EP3331585A4 - Implantable graphene membranes with low cytotoxicity - Google Patents

Implantable graphene membranes with low cytotoxicity Download PDF

Info

Publication number
EP3331585A4
EP3331585A4 EP16833432.4A EP16833432A EP3331585A4 EP 3331585 A4 EP3331585 A4 EP 3331585A4 EP 16833432 A EP16833432 A EP 16833432A EP 3331585 A4 EP3331585 A4 EP 3331585A4
Authority
EP
European Patent Office
Prior art keywords
implantable
low cytotoxicity
graphene membranes
graphene
membranes
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.)
Withdrawn
Application number
EP16833432.4A
Other languages
German (de)
French (fr)
Other versions
EP3331585A1 (en
Inventor
Sarah M. Simon
Jacob L. SWETT
Peter V. Bedworth
Scott E. Heise
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.)
Lockheed Martin Corp
Original Assignee
Lockheed Corp
Lockheed Martin Corp
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 Lockheed Corp, Lockheed Martin Corp filed Critical Lockheed Corp
Priority claimed from PCT/US2016/027616 external-priority patent/WO2017023379A1/en
Publication of EP3331585A1 publication Critical patent/EP3331585A1/en
Publication of EP3331585A4 publication Critical patent/EP3331585A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/02Inorganic materials
    • A61L31/024Carbon; Graphite
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/08Materials for coatings
    • A61L31/082Inorganic materials
    • A61L31/084Carbon; Graphite
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/12Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
    • A61L31/121Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having an inorganic matrix
    • A61L31/122Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having an inorganic matrix of carbon
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/14Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L31/146Porous materials, e.g. foams or sponges
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/14Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L31/16Biologically active materials, e.g. therapeutic substances
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081After-treatment of organic or inorganic membranes
    • B01D67/009After-treatment of organic or inorganic membranes with wave-energy, particle-radiation or plasma
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • B01D69/105Support pretreatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • B01D69/107Organic support material
    • B01D69/1071Woven, non-woven or net mesh
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • B01D69/108Inorganic support material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02Inorganic material
    • B01D71/021Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02Inorganic material
    • B01D71/021Carbon
    • B01D71/0211Graphene or derivates thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/58Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2300/00Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/60Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a special physical form
    • A61L2300/62Encapsulated active agents, e.g. emulsified droplets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2300/00Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/60Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a special physical form
    • A61L2300/64Animal cells
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2420/00Materials or methods for coatings medical devices
    • A61L2420/04Coatings containing a composite material such as inorganic/organic, i.e. material comprising different phases
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2420/00Materials or methods for coatings medical devices
    • A61L2420/08Coatings comprising two or more layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/39Electrospinning
EP16833432.4A 2015-08-06 2016-04-14 Implantable graphene membranes with low cytotoxicity Withdrawn EP3331585A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562202056P 2015-08-06 2015-08-06
PCT/US2016/027616 WO2017023379A1 (en) 2015-08-06 2016-04-14 Implantable graphene membranes with low cytotoxicity

Publications (2)

Publication Number Publication Date
EP3331585A1 EP3331585A1 (en) 2018-06-13
EP3331585A4 true EP3331585A4 (en) 2019-05-15

Family

ID=62079126

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16833432.4A Withdrawn EP3331585A4 (en) 2015-08-06 2016-04-14 Implantable graphene membranes with low cytotoxicity

Country Status (1)

Country Link
EP (1) EP3331585A4 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130270188A1 (en) * 2012-03-15 2013-10-17 Massachusetts Institute Of Technology Graphene based filter
WO2014084861A1 (en) * 2012-11-30 2014-06-05 Empire Technology Development, Llc Selective membrane supported on nanoporous graphene
US20150050734A1 (en) * 2012-03-27 2015-02-19 Duke University Carbon Nanotubes And Methods Of Use
WO2015116857A2 (en) * 2014-01-31 2015-08-06 Lockheed Martin Corporation Processes for forming composite structures with a two-dimensional material using a porous, non-sacrificial supporting layer
WO2015138736A1 (en) * 2014-03-12 2015-09-17 Lockheed Martin Corporation In vivo and in vitro use of graphene

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130270188A1 (en) * 2012-03-15 2013-10-17 Massachusetts Institute Of Technology Graphene based filter
US20150050734A1 (en) * 2012-03-27 2015-02-19 Duke University Carbon Nanotubes And Methods Of Use
WO2014084861A1 (en) * 2012-11-30 2014-06-05 Empire Technology Development, Llc Selective membrane supported on nanoporous graphene
WO2015116857A2 (en) * 2014-01-31 2015-08-06 Lockheed Martin Corporation Processes for forming composite structures with a two-dimensional material using a porous, non-sacrificial supporting layer
WO2015138736A1 (en) * 2014-03-12 2015-09-17 Lockheed Martin Corporation In vivo and in vitro use of graphene

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JINKEE HONG ET AL: "Graphene Multilayers as Gates for Multi-Week Sequential Release of Proteins from Surfaces", ACS NANO, vol. 6, no. 1, 24 January 2012 (2012-01-24), US, pages 81 - 88, XP055282252, ISSN: 1936-0851, DOI: 10.1021/nn202607r *
RAJENDRA KURAPATI ET AL: "Graphene oxide based multilayer capsules with unique permeability properties: facile encapsulation of multiple drugs", CHEMICAL COMMUNICATIONS, vol. 48, 1 January 2012 (2012-01-01), pages 6013 - 6015, XP055362485, ISSN: 1359-7345, DOI: 10.1039/c2cc32248j *

Also Published As

Publication number Publication date
EP3331585A1 (en) 2018-06-13

Similar Documents

Publication Publication Date Title
IL257369A (en) Implantable graphene membranes with low cytotoxicity
EP3285649A4 (en) Syringe with rolling diaphragm
AU2015249322B2 (en) Syringe with rolling diaphragm
EP3248640A4 (en) Medical liquid-collection injector
EP3295986A4 (en) Catheter assembly
EP3115076A4 (en) Catheter
EP3351287A4 (en) Micro-needle
EP3357705A4 (en) Counterfeit-preventing structure
ZA201802187B (en) Membrane catheter
EP3295985A4 (en) Catheter assembly
EP3319528A4 (en) Spinal construct with flexible member
GB201513288D0 (en) Graphene membrane
EP3108926A4 (en) Medical connection structure
EP3357706A4 (en) Counterfeit-preventing structure
EP3120890A4 (en) Catheter
EP3395868A4 (en) Structure
EP3261514A4 (en) Medical devices
EP3395867A4 (en) Structural body
EP3302677A4 (en) Catheter assemblies
EP3251707A4 (en) Infusion set
EP3181206A4 (en) Spring-form flexible skateboard
EP3343603A4 (en) Structure
EP3189872A4 (en) Catheter
EP3260160A4 (en) Microneedle
EP3177838A4 (en) Fluid-redirecting structure

Legal Events

Date Code Title Description
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: 20180306

AK Designated contracting states

Kind code of ref document: A1

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 MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20190416

RIC1 Information provided on ipc code assigned before grant

Ipc: A61L 31/16 20060101ALI20190410BHEP

Ipc: A61L 31/12 20060101AFI20190410BHEP

Ipc: A61L 31/14 20060101ALI20190410BHEP

Ipc: B01D 71/02 20060101ALI20190410BHEP

Ipc: B01D 67/00 20060101ALI20190410BHEP

Ipc: A61L 31/08 20060101ALI20190410BHEP

Ipc: B01D 69/10 20060101ALI20190410BHEP

Ipc: A61K 9/00 20060101ALI20190410BHEP

Ipc: B01D 71/64 20060101ALI20190410BHEP

Ipc: A61L 31/02 20060101ALI20190410BHEP

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20201103