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FI97274B - Absorberande strukturenhet - Google Patents

Absorberande strukturenhet Download PDF

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Publication number
FI97274B
FI97274B FI894279A FI894279A FI97274B FI 97274 B FI97274 B FI 97274B FI 894279 A FI894279 A FI 894279A FI 894279 A FI894279 A FI 894279A FI 97274 B FI97274 B FI 97274B
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FI
Finland
Prior art keywords
layer
liquid
absorbent
transfer
structural unit
Prior art date
Application number
FI894279A
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English (en)
Finnish (fi)
Other versions
FI894279L (sv
FI894279A0 (sv
FI97274C (sv
Inventor
Serge Cadieux
Yvon Levesque
Original Assignee
Johnson & Johnson Inc
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Application filed by Johnson & Johnson Inc filed Critical Johnson & Johnson Inc
Publication of FI894279A0 publication Critical patent/FI894279A0/sv
Publication of FI894279L publication Critical patent/FI894279L/sv
Publication of FI97274B publication Critical patent/FI97274B/sv
Application granted granted Critical
Publication of FI97274C publication Critical patent/FI97274C/sv

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    • 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
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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Nursing (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Textile Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Laminated Bodies (AREA)

Claims (18)

1. Absorberande strukturenhet med täck-, överfö-rings- och uppbevaringsskikt (10, 20, 30), varvid 5 a) ätminstone tvä av nämnda sklkt är väsentligen sammanbundna för att befrämja vätskeöverföring frän ett skikt tili ett annat, b) överförlngsskiktets (20) täthet är mlndre än uppbevaringsskiktets (30) täthet; 10 c) varje sklkt har en pä förhand vald vätskeuppbe- varings- och -överföringskapacitet, och d) överföringssklktet (20) tenderer att befrämja överfÖringen tili uppbevaringsskiktet (30) företrädesvis sä att västkan fördelas över deras längd och bredd, sam- 15 tidlgt som uppbevaringsskiktet (30) tenderar att befrämja vätskans fördelning och kvarhällning över hela sin längd och bredd, kännetecknad av att e) täckskiktets (10) täthet är mindre än överfö-ringsskiktets (20) täthet och täckskiktet tenderar att 20 befrämja övergängen tili överföringssklktet, föredträdes-vis sä att vätskan fördelas över deras längd och bredd.
2. Absorberande strukturenhet enligt patentkrav 1, kännetecknad av att den dessutom har ett väts-ketätt bakskikt (70), som sträcker sig över väts- 25 keöverförings- och uppbevaringsskiktets (20, 30) kant och är tätt fäst att ansluta sig tili ätminstone täckskiktet (10).
3. Absorberande strukturenhet enligt patentkrav 1, kännetecknad av att vätskeuppbevaringsskiktet 30 (30) utgörs av en böjlig cellulosabana, inuti vilken en speciellt absorberande del utlagts.
4. Absorberande strukturenhet enligt patentkrav 1, kännetecknad av att täckskiktet (10) uppvisar ett tjockt, högt fiberbanamaterial, vars ytvikt är 3,39 - 35 33,9 g/m2. * 46 97274
5. Absorberande strukturenhet enligt patentkrav 1, kännetecknad av att täckskiktets (10) tjocklek är ca 0,13 - 2,54 mm vld 0,21 kPa och täthet ca 0,025 -0,12 g/cm3 vid 0,21 kPa.
6. Absorberande strukturenhet enligt patentkrav 5, kännetecknad av att täckskiktets (10) porstor-leksfördelning i vätt tillst&nd är sädant att ca 15 -100 % av porantalet har en radie större än 300 pm och ca 0 - 85 % av porerna har en radie mindre än 300 pm.
7. Absorberande strukturenhet enligt patentkrav 1, kännetecknad av att nämnda täckskikt (10) upp-visar en perforerad polymerfilm.
8. Absorberande strukturenhet enligt patentkrav 1, kännetecknad av att vätskeöverföringsskiktets 15 (20) tjocklek är ca 1,0 - 3,8 mm vid 0,21 kPa och täthet ca 0,02 - 0,10 g/cm3 vid 0,21 kPa.
9. Absorberande strukturenhet enligt patentkrav 1, kännetecknad av att vätskeöverföringsskiktets (20) porstorleksfördelning i vätt tillständ är sädan att 20 ca 10 - 50 % av porerna har en radie större än 300 pm och ca 50 - 90 % av porerna är mindre än 300 pm.
10. Absorberande strukturenhet enligt patentkrav 1, kännetecknad av att vätskeöverföringsskiktets (20) vattengenomsläpplighet är minst 3,0 m3/m2/min vid 25 1,17 kPa.
11. Absorberande strukturenhet enligt patentkrav 1, kännetecknad av att västkeuppbevaringsskiktet (30) uppvisar en tätad, komprimerad torv-moss-skiva.
12. Absorberande strukturenhet enligt patentkrav 30 11, kännetecknad av att torv-moss-skivan är mekaniskt mjukgjord för att ästadkomma större böjlighet.
13. Absorberande strukturenhet enligt patentkrav 1, kännetecknad av att vätskeuppbevaringsskiktets (30) tjocklek är ca 0,38 - 2,54 mm vid 0,21 kPa och täthet 35 minst 0,15 g/cm3 vid 0,21 kPa. il IN t Mi! Ilia·:, 97274 47
14. Absorberande strukturenhet enligt patentkrav 13, kännetecknad av att vätskeuppbevarings-skiktets (30) porstorleksfördelning i vätt tillständ är sädan att 90 - 100 % av porerna har en radie mindre än 5 300 pm och 0 - 10 % av porerna har en radie av över 300 pm.
15. Användning av en absorberande strukturenhet enligt nägot av patentkraven 1-14 vid inkontinens.
16. Användning av en absorberande strukturenhet 10 enligt nägot av patentkraven 1 - 14 i en tampong.
17. Användning av en absorberande strukturenhet enligt nägot av patentkraven 1 - 14 i ett särförband.
18. Struktur enligt patentkrav 1, känne tecknad av att 15 det för vätska genomsläppliga täckskiktet (10) har yttre och inre ytor, vätskeöverföringsskiktet (20) omfattar en bana om-fattande väsentligen hydrofila fibrer och med en yttre yta som är fastlimmad i täckskiktets (10) inre yta, och 20 yttre ytan av det synnerligen absorberande, synner- ligen kvarhällande vätskeuppbevaringsskiktet är av ett väsentligen hydrofilt material med en vätskehällningsför-mäga av ätminstone 7,5 g saltlösning per gram absorberande material, varvid vätskeuppbevaringsskiktets yttre yta är 25 fastlimmad i vätskeöverföringsskiktets (20) inre yta, och ett för vätska ogenomsläppligt bakskikt (70) har täck- och bakskikt som sträcker sig tili andra sidan vätskeöverföringsskiktets och vätskeuppbevaringsskiktets kant omkring sugkonstruktionens kant. 30
FI894279A 1988-09-12 1989-09-11 Absorberande strukturenhet FI97274C (sv)

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CA1335470C (en) 1995-05-09
EP0359501A3 (en) 1991-05-29
CN1023189C (zh) 1993-12-22
IE892900L (en) 1990-03-12
CN1042069A (zh) 1990-05-16
PT91691B (pt) 1995-08-09
FI894279L (sv) 1990-03-13
KR910005833A (ko) 1991-04-27
BR8904593A (pt) 1990-04-24
AR241627A1 (es) 1992-10-30
AU647987B2 (en) 1994-03-31
FI894279A0 (sv) 1989-09-11
DE68919779T2 (de) 1995-05-04
AU4114189A (en) 1990-03-15
EP0359501A2 (en) 1990-03-21
ATE114959T1 (de) 1994-12-15
ES2064451T3 (es) 1995-02-01
DK446989D0 (da) 1989-09-11
EG19845A (en) 1996-03-31
HK32995A (en) 1995-03-17
IE66585B1 (en) 1996-01-24
PH31108A (en) 1998-02-23
GR890100579A (en) 1990-10-31
FI97274C (sv) 1996-11-25
KR100199529B1 (ko) 1999-06-15
PT91691A (pt) 1990-03-30
MX172434B (es) 1993-12-16
DE68919779D1 (de) 1995-01-19
SG32395G (en) 1995-08-18
EP0359501B1 (en) 1994-12-07
JPH02168949A (ja) 1990-06-29
ZW11089A1 (en) 1991-06-12
DK446989A (da) 1990-03-13
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