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EP4529463A4 - Polysaccharide-based artificial eardrum patch - Google Patents

Polysaccharide-based artificial eardrum patch

Info

Publication number
EP4529463A4
EP4529463A4 EP23913335.8A EP23913335A EP4529463A4 EP 4529463 A4 EP4529463 A4 EP 4529463A4 EP 23913335 A EP23913335 A EP 23913335A EP 4529463 A4 EP4529463 A4 EP 4529463A4
Authority
EP
European Patent Office
Prior art keywords
polysaccharide
based artificial
artificial eardrum
patch
eardrum patch
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.)
Pending
Application number
EP23913335.8A
Other languages
German (de)
French (fr)
Other versions
EP4529463A2 (en
Inventor
Yev Adil Allahverd
Serap Derman
Emrah Efik Abamor
Lu Karaaltin Aysegül Batio
Busra Akgül
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yildiz Teknik Universitesi
Original Assignee
Yildiz Teknik Universitesi
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yildiz Teknik Universitesi filed Critical Yildiz Teknik Universitesi
Priority claimed from PCT/TR2023/051805 external-priority patent/WO2024144740A2/en
Publication of EP4529463A2 publication Critical patent/EP4529463A2/en
Publication of EP4529463A4 publication Critical patent/EP4529463A4/en
Pending legal-status Critical Current

Links

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
    • A61L27/26—Mixtures of macromolecular compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
    • A61K35/28—Bone marrow; Haematopoietic stem cells; Mesenchymal stem cells of any origin, e.g. adipose-derived stem cells
    • 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
    • A61L27/36—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix
    • A61L27/38—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix containing added animal cells
    • A61L27/3804—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix containing added animal cells characterised by specific cells or progenitors thereof, e.g. fibroblasts, connective tissue cells, kidney cells
    • A61L27/3834—Cells able to produce different cell types, e.g. hematopoietic stem cells, mesenchymal stem cells, marrow stromal cells, embryonic stem cells
    • 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
    • A61L27/58—Materials at least partially resorbable by the body
    • 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
    • A61L2400/00—Materials characterised by their function or physical properties
    • A61L2400/12—Nanosized materials, e.g. nanofibres, nanoparticles, nanowires, nanotubes; Nanostructured surfaces
    • 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
    • A61L2430/14—Materials or treatment for tissue regeneration for ear reconstruction or ear implants, e.g. implantable hearing aids

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Cell Biology (AREA)
  • Biomedical Technology (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Transplantation (AREA)
  • Dermatology (AREA)
  • Developmental Biology & Embryology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Hematology (AREA)
  • Zoology (AREA)
  • Immunology (AREA)
  • Urology & Nephrology (AREA)
  • Botany (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biotechnology (AREA)
  • Virology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Materials For Medical Uses (AREA)
EP23913335.8A 2022-12-30 2023-12-28 Polysaccharide-based artificial eardrum patch Pending EP4529463A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR202221899 2022-12-30
PCT/TR2023/051805 WO2024144740A2 (en) 2022-12-30 2023-12-28 Polysaccharide-based artificial eardrum patch

Publications (2)

Publication Number Publication Date
EP4529463A2 EP4529463A2 (en) 2025-04-02
EP4529463A4 true EP4529463A4 (en) 2025-09-17

Family

ID=94868606

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23913335.8A Pending EP4529463A4 (en) 2022-12-30 2023-12-28 Polysaccharide-based artificial eardrum patch

Country Status (1)

Country Link
EP (1) EP4529463A4 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9655995B2 (en) * 2012-01-16 2017-05-23 Marshall University Research Corporation Nanofiber scaffolds and methods for repairing damaged cardiac tissue
US20200384151A1 (en) * 2016-07-12 2020-12-10 Ajou University Industry-Academic Cooperation Foundation Pcl patch tissue regeneration scaffold and method for manufacturing same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9655995B2 (en) * 2012-01-16 2017-05-23 Marshall University Research Corporation Nanofiber scaffolds and methods for repairing damaged cardiac tissue
US20200384151A1 (en) * 2016-07-12 2020-12-10 Ajou University Industry-Academic Cooperation Foundation Pcl patch tissue regeneration scaffold and method for manufacturing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
AVSAR G�LBEN ET AL: "Levan based fibrous scaffolds electrospun via co-axial and single-needle techniques for tissue engineering applications", CARBOHYDRATE POLYMERS, vol. 193, 23 March 2018 (2018-03-23), GB, pages 316 - 325, XP093300522, ISSN: 0144-8617, DOI: 10.1016/j.carbpol.2018.03.075 *

Also Published As

Publication number Publication date
EP4529463A2 (en) 2025-04-02

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Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20241111

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20250819

RIC1 Information provided on ipc code assigned before grant

Ipc: A61K 35/00 20060101AFI20250812BHEP

Ipc: A61L 27/18 20060101ALI20250812BHEP

Ipc: A61K 35/28 20150101ALI20250812BHEP

Ipc: A61L 27/26 20060101ALI20250812BHEP

Ipc: A61L 27/38 20060101ALI20250812BHEP

Ipc: A61L 27/58 20060101ALI20250812BHEP