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Medical

Deflection devices, systems and methods for the prevention of stroke

Prosthesis - Mon, 05/25/2015 - 10:30am
Deflection devices, systems, and methods for the prevention of stroke. Devices hereof comprise an extension portion and an anchor portion, both of which are configured to prevent the device from advancing into the artery extending from the aortic arch in which the device may be positioned. Additionally, a retrieval system...
Categories: Medical

Deployment handle for an introducer

Prosthesis - Mon, 05/25/2015 - 10:30am
A handle for an implant deployment device converts rotational movement into longitudinal movement in order to provide controlled release of one or more trigger wires. The handle also allows the trigger wire to be withdrawn into the device so that it does not need to be separately removed. A preferred...
Categories: Medical

System and methods for endovascular aneurysm treatment

Prosthesis - Mon, 05/25/2015 - 10:30am
Embodiments provide methods and systems for treating aneurysms using filling structures filled with a curable medium. An embodiment of a method comprises positioning at least one double-walled filling structure across the aneurysm and filling the structure(s) with a filling medium so that an outer wall conforms to the inside of...
Categories: Medical

Endograft introducer and a capsule assembly for an endograft introducer

Prosthesis - Mon, 05/25/2015 - 10:30am
A capsule assembly for an endograft introducer is disclosed. The assembly comprises: a capsule and a capsule plug. The capsule has a cavity for receiving an end of a stent graft and a capsule wall terminating in a distal end. The capsule plug comprises: a tip portion having a lead-in...
Categories: Medical

Stent-graft with fixation elements that are radially confined for delivery

Prosthesis - Mon, 05/25/2015 - 10:30am
An endovascular stent-graft is provided that is configured to assume a radially-compressed delivery state and a radially-expanded deployment state. The endovascular stent-graft comprises a flexible stent member; and a tubular fluid flow guide, which comprises a graft material, and which is attached to the stent member. The stent member includes...
Categories: Medical

Thermo-mechanically controlled implants and methods of use

Prosthesis - Mon, 05/25/2015 - 10:30am
An implant comprises a structure that may be implanted into tissue and that has a first material property at normal body temperature. The first material property is variable at elevated temperatures above normal body temperature. The implant also has a plurality of particles dispersed in the structure that are adapted...
Categories: Medical

Shape memory bioresorbable polymer peripheral scaffolds

Prosthesis - Mon, 05/25/2015 - 10:30am
Bioabsorbable scaffolds having high crush recoverability, high fracture resistance, and reduced or no recoil due to self expanding properties at physiological conditions are disclosed. The scaffolds are made from a random copolymer of PLLA and a rubbery polymer such as polycaprolactone....
Categories: Medical

Adjustable heart valve implant

Prosthesis - Mon, 05/25/2015 - 10:30am
Systems and methods are provided for repairing a heart valve, such as a mitral, tricuspid or aortic valve, using an adjustable and removable implant that can be delivered to the heart through the apex in a simplified and non-invasive manner. The implant can include a prosthetic valve portion coupled to...
Categories: Medical

Filter system and method

Prosthesis - Mon, 05/25/2015 - 10:30am
A filter system, comprising an elongate filter body defining a lumen and having a proximal end and a distal end. A valve can be provided defining a lumen and having a reversibly sealable opening for unidirectional flow of a fluid through the lumen. The valve can be adjoined proximal the...
Categories: Medical

Multi-component designs for heart valve retrieval device, sealing structures and stent assembly

Prosthesis - Mon, 05/25/2015 - 10:30am
This invention relates to the design and function of a device which allows for retrieval of a previously implanted valve prosthesis from a beating heart without extracorporeal circulation using a transcatheter retrieval system, including a guide component to facilitate the compression of the valve and retraction into a retrieval catheter,...
Categories: Medical

Sealing structures for paravalvular leak protection

Prosthesis - Mon, 05/25/2015 - 10:30am
A prosthetic heart valve for replacing a native valve includes a collapsible and expandable stent having a proximal end and a distal end, and a valve assembly disposed within the stent, the valve assembly including a plurality of leaflets and a cuff annularly disposed about the stent. The cuff includes...
Categories: Medical

Reconfiguring tissue features of a heart annulus

Prosthesis - Mon, 05/25/2015 - 10:30am
Among other things, a tool to attach a support to a heart valve annulus includes a stabilizing body that includes features to stabilize an axial position of the tool relative to the annulus, and an attachment device connected to the stabilizing body, the stabilizing body and the attachment device being...
Categories: Medical

Prosthetic heart valve devices, prosthetic mitral valves and associated systems and methods

Prosthesis - Mon, 05/25/2015 - 10:30am
A prosthetic heart valve (100) includes a flexible anchoring member (110) at least partially surrounding and coupled to an inner valve support (120). The device can further include a prosthetic valve (130) coupled to, mounted within, or otherwise carried by the valve support. The valve support includes a plurality of...
Categories: Medical

Prosthetic capsular bag and method of inserting the same

Prosthesis - Mon, 05/25/2015 - 10:30am
The present invention relates to a prosthetic capsular bag and method for inserting the same. The prosthetic capsular bag helps to maintain the volume of the natural capsular bag, thereby stabilizing the effective lens position of an IOL so that refractive outcomes may be improved with cataract surgery. The prosthetic...
Categories: Medical

Processor controlled intraocular lens system

Prosthesis - Mon, 05/25/2015 - 10:30am
The present invention relates generally to an intraocular lens system controlled with a processor, including a liquid meniscus lens and supporting electronics. Embodiments may include intraocular lens systems of various shapes and sizes, liquid meniscus lens components of various shapes and sizes, variations in supporting electronics with corresponding variations in...
Categories: Medical

Accommodative intraocular lens

Prosthesis - Mon, 05/25/2015 - 10:30am
The accommodative intraocular lens 1 include an optical section 10 of a lens, and a lens supporting section 20 provided at the peripheral portion of the optical section 10. The lens supporting section 20 includes one end portion 201 connected to the peripheral portion of the optical section 10 via...
Categories: Medical

Ophthalmic lenses with enhanced surface and methods of fabrication thereof

Prosthesis - Mon, 05/25/2015 - 10:30am
An ophthalmic lens for providing enhanced vision includes a finished optic comprising a base optic and a membrane. The base optic has an anterior surface and an opposing posterior surface, at least one of the surfaces having a first value of a surface quality parameter. The base optic also includes...
Categories: Medical

Acl implants, instruments, and methods

Prosthesis - Mon, 05/25/2015 - 10:30am
Systems for single tunnel, double bundle anterior cruciate ligament reconstruction include implant constructs and instruments. The implant constructs provide a combination of cortical fixation and bone tunnel aperture fixation. The implant constructs separate a graft into distinct bundles. The instruments are used to prepare shaped bone tunnels to receive the...
Categories: Medical

Controlling a size of a pylorus

Prosthesis - Mon, 05/25/2015 - 10:30am
Systems and methods are provided for reversibly controlling a size and/or restricting the movement of a body orifice, such as a pyloric opening, using an implantable device configured to allow a distance between opposed ends thereof to be adjusted. A device is provided having attachment members and a connector portion...
Categories: Medical

Bone cements containing magnetic calcium phosphate nanoparticles

Prosthesis - Mon, 05/25/2015 - 10:30am
A bone cement formulation comprising: (a) magnetic calcium phosphate nanoparticles present in an amount of 5.0-95 wt. % and having a largest linear dimension of 150 nm to 50 microns; (b) polymerizable acrylate monomer present in an amount of 5.0-95 wt. %; and (c) polyacrylate polymer present in an amount...
Categories: Medical