Patent ID: 8636656

Claim:
A retractor assembly for surgery in a patient, comprising: a support member; a retractor member including a retraction portion defining a first longitudinal axis and extending from said support member between a proximal end and an opposite distal end, said retractor member further including an arm extending along a second axis transverse to the first longitudinal axis from said retraction portion toward said support member; and a housing assembly engaged to said support member and to said arm of said retractor member, said housing assembly including: a drive mechanism for pivoting said retractor member relative to said support member, said drive mechanism including a rotary member engaged to said arm of said retractor member and a drive member engaged to said rotary member, wherein rotation of said drive member against said rotary member rotates said rotary member about a path defined by a connection of said rotary member to said housing assembly which in turn rotates the arm about the second axis and pivots said distal end of said retraction portion relative to said support member.