Patents by Inventor Nelson M. Siu

Nelson M. Siu 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).

  • Publication number: 20240173050
    Abstract: Systems, devices, and/or methods relating to surgical procedures, and more specifically for providing access to an insufflated cavity of a patient and/or positioning surgical systems or devices into the cavity during surgical procedures. Access and insertion devices configured to couple with sealing devices, such as sealable sleeve devices and wound retractor devices. Access and insertion devices configured to provide fluidic sealing about a portion of a surgical device during surgical procedures.
    Type: Application
    Filed: November 21, 2023
    Publication date: May 30, 2024
    Inventors: Mark Reichenbach, Shane Farritor, David Matsuura, Jacob A. Moebius, Nelson M. Siu
  • Publication number: 20240032932
    Abstract: Devices, systems, and methods for treating aneurysms are disclosed herein. According to some embodiments, the present technology includes a treatment system comprising a delivery shaft, a manipulation shaft slidably positioned within the lumen of the delivery shaft, and an occlusive device configured for implantation within the aneurysm. The occlusive device can comprise a plurality of filaments that are secured to one another at a proximal end of the occlusive device by a cured material. The occlusive device can comprise inner and outer layers of braided filaments, wherein the proximal end region of the inner layer has an exposed portion that extends proximally beyond the proximal end region of the outer layer, and wherein the cured material extends into and fills interstices between the braided filaments at the proximal end regions of the inner and outer layers.
    Type: Application
    Filed: July 29, 2022
    Publication date: February 1, 2024
    Inventors: Mehdi Matteo Rashidi, Junwei Li, Belinko K. Matsuura, David G. Matsuura, Nelson M. Siu
  • Publication number: 20240032933
    Abstract: Devices, systems, and methods for treating aneurysms are disclosed herein. According to some embodiments, the present technology includes a treatment system comprising a delivery shaft, a manipulation shaft slidably positioned within the lumen of the delivery shaft, and an occlusive device configured for implantation within the aneurysm. The occlusive device can comprise a plurality of filaments that are secured to one another at a proximal end of the occlusive device by a cured material. The occlusive device can comprise inner and outer layers of braided filaments, wherein the proximal end region of the inner layer has an exposed portion that extends proximally beyond the proximal end region of the outer layer, and wherein the cured material extends into and fills interstices between the braided filaments at the proximal end regions of the inner and outer layers.
    Type: Application
    Filed: July 30, 2022
    Publication date: February 1, 2024
    Inventors: Mehdi Matteo Rashidi, Junwei Li, Belinko K. Matsuura, David G. Matsuura, Nelson M. Siu