US 11,701,123 B2
Mechanical detachment system for transcatheter devices
Le Le, San Jose, CA (US); Rose Y. Leo, Livermore, CA (US); Chung Yeh, San Mateo, CA (US); Kasey Kwong, Porland, OR (US); Rochelle Marlangaue, Fremont, CA (US); Todd L. Landsman, Ojai, CA (US); and Michael Barrett, Campbell, CA (US)
Assigned to SHAPE MEMORY MEDICAL, INC., Santa Clara, CA (US)
Filed by SHAPE MEMORY MEDICAL, INC., Santa Clara, CA (US)
Filed on Aug. 20, 2021, as Appl. No. 17/407,271.
Claims priority of provisional application 63/068,533, filed on Aug. 21, 2020.
Prior Publication US 2022/0054140 A1, Feb. 24, 2022
Int. Cl. A61B 17/12 (2006.01); A61B 90/00 (2016.01); A61B 17/00 (2006.01)
CPC A61B 17/12113 (2013.01) [A61B 17/1214 (2013.01); A61B 17/1219 (2013.01); A61B 90/39 (2016.02); A61B 2017/00867 (2013.01); A61B 2017/12054 (2013.01); A61B 2090/3966 (2016.02)] 25 Claims
OG exemplary drawing
 
1. A system comprising:
an implant including a shape memory polymer (SMP) non-releasably coupled to a collar;
a distal actuator wire, a retention wire, a proximal actuator wire, and a shaft that couples the distal actuator wire to the proximal actuator wire;
a coil that includes the distal actuator wire but not the retention wire;
a first conduit: (a) releasably coupled to the collar, and (b) including the distal actuator wire and the retention wire but not the coil;
a second conduit: (a) releasably coupled to the collar, and (b) including the distal actuator wire, the retention wire, and the coil;
wherein:
the collar includes a channel, a first aperture, and a second aperture that is located in a sidewall of the collar;
the distal actuator wire is: (a) included within the channel, and (b) traverses the first aperture but not the second aperture;
the retention wire is: (a) included within the channel, and (b) traverses the first and second apertures.