Patent application number | Description | Published |
20090030117 | POROUS POLYMERIC PARTICLE COMPRISING POLYVINYL ALCOHOL AND HAVING INTERIOR TO SURFACE POROSITY-GRADIENT - Embolic particles, as well as their methods of use and manufacture, are described. | 01-29-2009 |
20100109178 | EMBOLIZATION - Embolization, as well as related particles and methods, are described. | 05-06-2010 |
20100209522 | Embolization - Embolization, as well as related particles, compositions, and methods, are disclosed. | 08-19-2010 |
20110033553 | Embolization - A composition includes a plurality of particles. At least some of the plurality of particles include cross-linked polyvinyl alcohol and have a diameter of about 500 microns or less. The particles have a first average pore size in an interior region, and a second average pore size at a surface region. The first average pore size being greater than the second average pore size. The composition also includes a carrier fluid. The plurality of particles being in the carrier fluid. | 02-10-2011 |
20110257608 | Multi-Slit High Flow Valve - A valve may include (a) a housing defining a valve lumen adapted for fluid connection with a lumen of a catheter; (b) a substantially conical valve member coupled to the housing and extending across the valve lumen to control flow therethrough; (c) a plurality of slits extending through the valve member and separated from one another circumferentially around the valve member; and (d) a ramp formed within a distal end of the valve lumen extending proximally from a distal tip of the valve member toward a ramp vertex separated from the distal tip by a predetermined distance. | 10-20-2011 |
20110280947 | Embolization - A particle includes a ferromagnetic material, a radiopaque material, and/or an MRI-visible material. | 11-17-2011 |
20120282472 | EMBOLIZATION - Embolization, as well as related particles, compositions, and methods, are disclosed. | 11-08-2012 |
20130079767 | EMBOLIZATION - A particle includes a ferromagnetic material, a radiopaque material, and/or an MRI-visible material. | 03-28-2013 |