Cam based rod connection system and method
OwnerMicheal Ensign, David Hawkesinventors
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Abstract
In one of many possible embodiments, the present exemplary system provides a connection member for coupling to one or more structural rods including a coupler body defining a first recess sized to receive the structural rod, and a cam mechanism positioned adjacent to the first recess, wherein the cam mechanism is configured to selectively vary a size of the first recess to couple the structural rod in the first recess.
Claims24
A coupler for coupling an orthopedic rod, comprising:
- a coupler body defining a first recess sized to receive said orthopedic rod;
- and
- a cam mechanism positioned adjacent to said first recess, wherein said cam mechanism is configured to selectively vary a size of said first recess to couple said orthopedic rod in said first recess.
A coupler for coupling a first orthopedic rod to a second orthopedic rod, comprising:
- a coupler body including a first slot and a second slot, said first slot configured to receive said first orthopedic rod and said second slot being configured to receive said second orthopedic rod;
- and
- a cam mechanism positioned between said first slot and said second slot;
- wherein said cam mechanism is configured to, when rotated, simultaneously reduce a size of said first slot and said second slot to retain said first orthopedic rod and said second orthopedic rod.
An assembly comprising:
- a coupler having a first opening to receive a screw head of a screw, a slot positioned adjacent to said first opening, a recess adjacent to the slot;
- and
- a cam mechanism positioned in the recess and rotatable to urge a spinal rod located in the slot against the screw head.
A coupler for coupling an orthopedic rod, comprising:
- a coupler body defining a first recess sized to receive said orthopedic rod;
- a cam mechanism positioned adjacent to said first recess, wherein said cam mechanism is configured to selectively vary a size of said first recess to couple said orthopedic rod in said first recess;
- and
- a hook member coupled to said coupler body, wherein said hook member is configured to engage a posterior element of a vertebra.
A method for coupling an orthopedic rod to a housing comprising:
- receiving said orthopedic rod in a first slot of said housing;
- and
- rotating a cam mechanism to frictionally engage said rod in said housing.
Dependencies are inferred from the claim text.