Minimally invasive spinal surgical methods and instruments

Details Minimally invasive spinal surgical methods and instruments Minimally invasive spinal surgical methods and instruments

1997-09-29

1999-03-23

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

606 86, A61B 1700

Patent

active

058852913

ABSTRACT:
Minimally invasive spinal surgical techniques and tools are provided. The methods include separating the iliocostalis lumborum muscle from the anterior leaf of the thoracolumbar fascia to create a channel from the patient's skin to the intertransverse interval. In one embodiment, the method also includes delivering graft material through the channel to the intertransverse interval. A device according to one aspect of the present invention includes a retraction portion having a flattened plate configured to atraumatically retract tissue to create a working space within an endosurgical site and a curved shaft attached to the retraction portion. The shaft includes a bend having a radius of preferably 160 degrees. A gripping portion is attached to the shaft and is configured for manually gripping and manipulating the device.

REFERENCES:
patent: 5334194 (1994-08-01), Mikhail
patent: 5374269 (1994-12-01), Rosenberg
patent: 5380331 (1995-01-01), Mikhail
patent: 5624446 (1997-04-01), Harryman, II

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