JP2010046516A - コラーゲンを基にした止血スポンジ - Google Patents
コラーゲンを基にした止血スポンジ Download PDFInfo
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- JP2010046516A JP2010046516A JP2009248693A JP2009248693A JP2010046516A JP 2010046516 A JP2010046516 A JP 2010046516A JP 2009248693 A JP2009248693 A JP 2009248693A JP 2009248693 A JP2009248693 A JP 2009248693A JP 2010046516 A JP2010046516 A JP 2010046516A
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- Prior art keywords
- sponge
- collagen
- thrombin
- mixture
- fibrinogen
- 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.)
- Granted
Links
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Classifications
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- A61L—METHODS 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
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- A61L15/42—Use of materials characterised by their function or physical properties
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/225—Mixtures of macromolecular compounds
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- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/32—Proteins, polypeptides; Degradation products or derivatives thereof, e.g. albumin, collagen, fibrin, gelatin
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- A—HUMAN NECESSITIES
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- A61L—METHODS 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
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A61L2400/00—Materials characterised by their function or physical properties
- A61L2400/04—Materials for stopping bleeding
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- 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
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- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- 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
- Y10S128/00—Surgery
- Y10S128/22—Blood coagulation
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Hematology (AREA)
- Dispersion Chemistry (AREA)
- Surgery (AREA)
- Materials For Medical Uses (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Abstract
【解決手段】コラーゲンおよびその中に均質に分散した血液凝固のアクティベータまたはプロアクティベータを基とした止血スポンジ(このスポンジは、乾燥され、少なくとも2%、好ましくは2から25%、さらに好ましくは10から20%の水分を含む)およびこのスポンジを製造する方法。
【選択図】なし
Description
乾燥コラーゲン1g等量(液状、ペースト状、繊維状または粉状のコラーゲン物質から)を0.01Mのクエン酸100mlに溶解した。均一の液状ゲルができるまで混合物を振った。4℃で攪拌を続けながら、NaOH溶液を加えてpHを7.2に調節した。このゲルは1%コラーゲンを含んでいた。同様に0.25%コラーゲンゲルを製造した。
実施例1で得た1%コラーゲンゲル60ml を1000 IU/ml トロンビン溶液 ( HUMAN THROMBIN IMMUNO AG ) 5ml と4℃で混合した。均質の混合物を4℃に予め冷やした10X10cmのトレイ上に注いだ。トレイを4℃に予め冷やした凍結乾燥機の凍結室に移した。次いで凍結機を動かして-20℃まで下げ、15%の水分含量になるまで産物を凍結乾燥した。
実施例1で得た1%コラーゲンゲル60ml を4℃に予め冷やした10X10cmのトレイ上に注いだ。トレイを4℃に予め冷やした凍結乾燥機の凍結室に移した。次いで凍結機を動かして-5℃まで下げ、産物を-5℃で凍結した。
ヘパリン処理ブタにおける肝切除モデルを用いて、実施例2で得た産物I、トロンビンを含有しないコラーゲン製品およびTachoComb(商標名、Nycomed)を比較した。
Claims (21)
- コラーゲンおよびその中に均質に分散した血液凝固のアクティベータまたはプロアクティベータを基とした止血スポンジ(このスポンジは、乾燥され、少なくとも2%、好ましくは2から25%、さらに好ましくは10から20%の水分を含む)。
- スポンジが凍結乾燥または空気乾燥されている、請求項1のスポンジ。
- pHが6から8の範囲にあることを特徴とする、請求項1または2のスポンジ。
- 血液凝固のアクティベータまたはプロアクティベータがトロンビン、プロトロンビン、活性化因子X、活性化プロトロンビン複合体、FEIBA,カルシウムイオンおよびこれらの混合物よりなる群から選ばれる、請求項1−3のスポンジ。
- 厚さが少なくとも3mm、好ましくは少なくとも5mmから10mmまでであることを特徴とする、請求項1−4のスポンジ。
- アクティベータまたはプロアクティベータの含量が1,000 - 10,000、好ましくはg当たり5,000 - 8,000 U/トロンビン均等であることを特徴とする、請求項1−5のスポンジ。
- ポリオール、ポリサッカライド、ポリアルキレングリコール、アミノ酸またはその混合物よりなる群から好ましくは選ばれるトロンビン安定剤をさらに含有する、請求項1−6のスポンジ。
- 水分含量を安定化する物質、好ましくはポリサッカライドまたはポリオールなどをさらに含有する、請求項1−7のスポンジ。
- 薬理的活性物質、保存剤など、抗フィブリノーゲン分解物質、抗生物質、抗菌剤または抗真菌剤など、成長因子、酵素または酵素阻害剤をさらに含有する、請求項1−8のスポンジ。
- 請求項1−9のスポンジ、および好ましくは止血性であり、該スポンジに粘着の追加層を含む創傷被覆。
- 追加層が基本的にコラーゲンからなる、請求項10の創傷被覆。
- 追加層がフィブリノーゲンを好ましくはコラーゲンとの混合物として含有する、請求項10の創傷被覆。
- 創傷被覆をつくるためのキットで、
a)請求項1−9のスポンジ、および
b)フィブリノーゲン、好ましくは貯蔵安定形態で、および選択的に
c)薬理的活性物質
を含むキット。 - コラーゲン性原料物質を酸性化してコラーゲンゲルを得、ゲルを血液凝固のアクティベータまたはプロアクティベータと混合して、均質の混合物を得、該混合物を少なくとも2%、好ましくは2から25%、さらに好ましくは10から20%の水分含量まで、好ましくは凍結乾燥または空気乾燥で乾燥することによる請求項1―9のスポンジを製造する方法。
- NaOHまたはCa(OH)2 などのアルキル溶液を加えることによりゲルまたは混合物を中性にする、請求項14の方法。
- 混合物を凍結乾燥して、乾燥スポンジ(なお湿気を有する)を得る、請求項14または15の方法。
- 水分含量を保持する物質の存在下に混合物を凍結乾燥する、請求項14−16の方法。
- 混合物を一定の形で凍結乾燥する、請求項14‐17の方法。
- トロンビン安定剤または生理的活性物質などの追加物質を混合物に加える、請求項14−18の方法。
- コラーゲン末などのコラーゲン性原料物質、固形のゲルおよび/またはスポンジを照射により滅菌する、請求項14−19の方法。
- 追加層が連続的または同時の乾燥、凍結乾燥、架橋および膠付けによりスポンジに結合される、請求項14−20の方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT61196 | 1996-04-04 | ||
| ATA611/96 | 1996-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09535819A Division JP2000510357A (ja) | 1996-04-04 | 1997-04-02 | コラーゲンを基にした止血スポンジ |
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| JP2010046516A true JP2010046516A (ja) | 2010-03-04 |
| JP2010046516A5 JP2010046516A5 (ja) | 2011-01-27 |
| JP5373553B2 JP5373553B2 (ja) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP09535819A Withdrawn JP2000510357A (ja) | 1996-04-04 | 1997-04-02 | コラーゲンを基にした止血スポンジ |
| JP2009248693A Expired - Lifetime JP5373553B2 (ja) | 1996-04-04 | 2009-10-29 | コラーゲンを基にした止血スポンジ |
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| JP09535819A Withdrawn JP2000510357A (ja) | 1996-04-04 | 1997-04-02 | コラーゲンを基にした止血スポンジ |
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| US (1) | US6649162B1 (ja) |
| EP (1) | EP0891193B1 (ja) |
| JP (2) | JP2000510357A (ja) |
| AT (1) | ATE247494T1 (ja) |
| AU (1) | AU726163B2 (ja) |
| CA (1) | CA2251475C (ja) |
| CZ (1) | CZ318998A3 (ja) |
| DE (1) | DE69724243T2 (ja) |
| HU (1) | HUP9903586A3 (ja) |
| NO (1) | NO314070B1 (ja) |
| RU (1) | RU2193897C2 (ja) |
| SK (1) | SK284693B6 (ja) |
| WO (1) | WO1997037694A1 (ja) |
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- 1997-04-02 SK SK1373-98A patent/SK284693B6/sk not_active IP Right Cessation
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- 1997-04-02 EP EP97918102A patent/EP0891193B1/en not_active Expired - Lifetime
- 1997-04-02 US US09/155,569 patent/US6649162B1/en not_active Expired - Lifetime
- 1997-04-02 AU AU26359/97A patent/AU726163B2/en not_active Expired
- 1997-04-02 DE DE69724243T patent/DE69724243T2/de not_active Expired - Lifetime
- 1997-04-02 HU HU9903586A patent/HUP9903586A3/hu unknown
- 1997-04-02 CA CA002251475A patent/CA2251475C/en not_active Expired - Lifetime
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Also Published As
| Publication number | Publication date |
|---|---|
| HUP9903586A3 (en) | 2003-02-28 |
| NO314070B1 (no) | 2003-01-27 |
| ATE247494T1 (de) | 2003-09-15 |
| EP0891193B1 (en) | 2003-08-20 |
| DE69724243T2 (de) | 2004-06-17 |
| DE69724243D1 (de) | 2003-09-25 |
| RU2193897C2 (ru) | 2002-12-10 |
| SK137398A3 (en) | 1999-03-12 |
| NO984619L (no) | 1998-12-03 |
| CA2251475C (en) | 2006-09-05 |
| JP5373553B2 (ja) | 2013-12-18 |
| EP0891193A1 (en) | 1999-01-20 |
| WO1997037694A1 (en) | 1997-10-16 |
| AU2635997A (en) | 1997-10-29 |
| NO984619D0 (no) | 1998-10-02 |
| SK284693B6 (sk) | 2005-09-08 |
| CA2251475A1 (en) | 1997-10-16 |
| US6649162B1 (en) | 2003-11-18 |
| CZ318998A3 (cs) | 1999-09-15 |
| HUP9903586A2 (hu) | 2000-03-28 |
| JP2000510357A (ja) | 2000-08-15 |
| AU726163B2 (en) | 2000-11-02 |
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