DERMAL MEDICAL CARE SYSTEM SHOWING HIGHLY ACTIVE MATERIAL FLOW AND ITS MANUFACTURE

PURPOSE: To provide the subject medical device, comprising an active substance- impermeable backing layer, an active substance-containing matrix of a specific constitution and a water access controlling layer and capable of stably storing the active substance. CONSTITUTION: This transdermal medical...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	MIHIYAERU HORUSUTOMAN, FURITSUTSU HERUMAN
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	PURPOSE: To provide the subject medical device, comprising an active substance- impermeable backing layer, an active substance-containing matrix of a specific constitution and a water access controlling layer and capable of stably storing the active substance. CONSTITUTION: This transdermal medical delivery device manifests a layer structure having a backing layer 11 without any practical permeability to an active substance, a matrix 12 composed of a basic substance 15, permeable to water vapor but practically insoluble in water and an islandlike part 14 composed of a water-soluble or a water-swellable basic substance containing the active substance distributed therein in the form of a solid solution therein (e.g. PVA, polyvinylpyrrolidone or a polysaccharide) and a layer 13, facing to skin and capable of controlling the access of a liquid in the skin. The particle size of the islandlike part is 5-20μm at the maximum, preferably