US 11,986,194 B2
Torque cable
Alex Singleton, Sandy, UT (US)
Assigned to Merit Medical Systems, Inc., South Jordan, UT (US)
Filed by Merit Medical Systems, Inc., South Jordan, UT (US)
Filed on Sep. 17, 2020, as Appl. No. 17/024,297.
Claims priority of provisional application 62/902,134, filed on Sep. 18, 2019.
Prior Publication US 2021/0077133 A1, Mar. 18, 2021
Int. Cl. A61B 17/221 (2006.01); A61B 17/00 (2006.01); A61B 17/22 (2006.01)
CPC A61B 17/221 (2013.01) [A61B 2017/00424 (2013.01); A61B 2017/00867 (2013.01); A61B 2017/22038 (2013.01); A61B 2017/22079 (2013.01); A61B 2217/007 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A torque cable comprising:
an inner layer comprising a plurality of coils that form a braiding pattern, wherein a first set of coils of the inner layer is directed in a proximal direction and a second set of coils of the inner layer is directed in a distal direction; and
an outer layer comprising a plurality of coils that form a braiding pattern, wherein a first set of coils of the outer layer is directed in a proximal direction and a second set of coils of the outer layer is directed in a distal direction,
wherein the inner layer is in direct contact with the outer layer;
wherein the inner layer is configured to directly interact with the outer layer during rotation of the torque cable,
wherein the inner layer and the outer layer are configured to move relative to each other in an axial direction,
wherein a width of the first set of coils of the inner layer is at least twice of a width of the second set of coils of the inner layer,
wherein a width of the second set of coils of the outer layer is at least twice of a width of the first set of coils of the inner layer, and
wherein each of the widths of the first and second coils of the inner layer and the widths of the first and second coils of the outer layer are constant along a length of the torque cable.