Patent ID: 8449574
Filing Date: 2013-05-28
Classification: A61B,A61F,B23C,B23H,B23P,F16F,Y10T

Abstract:
1. A stabilization device for bones or vertebrae, comprising: a substantially cylindrical elastic member having a first end and a second end opposite to the first end, an elastic section extending between the first end and the second end, the elastic section including at least first and second helical coils, the first and second helical coils being arranged coaxially around a coaxial bore, wherein the second helical coil defines a helical recess that opens into the coaxial bore in a radial direction, wherein at least a onion of the first helical coil extends in a portion of the second helical recess, and wherein at respective transition regions between the elastic section and the first and second ends, each of the first and second ends has a portion with an annular cross-section having an outer diameter substantial equal to a corressponding outer diameter of the elastic section at the respective transition region.