Surgical screwdriver
AssigneeMedacta International SA
InventorsLuca PAGANI, Marco RIVA, Meinrad FIECHTER, Francesco SICCARDI
Life of this patent
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Abstract
Various implementations include a surgical screwdriver that comprises a first rotating shaft configured to be rotated about a respective longitudinal axis, a second rotating shaft extending along a respective development axis transverse to the longitudinal axis of the first shaft and having a shaped end tip which can be inserted into the head of a screw, and a transmission member interposed between respective first ends of the shafts to transfer the rotation from the first shaft to the second shaft. The transmission member comprises a homokinetic spherical joint.
Claims12
A surgical screwdriver comprising:
- a first rotating shaft configured to be rotated about a respective longitudinal axis;
- a second rotating shaft extending along a respective development axis and having a shaped end tip which can be inserted into the head of a screw;
- a transmission member having a homokinetic spherical joint interposed between respective first ends of the shafts to transfer the rotation from the first shaft to the second shaft;
- a cylindrical sleeve which is internally hollow to accommodate at least partially said shafts and said homokinetic spherical joint,
- wherein said first shaft has a second end opposite to the first end and projecting out of a first opening of the sleeve,
- said shaped tip of the second shaft projects out of a second opening of the sleeve opposite to the first opening of the sleeve, and
- said first shaft comprises two portions coaxially joined to each other inside the sleeve, said second end of the first shaft being located in one of said portions which is distal from the second shaft.
Dependencies are inferred from the claim text.