David A Narrow

US Patent:

20210219956, Jul 22, 2021

Filed:

Mar 3, 2021

Appl. No.:

17/191347

Inventors:

- Baltimore MD, US
Kaitlyn Harfmann - Baltimore MD, US
Ting Yu Lai - Baltimore MD, US
David Narrow - Baltimore MD, US
Adam Lightman - Baltimore MD, US
Youseph Yazdi - Ellicott City MD, US

International Classification:

A61B 8/00
A61B 8/08
A61B 90/00
A61B 8/14

Abstract:

An ultrasound-detectable marker, ultrasound system, and methods for monitoring vascular flow and patency is disclosed. The ultrasound-detectable marker comprises one or more resorbable polymers, one or more non-resorbable polymers, one or more non-polymeric materials, or any combinations thereof. The ultrasound-detectable marker is adapted for placement underneath, adjacent to, or above one or more vessels at a postoperative site, such as a vascular anastomosis site. Further, the ultrasound imaging system includes certain user guiding software and/or health analysis software for use with the ultrasound-detectable marker.

US Patent:

20200139592, May 7, 2020

Filed:

Nov 4, 2019

Appl. No.:

16/673542

Inventors:

- Baltimore MD, US
David Narrow - Baltimore MD, US

Assignee:

Sonavex, Inc. - Kyoto

International Classification:

B29C 44/02
A61B 90/00
A61B 8/00

Abstract:

An ultrasound-detectable polymeric device that offers superior visibility of the body of the device and decreased ultrasound angle dependence through the use of microcavities and methods of manufacturing thereof is disclosed. These microcavities enable superior ultrasound visualization due to diffuse reflection of sound waves when compared to solid polymeric objects, ensuring that a strong signal is received at the source of the ultrasound transducer and providing strong image contrast throughout the entire cross-section of the implant that is also robust to variable angles of insonation.

US Patent:

20170014102, Jan 19, 2017

Filed:

Jul 13, 2016

Appl. No.:

15/209082

Inventors:

- Baltimore MD, US
David Narrow - Baltimore MD, US

International Classification:

A61B 8/08
B29C 44/02
B29C 45/00
A61B 90/00

Abstract:

An ultrasound-detectable polymeric device that offers superior visibility of the body of the device and decreased ultrasound angle dependence through the use of microcavities and methods of manufacturing thereof is disclosed. These microcavities enable superior ultrasound visualization due to diffuse reflection of sound waves when compared to solid polymeric objects, ensuring that a strong signal is received at the source of the ultrasound transducer and providing strong image contrast throughout the entire cross-section of the implant that is also robust to variable angles of insonation.

US Patent:

20150359605, Dec 17, 2015

Filed:

Jan 21, 2014

Appl. No.:

14/761694

Inventors:

- Baltimore MD, US
KAITLYN HARFMANN - BALTIMORE MD, US
TING YU LAI - BALTIMORE MD, US
DAVID NARROW - BALTIMORE MD, US
ADAM LIGHTMAN - BALTIMORE MD, US
YAZDI YOUSEPH - ELLICOTT CITY MD, US

Assignee:

THE JOHNS HOPKINS UNIVERSITY - BALTIMORE MD

International Classification:

A61B 19/00
A61B 8/14
A61B 8/00
A61B 8/08

Abstract:

An ultrasound-detectable marker, ultrasound system, and methods for monitoring vascular flow and patency are disclosed. The ultrasound-detectable marker comprises one or more resorbable polymers, one or more non-resorbable polymers, one or more non-polymeric materials, or any combinations thereof. The ultrasound-detectable marker is adapted for placement underneath, adjacent to, or above one or more vessels at a postoperative site, such as a vascular anastomosis site. Further, the ultrasound imaging system includes certain user guiding software and/or health analysis software for use with the ultrasound-detectable marker.