Pedicle screw for vertebral guide rod
Abstract
Abstract In order rapidly and rigidly to connect a vertebral guide rod (6) and a screw, the head of the screw comprises a first part (2) connected to a threaded section (4) to be implanted in the pedicle of a vertebra and having a recess (25) through which a vertebral guide rod ©& (6) is intended to pass, a second part (3) which can be separated from the first part (2) and has a recess (35) through which the guide rod (6) is intended to be passed, and a pressure screw (5) for separating the first and second parts (2, 3) in order to immobilise the guide rod (6) in the recesses (25, 35). The profiles of the recesses (25, 35) are preferably substantially opposing U-shapes.
Inventors
No inventors recorded.
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.