Patents Examined by Philip R Wiest
  • Patent number: 10434009
    Abstract: Lacrimal implants for treating diseases or disorders are disclosed. More particularly, lacrimal implants, methods of making such implants, and methods of treating ocular, respiration, inner ear or other diseases or disorders using such implants are disclosed.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: October 8, 2019
    Assignee: Mati Therapeutics Inc.
    Inventors: Alan R. Rapacki, Valery Rubinchik, John B. Holds, Sylvie Sim, Danny Shen
  • Patent number: 10426883
    Abstract: A hemodialysis system configured to purge air from a blood circuit comprising: a dialyzer; a dialysis fluid circuit operable with the dialyzer via dialysis fluid inlet and outlet lines; the blood circuit operable with the dialyzer and including an arterial line, a venous line, a blood pump operable with the arterial line upstream of the dialyzer, and a physiologically acceptable fluid source in fluid communication with the arterial line upstream of the blood pump; and an air purging scheme wherein, with the dialysis fluid inlet and outlet lines connected to the dialyzer, air is purged using dialysis fluid or other physiologically acceptable fluid pumped by at least one of the fresh or used dialysis fluid pumps from the dialysis fluid circuit, through the dialyzer, into the blood circuit, in combination with dialysis fluid or other physiologically acceptable fluid from the source introduced directly into the blood circuit.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: October 1, 2019
    Assignees: Baxter International Inc., Baxter Healthcare SA
    Inventors: Thomas Kelly, Robert W. Childers, Don Busby, Rodolfo Roger, Waleed Mutasem El Sayyid, Shahid Din
  • Patent number: 10426885
    Abstract: Interventional procedures on the carotid arteries are performed through a transcervical access while retrograde blood flow is established from the internal carotid artery to a venous or external location. A system for use in accessing and treating a carotid artery includes an arterial access device, a shunt fluidly connected to the arterial access device, and a flow control assembly coupled to the shunt and adapted to regulate blood flow through the shunt between at least a first blood flow state and at least a second blood flow state. The flow control assembly includes one or more components that interact with the blood flow through the shunt.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: October 1, 2019
    Assignee: Silk Road Medical, Inc.
    Inventors: Enrique Criado, Tony M. Chou, Michi E. Garrison, Gregory M. Hyde, Alan Schaer, Richard Renati
  • Patent number: 10420873
    Abstract: A device for forming a fistula between blood vessels includes a tubular body having a central lumen, a flange attached to the tubular body and projecting outwardly from an outer body surface, and one or more vanes projecting inwardly into the lumen so as to induce helical flow in blood passed through the lumen between first and second vessels joined via the fistula.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: September 24, 2019
    Assignee: Cook Medical Technologies LLC
    Inventors: Adam Shields, Keith Milner
  • Patent number: 10420874
    Abstract: An arteriovenous dialysis access graft configured to be implanted in a subject includes: at least one flexible conduit having first and second end portions, wherein the first end portion is configured to connect to an artery of the subject and the second end portion is configured to connect to a vein of the subject such that blood flows through the at least one conduit; and at least one cannulation chamber positioned between the first end portion and the second end portion of the at least one conduit. The chamber includes: an elongated housing having an inlet and an outlet, a posterior wall, a pair of sidewalls, and an open anterior portion defining a cannulation port; and a self-sealing material extending across the cannulation port. The posterior wall and the sidewalls of the housing are formed of a substantially rigid material.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: September 24, 2019
    Assignee: Duke University
    Inventors: Shawn M. Gage, Jeffrey H. Lawson
  • Patent number: 10413710
    Abstract: Drainage systems for excess body fluids and associated methods are disclosed herein. A drainage system in accordance with an embodiment of the present technology can include, for example, a drainage catheter, a first reference line, a second reference line, and a pressure sensor assembly. The catheter can include a flexible interface member and an inlet can be placed in fluid communication with a site of excess body fluid within a patient. A first flexible region of the first reference line can be in pressure communication with the flexible interface member, and a second flexible region of the second reference line can be in pressure communication with the surrounding atmosphere. The pressure sensor assembly can be spaced apart from the flexible regions, and measure the pressures of the first and second reference lines. This information can be used to determine the pressure at the site of excess body fluid.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: September 17, 2019
    Assignee: University of Washington
    Inventors: Barry Lutz, Samuel R. Browd, Thomas Clement, Brian Cran, Joel Relethford
  • Patent number: 10415559
    Abstract: A pump cassette is disclosed. The pump cassette includes a housing having at least, one fluid inlet line and at least one fluid outlet line. The cassette also includes at least one reciprocating pressure displacement membrane pump within the housing. The pressure pump pumps a fluid from the fluid inlet line to the fluid outlet line. A hollow spike is also included on the housing as well as at least one metering pump The metering pump is fluidly connected to the hollow spike on the housing and to a metering pump fluid line. The metering pump fluid line is fluidly connected to the fluid outlet line.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: September 17, 2019
    Assignee: DEKA Products Limited Partnership
    Inventors: Jason A. Demers, Michael J. Wilt, Kevin L. Grant, James D. Dale, Brian D. Tracey
  • Patent number: 10406037
    Abstract: Disclosed herein are several embodiments of a negative pressure appliance and methods of using the same in the treatment of wounds. Some embodiments are directed to improved fluidic connectors or suction adapters for connecting to a wound site, for example using softer, kink-free conformable suction adapters.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: September 10, 2019
    Assignee: Smith & Nephew, Inc.
    Inventors: Sean Albert, Ed Armstrong, Ken Beaudoin, Iain Michael Blackburn, Phil Bussone, Brendan Crawford, Robert Emmerson, Mike Ewaschuk, Stephen Gianelis, Andrew Goddard, Joseph Gordon, Mark Guarraia, Tim Johnson, Darwin Keith-Lucas, Andrew Linton, Dan Nelsen, Michael Salame, Tim Stern, Mark White
  • Patent number: 10398581
    Abstract: A method for performing a gastrectomy (stomach reduction surgery).
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: September 3, 2019
    Assignee: Freehold Surgical, Inc.
    Inventors: J. Stephen Scott, Roger de la Torre
  • Patent number: 10398627
    Abstract: The invention is a needle valve comprising at least one hollow needle and a seat. The hollow needle is comprised of a smooth surfaced hollow shaft and a port adapted to allow fluid communication between the interior and the exterior of said needle located in the side of the shaft at the distal end close to the tip of said needle. The seat comprises at least one bore adapted to accommodate one of the at least one needles through it. The needle and the bore can move one relatively to the other and the bore is provided in, or is fitted with, resilient material such that the outer diameter of the needle is greater than the inner diameter of at least part of the bore. As a result the passage of the shaft of the needle in the bore creates a closely-matched shaft and sheath, which blocks the passage of fluid through the port.
    Type: Grant
    Filed: September 7, 2015
    Date of Patent: September 3, 2019
    Assignee: Equashield Medical Ltd.
    Inventor: Marino Kriheli
  • Patent number: 10391230
    Abstract: A cannula device for the circulation of the blood in an artificial lung, includes: an aspiration lumen including at least one orifice permitting the aspiration of a volume of blood; an injection lumen including at least one orifice permitting the injection of a volume of blood, wherein the injection lumen and the aspiration lumen are held rigidly connected over at least a portion of their length, the lumens being sealed in relation to each other, the injection lumen having a deformable element, which is held on a portion of the distal end thereof, the deformable element having a first setting and a second setting, the change from the first setting to the second setting being effected by a modification of the diameter of the deformable element.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: August 27, 2019
    Assignee: CENTRE CHIRURGICAL MARIE LANNELONGUE
    Inventor: Mercier Olaf
  • Patent number: 10391228
    Abstract: A hemodialysis system configured to purge air from a blood circuit comprises a dialyzer; a dialysis fluid circuit operable with the dialyzer via dialysis fluid inlet and outlet lines, the dialysis fluid circuit including a fresh dialysis fluid pump, and a used dialysis fluid pump; the blood circuit operable with the dialyzer and including an arterial line, a venous line, a blood pump operable with the arterial line upstream of the dialyzer, a physiologically acceptable fluid source in fluid communication with the arterial line upstream of the blood pump, a drip chamber located along the venous line, and a container for accepting air purged from the blood circuit; and an air purging scheme wherein, with the dialysis fluid inlet and outlet lines connected to the dialyzer, the blood pump pumps a fluid through the dialyzer and into the drip chamber, forcing air from the drip chamber into the container.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: August 27, 2019
    Assignees: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE SA
    Inventors: Thomas D. Kelly, Marc S. Minkus, Angelito A. Bernardo, William P. Burns, Robert W. Childers, Shincy J. Maliekkal, Matthew R. Muller, Justin B. Rohde, Michael E. Hogard
  • Patent number: 10391287
    Abstract: A shunt catheter system and method of use thereof. The system generally includes an open-ended ventricular catheter with drainage apertures and safety flap valves, a reservoir with inline filter, and a peritoneal catheter. After insertion, for example into the ventricles of the brain, cerebrospinal fluid would pass into the ventricular catheter, through the inline filter in the reservoir, and into the peritoneal catheter, subsequently exiting the shunt catheter system. During insertion of the ventricular catheter, a catheter stylet or wire/string and plug stylet can be positioned therein to occlude the open end. The ventricular catheter may be positioned perpendicular to the peritoneal catheter and can be coupled to one another through the reservoir and inline filter or valve.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: August 27, 2019
    Assignee: University of South Florida
    Inventor: Joshua Marshall Beckman
  • Patent number: 10391229
    Abstract: The disclosed subject matter includes a structure and method for making a dual-lumen needle from single lumen needles to take advantage of the much higher economies of scale. Variations include two needles joined by a flow junction and one needle and a single cannula joined by a flow junction. In addition disclosed are methods of using a dual-lumen needle in a two needle access for blood treatment is disclosed in which at least venous flow is provided through a dual-lumen needle with arterial flow just sufficient to provide air infiltration detection in the event of withdrawal of the dual-lumen needle.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: August 27, 2019
    Assignee: Nxstage Medical, Inc.
    Inventors: Joseph E. Turk, Jr., Jeffrey H. Burbank, James M. Brugger
  • Patent number: 10390993
    Abstract: An apparatus having an inserter device with a shaft disposed in an interior space and an intraocular implant adapted to self-retain to an inner wall of Schlemm's canal. The intraocular implant has a proximal portion sized and shaped to reside within an anterior chamber of the eye, the proximal portion having a proximal opening; a distal portion sized and shaped to reside within Schlemm's canal of the eye, the distal portion having a distal opening, and a passageway extending in a straight line from the proximal opening to the distal opening to conduct fluid from the anterior chamber to Schlemm's canal. The shaft of the inserter device is adapted to advance the intraocular implant out of the interior space and through an inner wall of Schlemm's canal.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: August 27, 2019
    Assignee: IVANTIS, INC.
    Inventor: Michael S. Berlin
  • Patent number: 10363199
    Abstract: A syringe adapter is used for connecting a dosing syringe to a container in order to take up a fluid. The syringe adapter has a fluid delivery channel for creating a flow connection between the inside of the container and the inside of the dosing syringe. At least one ventilation channel of the syringe adapter is used for creating an air connection between the inside of the container and the container surroundings. In at least one of the channels a non-return valve is arranged, which allows the passage of media in an open position and in a closed position closes the channel. This results in a syringe adapter which has improved handing and in particular provides sufficient dosing precision.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: July 30, 2019
    Assignee: Raumedic AG
    Inventors: Christoph Merhold, Tobias Festel, Sebastian Maag, Gero Eichelkraut, Bernd Spindler
  • Patent number: 10357637
    Abstract: A cannula assembly for applying a flow cannula for the introduction, circulation or diversion of flow media, in particular blood, in the human or animal body. The flow cannula has a main portion and a tip portion. The tip portion is elastic and, in a functional position, is configured to protrude in an arc shape at an angle from the main portion, and in an application position, is held in the direction of the longitudinal extent of the main portion by a guide device. The flow cannula may be fitted for the indication of pulmonary hypertension and pulmonary insufficiency. The one of more flow cannulas so connected to the heart, for example, through an incision of the jugular vein or subclavian vein may be connected, on the outside, to a membrane ventilator, such as a Novalung®, with oxygen supply and/or additional pump support.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: July 23, 2019
    Inventor: Walter Klepetko
  • Patent number: 10357385
    Abstract: A vascular graft having a sealing layer and a tapered length portion. The sealing layer provides the vascular graft with low bleed characteristics subsequent to a needle puncture such as with a dialysis needle or a suture needle. The sealing layer in the tapered length portion has varying wall thickness along the tapered length portion.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: July 23, 2019
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: Marc A. Schlaud, Timothy T. Stringer
  • Patent number: 10335314
    Abstract: An apparatus having an inserter device with a shaft disposed in an interior space and an intraocular implant adapted to self-retain to an inner wall of Schlemm's canal. The intraocular implant has a proximal portion sized and shaped to reside within an anterior chamber of the eye, the proximal portion having a proximal opening; a distal portion sized and shaped to reside within Schlemm's canal of the eye, the distal portion having a distal opening, and a passageway extending in a straight line from the proximal opening to the distal opening to conduct fluid from the anterior chamber to Schlemm's canal. The shaft of the inserter device is adapted to advance the intraocular implant out of the interior space and through an inner wall of Schlemm's canal.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: July 2, 2019
    Assignee: IVANTIS, INC.
    Inventor: Michael S. Berlin
  • Patent number: 10335586
    Abstract: A flow control clamp having a first member and a second member movable from a first open position to a second irreversibly closed position wherein flow through a tube associated with the clamp is irreversibly prevented and cannot be restored. Systems and methods using such clamps are also disclosed.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: July 2, 2019
    Assignee: Fenwal, Inc.
    Inventors: Jean-Marie Mathias, Gianni DiStefani