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1. WO2020201940 - TWO-COMPONENT SYSTEM FOR THE THERAPEUTIC TREATMENT OF SKIN LESIONS AND PRODUCTION METHOD THEREOF

Publication Number WO/2020/201940
Publication Date 08.10.2020
International Application No. PCT/IB2020/052851
International Filing Date 26.03.2020
IPC
A61L 26/00 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
26Chemical aspects of, or use of materials for, liquid bandages
CPC
A61L 26/0052
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
26Chemical aspects of, or use of materials for, ; wound dressings or; bandages ; in liquid, gel or powder form
0009containing macromolecular materials
0052Mixtures of macromolecular compounds
A61L 26/0066
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
26Chemical aspects of, or use of materials for, ; wound dressings or; bandages ; in liquid, gel or powder form
0061Use of materials characterised by their function or physical properties
0066Medicaments; Biocides
A61L 26/0076
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
26Chemical aspects of, or use of materials for, ; wound dressings or; bandages ; in liquid, gel or powder form
0061Use of materials characterised by their function or physical properties
0076Sprayable compositions
A61L 26/008
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
26Chemical aspects of, or use of materials for, ; wound dressings or; bandages ; in liquid, gel or powder form
0061Use of materials characterised by their function or physical properties
008Hydrogels or hydrocolloids
Applicants
  • DTECH - SOCIETÀ A RESPONSABILITÀ LIMITATA [IT]/[IT]
Inventors
  • CHIARELLI, Piero
Agents
  • FIAMMENGHI, Eva
  • FIAMMENGHI, Alessandro
Priority Data
10201900000500403.04.2019IT
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) TWO-COMPONENT SYSTEM FOR THE THERAPEUTIC TREATMENT OF SKIN LESIONS AND PRODUCTION METHOD THEREOF
(FR) SYSTÈME À DEUX ÉLÉMENTS POUR LE TRAITEMENT THÉRAPEUTIQUE DE LÉSIONS CUTANÉES ET SON PROCÉDÉ DE PRODUCTION
Abstract
(EN)
Two-component system for the therapeutic treatment of skin lesions in general, as well as wounds, burns, bedsores, ulcers, consisting of two components, wherein a first component is in the form of aqueous gel and wherein a second component, called cross-linker, is in the form of an aqueous solution, wherein said first component consists of at least one biocompatible polymer, at least one polyacid or a salt thereof and characterized in that at least one preservative substance, at least one pharmacologically active substance can be present and in that said second component consists of a saline solution comprising calcium chloride, magnesium chloride and zinc chloride, in that the method of use involves the prior application of the first component, in the form of aqueous gel in a fluid-viscous state on the skin of a patient and which only later is sprayed with the second component in the form of an aqueous solution, causing the formation in situ of a film of rubbery consistency and in that said rubbery film can be removed by washing the skin with water.
(FR)
L'invention concerne un système à deux éléments pour le traitement thérapeutique de lésions cutanées en général, ainsi que des plaies, des brûlures, des escarres, des ulcères, constitué de deux éléments, un premier élément étant sous la forme d'un gel aqueux et un second élément, appelé agent de réticulation, étant sous la forme d'une solution aqueuse, ledit premier élément étant constitué d'au moins un polymère biocompatible, d'au moins un polyacide ou d'un sel de celui-ci, caractérisé en ce qu'au moins une substance de conservation ou au moins une substance pharmacologiquement active peut être présente, et en ce que ledit second élément est constitué d'une solution saline comprenant du chlorure de calcium, du chlorure de magnésium et du chlorure de zinc, en ce que le procédé d'utilisation implique l'application préalable du premier élément, sous la forme d'un gel aqueux dans un état fluide-visqueux, sur la peau d'un patient et qui, seulement plus tard, est pulvérisé avec le second élément sous la forme d'une solution aqueuse, provoquant la formation in situ d'un film de consistance caoutchouteuse, et en ce que ledit film caoutchouteux peut être éliminé en lavant la peau avec de l'eau.
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