Back to results
US 5,957,836 AGranted
Rotatable retractor
OwnerLanny L. Johnsoninventor
Life of this patent
Estimating the term…
Abstract
A rotatable retractor instrument for expanding a body joint is disclosed. A flattened portion is provided at the distal end of the instrument. With the flattened portion inserted within the joint, rotation of a handle at the instrument's proximal end spreads the joint.
Claims2
A rotatable retractor instrument for expanding a body joint, comprising:
- a rod;
- a handle located at a proximal end of the rod;
- a flattened end portion located at a distal end of the rod, said end portion including a pair of parallel surfaces, spaced from one another by a distance which permits the end portion to be inserted within said joint, and having widths greater than the distance between said surfaces whereby when said handle is rotated with the end portion inserted within the joint, said joint is expanded.
Dependencies are inferred from the claim text.