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1. WO2020062350 - ACELLULAR BIOLOGICAL AMNION CONTAINING LOOSE LAYER AND PREPARATION METHOD THEREFOR

Publication Number WO/2020/062350
Publication Date 02.04.2020
International Application No. PCT/CN2018/110529
International Filing Date 16.10.2018
IPC
A61L 27/36 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
LMETHODS 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
27Materials for prostheses or for coating prostheses
36containing ingredients of undetermined constitution or reaction products thereof
A61L 27/60 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
LMETHODS 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
27Materials for prostheses or for coating prostheses
50Materials characterised by their function or physical properties
60Materials for use in artificial skin
CPC
A61K 35/50
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
35Medicinal preparations containing materials or reaction products thereof with undetermined constitution
12Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
48Reproductive organs
50Placenta; Placental stem cells; Amniotic fluid; Amnion; Amniotic stem cells
A61L 27/36
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
LMETHODS 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
27Materials for ; grafts or; prostheses or for coating ; grafts or; prostheses
36containing ingredients of undetermined constitution or reaction products thereof ; , e.g. transplant tissue, natural bone, extracellular matrix
A61L 27/60
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
LMETHODS 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
27Materials for ; grafts or; prostheses or for coating ; grafts or; prostheses
50Materials characterised by their function or physical properties ; , e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
60Materials for use in artificial skin
A61P 17/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
17Drugs for dermatological disorders
A61P 29/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
29Non-central analgesic, antipyretic or anti-inflammatory agents, e.g antirheumatic agents; Non-steroidal anti-inflammatory drugs (NSAIDs)
Applicants
  • 成都清科生物科技有限公司 CHENGDU QINGKE BIOTECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • 康裕建 KANG, Yujian
  • 丁雪琴 DING, Xueqin
  • 张向飞 ZHANG, Xiangfei
  • 付春燕 FU, Chunyan
  • 王洁 WANG, Jie
Agents
  • 北京超凡宏宇专利代理事务所(特殊普通合伙) CHOFN INTELLECTUAL PROPERTY
Priority Data
201811128953.026.09.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) ACELLULAR BIOLOGICAL AMNION CONTAINING LOOSE LAYER AND PREPARATION METHOD THEREFOR
(FR) AMNIOS BIOLOGIQUE ACELLULAIRE CONTENANT UNE COUCHE LIBRE ET SON PROCÉDÉ DE PRÉPARATION
(ZH) 一种包含疏松层的脱细胞生物羊膜及其制备方法
Abstract
(EN)
An acellular biological amnion containing a loose layer and a preparation method therefor. The preparation method comprises steps such as virus inactivation and decellularization, which can ensure safety, completely reserve the natural structure of an amnion and a cell-free loose layer, retain the biological activities of anti-inflammatory and repair growth factors to the maximum degree, and reduce the loss of biological factors. The amnion is capable of improving repair and anti-inflammatory functions when treating skin damage and repairing same.
(FR)
L'invention concerne un amnios biologique acellulaire contenant une couche libre et son procédé de préparation. Le procédé de préparation comprend des étapes telles que l'inactivation virale et la décellularisation, qui peuvent assurer la sécurité, réserver complètement la structure naturelle d'un amnios et d'une couche libre exempte de cellules, conserver les activités biologiques de facteurs anti-inflammatoires et de facteurs de croissance et de réparation au degré maximum, et réduire la perte de facteurs biologiques. L'amnios est susceptible d'améliorer les fonctions de réparation et anti-inflammatoires lors du traitement d'une lésion cutanée et de réparer celle-ci.
(ZH)
一种包含疏松层的脱细胞生物羊膜及其制备方法。该制备方法包括病毒灭活和脱细胞等步骤,能够保证安全性,完整保留羊膜天然结构和不含细胞的疏松层,最大限定保留抗炎和修复的生长因子的生物活性,减少生物因子的流失。该羊膜能够在治疗皮肤损伤修复时提高修复和抗炎功能。
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