A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 29/14 (2006.01)
Patent
CA 2624980
According to an aspect of the invention, medical devices are provided, which have the following (a) one or more superhydrophobic surface regions, (b) one or more superhydrophilic surface regions having a durometer of at least 4OA, or (c) a combination of one or more superhydrophobic surface regions and one or more superhydrophilic surface regions having a durometer of at least 4OA. Such surfaces are created, for example, to provide reduced resistance to the movement of adjacent materials, including adjacent fluids and solids. Examples of medical device surface regions benefiting from the present invention include, for example, outside and/or inside (luminal) surfaces of the following: vascular catheters, urinary catheters, hydrolyser catheters, guide wires, pullback sheaths, left ventricular assist devices, endoscopes, airway tubes and injection needles, among many other devices.
La présente invention concerne, par l'un de ses aspect, des dispositifs médicaux comportant au moins (a) une zone à surface superhydrophobe, (b) une zone à surface superhydrophile d'une dureté au duromètre d'au moins 40A, ou (c) une combinaison des deux. Ces surfaces visent notamment à offrir une moindre résistance au déplacement de matériaux adjacents, fluides ou solides. Les surfaces de dispositifs médicaux bénéficiant de la présente invention sont essentiellement les surfaces extérieures et/ou intérieures (luminales) de dispositifs tels que cathéters vasculaires et urinaires, hydrolyseurs, fils-guides, gaines de déploiement, dispositifs d'assistance vasculaire gauche, endoscopes, intubateurs, et aiguilles d'injection.
Berg Brian
Schewe Scott
Weber Jan
Boston Scientific Limited
Mbm Intellectual Property Law Llp
LandOfFree
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