Patents by Inventor Andrew H. Cragg

Andrew H. Cragg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10178995
    Abstract: The present disclosure describes an occlusion device and methods of delivering the occlusion device. The occlusion device can include an expandable structure configured to move between an unexpanded configuration and an expanded configuration. The expandable structure can be configured to have an expansion ratio of at least about 5:1. Further, the occlusion device can be configured to prevent substantially all fluid from flowing past the occlusion device when the occlusion device is in the expanded configuration in the vessel.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: January 15, 2019
    Assignee: NeuVT Limited
    Inventors: Andrew H. Cragg, John Logan, Brett E. Naglreiter, Scott R. Arp, Alejandro Espinosa, Nicholas A. Green, Victor M. Gamez
  • Patent number: 10123803
    Abstract: Systems, methods, and devices for the treatment of acute ischemic stroke that provide immediate blood flow restoration to a vessel occluded by a clot and, after reestablishing blood flow, address the clot itself. Immediate blood flow restoration advantageously can facilitate natural lysis of the clot and also can reduce or obviate the concern for distal embolization due to fragmentation of the clot. Several embodiments of the invention provide for progressive, or modular, treatment based upon the nature of the clot. For example, the progressive treatment can include immediate restoration of blood flow, in-situ clot management, and/or clot removal depending on the particular circumstances of the treatment. The in-situ clot management can include, for example, lysis, maceration, and/or removal.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: November 13, 2018
    Assignee: COVIDIEN LP
    Inventors: David A. Ferrera, Andrew H. Cragg, John Fulkerson
  • Patent number: 10016211
    Abstract: Systems, methods, and devices for the treatment of acute ischemic stroke that provide immediate blood flow restoration to a vessel occluded by a clot and, after reestablishing blood flow, address the clot itself. Immediate blood flow restoration advantageously can facilitate natural lysis of the clot and also can reduce or obviate the concern for distal embolization due to fragmentation of the clot. Several embodiments of the invention provide for progressive, or modular, treatment based upon the nature of the clot. For example, the progressive treatment can include immediate restoration of blood flow, in-situ clot management, and/or clot removal depending on the particular circumstances of the treatment. The in-situ clot management can include, for example, lysis, maceration, and/or removal.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: July 10, 2018
    Assignee: COVIDIEN LP
    Inventors: David A. Ferrera, Andrew H. Cragg, John Fulkerson
  • Patent number: 10010328
    Abstract: A vascular occlusion device having an expandable frame that carries a membrane. The membrane can include a tubular portion configured to transition between an open configuration in which the tubular portion is configured to receive a guidewire and a closed configuration in which the tubular portion is configured to occlude blood flow.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: July 3, 2018
    Assignee: NeuVT Limited
    Inventors: Andrew H. Cragg, John Logan, Brett E. Naglreiter, Alejandro Espinosa
  • Patent number: 9962276
    Abstract: A gastric space filler device for treating obesity in a patient by reducing the stomach volume comprising an inflatable space filler and a safety element secured to the space filler, wherein the safety element yields a noticeable signal for causing removal of the space filler.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: May 8, 2018
    Assignee: ReShape Medical LLC
    Inventors: Rodolfo C. Quijano, Hosheng Tu, Andrew H. Cragg, Bobby Purkait
  • Publication number: 20180015254
    Abstract: An enhanced flexibility catheter shaft having an elongate flexible body with a proximal end, a distal end, and at least one lumen extending therethrough.
    Type: Application
    Filed: July 12, 2017
    Publication date: January 18, 2018
    Inventors: Andrew H. Cragg, John Logan, Scott Arp
  • Publication number: 20180015248
    Abstract: An enhanced flexibility catheter shaft having an elongate flexible body with a proximal end, a distal end, and at least one lumen extending therethrough.
    Type: Application
    Filed: July 24, 2017
    Publication date: January 18, 2018
    Inventors: John Logan, Stephen W. Anderson, Andrew H. Cragg
  • Patent number: 9848883
    Abstract: The present disclosure describes an occlusion device and methods of delivering the occlusion device. The occlusion device can include an expandable structure configured to move between an unexpanded configuration and an expanded configuration. The expandable structure can be configured to have an expansion ratio of at least about 5:1. Further, the occlusion device can be configured to prevent substantially all fluid from flowing past the occlusion device when the occlusion device is in the expanded configuration in the vessel.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: December 26, 2017
    Assignee: EMBA Medical Limited
    Inventors: Andrew H. Cragg, John Logan, Brett E. Naglreiter, Scott R. Arp, Alejandro Espinosa, Nicholas A. Green, Victor M. Gamez
  • Patent number: 9737426
    Abstract: Modular endograft devices and associated systems and methods are disclosed herein. In several embodiments, an endograft system can include constrained first and second endograft devices that extend across a vascular defect and expanded to press mating septal walls against each other. At least one of the endograft devices can include a fenestration that is aligned with a renal artery to provide bloodflow to the artery. A delivery device configured in accordance with the present technology can include a guidewire that passes through the fenestration to guide the endograft to an implant site and self align the fenestration with the renal artery to facilitate connection of the endograft to the renal artery. An additional stent can be connected to the fenestration to secure the renal artery to the endograft device.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: August 22, 2017
    Assignee: Altura Medical, Inc.
    Inventors: Andrew H. Cragg, John Logan
  • Patent number: 9681876
    Abstract: The present disclosure describes an occlusion device and methods of delivering the occlusion device. The occlusion device can include an expandable structure configured to move between an unexpanded configuration and an expanded configuration. The expandable structure can be configured to have an expansion ratio of at least about 5:1. Further, the occlusion device can be configured to prevent substantially all fluid from flowing past the occlusion device when the occlusion device is in the expanded configuration in the vessel.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: June 20, 2017
    Assignee: Emba Medical Limited
    Inventors: Andrew H. Cragg, John Logan, Brett E. Naglreiter, Scott R. Arp, Alejandro Espinosa, Nicholas A. Green, Victor M. Gamez
  • Publication number: 20170086854
    Abstract: A neurovascular occlusion device for occluding a vessel and a delivery system for delivering the occlusion device. The occlusion device can include a self-expandable support structure defining a concave occlusive component and an anchoring component separated by a neck component. The occlusive component can carry a functionally occlusive membrane configured to prevent substantially all fluid from flowing past the occlusion device when the occlusion device is expanded in the vessel.
    Type: Application
    Filed: September 22, 2016
    Publication date: March 30, 2017
    Inventors: Andrew H. Cragg, John Logan, Brett E. Naglreiter, Alejandro Espinosa
  • Patent number: 9572652
    Abstract: Modular endograft devices and associated systems and methods are disclosed herein. In several embodiments, an endograft system can include a first endograft device and a second endograft device that each include an integrated frame, a cover and a lumen within the cover. Each endograft device further includes a superior portion and an inferior portion. The superior portion can have a convexly curved outer wall and a septal wall. The first and second endograft devices can be configured to extend into a low-profile configuration with a first cross-sectional dimension and a first length and self-expand into an expanded configuration with a second cross-sectional dimension greater than the first cross-sectional dimension and a second length less than the first length. In the expanded configuration, the septal walls can press against each other and form a septum between the lumens of the first and second endograft devices.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: February 21, 2017
    Assignee: Altura Medical, Inc.
    Inventors: Andrew H. Cragg, Stephen Sosnowski, Isa Rizk, John Fulkerson, John Logan
  • Publication number: 20170020555
    Abstract: Systems, methods, and devices for the treatment of acute ischemic stroke that provide immediate blood flow restoration to a vessel occluded by a clot and, after reestablishing blood flow, address the clot itself. Immediate blood flow restoration advantageously can facilitate natural lysis of the clot and also can reduce or obviate the concern for distal embolization due to fragmentation of the clot. Several embodiments of the invention provide for progressive, or modular, treatment based upon the nature of the clot. For example, the progressive treatment can include immediate restoration of blood flow, in-situ clot management, and/or clot removal depending on the particular circumstances of the treatment. The in-situ clot management can include, for example, lysis, maceration, and/or removal.
    Type: Application
    Filed: April 25, 2016
    Publication date: January 26, 2017
    Inventors: David A. Ferrera, Andrew H. Cragg, John Fulkerson
  • Publication number: 20160262769
    Abstract: The present disclosure describes an occlusion device and methods of delivering the occlusion device. The occlusion device can include an expandable structure configured to move between an unexpanded configuration and an expanded configuration. The expandable structure can be configured to have an expansion ratio of at least about 5:1. Further, the occlusion device can be configured to prevent substantially all fluid from flowing past the occlusion device when the occlusion device is in the expanded configuration in the vessel.
    Type: Application
    Filed: May 20, 2016
    Publication date: September 15, 2016
    Inventors: Andrew H. Cragg, John Logan, Brett E. Naglreiter, Scott R. Arp, Alejandro Espinosa, Nicholas A. Green, Victor M. Gamez
  • Patent number: 9387098
    Abstract: Systems, methods, and devices for the treatment of acute ischemic stroke that provide immediate blood flow restoration to a vessel occluded by a clot and, after reestablishing blood flow, address the clot itself. Immediate blood flow restoration advantageously can facilitate natural lysis of the clot and also can reduce or obviate the concern for distal embolization due to fragmentation of the clot. Several embodiments of the invention provide for progressive, or modular, treatment based upon the nature of the clot. For example, the progressive treatment can comprise a three-step progressive treatment process that includes immediate restoration of blood flow, in-situ clot management, and/or clot removal depending on the particular circumstances of the treatment. The in-situ clot management can include, for example, lysis and maceration. The progressive, or modular, treatment can be provided by a system or kit of one or more treatment devices.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: July 12, 2016
    Assignee: COVIDIEN LP
    Inventors: David A. Ferrera, Andrew H. Cragg, John Fulkerson
  • Patent number: 9358014
    Abstract: A liquid embolic delivery system is provided for trapping an injected liquid embolic composition to prevent the liquid embolic from solidifying or otherwise passing outside of an embolization area. The delivery system includes a catheter for delivery of a liquid embolic composition and a containment member positioned at a distal end of the catheter which is shaped to trap the liquid embolic composition delivered through the lumen of the catheter. The containment member is formed as a brush, nest, sponge, swab, flexible sack, or other shape into and around which the liquid embolic composition is injected. The liquid embolic composition is trapped or meshes with the containment member during solidification containing the liquid embolic and preventing the embolic composition from passing into the blood stream.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: June 7, 2016
    Assignee: Covidien LP
    Inventors: Andrew H. Cragg, Blair D. Walker, John Perl, II, Michael Jones, George Robert Greene, George Wallace, Richard J. Greff
  • Patent number: 9333318
    Abstract: A system for treating a patient suffering from obstructive sleep apnea may include a mask, a portable air flow generator configured to generate air flow at a relatively low flow rate, and a tube connecting the air flow generator and the mask such that air flow from the generator passes through an air flow generator valve on the mask. The mask may include a contact surface for forming a seal between the mask and the patient's face such that the mask surrounds the patient's nostrils, an expiration valve that opens during expiration, and an air flow generator valve that opens during inspiration. In some embodiments, the mask may further include an inspiration valve that opens during inspiration to allow air from outside the system to enter the mask.
    Type: Grant
    Filed: April 11, 2013
    Date of Patent: May 10, 2016
    Assignee: FRESCA Medical, Inc.
    Inventors: Andrew H. Cragg, John Logan, John Trusheim, John Nolting, Eugene Chen, Mark Adler
  • Publication number: 20160030052
    Abstract: A vascular occlusion device having an expandable frame that carries a membrane. The membrane can include a tubular portion configured to transition between an open configuration in which the tubular portion is configured to receive a guidewire and a closed configuration in which the tubular portion is configured to occlude blood flow.
    Type: Application
    Filed: October 9, 2015
    Publication date: February 4, 2016
    Inventors: Andrew H. Cragg, John Logan, Brett E. Naglreiter, Alejandro Espinosa
  • Publication number: 20150265394
    Abstract: Methods and devices with two individual tubes for treating abdominal aortic aneurysm that bypass the aneurysm and are placed from the upper aorta to the iliac arteries. A separate upper cuff may also be provided, to secure the tubes above the aneurysm.
    Type: Application
    Filed: December 16, 2014
    Publication date: September 24, 2015
    Inventors: Andrew H. Cragg, Rodolfo C. Quijano, Hosheng Tu, Stephen Sosnowski, Robert J. Socci, JR., George Wallace
  • Publication number: 20150190141
    Abstract: The present disclosure describes an occlusion device and methods of delivering the occlusion device. The occlusion device can include an expandable structure configured to move between an unexpanded configuration and an expanded configuration. The occlusion device is configured such that arterial blood pressure enhances both sealing with the vessel wall and anchoring against migration. The expandable structure can be configured to have an expansion ratio of at least about 5:1. Further, the occlusion device can be configured to mechanically prevent substantially all fluid from flowing past the occlusion device when the occlusion device is in the expanded configuration in the vessel.
    Type: Application
    Filed: March 18, 2015
    Publication date: July 9, 2015
    Inventors: Andrew H. Cragg, John Logan, Brett E. Naglreiter, Scott R. Arp, Alejandro Espinosa, Nicholas A. Green, Victor M. Gamez