KR20000064748A - 유체포획대역을갖는흡수요소 - Google Patents
유체포획대역을갖는흡수요소 Download PDFInfo
- Publication number
- KR20000064748A KR20000064748A KR1019980707501A KR19980707501A KR20000064748A KR 20000064748 A KR20000064748 A KR 20000064748A KR 1019980707501 A KR1019980707501 A KR 1019980707501A KR 19980707501 A KR19980707501 A KR 19980707501A KR 20000064748 A KR20000064748 A KR 20000064748A
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- KR
- South Korea
- Prior art keywords
- fluid
- absorbent
- capture
- absorbent core
- distribution element
- Prior art date
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- Ceased
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Classifications
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- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
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- A—HUMAN NECESSITIES
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- 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
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
Description
Claims (13)
- 분비된 체액을 흡수할 수 있는 흡수 코어로서, 흡수 코어가 (1) 유체 포획/분배 요소와 (2) 하나 이상의 유체 저장 요소를 포함하고,(1) 유체 포획/분배 요소가 흡수 코어의 유체 분비 영역에서 수성 유체를 수용할 수 있고, (a) 포획/분배 요소의 중량을 기준으로 흡수성 하이드로겔 형성 중합체를 50 중량% 미만, 바람직하게는 30 중량% 미만으로 함유하거나, 또는 (b) 포획/분배 요소의 중량을 기준으로 흡수성 하이드로겔 형성 중합체를 50 중량% 이상 함유하고, 흡수성 하이드로겔 형성 중합체가 50 x 10-7cm3sec/g, 바람직하게는 약 100 x 15-7cmsec/g 이상의 염수 유동 전도율(SFC) 값을 갖고;(2) 유체 저장 요소가 유체 포획/분배 요소 하부에 적어도 부분적으로 위치하고, 유체 포획/분배 요소와 유체 연통하며, 수성 체액과 접촉할 때 z 방향으로 팽윤하여 유체 포획 대역을 형성할 수 있음을 특징으로 하는 흡수 코어.
- 제 1 항에 있어서,코어가 유체 포획/분배 요소위에 상부 유체 포획 요소를 또한 포함함을 특징으로 하는 흡수 코어.
- 제 2 항에 있어서,상부 유체 포획 요소가 화학적으로 강화된 셀룰로즈 섬유를 포함하고, 유체 포획/분배 요소가 포획/분배 요소의 중량을 기준으로 50 중량% 미만의 흡수성 하이드로겔 형성 중합체를 함유함을 특징으로 하는 흡수 코어.
- 제 2 항 또는 제 3 항에 있어서,상부 유체 포획 요소가 필수적으로 흡수성 하이드로겔 형성 중합체를 함유하지 않음을 특징으로 하는 흡수 코어.
- 제 1 항 또는 제 4 항에 있어서,유체 저장 요소가 흡수 코어에서 종방향으로 뻗어있는 2개의 스트립을 포함함을 특징으로 하고, 요소들이 수성 체액과 접촉할 때 유체 포획 대역을 형성하도록 측방향으로 이격되어 있음을 또한 특징으로 하는 흡수 코어.
- 분비된 체액을 흡수할 수 있는 흡수 코어로서, 흡수 코어가(1) 흡수 코어의 유체 분비 영역에서 수성 유체를 수용할 수 있는 상부 유체 포획/분배 요소;(2) 상기 상부 유체 포획 요소 하부에 적어도 부분적으로 위치하고, 유체 포획/분배 요소와 유체 연통하며, 수성 체액의 흐름에 대해 z 방향으로 투과성이 있는 상부 유체 저장 요소;(3) 수성 체액을 포획 및 전달할 수 있고, 상부 유체 저장 요소 하부에 적어도 부분적으로 위치하고, 상부 유체 저장 요소와 유체 연통하는 하부 유체 포획/분배 요소; 및(4) 하부 유체 포획/분배 요소 하부에 적어도 부분적으로 위치하고, 하부 유체 포획/분배 요소와 유체 연통하며, 수성 체액과 접촉할 때 z 방향으로 팽윤하여 유체 포획 대역을 형성하도록 할 수 있는 하나 이상의 하부 유체 저장 요소를 포함하는 흡수 코어.
- 제 6 항에 있어서,코어가 바람직하게는 흡수 코어에서 종방향으로 뻗어있는 스트립 형태의 2개의 하부 유체 저장 요소를 포함하고, 이 요소들이 수성 체액과 접촉할 때 유체 포획 대역을 형성하도록 측방향으로 이격되어 있음을 특징으로 하는 흡수 코어.
- 제 7 항에 있어서,측방향으로 이격된 하부 유체 저장 요소들이 모두 a) 서로 결합된 흡수성 하이드로겔 형성 중합체 입자를 포함하는 유체 안정성 거대구조물; 및 b) 서로 결합된 흡수성 하이드로겔 형성 중합체 입자가 결합되는 기재를 포함함을 특징으로 하는 흡수 코어.
- 제 1 항 내지 제 8 항중 어느 한 항에 있어서,하부 유체 저장 요소(들)가 각 저장 요소의 중량을 기준으로 흡수성 하이드로겔 형성 중합체를 50 내지 100 중량%, 바람직하게는 70 내지 100 중량% 포함함을 특징으로 하는 흡수 코어.
- 제 1 항 내지 제 7 항중 어느 한 항에 있어서,흡수 코어의 하부 유체 저장 요소(들)가 습윤될 때 급속 팽윤될, 붕괴가능한 개방 셀형 포움을 포함함을 특징으로 하는 흡수 코어.
- 제 6 항 내지 제 10 항중 어느 한 항에 있어서,상부 유체 포획/분배 층이 바람직하게는 열가소성 물질로 열 결합된, 화학적으로 강화된 셀룰로즈 섬유를 포함함을 특징으로 하는 흡수 코어.
- 분비된 수성 체액을 흡수할 수 있는 흡수 코어로서, 흡수 코어가(1) 수성 유체를 수용할 수 있고, 흡수 코어의 유체 분비 영역에 위치하고, 열가소성 물질로 열 결합되는 화학적으로 강화된 셀룰로즈 섬유를 포함하는 상부 유체 포획/분배 요소;(2) 상기 상부 유체 포획/분배 요소 하부에 적어도 부분적으로 위치하고, 유체 포획/분배 요소와 유체 연통하며, 수성 체액의 흐름에 대해 z 방향으로 투과성이 있는 상부 유체 저장 요소;(3) 수성 체액을 포획 및 전달할 수 있고, 상부 유체 저장 요소 하부에 적어도 부분적으로 위치하고, 상부 유체 저장 요소와 유체 연통하는 하부 유체 포획/분배 요소로서 하부 유체 포획/분배 요소가 하이드로겔 형성 중합체 입자를 0 내지 30 중량% 포함함을 특징으로 하는 하부 유체 포획/분배 요소; 및(4) 하부 유체 포획/분배 요소 하부에 적어도 부분적으로 위치하고, 유체 포획/분배 요소와 유체 연통하며, 수성 체액과 접촉할 때 z 방향으로 팽윤할 수 있는 2개의 하부 유체 저장 요소로서, 하부 저장 요소가 수성 체액과 접촉할 때 유체 포획 대역을 형성하도록 흡수 코어에 종방향으로 뻗어있는 이격된 스트립 형태임을 특징으로 하고, 하부 유체 저장 요소 둘다가 서로 결합된, 흡수성 하이드로겔 형성 중합체 입자의 유체 안정성 거대구조물 및 붕괴가능한 개방 셀형 포움으로 구성된 군중에서 선택된 물질을 포함함을 또한 특징으로 하는 2개의 하부 유체 저장 요소를 포함하는 흡수 코어.
- 분비된 수성 체액을 흡수할 수 있는 흡수 제품으로서, 흡수 제품이(A) 상면시이트;(B) 배면시이트; 및(C) 상면시이트 및 배면시이트사이에 놓인 제 1 항 내지 제 12 항 중 어느 한 항의 흡수 코어를 포함하는 흡수 제품.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/621,284 US5855572A (en) | 1996-03-22 | 1996-03-22 | Absorbent components having a fluid acquisition zone |
US8/621,284 | 1996-03-22 | ||
PCT/US1997/004644 WO1997034558A1 (en) | 1996-03-22 | 1997-03-21 | Absorbent components having a fluid acquisition zone |
Publications (1)
Publication Number | Publication Date |
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KR20000064748A true KR20000064748A (ko) | 2000-11-06 |
Family
ID=24489538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019980707501A Ceased KR20000064748A (ko) | 1996-03-22 | 1997-03-21 | 유체포획대역을갖는흡수요소 |
Country Status (8)
Country | Link |
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US (1) | US5855572A (ko) |
EP (1) | EP0891176A1 (ko) |
JP (1) | JPH11506967A (ko) |
KR (1) | KR20000064748A (ko) |
AU (1) | AU2341897A (ko) |
CA (1) | CA2249296C (ko) |
MX (1) | MX221530B (ko) |
WO (1) | WO1997034558A1 (ko) |
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-
1996
- 1996-03-22 US US08/621,284 patent/US5855572A/en not_active Expired - Lifetime
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1997
- 1997-03-21 MX MX9807719A patent/MX221530B/es unknown
- 1997-03-21 KR KR1019980707501A patent/KR20000064748A/ko not_active Ceased
- 1997-03-21 EP EP97916169A patent/EP0891176A1/en not_active Ceased
- 1997-03-21 AU AU23418/97A patent/AU2341897A/en not_active Abandoned
- 1997-03-21 CA CA002249296A patent/CA2249296C/en not_active Expired - Fee Related
- 1997-03-21 WO PCT/US1997/004644 patent/WO1997034558A1/en not_active Application Discontinuation
- 1997-03-21 JP JP9533755A patent/JPH11506967A/ja active Pending
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US5855572A (en) | 1999-01-05 |
MX221530B (es) | 2004-07-15 |
WO1997034558A1 (en) | 1997-09-25 |
MX9807719A (ko) | 1999-02-28 |
AU2341897A (en) | 1997-10-10 |
CA2249296A1 (en) | 1997-09-25 |
JPH11506967A (ja) | 1999-06-22 |
EP0891176A1 (en) | 1999-01-20 |
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