Patents Assigned to Rex Medical
  • CUTTING WIRE ASSEMBLY FOR USE WITH A CATHETER
    Publication number: 20140155920
    Abstract: A method of treating a lesion in a body lumen to enlarge a passageway in the lumen including inserting a cutting member and tracking member through a first lumen of a catheter, withdrawing the catheter from the cutting member and tracking member, inserting the catheter over the tracking member and leaving the cutting member outside the catheter, and expanding a portion of the catheter to move the cutting member into cutting contact with the lesion. A device for treating a lesion in a body lumen including a cutting member and tracking member is also provided.
    Type: Application
    Filed: February 9, 2014
    Publication date: June 5, 2014
    Applicant: Rex Medical L.P.
    Inventors: Israel Schur, James F. McGuckin, JR., James Erich Bressler
  • Closure device for left atrial appendage
    Patent number: 8740934
    Abstract: A device for closing a left atrial appendage of a patient comprising a containment member having a first configuration for passage into the left atrial appendage and a second larger configuration, and a wire movable into the containment member in situ to expand the containment member in the left atrial appendage to the second configuration.
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: June 3, 2014
    Assignee: Rex Medical, L.P.
    Inventor: James F. McGuckin, Jr.
  • ROTATIONAL THROMBECTOMY WIRE
    Publication number: 20140148831
    Abstract: A rotational thrombectomy wire for breaking up vascular thrombus or other obstructive material having a core having a proximal portion and a distal portion. The distal portion has a smaller diameter than the proximal portion. A cable extends distally of the core. The cable has a first covering material positioned external thereof. A first coil is attached to a distal portion of the cable and has a diameter larger than a diameter of the cable and has a second covering material positioned thereover. The wire is rotatable by a motor.
    Type: Application
    Filed: February 1, 2014
    Publication date: May 29, 2014
    Applicant: Rex Medical L.P.
    Inventors: Marc-Alan Levine, Michael Leedle, John D. Leedle
  • VASCULAR HOLE CLOSURE DEVICE
    Publication number: 20140142622
    Abstract: A device for closing an aperture in a vessel wall comprising an elongated member having a longitudinal axis and positionable inside the vessel against the internal opening of the aperture. The elongated member has a dimension to prevent egress of fluid through the aperture. A material forms two curved legs having ends positionable external of the vessel. The legs curve in different directions and a retention portion is formed in the material to retain the legs during placement of the elongated member inside the vessel.
    Type: Application
    Filed: November 17, 2013
    Publication date: May 22, 2014
    Applicant: Rex Medical, L.P.
    Inventors: Richard T. Briganti, James F. McGuckin, JR., Walter H. Peters, James S. Tarmin, Stephan A. DeFonzo
  • Vessel filter
    Patent number: 8715313
    Abstract: A vessel filter movable between a collapsed position for delivery to the vessel and an expanded position for placement within the vessel. The first region has a filter portion having a converging region to direct particles toward the center of the filter, the first region including a plurality of spaced apart elongated struts and a plurality of connecting struts extending at an angle from the elongated struts. The second region is flared in the expanded position to have a transverse dimension increasing toward a second end portion opposite the filter portion, the second region including a plurality of vessel engaging hooks. The hooks have a heel portion and a vessel penetrating portion, the vessel penetrating portion having a plurality of teeth and the heel portion extending further from the caudal end than the penetrating portion.
    Type: Grant
    Filed: July 9, 2009
    Date of Patent: May 6, 2014
    Assignee: Rex Medical L.P.
    Inventors: James Erich Bressler, David M. Schaller, James F. McGuckin, Jr.
  • Cutting wire assembly for use with a catheter
    Patent number: 8702736
    Abstract: A method of treating a lesion in a body lumen to enlarge a passageway in the lumen including providing a cutting member, connecting a tracking member to the cutting member to form an assembly, inserting the connected cutting member and tracking member through a first lumen of a catheter, withdrawing the catheter from the cutting member and tracking member, inserting the catheter over the tracking member and leaving the cutting member outside the catheter, and expanding a portion of the catheter to move the cutting member into cutting contact with the lesion. A device for treating a lesion in a body lumen including a cutting member having a coupler to connect a tracking member is also provided.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: April 22, 2014
    Assignee: Rex Medical L.P.
    Inventors: Israel Schur, James F. McGuckin, Jr., James Erich Bressler
  • Fallopian tube occlusion device
    Patent number: 8695605
    Abstract: A device for occluding the fallopian tube including a wire composed of a shape memory material and an outer material encapsulating at least a portion of the wire. The device has a first elongated configuration for delivery and a second configuration for placement. In the second configuration, the wire moves toward its shape memory position and has a U-shape defined by a curved portion and first and second leg portions extending from the curved portion, the first and second leg portions extending downwardly from the curved portion and laterally outwardly.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: April 15, 2014
    Assignee: Rex Medical, L.P.
    Inventor: James F. McGuckin, Jr.
  • Vein filter
    Patent number: 8696700
    Abstract: A vessel filter comprising a first region and a second region wherein the filter is movable between a collapsed position for delivery to the vessel and an expanded position for placement within the vessel. A first region has a filter portion having a converging region at a first end portion to direct particles toward the center of the filter and the second region is flared in the expanded position to have a transverse dimension increasing toward a second end portion opposite the first end portion. The second region includes a vessel engaging portion at the second end portion. The second region includes a plurality of spaced apart struts with adjacent struts being joined.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: April 15, 2014
    Assignee: Rex Medical L.P.
    Inventors: James F. McGuckin, Jr., John H. Thinnes
  • DIALYSIS CATHETER
    Publication number: 20140100509
    Abstract: A dialysis catheter including a first portion having an outer wall having a first diameter, an elongated distal portion having a second diameter smaller than the first diameter, and a transition region between the first portion and distal portion. A first longitudinally extending venous lumen is configured to deliver blood. First and second independent longitudinally extending arterial lumens are configured to withdraw blood from a patient. The venous lumen and arterial lumen have first and second regions each positioned a first distance from the outer wall of the catheter and a third region positioned a second shorter distance from the outer wall of the catheter to form an arch shaped wall portion progressively increasing in thickness from the third region toward the first region and from the third region to the second region.
    Type: Application
    Filed: November 9, 2013
    Publication date: April 10, 2014
    Applicant: Rex Medical, L.P.
    Inventor: Stephan A. DeFonzo
  • Cutting wire assembly for use with a catheter
    Patent number: 8685050
    Abstract: A method of treating a lesion in a body lumen to enlarge a passageway in the lumen including inserting a cutting member and tracking member through a first lumen of a catheter, withdrawing the catheter from the cutting member and tracking member, inserting the catheter over the tracking member and leaving the cutting member outside the catheter, and expanding a portion of the catheter to move the cutting member into cutting contact with the lesion. A device for treating a lesion in a body lumen including a cutting member and tracking member is also provided.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: April 1, 2014
    Assignee: Rex Medical L.P.
    Inventors: Israel Schur, James F. McGuckin, Jr., James Erich Bressler
  • Cutting wire assembly for use with a catheter
    Patent number: 8685049
    Abstract: A method of treating a lesion in a body lumen to enlarge a passageway in the lumen including inserting a plurality of cutting members and a tracking member through a first lumen of a catheter, withdrawing the catheter from the cutting members and tracking member, inserting the catheter over the tracking member and leaving the cutting members outside the catheter, and expanding a portion of the catheter to move the cutting members into cutting contact with the lesion. A device for treating a lesion in a body lumen including a plurality of cutting members and a tracking member is also provided.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: April 1, 2014
    Assignee: Rex Medical L.P.
    Inventors: Israel Schur, James F. McGuckin, Jr., James Erich Bressler
  • Distal protection device
    Patent number: 8679148
    Abstract: A distal protection device comprising a catheter having a first strut movable from a collapsed configuration to an expanded configuration having a first dimension and a second strut movable from a collapsed configuration to an expanded configuration having a second dimension larger than the first dimension. Movement of the first strut deploys filter material to a first position having a first deployed dimension and movement of the second strut to a first position deploys filter material to a second deployed dimension larger than the first expanded dimension.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: March 25, 2014
    Assignee: Rex Medical, L.P.
    Inventors: James F. McGuckin, Jr., Marc-Alan Levine, James Erich Bressler
  • Vascular device with valve for approximating vessel wall
    Patent number: 8668730
    Abstract: A vascular device comprising a plurality of vessel engaging members and a valve. The device is movable from a collapsed insertion position having a first diameter to a second expanded position having a second diameter larger than the first diameter. The plurality of vessel engaging members extend outwardly from the device for securely engaging the internal wall of a vessel upon expansion of the device to the second expanded position, wherein the vessel engaging members pull the internal wall of the vessel radially inwardly upon movement of the device from the second expanded position toward a first expanded position having a third diameter greater than the first diameter and less than the second diameter. In the first expanded position the valve is movable between an open position to allow blood flow therethrough to a closed position to prevent blood flow.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: March 11, 2014
    Assignee: Rex Medical L.P.
    Inventors: James F. McGuckin, Jr., Peter W. J. Hinchliffe
  • VESSEL FILTER
    Publication number: 20140066972
    Abstract: A vessel filter having a first region and a second region, the filter movable between a collapsed position for delivery to the vessel and an expanded position for placement within the vessel. The first region has a filter portion having a converging region to direct particles toward the center of the filter and includes a plurality of spaced apart filter struts. The struts each have a strut height defined as a distance between a first wall and a second wall. A plurality of hooks are at the second region, the hooks having a vessel penetrating tip and a width greater than the width of the strut from which it extends such that the penetrating tip portion of the hook extends beyond the first wall.
    Type: Application
    Filed: November 9, 2013
    Publication date: March 6, 2014
    Applicant: Rex Medical, L.P.
    Inventors: James F. McGuckin, JR., James E. Bressler, John H. Thinnes, JR., Stephen A. DeFonzo, Lindsay L. Carter
  • VESSEL FILTER
    Publication number: 20140066971
    Abstract: A method of removing an implanted vessel filter by a femoral approach comprising the steps of providing a catheter with a curved tip, inserting a straightening device into the catheter to move the catheter tip from a curved position to a more straightened position, advancing the catheter tip through the femoral vein and past a cranial end of the filter, withdrawing the straightening device to enable the catheter tip to return to the curved condition, and inserting a filter grasping device though the catheter and a curved catheter tip to exit a distal portion to grasp the filter.
    Type: Application
    Filed: September 8, 2013
    Publication date: March 6, 2014
    Applicant: Rex Medical, L.P.
    Inventors: James Erich Bressler, David M. Schaller, James F. McGuckin
  • Rotational thrombectomy wire
    Patent number: 8663259
    Abstract: A rotational thrombectomy wire for breaking up vascular thrombus or other obstructive material having a core having a proximal portion and a distal portion. The distal portion has a smaller diameter than the proximal portion. A cable extends distally of the core. The cable has a first covering material positioned external thereof. A first coil is attached to a distal portion of the cable and has a diameter larger than a diameter of the cable and has a second covering material positioned thereover. The wire is rotatable by a motor.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: March 4, 2014
    Assignee: Rex Medical L.P.
    Inventors: Marc-Alan Levine, Michael Leedle, John D. Leedle
  • HOLLOW CURVED SUPERELASTIC MEDICAL NEEDLE AND METHOD
    Publication number: 20140058355
    Abstract: A needle assembly 10 compromising an infusion needle 11 that includes a needle cannula 13 made of a superelastic material such as Nitinol. The needle cannula is cold-worked or heat annealed to produce a preformed bend 16 that can be straightened within passageway 21 of a coaxial outer cannula 12 for introduction into the body of a patient. Upon deployment from the outer cannula, the needle cannula substantially returns to the preformed configuration for the introduction or extraction of materials at areas lateral to the entry path of the needle assembly. The needle assembly can compromise a plurality of needle cannulae than can be variably arranged or configured for attaining a desired infusion pattern.
    Type: Application
    Filed: November 3, 2013
    Publication date: February 27, 2014
    Applicant: Rex Medical L.P.
    Inventor: James F. McGuckin
  • Vascular hole closure device
    Patent number: 8597324
    Abstract: A device for closing an aperture in a vessel wall comprising an elongated member having a longitudinal axis and positionable inside the vessel against the internal opening of the aperture. The elongated member has a dimension to prevent egress of fluid through the aperture. A material forms two curved legs having ends positionable external of the vessel. The legs curve in different directions and a retention portion is formed in the material to retain the legs during placement of the elongated member inside the vessel.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: December 3, 2013
    Assignee: Rex Medical L.P.
    Inventors: Richard T. Briganti, James F. McGuckin, Jr., Walter H. Peters, James S. Tarmin, Stephan A. DeFonzo
  • Dialysis catheter
    Patent number: 8591450
    Abstract: A dialysis catheter including a first portion having an outer wall having a first diameter, an elongated distal portion having a second diameter smaller than the first diameter, and a transition region between the first portion and distal portion. A first longitudinally extending venous lumen is configured to deliver blood. First and second independent longitudinally extending arterial lumens are configured to withdraw blood from a patient. The venous lumen and arterial lumen have first and second regions each positioned a first distance from the outer wall of the catheter and a third region positioned a second shorter distance from the outer wall of the catheter to form an arch shaped wall portion progressively increasing in thickness from the third region toward the first region and from the third region to the second region.
    Type: Grant
    Filed: May 16, 2011
    Date of Patent: November 26, 2013
    Assignee: Rex Medical L.P.
    Inventor: Stephan A. DeFonzo
  • Vein filter
    Patent number: 8591541
    Abstract: A vessel filter having a first region and a second region, the filter movable between a collapsed position for delivery to the vessel and an expanded position for placement within the vessel. The first region has a filter portion having a converging region to direct particles toward the center of the filter and includes a plurality of spaced apart filter struts. The struts each have a strut height defined as a distance between a first wall and a second wall. A plurality of hooks are at the second region, the hooks having a vessel penetrating tip and a width greater than the width of the strut from which it extends such that the penetrating tip portion of the hook extends beyond the first wall.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: November 26, 2013
    Assignee: Rex Medical L.P.
    Inventors: James F. McGuckin, Jr., James E. Bressler, John H. Thinnes, Jr., Stephen A. DeFonzo, Lindsay L. Carter