Patents Examined by Cachet Sellman
  • Patent number: 9662425
    Abstract: A method for loading a hydroxyapatite coated implant with a therapeutic agent including the steps of providing an implant and applying a hydroxyapatite coating on a surface of the implant. The hydroxyapatite coated implant is contacted with a solution including the therapeutic agent. The hydroxyapatite coated implant and solution is heated to temperature of about 60° C. to about 100° C. Pressure is applied to the hydroxyapatite coated implant and solution from about 2 bar to about 10 bar, to load the hydroxyapatite coated implant with the therapeutic agent. An implant made according to the method has sustained therapeutic agent delivery and includes a base and a biomimetic hydroxyapatite coating disposed on a surface thereof.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: May 30, 2017
    Assignee: Stryker European Holdings I, LLC
    Inventors: Mirjam Lilja, Jan Henrik Sörensen, Philip Procter, Hartwig Steckel, Torben Christian Sörensen
  • Patent number: 9656003
    Abstract: Medical device coatings are provided that simultaneously release a therapeutic agent at different rates from different portions of the medical device coating. In a first embodiment, medical device coatings are provided that include particles comprising a therapeutic agent with two or more different particles sizes within a single layer on a surface of the implantable device. In a second embodiment, medical device coatings are provided having a higher concentration of the therapeutic agent in a first region of the coating than in a second region of the coating. In a third embodiment, medical device coatings are provided that are formed by certain coating processes wherein the droplet size of a spray coating solution is changed during the coating process. These coating processes preferably include applying a solution comprising a therapeutic agent and a suitable solvent to a surface of an implantable medical device.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: May 23, 2017
    Assignee: COOK MEDICAL TECHNOLOGIES LLC
    Inventors: William F. Moore, Gary Bradford Shirley
  • Patent number: 9649256
    Abstract: A method and a device for monitoring a property of a coating of a solid dosage form during a coating process forming the coating of the solid dosage form are provided. The device comprises a coating apparatus configured for forming the coating on the solid dosage form, and a monitoring apparatus configured for monitoring the property of the coating of the solid dosage form in process, wherein at least a part of the monitoring apparatus is located so as to have insight in an interior of the coating apparatus, the interior accommodating the solid dosage form to be coated and a precursor for forming the coating, and wherein the monitoring apparatus is configured for monitoring the property of the coating of the solid dosage form simultaneously with and during a coating process using low coherence interferometry.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: May 16, 2017
    Assignees: Research Center Pharmaceutical Engineering GmbH, Research Center for Non Destructive Testing GmbH
    Inventors: Daniel Markl, Guenther Hannesschlaeger, Michael Leitner, Stephan Sacher, Daniel Koller, Johannes Khinast
  • Patent number: 9638693
    Abstract: The invention relates to a method for producing a nanoporous layer on a substrate.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: May 2, 2017
    Assignee: FORSCHUNGSZENTRUM JUELICH GMBH
    Inventors: Bernhard Wolfrum, Alexey Yakushenko, Andreas Offenhaeusser, Dirk Mayer
  • Patent number: 9622891
    Abstract: Embodiments of the present invention encompass methods of forming coatings, particularly coatings for medical devices, and more particularly, for braided or woven medical devices. Embodiments of the present invention encompass the coatings and the coated devices. The coatings may include a polymer and optionally a therapeutic agent.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: April 18, 2017
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: Benjamyn Serna, Michael Huy Ngo, Syed F. A. Hossainy, O. Mikael Trollsas
  • Patent number: 9623437
    Abstract: A die and a method for impregnating fiber rovings with a polymer resin are disclosed. The die includes a manifold assembly (220), an impregnation zone (250), and a gate passage (270). The manifold assembly (220) flows the resin therethrough, and includes a channel (222). The impregnation zone (250) is in fluid communication with the manifold assembly (220), and is configured to impregnate the roving with the resin. The gate passage (270) is between the manifold assembly (220) and the impregnation zone (250), and flows the resin from the manifold assembly (220) such that the resin coats the roving. The gate passage (270) includes a projection (300). The projection (300) is configured to diffuse resin flowing through the gate passage (270).
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: April 18, 2017
    Assignee: Ticona LLC
    Inventors: Timothy L. Tibor, Timothy A. Regan, Aaron H. Johnson
  • Patent number: 9623215
    Abstract: Embodiments of the invention include apparatus and methods for coating drug eluting medical devices. In an embodiment, the invention includes a coating apparatus including a coating application unit comprising a movement restriction structure; a fluid applicator; and an air nozzle. The apparatus can further include a rotation mechanism and an axial motion mechanism, the axial motion mechanism configured to cause movement of at least one of the coating application unit and the rotation mechanism with respect to one another. Other embodiments are also included herein.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: April 18, 2017
    Assignee: Surmodics, Inc.
    Inventors: Ralph A. Chappa, Andrew G. Bach, Mark MacGregor
  • Patent number: 9604248
    Abstract: A coating device for coating a medical device with a drug-eluting material uses an in-process drying station between coats to improve a drug release profile. The drying station includes a heat nozzle configured for applying a uniform drying gas.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: March 28, 2017
    Assignee: ABBOTT CARDIOVASCULAR SYSTEMS INC.
    Inventors: Charles R. Bobson, Kurt Scheinpflug, Yung-Ming Chen, Jeff H. Smith
  • Patent number: 9603978
    Abstract: Coatings, devices and methods are provided, wherein the contacting surface of a medical device with at least one contacting surface for contacting a bodily fluid or tissue, wherein long-lasting and durable bioactive agents or functional groups are deposited on the contacting surface through a unique two-step plasma coating process with deposition of a thin layer of plasma coating using a silicon-containing monomer in the first step and plasma surface modification using a mixture of nitrogen-containing molecules and oxygen-containing molecules in the second step. The two-step plasma coating process enables the implantable medical device to prevent both restenosis and thrombosis under clinical conditions. The invention also relates to surface treatment of metallic and polymeric biomaterials used for making of medical devices with significantly improved clinical performance and durability.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: March 28, 2017
    Inventor: Meng Chen
  • Patent number: 9592154
    Abstract: An intraocular shunt can be manufactured using a system that includes a liquid bath and a wire, which is moved through the bath. When moved through the bath, the wire is coated with a material, such as gelatin. For example, the liquid bath can have a top layer, including water, and a bottom layer, including gelatin. The coated wire passes through an aperture formed in a plate component of the system. The gelatin can be dried on the wire in a humidity-controlled space, thereby forming the shunt.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: March 14, 2017
    Assignee: AqueSys, Inc.
    Inventors: Laszlo O. Romoda, Brian Hamstrom, Partha Chandrakant, Christopher Horvath
  • Patent number: 9593443
    Abstract: The present invention provides methods for chemically embossing and debossing fabric. A composition comprising polyvinyl alcohol is applied to fabric in the shape of a design, and the fabric is dried. Upon the fabric drying, the surface of the fabric is embossed and/or debossed in the shape of the design. In particular embodiments, the composition comprises polyvinyl alcohol that is at least about 90% hydrolyzed. A kit for embossing and/or debossing fabric includes a composition comprising polyvinyl alcohol inside of a container, and one or more applicators.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: March 14, 2017
    Assignee: Crayola LLC
    Inventors: Cheryl Krieger, Veronica A. Pinto
  • Patent number: 9592321
    Abstract: An apparatus and method for hydrating a particulate biomaterial with a liquid biomaterial includes a vacuum device and a valve for withdrawing a gas from the particulate biomaterial and introducing the liquid biomaterial. The valve includes a hub, a valve body, a particulate port, a vacuum port, and a liquid port. The valve body selectively moves between first and second positions. The valve body at least partially defines a first passage and a second passage. The particulate port, the vacuum port, and the liquid port are each configured to fluidly connect to a particulate container, the vacuum device, and the liquid container, respectively. In the first position, the first passage fluidly connects the vacuum port to the particulate port for withdrawing the gas from the particulate container. In the second position, the second passage fluidly connects the liquid port to the particulate port for hydrating the particulate biomaterial.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: March 14, 2017
    Assignee: NORDSON CORPORATION
    Inventors: Benjamin B. Anderson, Kevin C. Geppert, Thomas A. Kirk, Huadong Lou, Mark Stevenson
  • Patent number: 9580916
    Abstract: Methods and apparatus are provided for finishing a composite floor. The apparatus includes a grouting pan configured to be affixed to the rotating head of a finishing machine. The grouting pan has a planar bottom surface and curved sidewall. Grouting pans are rotated over a prepped surface such that the curved sidewalls trowel the mortar onto the rough composite surface and the bottom surface which is in contact with the prepped floor forces the mortar into the surface voids.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: February 28, 2017
    Assignee: Diamond Tool Supply, Inc.
    Inventors: Tchavdar V. Tchakarov, Eric Gallup, Robert James Michielutti
  • Patent number: 9580362
    Abstract: A process for making highly mechanical and chemical resistant ceramic substrates, especially tiles is provided, wherein the process comprises coating said substrates with a base coat layer of a thermosetting or radiation curable powder coating composition, curing the applied powder coating composition, and applying a further layer of a liquid coating composition and curing the composition by exposure to heat. Coated ceramic substrates, in particular tiles are also provided.
    Type: Grant
    Filed: August 10, 2010
    Date of Patent: February 28, 2017
    Assignees: ALLNEX BELGIUM SA., CYTEC SURFACE SPECIALTIES (SHANGHAI) CO., LTD.
    Inventors: Hong Sheng, Ming Wu, Luc Moens, Alex Xia
  • Patent number: 9580646
    Abstract: The invention relates to a method for treating a steel band or steel plate provided with a metal coating with an after-treatment agent, which contains at least one polyalkylene glycol and is applied as a liquid solution to the surface of the metal coating. According to the invention, in order to achieve improved wetting and adhesion of the covering and at the same time the lowest possible coefficient of friction of the coated surface and in order to ensure good workability of the coated steel band or plate, the after-treatment agent contains a fluorescent antioxidant in addition to the polyalkylene glycol. The invention further relates to a steel band or steel plate provided with a metal coating, particularly a tin plate, which, on the surface of the metal coating, has a thin coat of an after-treatment agent which contains polyalkylene glycol and a fluorescent antioxidant.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: February 28, 2017
    Assignee: THYSSENKRUPP RASSELSTEIN GMBH
    Inventors: Harold Baulig, Reiner Sauer, Helmut Oberhoffer, Martin Schlupp
  • Patent number: 9575332
    Abstract: The present invention generally relates to a method for applying a coating of hydrophilic polymers onto silicone hydrogel contact lenses to improve hydrophilicity and lubricity. In particular, the present invention is directed to a method for forming a coating on a contact lens, preferably a silicone hydrogel contact lens, directly in the primary package and maintaining the coated contact lens within said primary package until insertion of the coated contact lens in the eye of the contact lens user. The resultant silicone hydrogel contact lens has a coating with good hydrophilicity, improved lubricity and good durability and also can be used directly from the lens package by a patient without washing and/or rising.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: February 21, 2017
    Assignee: NOVARTIS AG
    Inventors: Yongxing Qiu, Arturo Norberto Medina, John Dallas Pruitt
  • Patent number: 9572526
    Abstract: Methods for processing a vessel, for example to provide a gas barrier or lubricity, are disclosed. First and second PECVD or other vessel processing stations or devices and a vessel holder comprising a vessel port are provided. An opening of the vessel can be seated on the vessel port. The interior surface of the seated vessel can be processed via the vessel port by the first and second processing stations or devices. Vessel barrier, lubricity and hydrophobic coatings and coated vessels, for example syringes and medical sample collection tubes are disclosed. A vessel processing system and vessel inspection apparatus and methods are also disclosed.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: February 21, 2017
    Assignee: SIO2 MEDICAL PRODUCTS, INC.
    Inventors: John T. Felts, Thomas E. Fisk, Robert S. Abrams, John Ferguson, Jonathan R. Freedman, Robert J. Pangborn, Peter J. Sagona
  • Patent number: 9566611
    Abstract: In a method for treating the surface of objects, in particular vehicle bodies, the object is provided with a functional pattern by means of a coating process.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: February 14, 2017
    Assignee: Eisenmann SE
    Inventors: Claus Lang-Koetz, Ralph Meier, Herbert Schulze
  • Patent number: 9561191
    Abstract: The present invention relates to a method for forming a pharmaceutical product, such as a dissolvable film dosage form, onto a surface. Particularly, the present invention relates to a method of forming a pharmaceutical product directly onto the surface of a substrate.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: February 7, 2017
    Assignee: MonoSol Rx, LLC
    Inventors: Garry L. Myers, Beuford A. Bogue, Greg Slominski, Kevin Davidson, Laura Miloshoff
  • Patent number: 9549807
    Abstract: The present invention relates to a preparation method of a tube and a transplantable polymer tube prepared by such method, which includes modifying the inner surface of a tube using plasma. A preparation method of a tube may include preparing a tube, modifying the inner surface of the tube using microplasma so as to have reactivity, forming a thin film layer on the modified surface of the tube to prevent aging or impart adhesiveness, and modifying the surface of the thin film layer using microplasma so as to enhance cell adhesion thereon.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: January 24, 2017
    Assignee: RESEARCH & BUSINESS FOUNDATION SUNGYUNKWAN UNIVERSITY
    Inventors: Dong Geun Jung, Yong Ki Cho, Dae Won Park, Heon Yong Park, Hye Rim Lee