Patent ID: 6811558
Filing Date: 2004-11-02
Classification: A61B

Abstract:
A system for providing access in a spinal surgical procedure the system comprising:an access device comprising: a first access portion having a first outer surface for engaging the body of a patient and a first inner surface at least partially defining a passage for receiving a plurality of surgical instruments used to perform the procedure; and a second access portion attached to said first access portion and having a second outer surface for engaging the body of a patient and having a second inner surface at least partially defining a passage for receiving the surgical instruments; the access device having a proximal portion adapted to be positioned outside of the patient and a distal portion adapted to be positioned near the spine, the outer surface of the distal portion of the access device being expandable to retract the tissue surrounding the spine to provide a surgical field for the spinal surgical procedure; the proximal portion of the access device having a non-pivoted position and a pivoted position adapted to enhance the visibility and access of the surgical field; and an expander configured to be inserted into the passage and to engage at least one of the first inner surface and the second inner surface to cause opposing portions of the distal portion to be moved to increase access to the surgical location.