Patent ID: 7914809
Filing Date: 2011-03-29
Classification: A61L

Abstract:
1. A medical device, the medical device is insertable or implantable in a patient's body and is a member selected from the group consisting of catheter assemblies, stent delivery assemblies, medical balloons, stents, grafts, stent-grafts, embolization devices, guide wires, needles, surgical instruments, endoscopic equipment, myocardial plugs, wound drains, gastroenteric tubes, urethral inserts, laproscopic equipments, pacemaker leads, defibrillator leads and shunts, the medical device having at least a region thereon formed of composite material, the composite material is formed from a hybrid organic-inorganic material that includes a polymer and a fluorinated sol-gel derived ceramic, the fluorinated sol-gel derived ceramic is formed from at least one hydrolysable network-forming fluorinated metal compound which is a fluorinated metal alkoxide comprising at least one mono-, oligo- or perfluorinated alkyl or aryl group which is linked to the metal via a carbon-metal bond which is not subject to hydrolysis and at least two network-forming groups, the metal comprises at least one member selected from the group consisting of silicon, tin, aluminum, hafnium, titanium, zirconium, tantalum, molybdenum, tungsten, rhenium, iridium, an alkaline earth metal and a rare earth lanthanide.