A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/02 (2006.01) A61B 17/17 (2006.01) A61B 17/56 (2006.01) A61F 2/44 (2006.01) A61F 2/46 (2006.01) A61F 2/00 (2006.01) A61F 2/28 (2006.01) A61F 2/30 (2006.01)
Patent
CA 2238117
A surgical retractor instrument includes at least two elongate members disposed in side by side relation. Each elongate member has proximal and distal end portions and defines a longitudinal passageway for reception of surgical instrumentation. The distal end portion of each elongated member is configured for insertion at least partially within a space defined between adjacent tissue portions, preferably, adjacent vertebrae. The distal end portion includes at least two retractor arms extending in a general longitudinal direction. Each retractor arm has first and second supporting surfaces for engaging opposed adjacent tissue portions, and defines a dimension between the first and second supporting surfaces sufficient to distract the opposed tissue portions upon insertion thereof.
Castro Salvatore
Mcdonnell Christopher
Howmedica Osteonics Corporation
Mcfadden Fincham
United States Surgical Corporation
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