US 12,102,324 B2
Vascular anastomotic member comprising shape-memory polymer
Hak-Joon Sung, Seoul (KR); Young Min Shin, Seoul (KR); and Jung Bok Lee, Seoul (KR)
Assigned to TMD LAB CO., LTD., Seoul (KR)
Appl. No. 17/280,442
Filed by TMD LAB CO., LTD., Seoul (KR)
PCT Filed Oct. 2, 2019, PCT No. PCT/KR2019/012945
§ 371(c)(1), (2) Date Mar. 26, 2021,
PCT Pub. No. WO2020/071806, PCT Pub. Date Apr. 9, 2020.
Claims priority of application No. 10-2018-0117631 (KR), filed on Oct. 2, 2018.
Prior Publication US 2022/0000481 A1, Jan. 6, 2022
Int. Cl. A61B 17/11 (2006.01); A61L 31/06 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/11 (2013.01) [A61L 31/06 (2013.01); A61B 2017/00871 (2013.01); A61B 2017/1107 (2013.01); A61B 2017/1135 (2013.01); A61L 2300/42 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A vascular anastomotic member comprising a shape-memory polymer represented by Formula 1 below:

OG Complex Work Unit Chemistry
wherein, in Formula 1, R1, R2 and R3 are each independently hydrogen (H) or a C1 to C6 alkyl group,
m and n are each independently an integer of 1 to 20,
A, B1 and B2 are each independently oxygen (O) or sulfur(S),
x and y represent mol % of a repeat unit,
x+y is 100, and
x is 80 to 95.