CN116570770B - 一种双层冻干管状物及其制备方法与应用 - Google Patents
一种双层冻干管状物及其制备方法与应用 Download PDFInfo
- Publication number
- CN116570770B CN116570770B CN202310847244.2A CN202310847244A CN116570770B CN 116570770 B CN116570770 B CN 116570770B CN 202310847244 A CN202310847244 A CN 202310847244A CN 116570770 B CN116570770 B CN 116570770B
- Authority
- CN
- China
- Prior art keywords
- slurry
- outer layer
- collagen
- freeze
- layer
- 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.)
- Active
Links
- 238000004108 freeze drying Methods 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 102000008186 Collagen Human genes 0.000 claims abstract description 58
- 108010035532 Collagen Proteins 0.000 claims abstract description 58
- 229920001436 collagen Polymers 0.000 claims abstract description 58
- 239000002002 slurry Substances 0.000 claims abstract description 54
- 239000002994 raw material Substances 0.000 claims abstract description 24
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 51
- 238000007493 shaping process Methods 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 23
- 229920001661 Chitosan Polymers 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 12
- 238000007710 freezing Methods 0.000 claims description 10
- 230000008014 freezing Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 7
- 239000000515 collagen sponge Substances 0.000 claims description 7
- 239000011265 semifinished product Substances 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 2
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 77
- 210000005036 nerve Anatomy 0.000 description 19
- 239000000047 product Substances 0.000 description 9
- 239000012620 biological material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 102000012422 Collagen Type I Human genes 0.000 description 3
- 108010022452 Collagen Type I Proteins 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000283690 Bos taurus Species 0.000 description 2
- 208000028389 Nerve injury Diseases 0.000 description 2
- 210000001361 achilles tendon Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000008764 nerve damage Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 208000010886 Peripheral nerve injury Diseases 0.000 description 1
- 238000009098 adjuvant therapy Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010041 electrostatic spinning Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/22—Polypeptides or derivatives thereof, e.g. degradation products
- A61L27/24—Collagen
-
- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/20—Polysaccharides
-
- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/26—Mixtures of macromolecular compounds
-
- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
-
- 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
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/32—Materials or treatment for tissue regeneration for nerve reconstruction
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Chemical & Material Sciences (AREA)
- Dermatology (AREA)
- Medicinal Chemistry (AREA)
- Transplantation (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310847244.2A CN116570770B (zh) | 2023-07-12 | 2023-07-12 | 一种双层冻干管状物及其制备方法与应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310847244.2A CN116570770B (zh) | 2023-07-12 | 2023-07-12 | 一种双层冻干管状物及其制备方法与应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN116570770A CN116570770A (zh) | 2023-08-11 |
CN116570770B true CN116570770B (zh) | 2023-11-07 |
Family
ID=87534426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202310847244.2A Active CN116570770B (zh) | 2023-07-12 | 2023-07-12 | 一种双层冻干管状物及其制备方法与应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN116570770B (zh) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983003536A1 (en) * | 1982-04-19 | 1983-10-27 | Massachusetts Inst Technology | A multilayer bioreplaceable blood vessel prosthesis |
US4787900A (en) * | 1982-04-19 | 1988-11-29 | Massachusetts Institute Of Technology | Process for forming multilayer bioreplaceable blood vessel prosthesis |
WO1999064655A1 (fr) * | 1998-06-11 | 1999-12-16 | Tapic International Co., Ltd. | Materiau collagenique et procede de production |
CN1586637A (zh) * | 2004-09-13 | 2005-03-02 | 中国医学科学院生物医学工程研究所 | 双层复合胶原基引导组织再生膜及其制备方法 |
CN1843307A (zh) * | 2005-04-07 | 2006-10-11 | 首都医科大学北京神经科学研究所 | 一种双层人工神经导管及其制备方法 |
KR101536134B1 (ko) * | 2014-09-26 | 2015-07-14 | 세원셀론텍(주) | 연부조직 수복용 매트릭스의 제조방법 |
CN105983136A (zh) * | 2015-01-28 | 2016-10-05 | 五石医疗科技(苏州)有限公司 | 一种神经修复导管及其制备方法 |
CN110420355A (zh) * | 2019-07-03 | 2019-11-08 | 天新福(北京)医疗器材股份有限公司 | 一种复合神经修复导管及其制备方法 |
CN215039397U (zh) * | 2021-06-29 | 2021-12-07 | 天新福(北京)医疗器材股份有限公司 | 一种制备双层冻干管状物的模具 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1425390B1 (en) * | 2001-08-13 | 2012-02-01 | University of Florida Research Foundation, Inc. | Materials and methods to promote repair of nerve tissue |
CA2750605C (en) * | 2009-01-23 | 2019-01-22 | Royal College Of Surgeons In Ireland | Layered scaffold suitable for osteochondral repair |
-
2023
- 2023-07-12 CN CN202310847244.2A patent/CN116570770B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983003536A1 (en) * | 1982-04-19 | 1983-10-27 | Massachusetts Inst Technology | A multilayer bioreplaceable blood vessel prosthesis |
US4787900A (en) * | 1982-04-19 | 1988-11-29 | Massachusetts Institute Of Technology | Process for forming multilayer bioreplaceable blood vessel prosthesis |
WO1999064655A1 (fr) * | 1998-06-11 | 1999-12-16 | Tapic International Co., Ltd. | Materiau collagenique et procede de production |
CN1586637A (zh) * | 2004-09-13 | 2005-03-02 | 中国医学科学院生物医学工程研究所 | 双层复合胶原基引导组织再生膜及其制备方法 |
CN1843307A (zh) * | 2005-04-07 | 2006-10-11 | 首都医科大学北京神经科学研究所 | 一种双层人工神经导管及其制备方法 |
KR101536134B1 (ko) * | 2014-09-26 | 2015-07-14 | 세원셀론텍(주) | 연부조직 수복용 매트릭스의 제조방법 |
CN105983136A (zh) * | 2015-01-28 | 2016-10-05 | 五石医疗科技(苏州)有限公司 | 一种神经修复导管及其制备方法 |
CN110420355A (zh) * | 2019-07-03 | 2019-11-08 | 天新福(北京)医疗器材股份有限公司 | 一种复合神经修复导管及其制备方法 |
CN215039397U (zh) * | 2021-06-29 | 2021-12-07 | 天新福(北京)医疗器材股份有限公司 | 一种制备双层冻干管状物的模具 |
Also Published As
Publication number | Publication date |
---|---|
CN116570770A (zh) | 2023-08-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1105795C (zh) | 胶原材料及其制造方法 | |
CN109251323A (zh) | 一种丝素蛋白-明胶双交联水凝胶及其制备方法 | |
EP1723974A1 (en) | Collagen gel and process for producing the same | |
CN107446144A (zh) | 聚丙烯酰胺/纳米纤维素高强度双网络复合凝胶制备方法 | |
WO2012145594A2 (en) | Molded regenerated silk geometries using temperature control and mechanical processing | |
US3071477A (en) | Process of forming collagen articles | |
CN107320762B (zh) | 胶原/细菌纤维素复合膜敷料及其制备方法 | |
CN109513041A (zh) | 一种镁丝蚕丝复合编织结构神经导管及其制备方法 | |
CN111068118B (zh) | 一种人工神经移植物及制备方法 | |
US11998655B2 (en) | Collagen biomaterials and methods for manufacturing collagen biomaterials | |
CN110038163B (zh) | 一种用于修复腹壁缺损的水凝胶复合生物补片制备方法 | |
CN109851819A (zh) | 一种可注射丝素蛋白多孔水凝胶及其制备方法 | |
CN106367460A (zh) | 一种酸性条件下胶原蛋白海绵的制备方法 | |
CN106421902B (zh) | 一种快速凝胶化丝素蛋白溶液及其制备方法 | |
CN116570770B (zh) | 一种双层冻干管状物及其制备方法与应用 | |
JP2018537982A (ja) | 構造記憶特性を有する細胞増殖用足場の製造方法 | |
Dai et al. | Improved thermostability and cytocompatibility of bacterial cellulose/collagen composite by collagen fibrillogenesis | |
CN106730037A (zh) | 一种复合胶原生物膜及其制备方法 | |
CN106806941A (zh) | 一种易缝合阵列微管神经修复支架制备方法及其应用 | |
CN110859992B (zh) | 一种骨修复材料及其制备方法 | |
CN116531143B (zh) | 一种改善双层冻干管状物质地均匀度的方法与应用 | |
JP2012001859A (ja) | コラーゲン・キトサン複合繊維状多孔体及びその製造方法 | |
CN107349456B (zh) | 一种具有孔隙大小自适应调节能力的胶原海绵制备方法及胶原海绵 | |
CN106913908B (zh) | 一种具有结构记忆特性的细胞生长支架 | |
CN106975099B (zh) | 一种制备胶原蛋白海绵的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Guohang Inventor after: Niu Lijun Inventor after: Zhang Hongqi Inventor after: Shi Huaizhang Inventor after: Li Xiaojing Inventor after: Sun Bingbing Inventor after: Song Mowei Inventor after: Zhang Wei Inventor before: Wang Guohang Inventor before: Niu Lijun Inventor before: Zhang Hongqi Inventor before: Shi Huaizhang Inventor before: Song Mowei Inventor before: Zhang Wei Inventor before: Li Xiaojing Inventor before: Sun Bingbing |