Patent ID: 8652157

Claim:
A system for releasing a ligament, the system comprising: a proximal handle; an outer tubular body comprising a proximal end and a plurality of first portions of a cutting structure, the proximal handle coupled to the proximal end of the outer tubular body; and an inner flexible body extending through the outer tubular body and comprising a plurality of second portions of the cutting structure, wherein at least one of the inner flexible body or the outer tubular body is longitudinally displaceable relative to the other to combine the first portions of the cutting structure with the second portions of the cutting structure to form the cutting structure when the cutting structure is in a deployed state, and wherein at least one of the first portions and at least one of the second portions of the cutting structure align with each other to form a tooth or a serration structure of the cutting structure when the first portions and the second portions are combined in the deployed state.