Patents by Inventor Ponaka Pung

Ponaka Pung 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: 11931277
    Abstract: Implant engagement mechanisms are disclosed for maintaining engagement with a stent until it has been fully deployed and expanded from a catheter or sheath. The apparatus, method and system involving these engagement mechanisms allow a physician to withdraw or retract a sheath prior to full deployment, thereby allowing for redeployment of the stent at a more desirable position.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: March 19, 2024
    Assignee: MicroVention, Inc.
    Inventors: Ponaka Pung, Tai D. Tieu, Ross Soltanian, Helen Nguyen, Oanh Nguyen, Britney Ngo
  • Publication number: 20230310185
    Abstract: A stent with varying porosity is described. The stent can be comprised of multiple stents attached together. A braided stent may have selected regions of increased thickness. The stent may be comprised of wires that are welded together at their ends in order to minimize vessel trauma. The stent may comprise a helically wound radiopaque wire wound through the stent.
    Type: Application
    Filed: June 5, 2023
    Publication date: October 5, 2023
    Applicant: MicroVention, Inc.
    Inventors: Ponaka Pung, Helen Nguyen, Tai D. Tieu
  • Patent number: 11696843
    Abstract: A stent with varying porosity is described. The stent can be comprised of multiple stents attached together. A braided stent may have selected regions of increased thickness. The stent may be comprised of wires that are welded together at their ends in order to minimize vessel trauma. The stent may comprise a helically wound radiopaque wire wound through the stent.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: July 11, 2023
    Assignee: MicroVention, Inc.
    Inventors: Ponaka Pung, Helen Nguyen, Tai D. Tieu
  • Publication number: 20230132550
    Abstract: In one embodiment according to the present invention, a stent is described having a generally cylindrical body formed from a single woven nitinol wire. The distal and proximal ends of the stent include a plurality of loops, some of which include marker members used for visualizing the position of the stent. In another embodiment, the previously described stent includes an inner flow diverting layer.
    Type: Application
    Filed: December 21, 2022
    Publication date: May 4, 2023
    Applicant: Terumo Corporation
    Inventors: Shirley Vong, Priscilla Tsai, Cang Lam, Ross Soltanian, Greg Bak-Boychuk, Tai D. Tieu, Ponaka Pung, Arnold Tuason, Heather Griffith
  • Publication number: 20230100280
    Abstract: A stent with a common connection interface, and a method and platform used to create a stent with a common connection interface is described. A common connection interface used to connect a stent to a pusher is described.
    Type: Application
    Filed: December 6, 2022
    Publication date: March 30, 2023
    Applicant: MicroVention, Inc.
    Inventor: Ponaka Pung
  • Patent number: 11564819
    Abstract: In one embodiment according to the present invention, a stent is described having a generally cylindrical body formed from a single woven nitinol wire. The distal and proximal ends of the stent include a plurality of loops, some of which include marker members used for visualizing the position of the stent. In another embodiment, the previously described stent includes an inner flow diverting layer.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: January 31, 2023
    Assignee: Terumo Corporation
    Inventors: Shirley Vong, Priscilla Tsai, Cang Lam, Ross Soltanian, Greg Bak-Boychuk, Tai D. Tieu, Ponaka Pung, Arnold Tuason, Heather Griffith
  • Patent number: 11540932
    Abstract: A stent with a common connection interface, and a method and platform used to create a stent with a common connection interface is described. A common connection interface used to connect a stent to a pusher is described.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: January 3, 2023
    Assignee: MicroVention, Inc.
    Inventor: Ponaka Pung
  • Patent number: 11351046
    Abstract: In one embodiment according to the present invention, a stent is described having a generally cylindrical body formed from a single woven nitinol wire. The distal and proximal ends of the stent include a plurality of loops, some of which include marker members used for visualizing the position of the stent. In another embodiment, the previously described stent includes an inner flow diverting layer.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: June 7, 2022
    Assignee: Terumo Corporation
    Inventors: Tai D. Tieu, Gregory M. Cruise, Heather Griffith, Helen Nguyen, Minh Nguyen, Ponaka Pung, Shirley Vong
  • Patent number: 11291566
    Abstract: In one embodiment according to the present invention, a stent is described having a generally cylindrical body formed from a single woven nitinol wire. The distal and proximal ends of the stent include a plurality of loops, some of which include marker members used for visualizing the position of the stent. In another embodiment, the previously described stent includes an inner flow diverting layer.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: April 5, 2022
    Assignee: Terumo Corporation
    Inventors: Tai D. Tieu, Gregory M. Cruise, Heather Griffith, Helen Nguyen, Minh Nguyen, Ponaka Pung, Shirley Vong
  • Publication number: 20210346181
    Abstract: In one embodiment according to the present invention, a stent is described having a generally cylindrical body formed from a single woven nitinol wire. The distal and proximal ends of the stent include a plurality of loops, some of which include marker members used for visualizing the position of the stent. In another embodiment, the previously described stent includes an inner flow diverting layer.
    Type: Application
    Filed: July 19, 2021
    Publication date: November 11, 2021
    Applicant: Terumo Corporation
    Inventors: Tai D. Tieu, Gregory M. Cruise, Heather Griffith, Helen Nguyen, Minh Nguyen, Ponaka Pung, Shirley Vong
  • Publication number: 20210244552
    Abstract: In one embodiment according to the present invention, a stent is described having a generally cylindrical body formed from a single woven nitinol wire. The distal and proximal ends of the stent include a plurality of loops, some of which include marker members used for visualizing the position of the stent. In another embodiment, the previously described stent includes an inner flow diverting layer.
    Type: Application
    Filed: April 29, 2021
    Publication date: August 12, 2021
    Applicant: Terumo Corporation
    Inventors: Tai D. Tieu, Gregory M. Cruise, Heather Griffith, Helen Nguyen, Minh Nguyen, Ponaka Pung, Shirley Vong
  • Publication number: 20210228214
    Abstract: An occlusive device, occlusive device delivery system, method of using, and method of delivering an occlusive device, and method of making an occlusive device to treat various intravascular conditions is described.
    Type: Application
    Filed: February 18, 2021
    Publication date: July 29, 2021
    Applicant: MicroVention, Inc.
    Inventors: Heath Bowman, Jared Shimizu, Ivan Sepetka, Cathy Lei, Jessica Liang, Ponaka Pung, Matthew J. Fitz
  • Publication number: 20210220158
    Abstract: Implant engagement mechanisms are disclosed for maintaining engagement with a stent until it has been fully deployed and expanded from a catheter or sheath. The apparatus, method and system involving these engagement mechanisms allow a physician to withdraw or retract a sheath prior to full deployment, thereby allowing for redeployment of the stent at a more desirable position.
    Type: Application
    Filed: April 2, 2021
    Publication date: July 22, 2021
    Applicant: MicroVention, Inc.
    Inventors: Ponaka Pung, Tai D. Tieu, Ross Soltanian, Helen Nguyen, Oanh Nguyen, Britney Ngo
  • Patent number: 11000394
    Abstract: Implant engagement mechanisms are disclosed for maintaining engagement with a stent until it has been fully deployed and expanded from a catheter or sheath. The apparatus, method and system involving these engagement mechanisms allow a physician to withdraw or retract a sheath prior to full deployment, thereby allowing for redeployment of the stent at a more desirable position.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: May 11, 2021
    Assignee: MicroVention, Inc.
    Inventors: Ponaka Pung, Tai D. Tieu, Ross Soltanian, Helen Nguyen, Oanh Nguyen, Britney Ngo
  • Patent number: 10980545
    Abstract: An occlusive device, occlusive device delivery system, method of using, and method of delivering an occlusive device, and method of making an occlusive device to treat various intravascular conditions is described.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: April 20, 2021
    Assignee: MicroVention, Inc.
    Inventors: Heath Bowman, Jared Shimizu, Ivan Sepetka, Cathy Lei, Jessica Liang, Ponaka Pung, Matthew J. Fitz
  • Publication number: 20210030570
    Abstract: A stent with varying porosity is described. The stent can be comprised of multiple stents attached together. A braided stent may have selected regions of increased thickness. The stent may be comprised of wires that are welded together at their ends in order to minimize vessel trauma. The stent may comprise a helically wound radiopaque wire wound through the stent.
    Type: Application
    Filed: September 15, 2020
    Publication date: February 4, 2021
    Applicant: MicroVention, Inc.
    Inventors: Ponaka Pung, Helen Nguyen, Tai D. Tieu
  • Publication number: 20200368049
    Abstract: In one embodiment according to the present invention, a stent is described having a generally cylindrical body formed from a single woven nitinol wire. The distal and proximal ends of the stent include a plurality of loops, some of which include marker members used for visualizing the position of the stent. In another embodiment, the previously described stent includes an inner flow diverting layer.
    Type: Application
    Filed: August 7, 2020
    Publication date: November 26, 2020
    Applicant: Terumo Corporation
    Inventors: Shirley Vong, Priscilla Tsai, Cang Lam, Ross Soltanian, Greg Bak-Boychuk, Tai D. Tieu, Ponaka Pung, Arnold Tuason, Heather Griffith
  • Publication number: 20200330249
    Abstract: A stent with a common connection interface, and a method and platform used to create a stent with a common connection interface is described. A common connection interface used to connect a stent to a pusher is described.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Applicant: MicroVention, Inc.
    Inventor: Ponaka Pung
  • Patent number: 10806610
    Abstract: A stent with varying porosity is described. The stent can be comprised of multiple stents attached together. A braided stent may have selected regions of increased thickness. The stent may be comprised of wires that are welded together at their ends in order to minimize vessel trauma. The stent may comprise a helically wound radiopaque wire wound through the stent.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: October 20, 2020
    Assignee: MicroVention, Inc.
    Inventors: Ponaka Pung, Helen Nguyen, Tai D. Tieu
  • Publication number: 20200315828
    Abstract: Disclosed is a method, apparatus, and kit for assisting the expansion of a self-expanding stent, especially within highly curved or tortuous blood vessels. An elongated pusher having an expandable distal mesh portion can be positioned within a self-expanding stent, expanding during delivery to provide extra expansion force to the stent to ensure the stent properly expands.
    Type: Application
    Filed: June 24, 2020
    Publication date: October 8, 2020
    Applicant: MicroVention, Inc.
    Inventors: Ponaka Pung, Helen Nguyen