Method of treating the surface of a medical device for blood coagulation diagnosis, and such a device

To increase the adhesion strength of coagulated blood on an untreated surface (30) by increasing the surface interaction of blood-inherent components (32,33,34) like fibrin/fibrinogen and thrombocytes it is described to treat the surface by exposing it to ionized atoms or molecules thereby reaching...

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Bibliographische Detailangaben
Hauptverfasser:	CALATZIS, ANDREAS, GLAUNER, MARTIN, WURLITZER, STEFAN, SCHUBERT, AXEL
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TESTING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	To increase the adhesion strength of coagulated blood on an untreated surface (30) by increasing the surface interaction of blood-inherent components (32,33,34) like fibrin/fibrinogen and thrombocytes it is described to treat the surface by exposing it to ionized atoms or molecules thereby reaching at a plasma treated surface (31). The surface treatment according to the invention is applied on plastic disposables used in blood diagnostics (e.g. haemostasis analysis) as well as medical implants like artery sealings. The improved blood clot adhesion results in higher diagnostic security due to reduced measurement failure (e.g., for patients with increased thrombocyte content) and in better significance of special tests (e.g., hyperfibrinolysis diagnosis).