FI109577B - Kompositmembraner och förfarande för framställning av detta - Google Patents

Kompositmembraner och förfarande för framställning av detta Download PDF

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Publication number
FI109577B
FI109577B FI942895A FI942895A FI109577B FI 109577 B FI109577 B FI 109577B FI 942895 A FI942895 A FI 942895A FI 942895 A FI942895 A FI 942895A FI 109577 B FI109577 B FI 109577B
Authority
FI
Finland
Prior art keywords
hyaluronic acid
ester
acid ester
hours
groups
Prior art date
Application number
FI942895A
Other languages
English (en)
Finnish (fi)
Other versions
FI942895A (sv
FI942895A0 (sv
Inventor
Aurelio Romeo
Lanfranco Callegaro
Franco Dorigatti
Original Assignee
Murst Italian
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 Murst Italian filed Critical Murst Italian
Publication of FI942895A0 publication Critical patent/FI942895A0/sv
Publication of FI942895A publication Critical patent/FI942895A/sv
Application granted granted Critical
Publication of FI109577B publication Critical patent/FI109577B/sv

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/14Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L31/148Materials at least partially resorbable by the body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/10Hair or skin implants
    • A61F2/105Skin implants, e.g. artificial skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/40Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
    • A61L27/44Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
    • A61L27/48Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix with macromolecular fillers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/04Macromolecular materials
    • A61L31/041Mixtures of macromolecular compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/04Macromolecular materials
    • A61L31/042Polysaccharides
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/12Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
    • A61L31/125Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
    • A61L31/129Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix containing macromolecular fillers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • Y10T428/24124Fibers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102Woven scrim
    • Y10T442/172Coated or impregnated

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Transplantation (AREA)
  • Materials Engineering (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Composite Materials (AREA)
  • Dermatology (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Medicinal Chemistry (AREA)
  • Materials For Medical Uses (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)

Claims (6)

1. Ett kompositmembran, som omfattar ett förstärkningsnät infällt i en polymermatris, kännetecknat av att 5 förstärkningsnätet omfattar ätminstone ett fibermaterial, som är valt ur en grupp bestäende av hyaluronsyraesterfibrer samt en kombination av hyaluronester- och alginsyraesterfibrer och nämnda material omfattar ätminstone ett material som är valt ur en grupp, som omfattar hyaluronsyraester, alginsyra och 10 gelbildad polysackarid.
2. Ett kompositmembran enligt krav 1, kännetecknat av att kompositmembranet omfattar en blandning av hyaluron-syraestrar, alginsyraestrar och ätminstone en gelbildad 15 polysackarid, som är vald ur en grupp, som omfattar kitin, alginat, kitosan, gellan, och ett syntetiskt derivat därav eller ett halvsyntetiskt derivat därav. v.
3 Ett kompositmembran enligt krav 1, kännetecknat 20 av att dess basvikt är ca 8 - 50 g/cm2, tjocklek ca 0,08 - ; , 0,5 mm, minimidragbrottstyrka som torr ca 100 - 500 kg/cm2, töjning som torr ca 3 - 12 %, minimidragbrottstyrka som vät ’ ca 30 - 450 kg/cm2, töjning som vät 20 - 60 %, rivhällfasthet som torr ca 40 - 200 kg/cm2 och rivhällfasthet som vät ca 20 : 25 - 160 kg/cm2.
4. Ett kompositmembran enligt krav 1, kännetecknat >”; av att förstärkningsnätet omfattar ett multifilament-nät, som ,‘ , omfattar flerdubbla trädar, som har ca 30 - 120 tätar, vars 30 diameter är ca 18 - 35 mikroner, varvid trädens deniertal är ca 150 - 400, och multifilamenten är vridna ca 90 - 200 :Y: gänger per meter och nätet är bearbetat tili ett vävt tyg, vars densitet är ca 10 - 16. 35
5. Förfarande för framställning av kompositmembran enligt patentkrav 1 eller 2, kännetecknat av att ett förstärkningsnät formas, vilket omfattar en hyaluronsyraester eller en alginsyraester, som har en farmakologiskt aktiv 109577 49 eller inaktiv alkohol, och pä nämnda förstärkningsnät utbreds en matris, som innehäller en hyaluronsyraester eller en alginsyraester, som har en farmakologiskt aktiv eller inaktiv alkohol, och valbart ätminstone en gelbildad polysackarid. 5
6. Förfarande för framställning av en kompositmembran, kännetecknat av att ett förstärkningsnät formas, som omfattar ätminstone ett material som är vald ur en grupp, som bestär av hyaluronsyraestrar och alginsyraestrar, och pä 10 nämnda förstärkningsnät utbreds en matris som omfattar ätminstone ett material, som är valt ur en grupp som omfattar hyaluronsyraester, alginsyraester och gelbildad polysackarid.
FI942895A 1991-12-18 1994-06-16 Kompositmembraner och förfarande för framställning av detta FI109577B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITPD910228A IT1254170B (it) 1991-12-18 1991-12-18 Membrane composite per la rigenerazione guidata di tessuti
ITPD910228 1991-12-18
EP9202959 1992-12-18
PCT/EP1992/002959 WO1993011805A1 (en) 1991-12-18 1992-12-18 Composite membranes for the guided regeneration of tissues

Publications (3)

Publication Number Publication Date
FI942895A0 FI942895A0 (sv) 1994-06-16
FI942895A FI942895A (sv) 1994-08-18
FI109577B true FI109577B (sv) 2002-09-13

Family

ID=11389748

Family Applications (1)

Application Number Title Priority Date Filing Date
FI942895A FI109577B (sv) 1991-12-18 1994-06-16 Kompositmembraner och förfarande för framställning av detta

Country Status (20)

Country Link
US (1) US5622707A (sv)
EP (1) EP0625056B1 (sv)
JP (1) JP3277212B2 (sv)
KR (1) KR100252192B1 (sv)
AT (1) ATE185699T1 (sv)
AU (1) AU669148B2 (sv)
BG (1) BG61596B1 (sv)
CA (1) CA2126087C (sv)
DE (1) DE69230182T2 (sv)
DK (1) DK0625056T3 (sv)
ES (1) ES2141145T3 (sv)
FI (1) FI109577B (sv)
GR (1) GR3032451T3 (sv)
HU (1) HU217989B (sv)
IT (1) IT1254170B (sv)
NO (1) NO308724B1 (sv)
NZ (1) NZ246576A (sv)
RO (1) RO111200B1 (sv)
RU (1) RU2128057C1 (sv)
WO (1) WO1993011805A1 (sv)

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EP0625056A1 (en) 1994-11-23
WO1993011805A1 (en) 1993-06-24
ATE185699T1 (de) 1999-11-15
KR100252192B1 (ko) 2000-06-01
ITPD910228A0 (it) 1991-12-18
ES2141145T3 (es) 2000-03-16
CA2126087A1 (en) 1993-06-24
ITPD910228A1 (it) 1993-06-18
JPH07502431A (ja) 1995-03-16
BG61596B1 (bg) 1998-01-30
DK0625056T3 (da) 2000-03-27
US5622707A (en) 1997-04-22
NO308724B1 (no) 2000-10-23
RU2128057C1 (ru) 1999-03-27
JP3277212B2 (ja) 2002-04-22
DE69230182T2 (de) 2000-08-31
AU669148B2 (en) 1996-05-30
AU3346793A (en) 1993-07-19
EP0625056B1 (en) 1999-10-20
RO111200B1 (ro) 1996-07-30
NZ246576A (en) 1997-07-27
NO942329L (sv) 1994-08-17
BG98862A (bg) 1995-05-31
HU217989B (hu) 2000-05-28
DE69230182D1 (de) 1999-11-25
CA2126087C (en) 2001-02-13
FI942895A (sv) 1994-08-18
FI942895A0 (sv) 1994-06-16
GR3032451T3 (en) 2000-05-31
NO942329D0 (no) 1994-06-17
HUT68706A (en) 1995-07-28
IT1254170B (it) 1995-09-11
HU9401838D0 (en) 1994-09-28

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