Patents by Inventor Christopher Andrews

Christopher Andrews 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: 12443531
    Abstract: A method for optimizing cache reuse in a computational system involves assigning unique identifiers to various Tweaks that affect computational outcomes and injecting Nodes with fields that form a bitmask representing these Tweak dependencies. During execution, the system tracks and updates each Node's dependency information, adjusts the cache key based on the actual Tweak dependencies identified, and stores a proxy in the cache for each executed Node within a Scenario. This proxy enables efficient cache reuse by matching with other Scenarios that share overlapping Tweak dependencies.
    Type: Grant
    Filed: December 19, 2024
    Date of Patent: October 14, 2025
    Assignee: MORGAN STANLEY SERVICES GROUP INC.
    Inventors: Dmitry Zaslavsky, Gjeta Gjyshinca, Christopher Andrews
  • Publication number: 20250280064
    Abstract: A portable enclosure for cell phones and electronic devices that provides a sun shade while allowing the transmission of sound there from. The enclosure defines a rectangular shape with a hinge top portion having a deployable sound shade and support panels there within. During use, the hinge top portion is open allowing the placement of a cell phone within the base portion and the sound transmission and support panels hinge from the top portion forming a shade enclosure that contains and direct sound thought the sound panel. Selective access is achieved by lifting the hinge sound transmission and shade panel.
    Type: Application
    Filed: March 4, 2024
    Publication date: September 4, 2025
    Inventor: Christopher Andrews
  • Patent number: 12295784
    Abstract: A mixed reality (MR) visualization system includes an MR device comprising a holographic display configured to display a holographic image to an operator, a hand-held ultrasound imaging device configured to obtain a real-time ultrasound image of a subject's anatomy, and a computing device communicatively coupled to the MR device and the hand-held ultrasound imaging device. The computing device includes a non-volatile memory and a processor. The computing device is configured to receive the real-time ultrasound image, determine a real-time 3D position and orientation of the hand-held ultrasound imaging device, generate a modified real-time ultrasound image by modifying the real-time ultrasound image to correspond to the real-time 3D position and orientation of the hand-held ultrasound imaging device, and transmit the modified real-time ultrasound image to the MR device for display as the holographic image positioned at a predetermined location relative to the hand-held ultrasound imaging device.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: May 13, 2025
    Assignee: Washington University
    Inventors: Jonathan Silva, Christopher Andrews, Jennifer Silva, Zahid Iqbal
  • Patent number: 12279775
    Abstract: Devices, systems, and methods for treating vascular defects are disclosed herein. One aspect of the present technology, for example, is directed toward an occlusive device comprising a coil having a proximal end, a distal end, and a longitudinal axis extending therebetween. The coil may be formed of an elongated member wound about the longitudinal axis of the coil in a series of contiguous loops, wherein each of the loops extend around the longitudinal axis between a first end and a second end. The second end may be disposed at generally the same angular position as the first end about to the longitudinal axis of the coil. The elongated member may undulate along its longitudinal axis between the first and second ends of at least some of the individual loops.
    Type: Grant
    Filed: November 2, 2023
    Date of Patent: April 22, 2025
    Assignee: COVIDIEN LP
    Inventors: Christopher Andrews, Etelvina Rivas, Hieu Dang
  • Publication number: 20250090185
    Abstract: Retrieval of material from vessel lumens can be improved by electrically enhancing attachment of the material to the removal device. The removal device can have a core assembly that includes a hypotube coupled to a first electrical terminal and a pushwire coupled to a second electrical terminal, the pushwire extending through the hypotube lumen. An insulating layer separates the hypotube and the pushwire, and an interventional element is coupled to a distal end of the pushwire. The interventional element can be disposed adjacent to a thrombus. An electrical signal is delivered to the interventional element to promote adhesion of the thrombus to the interventional element. The electrical signal can optionally be a periodic waveform, and the total energy delivered can be between 0.75-24,000 mJ and the peak current delivered via the electrical signal can be between 0.5-5 mA.
    Type: Application
    Filed: October 30, 2024
    Publication date: March 20, 2025
    Inventors: Gaurav Girdhar, Hoai Nguyen, Andyanhdzung Huynh, Ashok Nageswaran, Christopher Andrews
  • Patent number: 12144517
    Abstract: Retrieval of material from vessel lumens can be improved by electrically enhancing attachment of the material to the removal device. The removal device can have a core assembly that includes a hypotube coupled to a first electrical terminal and a pushwire coupled to a second electrical terminal, the pushwire extending through the hypotube lumen. An insulating layer separates the hypotube and the pushwire, and an interventional element is coupled to a distal end of the pushwire. The interventional element can be disposed adjacent to a thrombus. An electrical signal is delivered to the interventional element to promote adhesion of the thrombus to the interventional element. The electrical signal can optionally be a periodic waveform, and the total energy delivered can be between 0.75-24,000 mJ and the peak current delivered via the electrical signal can be between 0.5-5 mA.
    Type: Grant
    Filed: November 9, 2023
    Date of Patent: November 19, 2024
    Assignee: COVIDIEN LP
    Inventors: Gaurav Girdhar, Hoai Nguyen, Andyanhdzung Huynh, Ashok Nageswaran, Christopher Andrews
  • Patent number: 11931041
    Abstract: Devices, systems, and methods for treating vascular defects are disclosed herein. One aspect of the present technology, for example, includes an occlusive device comprising a mesh having a low-profile state for intravascular delivery to the aneurysm and a deployed state, the mesh comprising a first end portion, a second end portion, and a length extending between the first and second end portions, and a first lateral edge, a second lateral edge, and a width extending between the first and second lateral edges. The mesh may have a predetermined shape in the deployed state in which (a) the mesh is curved along its width, (b) the mesh is curved along its length, and (c) the mesh has an undulating contour across at least a portion of one or both of its length or its width. The mesh is configured to be positioned within the aneurysm in the deployed state such that the mesh extends over the neck of the aneurysm.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: March 19, 2024
    Assignee: Covidien LP
    Inventors: Gregory Hamel, Patrick Quinn, Arturo Rosqueta, Stephen Sosnowski, Christopher Andrews, Hieu Dang, Dinh Nguyen, Robert Pecor, Minh Q. Dinh, Ahramahzd Tatavoosian
  • Publication number: 20240074772
    Abstract: Retrieval of material from vessel lumens can be improved by electrically enhancing attachment of the material to the removal device. The removal device can have a core assembly that includes a hypotube coupled to a first electrical terminal and a pushwire coupled to a second electrical terminal, the pushwire extending through the hypotube lumen. An insulating layer separates the hypotube and the pushwire, and an interventional element is coupled to a distal end of the pushwire. The interventional element can be disposed adjacent to a thrombus. An electrical signal is delivered to the interventional element to promote adhesion of the thrombus to the interventional element. The electrical signal can optionally be a periodic waveform, and the total energy delivered can be between 0.75-24,000 mJ and the peak current delivered via the electrical signal can be between 0.5-5 mA.
    Type: Application
    Filed: November 9, 2023
    Publication date: March 7, 2024
    Inventors: Gaurav Girdhar, Hoai Nguyen, Andyanhdzung Huynh, Ashok Nageswaran, Christopher Andrews
  • Publication number: 20240058011
    Abstract: Devices, systems, and methods for treating vascular defects are disclosed herein. One aspect of the present technology, for example, is directed toward an occlusive device comprising a coil having a proximal end, a distal end, and a longitudinal axis extending therebetween. The coil may be formed of an elongated member wound about the longitudinal axis of the coil in a series of contiguous loops, wherein each of the loops extend around the longitudinal axis between a first end and a second end. The second end may be disposed at generally the same angular position as the first end about to the longitudinal axis of the coil. The elongated member may undulate along its longitudinal axis between the first and second ends of at least some of the individual loops.
    Type: Application
    Filed: November 2, 2023
    Publication date: February 22, 2024
    Inventors: Christopher Andrews, Etelvina Rivas, Hieu Dang
  • Patent number: 11832836
    Abstract: Retrieval of material from vessel lumens can be improved by electrically enhancing attachment of the material to the removal device. The removal device can have a core assembly that includes a hypotube coupled to a first electrical terminal and a pushwire coupled to a second electrical terminal, the pushwire extending through the hypotube lumen. An insulating layer separates the hypotube and the pushwire, and an interventional element is coupled to a distal end of the pushwire. The interventional element can be disposed adjacent to a thrombus. An electrical signal is delivered to the interventional element to promote adhesion of the thrombus to the interventional element. The electrical signal can optionally be a periodic waveform, and the total energy delivered can be between 0.75-24,000 mJ and the peak current delivered via the electrical signal can be between 0.5-5 mA.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: December 5, 2023
    Assignee: COVIDIEN LP
    Inventors: Gaurav Girdhar, Hoai Nguyen, Andyanhdzung Huynh, Ashok Nageswaran, Christopher Andrews
  • Patent number: 11812967
    Abstract: Devices, systems, and methods for treating vascular defects are disclosed herein. One aspect of the present technology, for example, is directed toward an occlusive device comprising a coil having a proximal end, a distal end, and a longitudinal axis extending therebetween. The coil may be formed of an elongated member wound about the longitudinal axis of the coil in a series of contiguous loops, wherein each of the loops extend around the longitudinal axis between a first end and a second end. The second end may be disposed at generally the same angular position as the first end about to the longitudinal axis of the coil. The elongated member may undulate along its longitudinal axis between the first and second ends of at least some of the individual loops.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: November 14, 2023
    Assignee: COVIDIEN LP
    Inventors: Christopher Andrews, Etelvina Rivas, Hieu Dang
  • Publication number: 20230338036
    Abstract: Devices, systems, and methods for treating vascular defects are disclosed herein. One aspect of the present technology, for example, includes an occlusive device comprising a mesh having a low-profile state for intravascular delivery to the aneurysm and a deployed state, the mesh comprising a first end portion, a second end portion, and a length extending between the first and second end portions, and a first lateral edge, a second lateral edge, and a width extending between the first and second lateral edges. The mesh may have a predetermined shape in the deployed state in which (a) the mesh is curved along its width, (b) the mesh is curved along its length, and (c) the mesh has an undulating contour across at least a portion of one or both of its length or its width. The mesh is configured to be positioned within the aneurysm in the deployed state such that the mesh extends over the neck of the aneurysm.
    Type: Application
    Filed: June 28, 2023
    Publication date: October 26, 2023
    Inventors: Gregory Hamel, Patrick Quinn, Arturo Rosqueta, Stephen Sosnowski, Christopher Andrews, Hieu Dang, Dinh Nguyen, Robert Pecor, Minh Q. Dinh, Ahramahzd Tatavoosian
  • Patent number: 11793523
    Abstract: Devices, systems, and methods for treating vascular defects are disclosed herein. One aspect of the present technology, for example, is directed toward an occlusive device having a distal end, a proximal end, and a longitudinal axis extending therebetween. The occlusive device may comprise an elongated member wound about the longitudinal axis to form a series of loops, wherein along at least some of the loops, the elongated member includes a first peak and a second peak axially offset from the first peak, the first peak being axially between the second peak and the proximal end. The first peak may be convex towards the distal end, and the second peak may be convex towards the proximal end.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: October 24, 2023
    Assignee: COVIDIEN LP
    Inventors: Christopher Andrews, Etelvina Rivas, Hieu Dang
  • Patent number: 11730485
    Abstract: Devices, systems, and methods for treating vascular defects are disclosed herein. One aspect of the present technology, for example, includes an occlusive device comprising a mesh having a low-profile state for intravascular delivery to the aneurysm and a deployed state, the mesh comprising a first end portion, a second end portion, and a length extending between the first and second end portions, and a first lateral edge, a second lateral edge, and a width extending between the first and second lateral edges. The mesh may have a predetermined shape in the deployed state in which (a) the mesh is curved along its width, (b) the mesh is curved along its length, and (c) the mesh has an undulating contour across at least a portion of one or both of its length or its width. The mesh is configured to be positioned within the aneurysm in the deployed state such that the mesh extends over the neck of the aneurysm.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: August 22, 2023
    Assignee: COVIDIEN LP
    Inventors: Gregory Hamel, Patrick Quinn, Arturo Rosqueta, Stephen Sosnowski, Christopher Andrews, Hieu Dang, Dinh Nguyen, Robert Pecor, Minh Q. Dinh, Ahramahzd Tatavoosian
  • Patent number: 11678887
    Abstract: Devices, systems, and methods for treating vascular defects are disclosed herein. One aspect of the present technology, for example, includes an occlusive device comprising a mesh having a low-profile state for intravascular delivery to the aneurysm and a deployed state, the mesh comprising a first end portion, a second end portion, and a length extending between the first and second end portions, and a first lateral edge, a second lateral edge, and a width extending between the first and second lateral edges. The mesh may have a predetermined shape in the deployed state in which (a) the mesh is curved along its width, (b) the mesh is curved along its length, and (c) the mesh has an undulating contour across at least a portion of one or both of its length or its width. The mesh is configured to be positioned within the aneurysm in the deployed state such that the mesh extends over the neck of the aneurysm.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: June 20, 2023
    Assignee: COVIDIEN LP
    Inventors: Gregory Hamel, Patrick Quinn, Arturo Rosqueta, Stephen Sosnowski, Christopher Andrews, Hieu Dang, Dinh Nguyen, Robert Pecor, Minh Q. Dinh, Ahramahzd Tatavoosian
  • Patent number: 11633201
    Abstract: Retrieval of material from vessel lumens can be improved by electrically enhancing attachment of the material to the removal device. The removal device can have a core assembly that includes a hypotube coupled to a first electrical terminal and a pushwire coupled to a second electrical terminal, the pushwire extending through the hypotube lumen. An insulating layer separates the hypotube and the pushwire, and an interventional element is coupled to a distal end of the pushwire. The interventional element can be disposed adjacent to a thrombus. An electrical signal is delivered to the interventional element to promote adhesion of the thrombus to the interventional element. The electrical signal can optionally be a periodic waveform, and the total energy delivered can be between 0.75-24,000 mJ and the peak current delivered via the electrical signal can be between 0.5-5 mA.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: April 25, 2023
    Assignee: COVIDIEN LP
    Inventors: Gaurav Girdhar, Hoai Nguyen, Andyanhdzung Huynh, Ashok Nageswaran, Christopher Andrews
  • Publication number: 20230065505
    Abstract: A mixed reality (MR) visualization system includes an MR device comprising a holographic display configured to display a holographic image to an operator, a hand-held ultrasound imaging device configured to obtain a real-time ultrasound image of a subject's anatomy, and a computing device communicatively coupled to the MR device and the hand-held ultrasound imaging device. The computing device includes a non-volatile memory and a processor. The computing device is configured to receive the real-time ultrasound image, determine a real-time 3D position and orientation of the hand-held ultrasound imaging device, generate a modified real-time ultrasound image by modifying the real-time ultrasound image to correspond to the real-time 3D position and orientation of the hand-held ultrasound imaging device, and transmit the modified real-time ultrasound image to the MR device for display as the holographic image positioned at a predetermined location relative to the hand-held ultrasound imaging device.
    Type: Application
    Filed: April 13, 2021
    Publication date: March 2, 2023
    Inventors: Jonathan Silva, Christopher Andrews, Jennifer Silva, Zahid Iqbal
  • Patent number: 11324513
    Abstract: Devices, systems, and methods for treating vascular defects are disclosed herein. One aspect of the present technology, for example, includes an occlusive device comprising a mesh having a low-profile state for intravascular delivery to the aneurysm and a deployed state, the mesh comprising a first end portion, a second end portion, and a length extending between the first and second end portions, and a first lateral edge, a second lateral edge, and a width extending between the first and second lateral edges. The mesh may have a predetermined shape in the deployed state in which (a) the mesh is curved along its width, (b) the mesh is curved along its length, and (c) the mesh has an undulating contour across at least a portion of one or both of its length or its width. The mesh is configured to be positioned within the aneurysm in the deployed state such that the mesh extends over the neck of the aneurysm.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: May 10, 2022
    Assignee: COVIDIEN LP
    Inventors: Gregory Hamel, Patrick Quinn, Arturo Rosqueta, Stephen Sosnowski, Christopher Andrews, Hieu Dang, Dinh Nguyen, Robert Pecor, Minh Q. Dinh, Ahramahzd Tatavoosian
  • Publication number: 20220125455
    Abstract: Retrieval of material from vessel lumens can be improved by electrically enhancing attachment of the material to the removal device. The removal device can have a core assembly that includes a hypotube coupled to a first electrical terminal and a pushwire coupled to a second electrical terminal, the pushwire extending through the hypotube lumen. An insulating layer separates the hypotube and the pushwire, and an interventional element is coupled to a distal end of the pushwire. The interventional element can be disposed adjacent to a thrombus. An electrical signal is delivered to the interventional element to promote adhesion of the thrombus to the interventional element. The electrical signal can optionally be a periodic waveform, and the total energy delivered can be between 0.75-24,000 mJ and the peak current delivered via the electrical signal can be between 0.5-5 mA.
    Type: Application
    Filed: January 6, 2022
    Publication date: April 28, 2022
    Inventors: Gaurav Girdhar, Hoai Nguyen, Andy Huynh, Ashok Nageswaran, Christopher Andrews
  • Patent number: 11278291
    Abstract: Devices, systems, and methods for treating vascular defects are disclosed herein. One aspect of the present technology, for example, includes an occlusive device comprising a mesh having a low-profile state for intravascular delivery to the aneurysm and a deployed state, the mesh comprising a first end portion, a second end portion, and a length extending between the first and second end portions, and a first lateral edge, a second lateral edge, and a width extending between the first and second lateral edges. The mesh may have a predetermined shape in the deployed state in which (a) the mesh is curved along its width, (b) the mesh is curved along its length, and (c) the mesh has an undulating contour across at least a portion of one or both of its length or its width. The mesh is configured to be positioned within the aneurysm in the deployed state such that the mesh extends over the neck of the aneurysm.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: March 22, 2022
    Assignee: COVIDIEN LP
    Inventors: Gregory Hamel, Patrick Quinn, Arturo Rosqueta, Stephen Sosnowski, Christopher Andrews, Hieu Dang, Dinh Nguyen, Robert Pecor, Minh Q. Dinh, Ahramahzd Tatavoosian