced non-woven fabrics and method of making same
AU522973B2 (en) * 1978-03-02 1982-07-08 Karl Kristian Kobs Kroyer Preparing dry-laid fibrous products
US4333979A (en) * 1980-08-18 1982-06-08 Kimberly-Clark Corporation Soft, bulky, lightweight nonwoven web and method of producing; the web has both fused spot bonds and patterned embossments

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001472A (en) * 1971-09-03 1977-01-04 Kimberly-Clark Corporation Nonwoven reinforced cellulosic material and method of preparation

Also Published As

Publication number Publication date
ES269428Y (es) 1984-01-16
GR77894B (de) 1984-09-25
FI833199A0 (fi) 1983-09-07
DK169733B1 (da) 1995-01-30
DK443583A (da) 1983-09-28
BR8208056A (pt) 1984-01-10
NO833517L (no) 1983-09-28
FR2520766A1 (fr) 1983-08-05
IL67670A0 (en) 1983-05-15
ATE18446T1 (de) 1986-03-15
IL67670A (en) 1988-01-31
IN156677B (de) 1985-10-12
PT76150A (fr) 1983-02-01
DZ486A1 (fr) 2004-09-13
FI74492B (fi) 1987-10-30
NO160150B (no) 1988-12-05
NO160150C (no) 1989-03-15
IE53769B1 (en) 1989-02-01
CA1224019A (fr) 1987-07-14
FI74492C (fi) 1988-02-08
JPS59500101A (ja) 1984-01-19
IE830086L (en) 1983-07-29
OA07293A (fr) 1984-08-31
IT8367063A0 (it) 1983-01-21
AU562547B2 (en) 1987-06-11
IT1161461B (it) 1987-03-18
IT8352864V0 (it) 1983-01-21
OA07549A (fr) 1985-03-31
ES269428U (es) 1983-06-16
AU1019883A (en) 1983-08-12
EP0099893A1 (de) 1984-02-08
PT76150B (fr) 1986-01-24
MX156789A (es) 1988-10-04
US4546027A (en) 1985-10-08
FI833199A (fi) 1983-09-07
WO1983002630A1 (en) 1983-08-04
SU1271377A3 (ru) 1986-11-15
FR2520766B1 (de) 1985-03-22
DK443583D0 (da) 1983-09-28
DE3269765D1 (en) 1986-04-10
JPH0160582B2 (de) 1989-12-25

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