HERNIA-REPAIR MESHES COATED WITH THIN ADHERENT FILM OF NANOCOMPOSITES BASED ON POLYETHYLENE OXIDE AND CARBON NANOTUBES AND PROCESS FOR MAKING THE SAME
The invention relates to a hernia-repair mesh, coated with thin layers of nanocomposite materials consisting of polyethylene oxide polymer PEO and carbon nanotubes CNT and to a process for making the same. According to the invention, the mesh consists of a commercial macroporous monofilament net mad...
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creator | ALIN CRISTIAN DANIEL PAPAVLU PALLA ALEXANDRA PAPAGHEORGHE RALUCA DINESCU MARIA GRAMA FLORIN ANDREI BRAJNICOV SIMONA |
description | The invention relates to a hernia-repair mesh, coated with thin layers of nanocomposite materials consisting of polyethylene oxide polymer PEO and carbon nanotubes CNT and to a process for making the same. According to the invention, the mesh consists of a commercial macroporous monofilament net made of polypropylene or polyester, with the pore size > 1 mm, coated, at the exterior, with a continuous homogenous thin adherent nanocomposite film based on polyethylene oxide and carbon nanotubes. The claimed process has the following stages: a. making the solid targets for the laser evaporation process by freezing, with liquid nitrogen, a solution comprising 96% distilled water and 4% nanocomposite material based on polyethylene oxide and carbon nanotubes, in a Cu support, b. irradiating the frozen target with a laser beam coming from a Nd : YAG laser which operates at a wave length of 266 nm, c. using a laser fluence of 750 mJ/cm, d. using a number of 126000 laser pulses, e. keeping the frozen target and the meshes for treating hernia inside an enclosure vacuumed up to 10mbar, f. placing the hernia-treating meshes, placed on a metallic support, as well as the frozen target parallel at a distance of 3.5 cm to one another. |
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According to the invention, the mesh consists of a commercial macroporous monofilament net made of polypropylene or polyester, with the pore size > 1 mm, coated, at the exterior, with a continuous homogenous thin adherent nanocomposite film based on polyethylene oxide and carbon nanotubes. The claimed process has the following stages: a. making the solid targets for the laser evaporation process by freezing, with liquid nitrogen, a solution comprising 96% distilled water and 4% nanocomposite material based on polyethylene oxide and carbon nanotubes, in a Cu support, b. irradiating the frozen target with a laser beam coming from a Nd : YAG laser which operates at a wave length of 266 nm, c. using a laser fluence of 750 mJ/cm, d. using a number of 126000 laser pulses, e. keeping the frozen target and the meshes for treating hernia inside an enclosure vacuumed up to 10mbar, f. placing the hernia-treating meshes, placed on a metallic support, as well as the frozen target parallel at a distance of 3.5 cm to one another.</description><language>eng ; rum</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR ; GENERAL PROCESSES OF COMPOUNDING ; HUMAN NECESSITIES ; HYGIENE ; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES ; MEDICAL OR VETERINARY SCIENCE ; METALLURGY ; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; WORKING-UP</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230330&DB=EPODOC&CC=RO&NR=134223B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,782,887,25571,76555</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230330&DB=EPODOC&CC=RO&NR=134223B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ALIN CRISTIAN DANIEL</creatorcontrib><creatorcontrib>PAPAVLU PALLA ALEXANDRA</creatorcontrib><creatorcontrib>PAPAGHEORGHE RALUCA</creatorcontrib><creatorcontrib>DINESCU MARIA</creatorcontrib><creatorcontrib>GRAMA FLORIN ANDREI</creatorcontrib><creatorcontrib>BRAJNICOV SIMONA</creatorcontrib><title>HERNIA-REPAIR MESHES COATED WITH THIN ADHERENT FILM OF NANOCOMPOSITES BASED ON POLYETHYLENE OXIDE AND CARBON NANOTUBES AND PROCESS FOR MAKING THE SAME</title><description>The invention relates to a hernia-repair mesh, coated with thin layers of nanocomposite materials consisting of polyethylene oxide polymer PEO and carbon nanotubes CNT and to a process for making the same. 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According to the invention, the mesh consists of a commercial macroporous monofilament net made of polypropylene or polyester, with the pore size > 1 mm, coated, at the exterior, with a continuous homogenous thin adherent nanocomposite film based on polyethylene oxide and carbon nanotubes. The claimed process has the following stages: a. making the solid targets for the laser evaporation process by freezing, with liquid nitrogen, a solution comprising 96% distilled water and 4% nanocomposite material based on polyethylene oxide and carbon nanotubes, in a Cu support, b. irradiating the frozen target with a laser beam coming from a Nd : YAG laser which operates at a wave length of 266 nm, c. using a laser fluence of 750 mJ/cm, d. using a number of 126000 laser pulses, e. keeping the frozen target and the meshes for treating hernia inside an enclosure vacuumed up to 10mbar, f. placing the hernia-treating meshes, placed on a metallic support, as well as the frozen target parallel at a distance of 3.5 cm to one another.</abstract><oa>free_for_read</oa></addata></record> |
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language | eng ; rum |
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subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON DISINFECTION, STERILISATION, OR DEODORISATION OF AIR GENERAL PROCESSES OF COMPOUNDING HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP |
title | HERNIA-REPAIR MESHES COATED WITH THIN ADHERENT FILM OF NANOCOMPOSITES BASED ON POLYETHYLENE OXIDE AND CARBON NANOTUBES AND PROCESS FOR MAKING THE SAME |
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