螺旋弹簧丝圈栓塞术
transcatheter helical coil occlusion
扁截面螺旋弹簧
flat section helical spring
扁圆形棱柱螺旋弹簧
oblate prism spiral spring
变刚度螺旋弹簧
Variable stiffness coil spring
variable stiffness spiral spring
变刚度圆柱螺旋弹簧
Cylinder Helix Spring with Variable Stiffness
不等节距圆柱螺旋弹簧
variable pitch cylindrical helical spring
多股螺旋弹簧
Spiral springs of many radices
Stranded-wire helical spring
Stranded wires helical spring
stranded wire helical spring
stranded wire helical springs
非圆柱螺旋弹簧
non-cylindrical spiral spring
钢螺旋弹簧限位器
steel spiral spring buffers