Patent classifications
A61L31/18
SUPER ELASTIC, BIOABSORBABLE ENDOVASCULAR DEVICES
The invention relates to endovascular medical implant devices and materials of composition for forming these devices to provide improved mechanical properties and biodegradability. The devices include a combination or integration of superelastic material, biodegradable metal and, thin film nitinol and/or biodegradable polymer. A structural frame is formed of individual elongated pieces composed of biodegradable metal. These pieces are joined together by connector pieces composed of superelastic material. At least a portion of the structural frame has deposited thereon the thin film nitinol and/or biodegradable polymer. The structural frame of the device is collapsible for insertion in a delivery tube and, recoverable for deployment and placement in a vascular location of a patient body.
SUPER ELASTIC, BIOABSORBABLE ENDOVASCULAR DEVICES
The invention relates to endovascular medical implant devices and materials of composition for forming these devices to provide improved mechanical properties and biodegradability. The devices include a combination or integration of superelastic material, biodegradable metal and, thin film nitinol and/or biodegradable polymer. A structural frame is formed of individual elongated pieces composed of biodegradable metal. These pieces are joined together by connector pieces composed of superelastic material. At least a portion of the structural frame has deposited thereon the thin film nitinol and/or biodegradable polymer. The structural frame of the device is collapsible for insertion in a delivery tube and, recoverable for deployment and placement in a vascular location of a patient body.
Device and method with reduced pacemaker rate in heart valve replacement
The disclosure relates to heart valve prostheses with the reduced need of pacemaker implantation and improved means for positioning the replacement heart valve. In one aspect of the present disclosure, the stent scaffold of the valve prosthesis includes axially extending locators. The locators may be positioned within the cusp of the native aortic valve. Placement of the locators within the cusps may prevent further proximal movement of the stent scaffold into the left ventricle. By adjusting the location of the proximal end of the locators with respect to the proximal end of the stent scaffold, infra-annular placement of the stent scaffold in the aortic annulus may be assured. In another aspect, means for visualizing the positioning of replacement heart valves at an implant site inside an individual's body is disclosed.
Device and method with reduced pacemaker rate in heart valve replacement
The disclosure relates to heart valve prostheses with the reduced need of pacemaker implantation and improved means for positioning the replacement heart valve. In one aspect of the present disclosure, the stent scaffold of the valve prosthesis includes axially extending locators. The locators may be positioned within the cusp of the native aortic valve. Placement of the locators within the cusps may prevent further proximal movement of the stent scaffold into the left ventricle. By adjusting the location of the proximal end of the locators with respect to the proximal end of the stent scaffold, infra-annular placement of the stent scaffold in the aortic annulus may be assured. In another aspect, means for visualizing the positioning of replacement heart valves at an implant site inside an individual's body is disclosed.
Flexible radiopaque trial, plate and method of use
A flexible plastic, resin or polymer material forming a trial plate for use is surgery of bones including spine and extremities. The trial plate having at least one radio opaque region and guides for positioning. A kit may be provided containing at least one flexible trial plate.
Vascular prosthesis for leak prevention during endovascular aneurysm repair
An embodiment includes a process for treating an abdominal aortic aneurysm (AAA) endoleak with a shape memory polymer (SMP) foam device. First, a bifurcated stent graft is placed within the aneurysm while a micro guidewire is positioned within the aneurysm for future catheter access. Second, after placing the iliac graft extension, a catheter is introduced over wire to deliver embolic foams. Third, embolic foams expand and conform to the aneurysm wall. Fourth, embolic foams create a stable thrombus to prevent endoleak formation by isolating peripheral vessels from the aneurysm volume.
Vascular prosthesis for leak prevention during endovascular aneurysm repair
An embodiment includes a process for treating an abdominal aortic aneurysm (AAA) endoleak with a shape memory polymer (SMP) foam device. First, a bifurcated stent graft is placed within the aneurysm while a micro guidewire is positioned within the aneurysm for future catheter access. Second, after placing the iliac graft extension, a catheter is introduced over wire to deliver embolic foams. Third, embolic foams expand and conform to the aneurysm wall. Fourth, embolic foams create a stable thrombus to prevent endoleak formation by isolating peripheral vessels from the aneurysm volume.
Biocompatible medical device visible in x-ray and method for manufacturing thereof
A biocompatible medical device is provided having at least one surface, wherein at least a part of this surface is coated with a biocompatible layer configured to provide visibility of the device in X-rays.
Biocompatible medical device visible in x-ray and method for manufacturing thereof
A biocompatible medical device is provided having at least one surface, wherein at least a part of this surface is coated with a biocompatible layer configured to provide visibility of the device in X-rays.
INTRAVASCULAR FUNCTIONAL ELEMENT, SYSTEM HAVING A FUNCTIONAL ELEMENT, AND METHOD
The disclosure relates to an intravascular functional element, in particular an implant, more particularly a Stent, flow diverter, stent graft and intravascular occlusion device, having a radially self-expandable lattice structure which is tubular at least in some regions and which has a wire or a plurality of wires, wherein the wire/at least one of the wires includes a superelastic material, in particular a superelastic material of an alloy with the alloy elements nickel and titanium, wherein a mixed oxide layer is formed on the surface of the wire the wires with a layer thickness of 150 nm to 400 nm, in particular 200 nm to 350 nm, in particular 250 nm to 300 nm.