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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Hauptverfasser: ALIN CRISTIAN DANIEL, PAPAVLU PALLA ALEXANDRA, PAPAGHEORGHE RALUCA, DINESCU MARIA, GRAMA FLORIN ANDREI, BRAJNICOV SIMONA
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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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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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